CN102390506A - Emergency life jacket - Google Patents
Emergency life jacket Download PDFInfo
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- CN102390506A CN102390506A CN2011102920349A CN201110292034A CN102390506A CN 102390506 A CN102390506 A CN 102390506A CN 2011102920349 A CN2011102920349 A CN 2011102920349A CN 201110292034 A CN201110292034 A CN 201110292034A CN 102390506 A CN102390506 A CN 102390506A
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Abstract
The invention relates to an emergency life jacket. The emergency life jacket is mainly composed of two parts, wherein the first part is a life jacket material, which can be made of PU (polyurethane), or thermoplastic elastic rubber SEBS (Styrene Ethylene Butadiene Styrene), or PU and SEBS; the second part is an electric igniting device located on the life jacket; sodium azide, potassium nitrate and SiO2 are placed in a reaction region (4) of the electric igniting device; and in emergency, by pressing a button region (6) located on the electric igniting device, chemicals in the reaction region (4) react to instantaneously generate a large amount of nitrogen gas, generated nitrogen gas enters an air channel (2) through a filter layer (3) and finally enters an air bag through a channel (26) between an external thread (12) and an internal thread (23), and thus the life jacket is inflated to rapidly expand to save a drowning person. The emergency life jacket has the advantages of strong airtightness, high flexibility, lightweight, strong fitness, comfort in wearing, foldability, convenience in carrying and the like.
Description
Technical field
The present invention relates to life in a kind of water, especially relate to a kind of emergency survival clothing.
Background technology
Known, mostly material was that foam-plastic blocks, latex or common air bag constitute in present life jacket was general, and its foam-plastic blocks material is not only very thick; And very hard, volume is bigger, and activity is also inconvenient; And seem very heavy; And latex or common these material water-proofnesss of air bag and buoyancy are limited, are not durable and wear uncomfortablely, also have problems such as in various degree allergic reaction, special odor, poor thermal conductivity when wearing.
Summary of the invention
For overcoming deficiency of the prior art; The present invention provides that a kind of air-tightness of being processed by polyurethane, SEBS or other artificial synthesising macromolecule copolymers is strong, suppleness is high, in light weight, emergency survival clothing that stickiness is strong, comfortable and easy to wear, collapsible and easy to carry; This emergency survival clothing in case of emergency through starting electric ignition device, makes the NaN in the air inflator system
3And KNO
3React, moment produces a large amount of nitrogen, is airbag aeration, saves drowning person's life with this.
For realizing the foregoing invention purpose, the present invention adopts following technical scheme:
A kind of emergency survival clothing mainly is made up of two parts;
First is the life jacket material: its material can be made up of or thermoplastic elastic rubber SEBS constitutes or polyurethane PU and SEBS constitute polyurethane PU; Polyurethane has that permeability of heat is good, film is pliable and tough, does not have special odor and do not have allergic reaction, and more important is the influence that it does not receive various oil lubricants, and the polyurethane life jacket is insensitive to wet, heat and ultraviolet light, and is not perishable in storage process; Use its life jacket of processing to have nontoxic, characteristics such as intensity is high and permeability of heat is good;
SEBS has good stretchability, low temperature resistance and processability, and it does not contain unsaturated double-bond, has UV stable, inoxidizability and heat stability preferably; Through the authentication of U.S. food Drug Administration; The SEBS material non-toxic can not produce irritated, variation and rejection to tissue, has that air-tightness is good, high temperature resistant, ageing-resistant performance; Can use thermophilic digestion and directly sterilization of ultraviolet ray, can be used as the basic material of medicine equipment; The life jacket that SEBS processes has advantages such as high resiliency, high caloric conductibility, tasteless and allergic reaction be low;
This life jacket is a double membrane structure, has stronger air-tightness, in the middle of duplicature, fills with an amount of cornstarch or french talc, can guarantee that life jacket keeps pliable and tough and lubricated when storing;
Second portion is the electric ignition device on the life jacket
The electric ignition device of this emergency survival clothing is installed in the waist location of life jacket, and its electric ignition device produces gas and comes from the inflation principle of safe automobile air bag for the gas filed principle of life jacket; In the reaction zone of electric ignition device, lay solid chemical compound sodium azide NaN
