A way of marking cable products
(57) Abstract:Use: manufacture of cable or other filamentary products. The inventive method of marking cable products is to make the product characteristics, which carry information. As these signs are used to change the thickness of the structural element of the product, periodically repeated along its length. Changes in the thickness of produce vipresume material of the structural element of the product or coil product tapes. 3 C. p. F.-ly, 10 ill. The invention relates to the production of cable or other filamentary products, one of the elements (preferably outside) is made by winding a tape overlay on presses polymer, rubber, metal.There are various ways of applying for wire and cable marking containing information about their margaritora, the manufacturer, the features of the technology and so on, you Can select drawing characters using paint.with. N 1686486), their creation by embossing on the hot shell. C. N 1654880), creating a convex characters on a hot shell with the use of vacuum.with. N 546941).The transition from a planned supply kit is alnost identification of a particular product with its manufacturer. It is quite probable in the near future, the problem of protection of manufactured products from counterfeiting. This problem has economic terms, as the presenting complaint for a product manufactured by another manufacturer and provided with false labeling, causes economic damage to the company, whose marking is used illegally. To help in this situation can use the hidden marks that cannot be read without special tools or without confidential information. These methods do not meet this requirement, they create a visually distinguishable markings.Known methods of marking cable products demand unavailability of information the consumer is responsible method  He is that the surface is coated with a magnetic coating, by using the magnetic head, it is recorded the required information (business and technological). Reading of information is carried out also by using the magnetic head. The disadvantage of this method considerable complexity and additional costs. Spent a magnetic material, is an additional process operation of the application, for recording information and for the automation of the Assembly process harnesses justifies the complexity and cost. To exclude same-counterfeiting products, it seems appropriate to use a more simple and cheap ways of the hidden marks.This method is intended for supply of cable products, one of the elements (insulation, sheath) is manufactured by winding a tape or overlay material on presses, feature, allowing to determine that the product produced by this company.The aim of the invention is the provision of unavailability incorporated in the labeling information outside observer, lower costs the manufacturer claims on the products of other manufacturers, equipped with fake visual marking.As labels that identify the manufacturer, are used regularly repeated along the length of the product changes in the thickness of insulation (sheath) to the extent permitted by the design of the product. Change the thickness of insulation (sheath) is periodically recurring changes in the linear velocity of passage of the workpiece through the working node (extrusion head, wrapper) at the same production site or recurring changes in productivity, speed brasenia may be in the form of step (a distance along the length of the product) repeated changes of thickness, in view of the nature of changes in the thickness (only an increase of the background of some nominal value, only a reduction on the background of the nominal value, following each other immediately increase and decrease compared to some nominal value). The information included in the labeling, can be read by a simple measurement of the outer diameter along the length of the product. As reading the information device can be used for differential capacitive sensor, providing for inclusion in the shoulders electrical bridge two sections of insulation (sheath), located between the conductive housing (metal wire braided) and two electrodes covering the product and is able to independently move along the product. To one diagonal of the bridge connects the voltage of ultrasonic frequency in the other diagonal is included zero indicator. Moving one of the electrodes along the cable of the product, install it on one of the sites with the changed thickness, what is judged by the maximum reading of the null indicator. Then deleting the products along the second electrode, find the position of the neighboring area of modified thickness, what is judged by the minimum reading of the null indicator. Distance is an indoor method of marking and reading makes it difficult to counterfeit products. It can be used both independently and in combination with visually perceptible ways.In Fig.1 presents a scheme of the proposed method when using changes in the linear velocity of passage of the billet through the extrusion head of Fig. 2, 5 and 8 shows three variants of the control rim of the traction wheel; Fig. 3, 6 and 9 corresponding time variation of the speed of passage of the billet through a die of the extruder of Fig.4, 7 and 10 due to these changes the rate of change in thickness along the length of the product, respectively.To change the speed vo+ vdin the cylinder of the extruder at a constant velocity vothe traction device is used to change the length of the workpiece between its exit from the cooling bath (NACHA) and the reception of the workpiece on the traction wheel (CON) (Fig.1). In the middle of this area is a guide roller 1, the limiting position of the workpiece from above and are able to move about vertically. The movement of the roller forms an extension velocity vdthe blank in the head. A