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Decorative composite body (1) comprises glass body (2) and polymer (3) to cover partially said glass body (2). Portion of glass body surface is located on outer surface of decorative composite body (1). Note here that at least two adjacent areas (8) of glass and polymer material (3) on composite body (1) outer side are ground in as-boded state. Glass body (2) areas verging on polymer material (3) are provided, at least partially, with mirror coat. |
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Survival bracelet contains an inflatable elastic flotation chamber, folded and space-efficiently laid into the pocket along the bracelet perimeter, a system for filling the chamber with gas, for example, in the form of a cartridge with compressed air, and a device for triggering the filling system equipped with a lanyard. The flotation chamber is designed so that to be able to become filled with gas, expand outside the pocket and unfold so that to form a ring-shaped flotation chamber. The survival bracelet is designed in the form of an elastic strap and is equipped with a clip fastener for attachment to swimming trunks. |
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Invention relates to technology of production of synthetic diamond material, which can be applied in electronic devices. Diamond material contains single substituting nitrogen ( N s 0 ) in concentration more than 0.5 ppm and having such complete integral absorption in visible area from 350 nm to 750 nm, that at least nearly 35% of absorption is attributed to N s 0 . Diamond material is obtained by chemical deposition from vapour or gas phase (CVD) on substrate in synthesis medium, which contains nitrogen in atomic concentration from nearly 0.4 ppm to nearly 50 ppm, and gas-source contains: atomic part of hydrogen, Hf from nearly 0.40 to nearly 0.75, atom part of carbon, Cf, from nearly 0.15 to nearly 0.30; atomic part of oxygen, Of, from nearly -.13 to nearly 0.40; and Hf+Cf+Of=1; ratio of atomic part of carbon to atomic part of oxygen, Cf:Of, satisfy the ratio nearly 0.45:1<Cf:Of< nearly 1.25:1; and gas-source contains atoms of hydrogen, added in form of hydrogen molecules, H2, with atomic part of the total quantity of present atoms of hydrogen, oxygen and carbon between 0.05 and 0.40; and atomic parts of Hf, Cf and Of represent parts from the total quantity of atoms of hydrogen, oxygen and carbon, present in gas-source. |
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Method of attaching button to material of article To implement the method, the first 4 and second 6 elements of the attachment device which is preferably made of plastic are manufactured preliminary in the shop-floor conditions. The first element is made in the form of a tubular rivet, the outer side of rod of which is made of square or rectangular cross-section, on which faces the saw-tooth notches 9 are preliminary formed. The second element 6 of the attachment device is made in the form of a washer with a rectangular opening, on the inner broad walls of which the saw-tooth notches 9 are preliminary formed. Then also in the shop-floor conditions prior to placement of the buttons on the article a leg 3 is formed in openings 2 or lugs 1 of the button preferably from threads, the leg is inserted and secured in the opening of the first element 4 of the attachment device. Then in the sewing room the rod of the first element 4 of the attachment device is inserted, passing it through the material of the article 5, to the second element 6 of the attachment device and the tight contact is provided with latching at least on two sides with the notches 9 of the first and second elements of the attachment device. |
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Repair of zipper lock and device to this end Invention relates to small ware, particularly, to repair of zippers. Proposed method can be used to eliminate faults of zippers caused by working loads. Impact load symmetrically distributed relative to zipper baffle plane is applied to zipper case front plate laid by rear plate downward on hard base. Impact load is created by wooden hammer and applied to zipper via the device composed by rectangular section bar with one end rounded and opposite end shaped to right wedge truncated parallel about bar end. Note here that groove is made perpendicular to its mirror plate to divide wedge truncation plane into two equal rectangular part. This device is made of hard timber 120-180 mm in length at bar cross-section of (18-25 mm)×(18-25 mm). Wedge truncation plane width makes 7-9 mm. Said groove features U-like or rectangular section, slot height making 6-8 mm and width making 5-6 mm. Butts of groove plates and wedge truncation plate rectangular parts are rounded to radius of 0.5 mm. This invention allows its use in household conditions. |
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Invention relates to an underwater dry diving suit. The diving suit has a waterproof zipper device (30) that, zipping and unzipping, forms an opening part (22) that exposes/covers the body and is designed as stretching from one shoulder part to the other one from the shoulder parts in the upper arm parts across part of the dry diving suit main part (20) chest in the chest breadth direction. The device (30) is designed in the form of a horizontal line in the chest direction with a double structure in place with the first waterproof zipper (40) and a second zipper (50) positioned over the first waterproof zipper in the vertical direction. The underwater diving suit has reinforcement material including a part locking the aperture angle that is attached to the rear textile along the both tapes of the first waterproof zipper along the outer peripheries of the both tapes on the rear part of the first waterproof zipper, locking the angle of aperture between the two tapes that are subject to aperture by means of the first waterproof zipper puller when the puller moves and stops in the lower end position representing the widest aperture position of the first waterproof zipper. |