3, potassium nitrate KNO3 and SiO2, running into drowned the grade in emergency circumstances, sodium azide and potassium nitrate in the air inflator system are reacted through by the button area on the piezoelectricity ignition device; This reaction is very rapid, and moment can produce a large amount of nitrogen, and the hot-fluid that nitrogen forms passes filter layer and gets into air by-pass passage; Enter into air bag through the passage between outside thread and the negative thread at last; Life jacket part just is provided with the passage of hollow in the middle of this negative thread, be convenient to gas flow; Life jacket is expanded rapidly, thereby be the life jacket inflation; The equation that its electric ignition device reacts is following:
①2NaN
3=2Na+3N
2↑； ②10Na+2KNO
3=K
2O+5Na
2O+N
2↑；
③K
2O+Na
2O+2SiO
2=Na
2SiO
3+K
2SiO
3；
Solid SiO
2K with the reaction generation
2O, Na
2O combines to generate silicate, can reduce the corrosive property that airbag uses the back waste, reduces environmental pollution;
Described electric ignition device: mainly processed by piezoceramic and piezoceramic, piezoceramic is a kind ofly can mechanical energy and the electric energy ceramic material of conversion mutually be belonged to Inorganic Non-metallic Materials, and this is a kind of material with piezoeffect; The flint that in electronic lighter, just has piezoceramic to make, the sparking number of times can be more than 1,000,000 times;
The outside thread of electricity ignition device is connected with the negative thread of life jacket part, can the snap fastener of life jacket part upper end be pressed cooresponding snap fastener position above ignition device, thereby can reach the purpose of thread-rolling screw junction; The material that the threaded connection place is selected for use is a kind of life jacket material with certain suppleness; Has certain elasticity; Outside thread is connected with the negative thread of life jacket part can produce squeezing action, makes the air-tightness of threaded connection place strengthen, and snap fastener is connected with the life jacket partial fixing; Be buckled in the corresponding snap fastener of ignition device position through snap fastener, stop gas leakage; On the ignition device sidewall, be provided with opening part, the draw and insert-type structure that this opening part carries out for the card processed through materials such as metal or PVC, the insertion through card is carried out the filling of medicine with releasing; Consolidating layer can be reinforced screw thread among the figure, makes threads carry part pressure, and this also is stained with above consolidating layer by buckle device, therefore can also bear a part of pulling force; According to shown in Figure 4, ventilation zone is as shadow region that thickening layer is marked, and air has only through this zone could pass through air by-pass passage entering life jacket.
Through the pressing button district, make length of spring compressed, spring is transferred to elastic potential energy moment of accumulation on the adz-eye hammer then; Adz-eye hammer changes into self kinetic energy with the elastic potential energy of spring, and moves downward, and then a part of kinetic energy is changed into the elastic potential energy of spring; Another part kinetic energy makes kinetic energy be delivered to piezoceramic through the iron pin through impacting the iron pin, piezoceramic and piezoceramic generation extrusion and collision; Thereby generation electric charge, the charge transfer of generation come out charge transport through the lead that insulating barrier is arranged in iron plate again; Thereby the formation electro spark, after electro spark formed, spring was converted into the elastic potential energy of self putting aside the kinetic energy of adz-eye hammer; Adz-eye hammer is pushed to, and adz-eye hammer promptly stops after entering into the draw-in groove place, enters into the state of next time striking sparks; The material of flexible glue layer, flexible glue layer and thickening layer is identical with the material of life jacket; But thickness is different; Wherein flexible glue layer and the effect of flexible glue layer be make between the device be connected more flexible; Thickening layer is to cause this layer to break in order to prevent because of the pressure in the air by-pass passage is excessive, so adopt thickening layer.
The effect of cushion rubber is sponged the unnecessary mechanical energy that produces because of electric ignition device extruding; The effect of thermal insulation layer is that the heat that is produced because of reaction is completely cut off at reaction zone; Prevent to make that because of the transmission of heat the life jacket local temperature is too high, make the people produce uncomfortable sensation.
