The firefighting and rescue complex with the lifting platform for application from outside of high-rise buildings

FIELD: medical equipment.

SUBSTANCE: firefighting and rescue complex with the lifting platform for application from outside of high-rise buildings relates to the equipment for emergency rescue and fire fighting operations from outside of high-rise and low-rise buildings regardless their height; the essence of the invention lies in that the complex is formed by the modular frame, its modules are fixed to the building one over another and form the single structure providing furnishing of buildings regardless of their height with the equipment securing the execution of three tasks: lifting of firemen with equipment, rescuing people and fire fighting operations by means of three components: the dismountable portable lifts on the rigid and/or flexible guide rails, removable and irremovable platforms for the equipment and vertical ladders and/or stairways; all the components are applied simultaneously and complement one another without interference with one another and in case of breakdown of any of them the rest will allow to perform all the tasks; the offered device represents the complex which is efficient to the maximum effect when massively applied that is when the lifts of different producers can come with emergency rescue service equipment completes and can be used in the buildings having similar guide rails and simplified lifts (unpowered elevators) can be located on all floors of all buildings by the analogy with fire extinguishers; the complex can be folded to be unseen, it can include the autonomous multistage power and water supply delivery; the equipment can be installed in new and existent buildings and be used for construction purposes; the complex can be applied to operation of the faces and atriums of buildings; the figure 1 reveals the lateral view of the complex; the frame is fixed to the building 1, the frame consists of guide elements 2 fixed to the building with holding units 3; the elevator moves up and down on the guide rails, it consists of the frame 4, lifting platform 5, motor 6, transmission 7, clamps 8 and the operating console 9; the complex allows to lift fire-men and rescuers with equipment, perform rescue operations and extinguish fire from outside of high-rise buildings; all the components can be industrially manufactured for the short period of time and mounted from outside of buildings regardless of their height.

EFFECT: enhanced efficiency of emergency rescue and fire fighting operations.

1 cl, 17 dwg

 

Fire and rescue complex with a lift for use outside of high-rise buildings refers to the means of rescue and firefighting. The invention, hereinafter referred to as fire-rescue complex or Complex, allows rescuers and firefighters in emergency situations to climb the outside of a tall building at any floor to extinguish fires, to carry out emergency and rescue operations. The invention can be used for maintenance of facades and buildings atriums.

For high-rise buildings more than 50 m effective fire extinguishing system outside the building is virtually absent, and if the fire water supply system inside the building will break, the extinguishing of the building will be impossible, and when fire or smoke evacuation routes inside the building will be impossible rescue.

There are many different devices-lifts that raise from the ground various adaptations to buildings on a particular floor. The disadvantages of these devices is the small size and high cost, difficulties of travel to the destination, but most importantly, their limited height, overall length today has a 101-meter lift Bronto GL101.

There are many kinds of cable-drain devices that allow you to descend from the upper floors, e.g. the Spider measures. The disadvantages of such devices include deviations from the vertical or rocking with the man in the wind (more than the length of the rope and the stronger the wind, the greatest threat to humans), as well as the impossibility of using such devices for lifting.

The development of the lifts and the trigger device has not resulted in optimal and efficient technical solutions for exterior fire-rescue and emergency operations.

As a prototype, consider the Sectional ladder "of Darkness" (patent RU 2388892 C1, E06C). "Invisible" differs from the above-mentioned solutions for fire and rescue. It has eliminated all of the above drawbacks, but still may not be the optimal solution. The disadvantages of this design include the following: not all people can descend to climb the stairs; trained rescuers to climb to a high altitude and long and difficult; to fight the fire, while on these ladders, unreal.

Complex eliminates the drawbacks and prototype. The essence of the invention lies in the fact that the Complex is a multifunctional fire-rescue device and may include means for salvation in the form of a lift with the engine, vertical and propulsion ladders, platforms for equipment and maintenance work on the fire.

The technical result is achieved due to the fact that the design of the frame of the Complex can be installed on buildings of any height. The frame can be fastened elements that make up a vertical ladder, straight ladder, platform for placement of equipment and fire fighting, and guiding elements, providing navigation lift with the engine.