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Clasp and safety belt assy for car chair for kids Invention reveal safety belt clasp (B'). Seat (S') comprises inguinal strap (P') arranged in location area aligned with fastening area arranged between said clasp and seat (S') so that inguinal strap (P') located between clasp (B') and kid in seat (S') and retained threat by clasp (B'). Note here that said strap (P') and clasp (B') are located between kid legs (L). Clasp (B') comprises main part (11) with surface (12) that faces said strap (P'). Said main part (11) comprises fastener (13) to secure clasp (B') to strap (P') of seat (S'). Besides invention reveals safety belt assy with abode described clasp (B') and seat (S') for kids with said safety belt assy. |
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Alloy contains the following, wt %: palladium 10.0-15.0; platinum 10.0-15.0; ruthenium or rhodium or iridium 70.0-80.0. |
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Invention relates to production of jewelry. In the necklace comprising at least two coins (1), each with at least one opening (2), between the opening (2) and the edge (3) of at least one coin (1) a cut (4) is made with the possibility of connection of the coins (1). The coins can be connected in a chain. |
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Device for attaching button and method of its attachment Invention relates to a device for attaching button, comprising a continuous part (10) and a receiving part (20), at that the continuous part (10) is made substantially U-shaped and has a transverse base with two parallel feet, each of which has a pointed end, and a protruding fixing element located near it for engagement with the receiving part (20). The receiving part (20) is made substantially U-shaped and has at least one transverse base and the engagement receiving means located at a distance from it for engagement with the continuous part (10). At least one of the parts (10, 20) is provided with a gripping element (19, 29) which can be separated from it along the line (17, 27) of rupture. The invention also relates to a method of attaching the buttons. |
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Device for attachment of band to wristwatch Device for attachment of a band to the wristwatch contains of an outer and an inner parts interconnected from one end by means of the part enclosing the axle positioned on the watch body and from the other - with the band attachment part. The inner part contains a part enclosing the axle positioned on the watch body and engaging with such that is positioned parallel to the outer part and separated from the band attachment part with a notch the length and width whereof are respectively no more and no less than those of the axle positioned on the watch body. The band attachment part on the inner side contains an arrester limiting the width of the above notch. The notch and the arrester are parallel and positioned at an angle to the part enclosing the axle positioned on the watch body. The width of the outer and the inner parts respectively reduces from that of the part enclosing the axle positioned on the watch body to that of the band attachment part. |
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Jewellery article gem fastener Invention is intended for usage in jewellery industry. The fastener for any facet pattern in a jewellery article contains a ring the shape whereof matches the lower part of the gem to be inserted, the ring connected to the jewellery article base at two spots and a prong. The prong connected to the jewellery article base at one spot in the upper part and is designed so that to enable spot fixation of the gem in the ring after thrust onto its upper part. |
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Buckle for belt length adjustment Buckle for belt length adjustment contains a flat detail with a tail piece and at least one belt gap and a frame. The flat detail is designed in the form of clip the tail piece whereof is confined within the frame designed in the form of a bracket with a roller mounted thereon. The tail piece surface turned towards the belt is equipped with cogged projections and a crosswise groove. The tail piece is positioned at an angle to the gap surface; on the clip surface there are projections and props positioned, interacting with each other; the clip is made of a polymer material. For the belt tightening and release a force is applied to the belt free end at different angles. |