Because adopt aforesaid technical scheme, the present invention has following preceence:
A kind of emergency survival clothing, through the emergency survival clothing that uses polyurethane, SEBS or other artificial synthesising macromolecule copolymers to process, run into drowned when dangerous through making the NaN in the air inflator system by the piezoelectricity ignition device
3And KNO
3React, moment produces a large amount of nitrogen, is airbag aeration, saves drowning person's life with this; The present invention has that air-tightness is strong, suppleness is high, in light weight, stickiness is strong, advantage such as comfortable and easy to wear, collapsible and easy to carry.
Description of drawings
Fig. 2 is the A portion electricity ignition device scheme drawing of Fig. 1;
Fig. 3 is a life jacket part and the decomposing schematic representation of electric ignition device;
Fig. 4 is the birds-eye view of electric ignition device;
Fig. 5 is the lateral plan of electric ignition device;
Fig. 6 is the structural representation at electric ignition device sidewall opening place;
Among the figure: 1-flexible glue layer; The 2-air by-pass passage; The 3-filter layer; The 4-reaction zone; The 5-isolation layer; The 6-button area; The 7-spring; The 8-adz-eye hammer; The 9-piezoceramic; The 10-lead; The 11-thickening layer; The 12-outside thread; 13-life jacket part; The 14-thermal insulation layer; The 15-iron plate; The 16-piezoceramic; 17-flexible glue layer; The 18-cushion rubber; 19-iron pin; The 20-spring; The 21-snap fastener; The 22-opening part; The 23-negative thread; The 24-consolidating layer; The 25-sidewall; The 26-passage.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain:
In conjunction with a kind of emergency survival clothing shown in the accompanying drawing 1-6, mainly form by two parts;
First is the life jacket material: its material can be made up of or thermoplastic elastic rubber SEBS constitutes or polyurethane PU and SEBS constitute polyurethane PU; Polyurethane has that permeability of heat is good, film is pliable and tough, does not have special odor and do not have allergic reaction, and more important is the influence that it does not receive various oil lubricants, and the polyurethane life jacket is insensitive to wet, heat and ultraviolet light, and is not perishable in storage process; Use its life jacket of processing to have nontoxic, characteristics such as intensity is high and permeability of heat is good;
The thermoplastic elastic rubber that SEBS (styrene ethylene butylenes Styren) is formed by styrene-butadiene block copolymer (SBS) selective hydrogenation preparation; Have good stretchability, low temperature resistance and processability; SEBS does not contain unsaturated double-bond, has UV stable, antioxygen property and thermally-stabilised preferably.Through the authentication of U.S. food Drug Administration; The SEBS material non-toxic can not produce irritated, variation and rejection to tissue, has that air-tightness is good, a heatproof, ageing-resistant performance; Can use thermophilic digestion and directly sterilization of ultraviolet ray, can be used as the basic material of medicine equipment.The life jacket that SEBS processes has high resiliency; High-termal conductivity, tasteless, allergic reaction is low etc., and this life jacket of advantage is a double membrane structure, has stronger air-tightness; In the middle of duplicature, fill, can guarantee that life jacket keeps pliable and tough and lubricated when storing with an amount of cornstarch or french talc;
Second portion is the electric ignition device on the life jacket
The electric ignition device of this emergency survival clothing is installed in the waist location of life jacket, and its its electric ignition device produces gas and comes from the inflation principle of safe automobile air bag for the gas filed principle of life jacket; In the reaction zone 4 of electric ignition device, lay solid chemical compound sodium azide NaN
3, potassium nitrate KNO3 and SiO2, running into drowned the grade in emergency circumstances, sodium azide and potassium nitrate in the air inflator system are reacted through by the button area on the piezoelectricity ignition device 6; This reaction is very rapid, and moment can produce a large amount of nitrogen, and the hot-fluid that nitrogen forms passes filter layer 3 and gets into air by-pass passage 2; Enter into air bag through the passage 26 between outside thread 12 and the negative thread 23 at last; Just the life jacket part 13, and life jacket is expanded rapidly, thereby are the life jacket inflation; The equation that its electric ignition device reacts is following:
①2NaN
3=2Na+3N
2↑； ②10Na+2KNO
3=K
2O+5Na
2O+N
2↑；
③K
2O+Na
2O+2SiO
2=Na
2SiO
3+K
2SiO
3；
Solid SiO
2K with the reaction generation
2O, Na
2O combines to generate silicate, can reduce the corrosive property that airbag uses the back waste, reduces environmental pollution;
Described electric ignition device: mainly processed by piezoceramic 9 and piezoceramic 16, piezoceramic is a kind of ceramic material that can mechanical energy and electric energy be changed mutually, belong to Inorganic Non-metallic Materials, and this is a kind of material with piezoeffect; The flint that in electronic lighter, just has piezoceramic to make, the sparking number of times can be more than 1,000,000 times;
Emergency survival clothing of the present invention, its polyurethane PU material is one type of high molecular polymer that on main chain, contains many carbamate groups (NHCOO-), is called polyurethane in the world, what have is translated into polyurethane, polyureas alkane etc.China's custom is commonly referred to as polyurethane with this base polymer.It mainly is that reaction prepares with each hydrogen-like donor chemical combination (polyol compound of hydroxyl usually) through polynary organic isocyanate.Through selecting different numbers and dissimilar functional groups, adopt different synthesis techniques, can change product form and performance significantly, obtain from softness to hard final products.Polyurethane chemistry has good stability, and can resist the corrosion of multiple soda acid and organic solvent, therefore often is used as the substitute of rubber under harsh environment.The mechanical property of polyurethane has very big adjustability, makes polyurethane material have and the natural emulsion comparable properties.Have characteristics such as nontoxic, that intensity is high, permeability of heat is good with its life jacket of processing.Compare with latex, it has, and permeability of heat is better, film is pliable and tough, no special odor, no allergic reaction, and more important is the influence that it does not receive various oil lubricants.In addition, the polyurethane life jacket is to warm, wet and ultraviolet light is insensitive, and is not perishable in storage process.
Emergency survival clothing of the present invention in Fig. 1, is electric ignition device at life jacket waist one circle, (being similar to the electric ignition device on the electronic lighter), the filtering installation of its an installation emission gases, all the other are cut in reaction unit; Through extruding, can produce spark, thereby excite reagent to react.
Working process of the present invention:
Clamp ignition device sidewall 25 with hand; The outside thread 12 of ignition device is connected with the negative thread 23 of life jacket part 13; Then the snap fastener 21 of life jacket part 13 upper ends is pressed cooresponding snap fastener position above ignition device, thereby can reach the purpose of thread-rolling screw junction; The material of threaded connection place itself belongs to a kind of life jacket material with certain suppleness, has certain elasticity, when connecting through screw thread; Produce squeezing action between screw thread and the screw thread; Make the air-tightness of threaded connection place strengthen, add the further connection and the extruding of snap fastener 21, thus the adaptation on the top that guaranteed to be threaded; Advance one and strengthened the air-tightness of threaded connection place, finally reached the purpose that stops gas leakage; On ignition device sidewall 25, be provided with opening part 22, the draw and insert-type structure that this opening part 22 carries out for the card of processing through materials such as metal or PVC, the insertion through card is carried out the filling of medicine with releasing; Consolidating layer 24 is used for reinforcing screw thread among the figure, makes screw thread can bear a part of pressure, and on the other hand, this also is stained with snap fastener 21 devices above consolidating layer 24, therefore can also bear a part of pulling force; According to shown in Figure 4, ventilation zone is as thickening layer 11 shadow region of marking, and air has only through this zone could pass through air by-pass passage 2 entering life jackets.