In figure 1, 2, 3 - three species in the Complex: side, front and top. Figure 1 to the building 1 is attached to the frame, consisting of guide elements 2, which are secured to the building with fasteners 3. On guide elements is moved up and down the lift, consisting of a frame 4, the platform of the lift 5, engine 6, transmission 7, the clamps 8 and the control panel 9. Figure 2 - other elements of the lift: the holders 10, for which you can keep moving, the power of the engine 11, the lifting rope with carabiner 12 to secure the lift in the frame.

Figure 4 - the design of the clamp with rollers. Clamps 8 with rollers 13 have two positions, one working - provides intimate contact of the lift guide element, the second installation to install the lift on the guiding elements 2 or withdrawing from them. Figure 5 special hooks 14 on the guide member 2 provide geared the e with the toothed wheel 15 of the transmission when driving up and down and fuse the fall of 16. Figure 6 - the analogue of figure 3, and figure 7 - similar to figure 5, the top and side views in connection with mixed guiding element, flexible as rope and hard in the form of I-beams. The rope 17 extends around the leading wheels 18 and clamped slave wheel 19 moving along the slot 20. Closes the cover 21 and the clamps 22 are installed in working position.

On Fig and 9 is a top view of an alternative frame with lift without lift. On Fig - guiding elements in the form of a square pipe 23. Clamps 24 here - flat elements with a low coefficient friction. The rollers 25 prevent the swing of the lift around the vertical axis of the guide element. Figure 9 skeleton hidden in a box 26 and is closed by the shutter 27.

Figure 10 and 11, 12 and 13 is another alternative variant of the frame (hereinafter, lift not shown) with elongated transverse elements: top view with expanded and folded frame, side view with expanded and folded frame. Figure 10 guiding elements removed from the building more than the previous versions, they form a vertical ladder. Applied here, the elongated transverse elements 28, for fire fighting, sometimes it is important. But "sticking" construction spoil the appearance of the facade of the building, so it is advisable to remove the frame when not needed. Extra long poper is cnie elements are in the form of rigid structures, attached at the attachment points and guiding elements, they are not described in detail, as are not subject of this invention, similar elements are known and are described, for example, in the prototype. On 11 and 13 of the transverse element 28 is composed of a vertical position and hidden together with the guide element 23 in a box built into the building. On Fig in holes 29 in the transverse elements is the site for equipment 30.

On Fig, 15, 16 is another alternative variant of the frame, forming a straight ladder: top view, side and front. On one side of the transverse elements 31, forming a vertical ladder, mounted the steps 32 and ground 33, forming a straight ladder. Steps and platforms can be folded in position 34. On the other hand the transverse elements can be attached to the decorative panel 35. On Fig - the same view that pig, but the frame, steps and platforms flights of stairs folded and put away in a special opening 36 of the building with thermal insulating door 37. With the floors 38 to any floor, you can go up or down stairs and platforms educated flights of stairs. Areas for equipment 39 also expand and collapse, but they are not on the March (see Fig), and in places not impede movement through the stages and venues, the us is anovice, for example, a pump. The frame folds and unfolds by hinges 40 by means of handles 41.

The frame is fixed over the entire height of the building and includes attachment points, guiding elements, steps and platforms, cross and other elements.

The attachment points can be of various designs, providing a rigid attachment of the frame to the building of the fasteners, they are not the object of the present invention, the prior art a variety of mounting options and therefore are not described in detail as not described and fasteners.

Guiding elements can be of different shapes, sizes and materials, tough, flexible and mixed, i.e. both hard and flexible at the same time. Rigid guiding elements: profiles of different cross-sections, channels, Taurus, tees, etc., tubes of different cross-sections of circular, rectangular, polygonal, etc. Flexible guiding elements: ropes, ropes, ropes, etc., they are fixed only to the top end, the bottom end can remain free.

The lifter moves up and down, his body is a frame.

The frame provides the structural integrity of the lift and can be made of different kinds of profiles, corners, pipes and other elements rigidly interconnected. On the frame are mounted the various elements of the lift.

The engine may be any design, is attached to the frame and is designed to generate mechanical energy to move the lift.

The platform lift is fixed on the frame and is a flat element small area of any structure (sometimes the role courts can perform the motor housing), it is possible to raise and lower the rescue, saving, fire fighting, rescue, fire, and other equipment or cargo, hereinafter referred to as people and equipment.