roller mounted on one end of the lever 2, axis 3 which is fixed. The position of the roller is determined by the profile Manager Abdurashid with him.In Fig.2 shows the profile of the rim, providing within the duration of one sixth of the turnover time T traction wheels increase and decrease the linear speed of the workpiece in the die head of the extruder, the following directly one after the other. During the rest of the turnover of the traction wheel linear velocity remains constant and equal to vo.A graph of speed is shown in Fig.3. In Fig.4 shows the change in the thickness of the insulation along the length of the products provided by rim Fig.2. Increments of L, is equal to the circumference of the traction wheel, there is a successive decrease and increase of the insulation thickness. In Fig.5 shows the profile of the rim, providing within five sixths of the period of rotation T of the traction wheels a constant linear speed of the workpiece in the head, somewhat smaller vabout. During the one-sixth share of the turnover wheel speed is increased (Fig.6). Plot (Fig.7) shows that in isolation are formed compression, repeated along the length of the product in increments equal to the circumference of the traction wheels. In Fig. 8 shows the profile of the rim, in which five-sixths of the period of rotation of the linear speed of the workpiece in the cylinder remains constant, and W is is reduced, the product section is formed with an increased thickness of insulation (Fig.10). Step sequence thickening along the length of the product is the same.Mathematical analysis of this scheme showed that the greatest degree of constancy of the speed of each plot graphs of Fig.3, 6 and 9 is provided by movement of the roller according to the law
F(t) C tA(1) where 0.5 < A < 1,0; C coefficient determined desired value of the incremental speed of the workpiece.In Fig.2, 5 and 6 shows the profiles of the rim defined by (1) for the duration of the working movement of the roller is equal to a sixth part of the period of rotation of the traction wheel (vo30 m/min, And 0,5077, C0,2246, the distance between the place of exit of the product from the bath and cooling the traction wheel 2 m). It is shown that within 90% of the length of the formation of the nominal thickness of the element, and within 90% of the length of the formation of modified thickness translational speed of the workpiece in the cylinder, and accordingly the thickness of the layer that is created does not change more than 1.5% incremental velocity vdconstituting 20% of the vabout.The proposed method of marking is not possible to record three-dimensional information, in this sense, it is inferior to the known method. However, he snecial it is used with a visually discernible marking the amount of recorded data can be increased. 1. A WAY of MARKING CABLE PRODUCTS, which consists in giving the product characteristics, information-bearing, characterized in that the quality of these features is used to change the thickness of the structural element of the product, periodically repeated along its length, and the change of the thickness is carried vipresume material of the structural element of the product or coil products ribbons.2. The method according to p. 1, characterized in that the information asked in the form of the magnitude of the step of repeating the thickness or in the form of changes in thickness.3. The method according to p. 1, characterized in that the thickness provide in the process of manufacturing is periodic in time by changing the translational speed of the workpiece at a constant productivity press, or the speed of the wrapper.4. The method according to p. 1, characterized in that the thickness provide in the process of manufacturing is periodic in time change the performance of the press or the speed of the wrapper at a constant translational speed of the workpiece.
FIELD: electrical engineering.
SUBSTANCE: proposed device has hose 22 designed for fixation on cable 3 and provided with relevant cable identifying marks on its outer surface. Hose is flattened and its section 23 is closed on at least part of its width while its naked part forms passage for cable 3.
EFFECT: facilitated use of device.
12 cl, 13 dwg
FIELD: electrical engineering.
SUBSTANCE: proposed current-carrying cable has insulated current-carrying conductors covered with insulating sheath and connected at ends to contact assemblies. Insulating sheath is essentially band with current-carrying conductors connected at its edges to provide for regulating conductor-to-conductor capacitance and spaced minimum 4 cm apart on band section between contact assemblies; mentioned band is made for interconnecting its edges at least on part of its length for driving current-carrying conductors together. Current-carrying conductor used for proposed cable has two insulated wires covered with common insulating sheath. Both wires are stranded over conductor length; stranded wires are essentially equal-length conductors alternately stranded clockwise and counter-clockwise and having equal number of turns and twisted with equal force.
EFFECT: ability of regulating conductor-to-conductor capacitance over perimeter.
4 cl, 12 dwg
SUBSTANCE: object of the present invention is an electric cable (1), containing shell (2) with external marking. Marking is formed by block (3), at the same time pictures (4, 5) are arranged serially along cable length, besides, block of pictures is repeated at least twice along the cable length, starting from the free end of cable (12). The object of the present invention is also the method to press contact (7) on such a cable, at the same time external marking makes it possible to determine position of cable in cartridge.
EFFECT: good quality of further pressing.