The core of electricity ignition device and the electric ignition device of electronic lighter are closely similar on structure and sparking principle, promptly through pressing button district 6, make spring 7 compress; Spring 7 is transferred to elastic potential energy moment of accumulation on the adz-eye hammer 8 then, and adz-eye hammer 8 changes into self kinetic energy with the elastic potential energy of spring 7, and moves downward; Then a part of kinetic energy is changed into the elastic potential energy of spring 20, another part kinetic energy makes kinetic energy be delivered to piezoceramic 9 through the iron pin through impacting iron pin 19; Extrusion and collision takes place with piezoceramic 16 in piezoceramic 9, thereby produces electric charge, and the charge transfer of generation is in iron plate 15; Lead through insulating barrier is arranged 10 comes out charge transport again, thereby forms electro spark, after electro spark forms; Spring 20 is converted into the elastic potential energy of self putting aside the kinetic energy of adz-eye hammer 8; Adz-eye hammer 8 is pushed to, and adz-eye hammer 8 promptly stops after entering into the draw-in groove place, enters into the state of next time striking sparks; Electro spark excites sodium azide and the potassium nitrate in the reaction zone 4 that is surrounded by isolation layer 5 to react; This reaction is very rapid, and moment can produce a large amount of nitrogen, and the hot-fluid that nitrogen forms passes filter layer 3 and gets into air by-pass passage 2; Enter into air bag through outside thread 12 and negative thread 23 at last; Just the life jacket part 13, and life jacket is expanded rapidly, thereby are the life jacket inflation; The material of flexible glue layer 1, flexible glue layer 17 and thickening layer 11 is identical with the material of life jacket; But thickness is different; Wherein flexible glue layer 1 and the effect of flexible glue layer 17 be make between the device be connected more flexible; Thickening layer 11 is in order to prevent because of excessive this layer that causes of pressure in the air by-pass passage 2 breaks, so adopt thickening layer.
The effect of cushion rubber 18 is sponged the unnecessary mechanical energy that produces because of electric ignition device extruding; The effect of thermal insulation layer 14 is that the heat that is produced because of reaction is completely cut off at reaction zone; Prevent to make that because of the transmission of heat the life jacket local temperature is too high, make the people produce uncomfortable sensation.
Life jacket integral color and people's skin color is close, processes the shape that is translucent, duplicature by polyurethane, SEBS or other artificial synthesising macromolecule copolymers; Air-tightness is strong, and suppleness is high, and in light weight, stickiness is strong; Comfortable and easy to wear, less, collapsible, easy to carry to the swimming influence; When the swimmer faces a danger (drowned etc. phenomenon), can be by the piezoelectricity ignition device, make life jacket inner moment produce gas; Form real life jacket, save lives also can be worn when swimming at ordinary times; As swimsuit usefulness, except the life jacket style shown in Fig. 1, also can make the life jacket of other style according to demand; Its electric ignition device also can optionally be installed in the appropriate location of life jacket according to actual needs, and not only only is mounted in the waist of life jacket.
Above-described embodiment is a kind of of the specific embodiment of the present invention, and common variation that those skilled in the art carries out in technical scheme scope of the present invention and replacement all should be included within protection scope of the present invention.
The present invention does not detail part and is prior art, therefore is not described further.
Claims (3)
1. an emergency survival clothing mainly is made up of two parts;
First is the life jacket material: its material can be made up of or thermoplastic elastic rubber SEBS constitutes or polyurethane PU and SEBS constitute polyurethane PU; Polyurethane has that permeability of heat is good, film is pliable and tough, does not have special odor and do not have allergic reaction, and more important is the influence that it does not receive various oil lubricants, and the polyurethane life jacket is insensitive to wet, heat and ultraviolet light, and is not perishable in storage process; Use its life jacket of processing to have nontoxic, characteristics such as intensity is high and permeability of heat is good;
SEBS has good stretchability, low temperature resistance and processability, and it does not contain unsaturated double-bond, has UV stable, inoxidizability and heat stability preferably; Through the authentication of U.S. food Drug Administration; The SEBS material non-toxic can not produce irritated, variation and rejection to tissue, has that air-tightness is good, high temperature resistant, ageing-resistant performance; Can use thermophilic digestion and directly sterilization of ultraviolet ray, can be used as the basic material of medicine equipment; The life jacket that SEBS processes has advantages such as high resiliency, high caloric conductibility, tasteless and allergic reaction be low;