Fuses drop fixed for the frame, they are designed to prevent the fall of the lift at any fault in the engine, transmission or supply of energy and can be executed in the form of a rigid element in ensuring the blocking of spontaneous descent or fall of the lift stop for the coupling elements on the guide member or any other similar well-known and not-so-structures, they are not the subject of the invention and therefore not described in detail as not described engines.

In case of fire must be prepared to work the frame and lifts. Bring the lift to the frame to raise and secure the lifting rope with carabiner 12 for the frame. Can be applied to other devices (ropes, chains, etc. with a variety of hooks, locks and so on)attached to the lift frame or the building, and never attached, such as a rope, bow protruding elements of the frame and lift with Zatsepin the mi hooks on both ends. These devices of different designs, which provide a record lift in the off position in limbo or on platforms for equipment, hereinafter referred to as retainers lift. It is advisable to have the tabs lift over the entire height of the building.

To sum up a gear wheel 15 to the special dazepam 14 and to provide intimate contact of the lift guide element. For the moving truck necessary coupling transmission with the guide elements. Apply various devices: with rigid guide elements, teeth and protrusions or recesses and openings of all possible configurations on the guide member, hereinafter referred to as coupling elements on the guides, together with the gear wheels in the transmission; a flexible guide elements, wheels, rollers, shafts, clamps, grippers, mounted on the transmission, hereinafter referred to as coupling elements on the transmission. The transmission provides transmission of motion from the engine to lift, in her case are different gears with different gear ratio, bearings and other elements; and braking for smooth descent established therein various clutches, brake pads and/or any other similar mechanisms. The braking force is adjusted depending on the weight of the trigge emich people and/or equipment. Known transmissions of different designs and details are not disclosed.

Translated from the mounting position into the operating position of the clamps 8 lower and upper. Clamps provide during the movement of the intimate contact of the lift with the guide elements and make possible the installation and removal of the lift, can be of various designs, rotating rollers, rollers, etc. or sliding elements made of material with a low coefficient of friction.

Connect power to the engine hoist. The lift can accommodate batteries and batteries of all types. Instead of electric motors can be applied to engines of other types with other power sources, such as gasoline from the fuel tank. The power supply will be called Autonomous if the energy source is placed on the lift. Fuel tanks, electric accumulators and batteries of all types will refer to the elements that provide Autonomous power supply.

Mounted on the lift equipment and fasten yourself a safety belt. The lift mounted holders 10 in the form of a rigid handles, eyelets or hooks, are provided holes, there cordage, ropes, harnesses and similar devices required for mounting equipment and insurance people, hereinafter referred to as auxiliary elements is of jamnica, in the drawings (except 10) they are not shown, because it is very clear and without drawings.

To start the engine 6 and the driving control unit 9, simultaneously release the latch lift. It is advisable to have additional remote control lifts that will allow you to pull people without support, hooking the safety elements of the lift. Driving lifts consoles from different locations, you can optimize rescue work.

To fix the second lift after first lifting for at least a couple of meters, it is not necessary to wait until the first one reaches the desired height or return. The second can climb up, immediately after installation on the guide element. After picking up the second lift at least a couple of meters, you can join the third lift, etc. Moving lifts one after the other, proposed here, we will refer to one-way transportation, it allows you to quickly raise large numbers of people and equipment on any floor.

Raised to the desired height of the lift will probably disturb other lifts, you must release the guide element. We must hang the first lift on the tabs lift available at this altitude, to release the upper and lower clamps, clean the lift with the guide element, the OS is Aviv hanging, or rent it on site for the equipment and secure it with the clamps lift.

You will probably need a descent rescued down, and if the building with a large number of people, it is advisable to have one hoist could lift or at least to pull two people and/or to use a frame having two guide element. When the two guide elements of the lifts at the top are swapped from one to the other. One guiding element lifts will be up and another down. This movement up and down thereafter referred to as two-way transportation. Two-way transportation allows you to simultaneously lose weight saving and to raise firefighters, rescue workers and equipment, it will fundamentally reduce the total time of both processes.

Attached to the lift devices in the form of rollers and/or flat solid elements with a low coefficient friction, used to prevent swing lift around the vertical axis of the guide element when moving up or down, hereinafter referred to as stabilizing elements.