18 cl, 10 dwg
SUBSTANCE: marking label made of a flexible elastic material in the form of a strip having a lengthy shape and arranged along a market item, besides, it is equipped with two pairs of transverse slots arranged at the label edges and having length slightly higher than the length of marked item circumference section.
EFFECT: reduced material intensity, higher manufacturability of production and improved operational properties of a marking label, simplified design and higher universality, reliable fixation of a label without a risk of its slippage on a marked item.
2 cl, 4 dwg
SUBSTANCE: method of electric conductor manufacturing includes introduction of an additive consisting of a mix of heat-resistant organosilicone fluid (OSF) and heat-resistant fluororganic compound (FOC) in the amount of 0.3-1.5% by weight into granulate of radiation-synthesized compound based on copolymer of tetrafluoroethylene and ethylene. Proportion of OSF and FOC varies within limits of 1:3 up to 3:1. The obtained mixture of granulate and additive is delivered to a loading hopper of the extrusion machine, thereafter at least one coating of this mixture is applied as insulation to electric conductor and irradiated. Electric strength of conductor is more than 70 kV/mm.
EFFECT: improving manufacturability and productivity of the suggested method due to exclusion of destruction of radiation-synthesized compound at growth rate of its application to conductor, high physical and mechanical and electrical properties of insulation.
3 tbl, 1 ex
SUBSTANCE: invention relates to a medium-voltage or high-voltage cable for transfer and distribution of electrical energy. An electrical power cable has external semiconducting layer (24) extruded around the outermost layer of sheath (22) of the cable and is in contact with it. Sheath (22) can have multiple polymer layers (22-1, 22-2). Semiconducting layer (24) differs from the outermost layer of sheath (22), which is located directly under it, at least by colour and possibly also by texture, as well as thickness of semiconducting layer (24) comprises up to 20% of total thickness of sheath (22) and semiconducting layer (24).
EFFECT: observable properties of semiconducting layer (24) and the outermost layer of sheath (22) reduce hazard of unintentional damage to sheath (22) at removal of semiconducting layer (24) for sheath integrity tests.
15 cl, 2 dwg
FIELD: radio engineering, communication.
SUBSTANCE: invention relates to a control system for use in underground operations having two control computers and one network cable which connects control computers. The control computers are designed to transmit data over a first network cable using high-frequency signals. Each control computer is designed to transmit data using low-frequency signals over one network cable.
EFFECT: improved transmission.
10 cl, 11 dwg
FIELD: electrical engineering.
SUBSTANCE: invention relates to electric cable, fitted with theft deterrence means. Invention relates to electrical cable (1, 10) comprising at least two conducting strands (2, 3) and theft deterrence means in form of a marking (8). Marking is a series of relief prints (8) akin to a bar code, wherein marking (8) is made on connectable part (6, 16) fixed on cable (1, 10), wherein the connectable part (6, 16) is closely and randomly interlaced with strands (2, 3) in order to prevent its extraction from cable (1, 10).
EFFECT: invention provides resistance of marking to any external action, and prevents its extraction from cable.
13 cl, 3 dwg
SUBSTANCE: invention relates to high performance, high temperature resistant wires and cables as well as to a method for production thereof. Said wires and cables are fire-resistant and are used in heavy operating conditions, such as drilling or mining operations, industrial, military, aerospace and sea applications. Tape (20) comprises a laminated or co-extruded insulating first layer (24) of a polymer matrix in which mica particles are dispersed and second layer (26) of a polyether ether ketone (PEEK) or a blend or alloy thereof containing at least 50 wt% of PEEK. Surface of at least one said layer, opposite other said layer, is coated with fluoropolymer film (25). Sid tape can be used to form a multilayer coating on conductor (10) such as an electric wire. Outer protective layer (28) of a fluoropolymer such as PTFE may be applied around wrapped tape, by wrapping or extrusion.
EFFECT: technical result is production of wires and cables with good insulation, high temperature resistance, and also having improved mechanical properties at high temperatures.
59 cl, 4 dwg, 1 tbl
SUBSTANCE: marking strip is provided with two longitudinal recesses, the length of which is determined by the diameter of the product to be marked and placed on the top and bottom edges of the left or right side of the label plane. Three strips, formed by two longitudinal recesses, make the marking label grips, by passing the label through the product to be marked. The use of additional slots allows to provide the label using, while marking the products with different cross-sections.
EFFECT: improving manufacturability and improving the performance properties of the marking label, design simplification and universality increase.
2 cl, 6 dwg