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Method for making fancifully coloured orange monocrystalline cvd-diamond, and finished product Monocrystalline diamond material that has been grown using a CVD method and has concentration of single substituent nitrogen [Ns 0] of less than 5 ppm is irradiated to introduce isolated vacancies V to at least some part of the provided CVD-diamond material so that total concentration of isolated vacancies [VT] in the obtained diamond material is at least more than (a) 0.5 ppm and (b) by 50% more than concentration [Ns 0] in ppm in the provided diamond material; after that, annealing of the obtained diamond material is performed so that chains of vacancies can be formed from at least some of the introduced isolated vacancies at the temperature of at least 700°C and maximum 900°C during the period of at least 2 hours; with that, irradiation and annealing stages reduce the concentration of isolated vacancies in diamond material, due to which concentration of isolated vacancies in the irradiated and annealed diamond material is <0.3 ppm. |
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Weather-resistant sliding fastener Proposed in the invention is a weather-resistant sliding fastener containing a modified puller equipped with an upper adjustment rib and having finely adjusted inner dimensions. According to the invention, a moisture-proof coating and/or glue are applied onto the zipper lace. Additionally proposed in the invention is a puller that may take in longitudinal edge sections of the outer material layer enabling such material edges coming within immediate proximity/contact with each other, essentially closing the zipper teeth. Additionally, the invention relates to methods for manufacture and installation of the weather-resistant sliding fastener. |
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Zipper fastener resistant to jamming Intended for usage as means for fastening jackets and other outer garments. The zipper fastener puller contains an upper plate conjugated with the puller cover, a lower plate and an element for the plates conjugation. The connective section is positioned between the upper plate and the lower plate; the length of the puller cover is equal to or in excess of 150% of the said connective section length. The invention implementation versions envisage zipper pullers that, having at least one property such as an elongated spring-loaded cover, a projection on the lower plate and/or the puller plates conjugation element and/or vertically displaced side guides. |
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Invention relates to jewelry industry. The necklace comprises at least one coin (1) with a hole (2) and a wire holder (3). The wire holder (3) is bent at least to form one open contour in the form of a circumference or an oval, or a square, or a triangle with at least one hook (4) for suspension of at least one coin (1). |
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Method to manufacture decorative composite material Method is proposed to produce a decorative composite material, which may be used to manufacture decorative inserts, parts of writing accessories, buttons, souvenirs, bijouterie. The method includes preparation and pressing under pressure during heating to temperature of 140-160°C without access of air of a mixture of amber particles with jet particles, its cooling. Amber particles are mixed with jet with size of 0.1-3 mm of amber at the mass ratio of 50:50. |
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Invention relates to personal identification means and may be used for identification of severely wounded soldiers and remains of dead servicemen. The personal insignia contains the top and the bottom parts (both made of a chemically and thermally stable material) that are connected to each other with the help of an easily releasable lock. Two through holes are made in the top part with a cord consisting of a cable passed through them; in the bottom part at least one through hole is made intended for the bottom part filing in the serviceman's personal record. The serviceman's personal identification number is applied onto each of the two parts. The insignia top part contains (inside) a metal plate made of a heat- and corrosion-resistant steel isolated from the ambient environment; the serviceman's personal identification number id indicated on the plate that has two through holes, their axes coinciding with those of the through holes in the insignia top part. The insignia bottom part contains a microchip whereon information featuring the serviceman's personal details is recorded. |
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Fastening device with resilient tape and item containing such device Disclosed is a fastening device locking resilient tape including multiple engagement sections positioned in the longitudinal direction so that to enable unlocking. The fastening device includes a fastener holder and a pair of sliding fasteners mounted on the fastener holder so that to enable sliding. The fastener holder includes a pair of stop pins spaced relative each other and a pair of guide surfaces. The pair of resilient tapes is accordingly suspended on the stop pins. The guide surfaces are slanted in opposite directions relative to the plane passing through the stop pins pair. The sliding pin has a ratchet-wheel projection designed so that to enable engagement with the resilient tape engagement section as well as a sliding surface designed so that to enable surface junction with the fastener holder guide surface. The sliding fastener may move between the unlocked position (wherein the engagement section pushes the ratchet-wheel projection in the first direction to ensure the resilient tape movement between the ratchet-wheel projection and the spot pin) and the locked position (wherein the engagement section pushes the ratchet-wheel projection in the second direction (opposite to the first one) so that the ratchet-wheel projection presses the resilient tape to the stop pin. |