May apply alternative forms of energy, such as electric motors with cables on reels or without them. The power supply will be called wired, if the energy for the lift served on the wire is m But if the building is high, then the length of the electric wire on the coil is not enough. Along the entire height of the building, it is advisable to secure the electrical wires to install outlets with spacing equal to the length of the cords on the lift. Mounted on the frame, the closing elements, the building or parts of building wiring and sockets hereinafter referred to as stationary. To reduce the rise time on the lifts, it is advisable to install two coils. On the ground level connect the electric wire of the first coil, and the rise is, until its length. As noted, at this height will be fixed stationary socket from the stationary electrical wiring, connect the electric wire of the second coil lift, and the first electric wire hoist is disconnected from the wall outlet. The location of electrical outlets should contribute to self-detach upon further lifting of the lift. Coil lift fastened together, and if the electric wire of the second coil is unwound, then rotates and the first coil means of the first electric wire will gather around the coil. When the second electric wire all will uncoiled, the first electric wire all will wrap one another up on the coil. This should happen there, which established the following stationary socket. The electric wiring of the sockets may be portable, but in this case they should Bud is t to raise the lift. Coil, fixed and portable electrical wires and sockets will call for a wired power supply. The transfer of energy up for a wired power supply connected, placed and connected in the above order, we will call the cascade energy.

In practice, it is advisable to standardize the length of the electric wire coils lifts similar structures, the parameters of all the elements of a cascade of energy, guide elements and transmissions lifts. Standardization will ensure the interchangeability of the elements, when any lift will be able to work on any frame of any building is important. Electric wires, coil, fixed and portable socket, and coupling elements on the guides and transmission lifts, providing interchangeability, thereafter referred to as standardized elements.

To extinguish a fire outside the building must be submitted to the upper floors water, foam or any other liquid or gas (hereinafter collectively referred to as water). If the pump ground level capable of lifting water to a height of, for example, 10-th floor, and the pipeline can withstand such pressure, then up at every tenth floor pumps and pipelines, can be used to extinguish a fire at any is the height. Along the entire height of the building on the frame, end items, parts of the building can be fixed piping connectors and valves, which are hereinafter referred to as stationary. The tubing on the frame can not be fix, in this case, the piping or hoses will be portable, and they will have to raise the lift. The above and other elements, their mutual arrangement, connection and connection, providing water rise to the top, hereinafter referred to as the cascading water.

When the height of the building is similar to the cascade can be formed and the design of the frame when the frame elements, previously described, having a certain length and height, form a kind of module, attached to the building in the way described earlier. On this module, above, may similarly be attached to another module of the same design, forming a cascade of two modules. Thus, the load is distributed throughout the building, each module is loaded only the weight of the module, lift, people and equipment on them. The modules can be assembled in the factory. It is advisable that the dimensions of the module allow for its transportation and especially lifting and installation on the building. Obviously, increasing the number of modules, it is possible to provide the Assembly of modular frame at an arbitrarily high buildings or other buildings "endlessly the high-rise. The described configuration of the frame and its method of construction hereinafter referred to as the modular frame. The frame can also include a variety of items, disposable, usually horizontal or nearly horizontal, and it is possible to go up or down as by a ladder, such elements were called elongated transverse elements. The frame may include a variety of platforms with a variety of fasteners folding, removable not removable and/or other role of platforms for placing and installation of equipment, referred to as the site for the equipment and the role of steps and/or sites flights of stairs to move people. Frame and stationary elements of a cascade of energy supply and cascading water can be folded and close (hide)when they are not needs, there are knobs, levers, grips, door closers, additional engines, transmissions and other items of various structures, hereinafter referred to as the folding elements. Due to this frame and stationary items do not spoil the appearance of the building and invisible. Blinds can be of various designs of sliding, hinged, single, double, etc. the design of the boxes also varies, moreover, for example, Fig.9 shows that the box can otsutstvoval the ü, because the frame is completely embedded (hidden) in the building. The box may be above the surface of the facade is partially or completely, therefore, can hide a portion only of the frame. Decorative panels and blinds can be made of glass, ceramic, metal or any other material and configuration. The elements of various designs and materials, with different mounting options with elements of the building and each other, providing invisibility and protection of the construction of the frame or part of the frame, the stationary elements of a cascade of energy supply and cascading water hereinafter referred to as the closing elements.

The design of the Complex also includes locks, lugs, brackets, hooks, bushings, bearings and other elements that provide fixation of the stationary elements of a cascade of energy and water supply, frame and/or moving parts in the folded and unfolded States, hereinafter referred to as fixing elements. Design a variety of locking elements are known and are not described.

The technical result is achieved. We get a device that allows you to conduct rescue operations and to extinguish fires on the outside of tall buildings. As can be seen from the description, the height of the building can be any, because on each floor of the building can be assigned to the module (or part of a module) modular frame is it possible to raise the lift with people and equipment. On the same lift can be lowered to the ground as standing and lying, accompanied or unaccompanied. People can go up and down educated vertical and flights of stairs. At any height can be set and/or to expand the space for equipment, up there the pump and, using cascading cascading water and energy supply, to extinguish the fire outside the building. The present invention eliminates all the disadvantages of the above analogs and prototypes. All components can be manufactured in a short time and installed outside of buildings (existing or new) no matter how high they were.

The complex can also be used in the construction of buildings for lifting light construction materials and workers, as well as the use of buildings for maintenance of facades and atriums.

1. Fire and rescue complex consisting of at least one frame comprising at least one guide element with at least one coupling element on the guides, providing the movement of the lift, at least one attachment point for attachment of the guiding element to the building directly or through a cross element, at least one latch lift, whether or not mounted on p is themnike, the frame and/or the building, which provide a record lift in the off position, and the frame consists of modules and contains at least two modules, fixed themselves on building one above the other and forming a modular framework that enables the creation of a skeleton on many high buildings while increasing the number of modules, at least one lift that includes a frame and fixed thereto, at least one motor, at least one transmission, at least one coupling element on the transmission, at least one clamp, ensure that the movement of the lift, at least one element providing offline or wired cascading the power supply to at least one platform lifts, at least one safety element lift, providing accommodation and fastening of people and equipment, at least one remote control that provides control lift, at least one fuse of the fall, ensures retention of the lift from falling and intended for ascent and descent people and equipment in high-rise buildings during an emergency, this system provides the possibility of unilateral transportation of people and equipment when attached and fixed to order the shining element in two or more lifts are moved one after the other in one direction at a time, that will reduce the total time of ascent or descent, the lift removable and for the work he puts the guiding element and the frame can unfold, fold, folded and closed, providing invisibility and protection frame and stationary electrical wires and sockets cascade of energy supply and stationary pipes with connectors and valves cascading water closing elements in the form of blinds, decorative panels, boxes, attached to the elements of the building frame and between themselves, with the design of the frame includes at least one straight ladder formed collapsible and expandable steps and/or sites, mounted on frame.

2. Fire and rescue complex according to claim 1, characterized in that it contains two or more of the guide element, similarly secured by fasteners to the building and providing the bi-directional transport of people and equipment, when one guiding element is lifting, and the second guiding - descent.

3. Fire and rescue complex according to claim 1, characterized in that at least one element is a standardized element, in the form of a coupling element on the guides, the coupling element on the transmission, wiring, coils, stationary and PE is anenih outlet which provides interchangeability, when the lifts are similar in design will be able to work on buildings with frames similar design.

4. Fire and rescue complex according to claim 1, characterized in that it contains a fixed and/or building at least one element providing a cascade energy, namely stationary and portable sockets, wires, coil.

5. Fire and rescue complex according to claim 1, characterized in that it contains a fixed and/or building at least one element providing a cascading water, namely, stationary or portable piping connectors and valves.

6. Fire and rescue complex according to claim 1, characterized in that in the framing used elongated transverse elements, a fixed attachment points for building and forming at least one vertical ladder.

7. Fire and rescue complex according to claim 1, characterized in that the framework can be deployed attached to it collapsible and/or pin removable, at least one space for equipment.

8. Fire and rescue complex according to claim 1, characterized in that it contains at least one stabilizing element in the form of rollers, flat elements with a low coefficient friction, for Replacemen on the lift, to prevent swing lift around the vertical axis of the guide element when moving up or down.

9. Fire and rescue complex according to claim 1, characterized in that its frame in the folded and unfolded States is fixed at least one locking element, such as locks, lugs, brackets, hooks, sleeves, bearings mounted on the building and/or structure.

10. Fire and rescue complex according to claim 1, characterized in that for folding and revealing his skeleton is used, at least one element of folding in the form of a handle, lever, gripper, door closer, extra engine with the transmission mounted on the building and/or structure.

11. Fire and rescue complex according to claim 1, characterized in that it has an additional at least one remote controls which lifts to keep saving people without support and optimize rescue work from locations within the range.