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Method for faceting diamonds with culet Invention is designed for being used in jewellery industry. The method for faceting diamonds with a culet involves faceting of a round-shaped diamond faceted so that to form a culet. Within the culet, one grinds out and polishes arc-shaped grooves from opposite edges of the diamond bottom facets. The arc-shaped grooves have a section angle equal to 41°. |
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Method for faceting diamonds with culet Invention is designed for being used in jewellery industry. The method for faceting diamonds with a culet involves faceting of a round-shaped diamond faceted so that to form a culet; within the culet, one grinds out and polishes an internal pyramid with a polygon-shaped base the sides whereof are parallel to those of the culet polygon. The pyramid is ground out and polished at the angle between opposite sides equal to 98.5°. |
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Method of faceting diamonds with culet Invention is intended for use in production of jewelry. Proposed method comprises faceting round diamond to form a culet. Inner taper with solid angle of 98.5° is ground and polished in said culet. |
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Invention relates to prayer attribute objects and may be used as a physiotherapeutic device for recovery of inadequate functions of the human organism by way of affecting biologically active spots of fingers. The rosary contains beads, a flexible cord whereon the beads are threaded, the cord ends connected to each other and to an object representing a symbol of Christianity. The flexible cord is made of multiple flexible current conductive wires; salts of metals representing microelements indispensable for the human organism are applied on the beads inner and outer surfaces. Additionally included in the rosary are magnet beads made of a solid magnetic material, magnetised in a cross-direction and arranged on the flexible cord. Positioned between two closest magnetic beads are non-magnetic beads (from one to three). |
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Invention relates to the design of a zipper that may find application in manufacture of work clothes, work footwear and fancy goods. The zipper contains shaped elastic connective bands positioned along the textile webs edges with a relief in the form of alternating spikes and grooves applied onto the whole bands length. The movable lock is S-shaped and contains clamping elements and a divisor element (displaced to the rear), joined by the bonding elements. |
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Invention relates to bijouterie manufacture. In the necklace containing at least two coins and a fixture element at least slot is made in the edge of at least one coin so that to enable installation of another coin therein. The necklace may be used as a pendant or brooch. |
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Safety belt with sound isolation Invention relates to automotive industry. Safety belt lock has case to accommodate locking-unlocking mechanism and lock latch interacting with the latter. Lock case is made from plastic material and has isolation matter 12 of thermoplastic polyurethane. Isolation matter 12 acts as a sound isolation and is applied on lock case inner side 10, 13. |
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Method of production of jewelry with inserted elements Invention relates to technology of production of jewelry, other decorations with inserted elements and can be used in the manufacture of rings, wedding rings, earrings. The method of production of jewelry lies in the fact that the inserted element is superimposed on the base of jewelry with closed generator of its inner surface, and it is fixed on the base. The inner surface of the base is made with a conical or pyramidal tilt and fixing side shoulders on its outer surface. The inserted element is made with the corresponding fixing projections on its inner surface, and the inserted element based on it is secured by broadening the necked part of its inner surface on the conical or pyramidal cross-beam of the device for stretching, for example by type of "Pinocchio". |
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Method of diamond heat treatment Invention relates to processes used in operation at high pressure and modifying substances physically. Proposed method comprises placing diamond in reaction cell in pressure transmitting medium, increasing pressure in reaction chamber and it cooling. Note here that thermal treatment is carried out at temperature increase rate of 10-50°C/s and at 2000-2350°C by passing electric current via heater in cell from programmed power supply source with due allowance for temperature relaxation in said cell in heating. For this, note also that temperature relaxation constant is defined. Said cell is cooled after heating by switching off power supply in forming short diamond heating pulse in temperature range of over 2000°C with diamond total stay time smaller than 30 seconds. Allowance for temperature relaxation in said cell in heating for heating rate Vt and pre-definition of cell temperature relaxation constant τ is made by setting in said programmable power source the maximum temperature of heating to τVT above maximum treatment temperature of 2000-2350°C. |