 

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5 cl, 9 dwg

FIELD: life saving equipment.

SUBSTANCE: present invention refers to respirators which are usually used by an individual over airways, at least for prevention of contaminating agent or particle penetration in the user's airways. A flat fold filter face respiratory mask 10 comprises: a mask base 12 having a transversally extended boundary line 22, a longitudinal axis 34, and a lashing strap system attached to the mask base. First 32a and second 32b structures formed by welded joints which are arranged from both sides of the longitudinal axis 34 respectively above the boundary line and do not cross the boundary line 22. Third 32c and fourth 32d structures formed by welded joints are arranged below the axis 34 and do not cross the boundary line 22. Each of the first 32a, second 32b, third 32c and fourth 32d structures formed by welded joints is a closed two-dimensional structure.

EFFECT: mask base with such collection of the structures formed by welded joints exhibit good crumpling stability and does not require to introduce additional or more dense layers in its construction necessarily causing greater air pressure drop on a filtering element.

17 cl, 6 dwg

FIELD: medicine, fire-fighting means.

SUBSTANCE: invention refers to weight handling engineering, namely to conveyers for various handling operations, particularly for people evacuation from buildings in fire. A cable-drive cable conveyor of people rescue in fire in buildings of any possible height consisting of upper bearing units of the conveyor which are mounted on cantilever beams held on a extending fire ladder, in windows, balconies, a roof or a carriage movable on eaves of a building. For length adjustment of the conveyer with a constant length of a girdled cable, the conveyer is supplied with a receiver of a showing-up unused length of the cable in the form of two freely rotating multistrand pulleys mounted on the cable tension adjustment carriage. The people evacuation operation is performed on hanging platforms, stretchers, belts hooked up to cabled trailers.

EFFECT: use of the declared invention allows for more rapid people rescue in fire from the buildings of any possible height from balconies and windows.

1 cl, 8 dwg

FIELD: salvage operations.

SUBSTANCE: ladder for evacuation of people from premises of multistory buildings and structures, comprising safety devices in the form of braking devices 11 with an endless rope 12 and made of two flexible side guiding branches 8 at one end, which have clasps for its fixation, and at the other end - there are transverse crosspieces-steps 9 threaded at side guiding branches of the ladder at the equal distance from each other through holes made at the end of crosspieces and fixed on side guiding branches against downward slippage in the unfolded working condition, besides, it is made was wound and unwound onto a reel made of sides 6 rigidly connected to a shaft 5, on which a bracket 7 is rigidly mounted with attached side guiding branches 8 with fixed tubular crosspieces-steps 9 by means of threaded fixators 10 screwed into end parts of tubular crosspieces-steps, at the same time the shaft 5 of the reel, together with the sides 6 is made with the possibility of rotation on a tubular axis 3, rigidly installed in side brackets, which in their turn, are rigidly attached to a base 1 and in the upper part are additionally connected to each other for stability by a rigid connection, at the same time a jacket 20 is hingedly fixed to the base, consisting of hingedly fixed parts that cover side brackets when closed and the ladder wound on the reel to form a closed portable reservoir.

EFFECT: improved quality and structural characteristics of ladders used for individual salvage of people from premises of high-rise buildings and structures in case of emergency situations and convenience of their usage in specified buildings and structures.

4 cl, 5 dwg

Saving appliance // 2429891

FIELD: salvage operations.

SUBSTANCE: folded shell and a cylinder with light gas are placed into a rucksack and connected with a hose via a valve with tubular slings that lead towards the shell. Between the cylinder and the shell there is a device for automatic supply of light gas into the shell in case of a mountain climber fall. The device comprises a body, in which there is a finger-like lug of elastic material to cover the outlet from the cylinder. On the inner surface of the body along circumference with a gap from the surface of the finger-like lug there are radially directed sharp thorns.

EFFECT: increased safety by means of automatic valve opening in case of a person's fall from height.

3 dwg

FIELD: textile, paper.

SUBSTANCE: multilayer sorption nonwoven material with fire-resistant membrane-fabric layer consists of 1-5 homogeneous or heterogeneous internal layers of nonwoven highly porous material from fibres filled with solid sorption particles on the basis of polyacrylonitrile or its mixture with polyurethane. The filler of sorption layers from nonwoven highly porous material is represented by solid particles of activated carbon, cationite or anionite with particle size below 6 mcm, arranged in the volume of nonwoven highly porous material in amount of 38-64 wt %. Sorption layers of the material are reinforced with adhesion of external coating and internal underlying woven reinforcement layers at two sides of sorption layers, and reinforcement layers are made of viscose-lavsan foundation fabric on the basis of a high-strength polyester fibre, containing 25-35 wt % of viscose fibre. For adhesion an adhesive powder composition is used on the basis of ethylene copolymer, containing the following amounts per 100 mass parts of ethylene copolymer - 17-21% vinyl acetate and 0.0144-0.0176 mass portions of highly dispersed hydrophobous noncompacted silicon dioxide. The material is additionally equipped at the side of its external coating woven reinforcing layer with a fire-resistant membrane-fabric material made as double-layer from the internal membrane layer adjacent to the surface of the external coating woven reinforcement layer and the external fire-resistant layer. The ratio of the internal membrane layer thickness in the fire-resistant membrane-fabric material to the thickness of its external fire-resistant layer is selected from 0.2 to 3.0. The inner membrane layer of the material is made with pore size of 0.15-0.65 mcm from copolymer of polyvinyl chloride with 22-32 wt % of tetrafluoroethylene. The material of the membrane layer has steam-, air permeability at 36°C making 50-86 g/m2 hour, water resisting property of 1.7-1.8 kgf/cm2, bubble point of 0.4 - 0.6 kgf/cm and surface density of 20-118 g/m2. The external fire-resistant layer is made with linear density of 38 tex, rupture load of 100-2000 N and rupture elongation of 3.9-4.5% of a double-component combined thread, the first component of which in the form of a rod represents an aramide complex thread or yarn with linear density of 6.3-14.3 tex, and the second component of the combined thread in the form of the rod braiding with number of turns equal to 600-900 twists/m represents cellulose-containing threads or yarn with linear density of 10-30 tex. The aramide thread or year uses polyparaphenylene terephthalamide, polymetaphenylene terephthalamide, copolyparaphenylene tetephthalamide or copolyparaphenylenebenzimidazole terephthalamide fibres with oxygen index of more than 30, and the cellulose-containing thread or year is a modified fire-resistant viscose thread or yarn. The external layer fabric is made by the main weaving with surface density of 150-200 g/m2 at the following ratio of components, wt %: aramide thread 15-50, cellulose-containing thread or yarn 50-85.

EFFECT: higher fire resistance, water impermeability, resistance to wind penetration, aerosol impermeability, with preservation of high hygroscopicity and steam and air permeability of the material to remove excessive moisture from the surface of human skin.

11 cl, 2 ex

FIELD: medicine.

SUBSTANCE: composite protective face mask of a respirator comprises a rigid polymer case of a face mask having a first surface and a second surface, and a silicone element of a face seal chemically coupled with at least the first surface and the second surface.

EFFECT: method for shaping the composite face mask of the respirator provides the air-tight attachment of the elastomeric face seal and rigid structures of the respirator.

18 cl, 5 dwg

FIELD: life saving equipment.

SUBSTANCE: invention refers to respiratory face masks longitudinally extensible and compressible to conform with user's jaw motions. The filtration respiratory face mask 10 comprises a support structure 16 and a filter insert 18. The support structure 16 contains the first and second transversally extended elements 26 and 28 which can come together and move apart longitudinally. The filter insert 18 has a filter bed 52 and a fold 58. The fold 58 enables the filter insert stretching when the first and second transversally extended elements move towards each other and from each other respectively.

EFFECT: pleat-like extensible and compressible ability of the mask support allows better conforming with user's jaw motions.

16 cl, 7 dwg

Protective mask // 2243795

FIELD: life saving equipment.

SUBSTANCE: mask has shield of hemi-spherical shape provided with head part, air channels, air distribution insert, air receiving connection pipe, outlet nozzle and safety valve. Hemi-sphere and oval head part are aligned one with another and formed of optically transparent air-tight material with slot-like elastic channels communicating with stretched inner walls. One channel enters in hollow end of mask hemisphere hole, another channel is formed in hollow oval head part terminating with air-distribution insert at under-mask space. Another channel end connects with air intake connection pipe of ellipsoidal cross-section.

EFFECT: reduced cost, anthropometrical universality, increased operational and protective efficiency.

3 cl, 4 dwg, 1 tbl

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