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Invention relates to the jewelry industry. The jewelry comprises a chase made in the form of a rectangular frame, in which wall there are openings for mounting the coiled needle carrying the decorative element. |
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Composition for making decorative and art articles Invention relates to compositions for making decorative and art articles, e.g., imitation jewellery and souvenirs. The composition for making decorative and art articles contains the following, wt %: amber particles 30-50, 1-7 mm particles of expanded pearlite and/or expanded vermiculite and/or expanded schungite 50-70. |
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Method of decorative modification includes production of metal blank, refinement of its surface by cleaning and polishing, cold plastic deformation of the front and/or back surfaces by stamping on them of volume dull decor and adjacent to it flat mirror decor contrasting by class of texture and tone. The stamping of decors is performed on the locally placed site or sites of the surface. Along with stamping the decors on the outer edges of the local sites, stamping carry of projection or projections is carried out. From the side of lateral edge of the projection, opposite the edge of the projection adjacent to the local sites of decor made by plastic deformation on the surface or in the locally placed sites of the surface of the blank a mosaic decor is made. Before installation of the mosaic decor the sites of surface with volume and flat decors contrasting by class of texture and tone are masked. The product contains on its front and/or back surfaces the volume dull and flat mirror decors which at the local site or sites of the surfaces have projection along the outer contour. From the side of lateral faces of projection opposite its faces adjacent to local sites of volume and flat decors, on the surface or at the locally placed sites of the surface of the blank the mosaic decor is located. |
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Clasp of watch bracelet, watch bracelet with clasp and watch with bracelet with clasp Clasp of bracelet of watch comprises articulated at least two wings of bracelet and a means of mutual fixation/disconnection of the bracelet of the bracelet wings at their mutual connection/disconnection. Means of mutual fixation/disconnection of the bracelet wings at their mutual connection/disconnection is made in the form of a lock containing a hook on one of the bracelet wings and a latch on the other of the bracelet wings made with the ability to engage the hook and a latch when connecting of the bracelet wings, their mutual fixation in the connected position and declutching of the latch and the hook when disconnection of the bracelet wings. Means of declutching of the latch and the hook when disconnection the bracelet wings is made in the form of a cam mechanism with the ability to declutching the hook and the latch when rotating the cam located in close proximity to the hook and the clasp. The means of declutching the latch and the hook when disconnection the bracelet wings can be made in the form of a rotary element in the form of a disc, square, rhomb, lever or push button. The bracelet comprises the above-mentioned clasp. The watch contain the said bracelet. |
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Inside a diamond, in the region free from optically impermeable irregularities, an image is formed, which consists of a given number of optically permeable elements of micrometre or submicrometer size, which are clusters of N-V centres which fluoresce in exciting radiation, wherein formation of clusters of N-V centres is carried out by performing the following operations: treating the diamond with working optical radiation focused in the focal region lying in the region of the assumed region where the cluster of N-V centres is located, while feeding working ultrashort radiation pulses which enable to form a cluster of vacancies in said focal region and which provide integral fluence in said focal region lower than threshold fluence, where there is local conversion of the diamond to graphite or another non-diamond form of carbon; annealing at least said assumed regions where clusters of N-V centres are located, which provide in said regions drift of the formed vacancies and formation of N-V centres, grouped into clusters in the same regions as the clusters of vacancies; controlling the formed image elements based on detection of fluorescence of N-V centres by exposing at least regions where image elements are located to exciting optical radiation, which enables to excite N-V centres and form a digital and/or a three-dimensional model of the formed image. Images formed in diamond crystals from clusters of N-V centres are visible to the naked eye, by a magnifying glass and any optical or electronic microscope. |
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Detachable mounting unit (versions) and method of its production (versions) Invention relates to connection of elements of elongated element with another element at an angle. Detachable mounting unit containing a belt tape and a clip, according to one version, is a belt tape bent at least twice as close to its end. Curved portions of the tape - the tape itself and the beard - are attached to each other in the fold forming a tip with the possibility of threading it through the opening of the used product and fixing of the beard in the opening. The total thickness of the tip and the beard is greater than the size of the opening. According to the second version it is a belt tape, folded and attached together from separate parts - the tape itself and the beard that form a tip with the possibility of threading it through the opening of the used product and fixation of the beard in the opening. The total thickness of the tip and the beard is greater than the size of the opening. |
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Belt fastener contains two mutually locking parts in the form of a fastener and connected with a belt of the buckle; the fastening is made with a through inner hole for the belt, with the arcuate side ledges and a gap between the arcuate side ledges with the size equal to or greater than two thicknesses of the belt, but less than the width of the belt, and the buckle is made with a transverse width of greater width of the through inner hole for the belt in the fastening. Thereat the fastener is adapted to attach to a belt, purse, briefcase, box, tool container, a means of carrying or transporting goods or to other product requiring a temporary connection, and the fastening and the buckle contain means of mutual fixation at their closure, for example made in the form of located on the buckle the T-shaped protrusion and the T-shaped hole in the fastener, magnets, "Velcro", clips, latches or other means of mutual fixation similar by performed functions. |
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Method of diamond color faceting Invention is intended for used in production of jewelry. Proposed method consists in that the angle between opposite faces is made equal to 77°. Note here that faceting features the following parameters: diamond diameter D, total height H=0.76 D, site size d=0.67 D, girdle thickness r=0.08 D, height of top with girdle h1=0.11 D, height of bottom to girdle h2=0.65 D, height of bottom face twist h3=0.42 D, top inclination to girdle plane 10°, bottom inclination to girdle plane: ahead of twist 51.5°, behind twist 55°. |
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Invention relates to coins and can be used in cash circulation. The coin contains elements of joining with another coin, through which through holes pass. Each element of joining consists of two mating elements made of metals with different electrochemical potentials, where each mating element of coin is placed with the possibility of direct contact with mating elements of the other joined coin. |
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Method of manufacture of insertions to jewelry (versions) Declared solution relates to decorative art and can be used to make decorative items. Method of producing insertions for jewelry includes the formation of a ceramic slurry of the inserting blank in the form of artificial stone, curing the blank and drying with firing and application on its front surface of the decorative element. On the mould mass a reprint is made of the set image relief, on the solidified mass with the reprint set a doubling ring is placed, which defines the shape and size of the insertion blank, the resulting reprint of relief image is poured with a layer of dental ceramic slip of fixed thickness. After its solidification and removal of the mass, curing of the insertion blank with a decorative element is carried out with drying and firing, then after cooling the blank the resulting relief image of the decorative element is covered with a layer of a liquid mixture of powder of transparent pigmented enamel ceramics with water, and the layer of enamel coating is cured with final drying and firing. In another version of the workpiece the inserting blank of a given configuration and size is formed from the dental ceramic slurry. During the time of workpiece material remain in a plastic state on its front surface the decorative element is applied in the form of bar-image and curing of the inserting blank is made with drying and firing. Then, after cooling of the blank the resulting bar-image of decorative element is covered with a layer of a liquid mixture of powder of transparent pigmented enamel ceramics with water, filling grooves in bar-image, and the layer of enamel covering is cured with the final drying and firing. |
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Invention relates to production of fashion jewelry. In the necklace which contains at least one coin with a through hole, a lace, the coin is rolled into a cone to form a non-through channel. The necklace can be used as a necklace, a pendant, earrings. |
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Invention relates to production of fashion jewelry. In the necklace, which contains at least two coins, a lace, the coins, at least one of which has bends in the form of corrugations, are connected with their planes to form end-to-end channels between them. |
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Control over electromagnetic properties of coins using application of multiplayer coats Invention is indeed for use as material for coinage. Metal coin with composite structure that has controlled electromagnetic signature includes central layer and at least two other layers electrically cladded over central layer. At least one layer is made from nonmagnetic material or alloy and at least one layer is made from magnetic material or alloy. This invention eliminates the problem related with that the coins of similar sizes and made from one alloy may not be distinguished by coin machines. |
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Watch bracelet contains two bands, each of which is designed to mount with one of its ends to the body of a watch, a fastener attached to the bands on the other ends and capable to hold an open position and closed position. In addition, the bracelet has a magnifying glass. The said fastener includes a housing and at least two arms pivotally connected to each other in the bend. These arms are pivotally connected to the housing of the fastener with its one end and with one band with the other end. A magnifying glass is fixed in the housing of the fastener. A watch is supplied with the specified bracelet. |
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Alloy for mintage contains wt %: copper 53.3-56.7, zinc 40.0-43.0, nickel 0.1-0.15, tin 0.1-0.15, lead 3.0-3.5. |
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Procedure for production of diamonds of fantasy yellow and black colour Procedure consists in ion-energy-beam processing diamonds with high power ion beam of inert chemical element of helium with dose of radiation within range from 0.2×1016 to 2.0×1017 ion/cm2 eliminating successive thermal annealing. |
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Procedure consists in simultaneous growth of multitude of work pieces of moissanite crystals in cellular mould of forming graphite, in dividing them to separate crystals, in faceting, grinding and in polishing. Before faceting, grinding and polishing work pieces are first glued on a mandrel, then they are re-glued on a back side. Moissanite is polished on a ceramic polisher rotating at rate from 200 to 300 rpm with utilisation of diamond powder (spray) with dimension of a grain from 0.125 to 0.45 mcm, facilitating depth of grooves less, than length of light wave of a visible part of spectre. Also, cut and chipped edges of the work piece with defects not suitable for faceting, are crumbled and returned to a stage of growth. Grinding paste with size of a grain 0.25 mcm can be used for grinding. |
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Invention relates to jewellery, namely, to pieces of jewellery made of precious and semiprecious stones. A piece of jewellery comprises a substrate made in the form of a spherical body with smooth outer surface and a core, preferably a pearl, with a radially arranged cone-shaped seat, in which the base is located near the outer surface of the substrate, and the top is located inside the substrate core. The piece of jewellery comprises a smooth or a faceted insert, preferably a precious or a semiprecious stone, made of a pavilion fixed with the help of a fixing agent in the substrate seat, a girdle and a crown. In the substrate core in the area of the seat top along the axis (0-0) of the substrate there is a hole provided, where the top of the insert pavilion is installed. The base of the substrate seat is made with a groove, where the girdle and the crown of the insert are placed. The diameter (d) of the hole made in the substrate core in the area of the seat top along the axis (0-0) of the substrate is selected as equal to 0.1-0.9 of the diameter (D) of the substrate seat base. The diameter (d1) of the substrate seat base deepening is selected as equal to 1.01-1.20 of the diameter (D2) of the insert girdle, and the depth (h) of the substrate seat base deepening is chosen as equal to 0.8-2.0 of the sum of heights (h1+h2) of the girdle (h1) and the crown (h2) of the insert. |
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Procedure for radiation of minerals Procedure for radiation of minerals in neutron flow of reactor in container consists in screening radiated minerals from heat and resonance neutrons. Composition of material and density of the screen is calculated so, that specific activity of radiated minerals upon completion of radiation and conditioning does not exceed 10 Bq/g. Before radiation contents of natural impurities in radiated minerals can be analysed by the method of neutron activation analysis. Only elements activated with resonance neutrons are chosen from natural impurities of radiated minerals. Tantalum and manganese or scandium and/or iron or chromium are used as elements of the screen. Chromium-nickel steel alloyed with materials chosen from a row tantalum, manganese and scandium are used in material of the screen. |
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Invention relates to sewing industry and solves the task to provide independence in self-service in process of clothes putting on and taking off, in particular, in clasping and unclasping of a buckle in belt items for a certain category of consumers, in particular, for people with restricted movement abilities and/or amputated or inborn defects of upper limbs at hands level, elderly people, people with vision restrictions. The buckle is made with application of a fixation facility, such as a zipper tape, equipped with an additional fitting in the form of a suspended ring, and a belt with an additional part, that forms a pocket hole at the inner side, which is arranged accordingly to location of a magnet button or a trousers' hook. |
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Ceramic mass for beads fabrication Ceramic mass for beads fabrication contains the following components, wt %: clay 50.0 - 80.0, ground processing wastes of rock crystal and/or amethyst and/or smoky quartz, and/or morion, and/or citrine, and/or rose quartz 20.0 - 50.0. |
Another patent 2513645.