This life jacket is a double membrane structure, has stronger air-tightness, in the middle of duplicature, fills with an amount of cornstarch or french talc, can guarantee that life jacket keeps pliable and tough and lubricated when storing;
Second portion is the electric ignition device on the life jacket
The electric ignition device of this emergency survival clothing is installed in the waist location of life jacket, and its electric ignition device produces gas and comes from the inflation principle of safe automobile air bag for the gas filed principle of life jacket; In the reaction zone (4) of electric ignition device, lay solid chemical compound sodium azide NaN
3, potassium nitrate KNO3 and SiO2, running into drowned the grade in emergency circumstances, sodium azide and potassium nitrate in the air inflator system are reacted through by the button area on the piezoelectricity ignition device (6); This reaction is very rapid, and moment can produce a large amount of nitrogen, and the hot-fluid that nitrogen forms passes filter layer (3) and gets into air by-pass passage (2); Enter into air bag through the passage (26) between outside thread (12) and the negative thread (23) at last; Life jacket part (13) just is provided with the passage of hollow in the middle of this negative thread, be convenient to gas flow; Life jacket is expanded rapidly, thereby be the life jacket inflation; The equation that its electric ignition device reacts is following:
①2NaN
3=2Na+3N
2↑； ②10Na+2KNO
3=K
2O+5Na
2O+N
2↑；
③K
2O+Na
2O+2SiO
2=Na
2SiO
3+K
2SiO
3；
Solid SiO
2K with the reaction generation
2O, Na
2O combines to generate silicate, can reduce the corrosive property that airbag uses the back waste, reduces environmental pollution;
Described electric ignition device: mainly process by piezoceramic (9) and piezoceramic (16); Piezoceramic be a kind of can be with mechanical energy and the electric energy ceramic material of conversion mutually; Belong to Inorganic Non-metallic Materials, this is a kind of material with piezoeffect; The flint that in electronic lighter, just has piezoceramic to make, the sparking number of times can be more than 1,000,000 times;
The outside thread (12) of electricity ignition device is connected with the negative thread (23) of life jacket part (13); Can the snap fastener (21) of life jacket part (13) upper end be pressed cooresponding snap fastener position above ignition device, thereby can reach the purpose of thread-rolling screw junction; The material that the threaded connection place is selected for use is a kind of life jacket material with certain suppleness; Has certain elasticity; Outside thread (12) is connected with the negative thread (23) of life jacket part (13) can produce squeezing action, makes the air-tightness of threaded connection place strengthen, and snap fastener (21) is captiveed joint with life jacket part (13); Be buckled in the corresponding snap fastener of ignition device position through snap fastener (21), stop gas leakage; On ignition device sidewall (25), be provided with opening part (22), the draw and insert-type structure that this opening part (22) carries out for the card processed through materials such as metal or PVC, the insertion through card is carried out the filling of medicine with releasing; Consolidating layer among the figure (24) can be reinforced screw thread, makes threads carry part pressure, also is stained with snap fastener (21) device above this consolidating layer (24), therefore can also bear a part of pulling force; Shown in figure (4), ventilation zone is as thickening layer (11) shadow region of marking, and air has only through this zone could pass through air by-pass passage (2) entering life jacket.
2. through pressing button district (6), make spring (7) compression, spring (7) is transferred to elastic potential energy moment of accumulation on the adz-eye hammer (8) then; Adz-eye hammer (8) changes into self kinetic energy with the elastic potential energy of spring (7), and moves downward, and then a part of kinetic energy is changed into the elastic potential energy of spring (20); Another part kinetic energy makes kinetic energy be delivered to piezoceramic (9) through the iron pin through impacting iron pin (19), and piezoceramic (9) with piezoceramic (16) extrusion and collision takes place; Thereby the generation electric charge, the charge transfer of generation is come out charge transport through the lead (10) that insulating barrier is arranged in iron plate (15) again; Thereby formation electro spark; After electro spark formed, spring (20) was converted into the kinetic energy of adz-eye hammer (8) with the elastic potential energy of self savings, and adz-eye hammer (8) is pushed to; Promptly stop after adz-eye hammer (8) enters into the draw-in groove place, enter into the state of next time striking sparks; The material of flexible glue layer (1), flexible glue layer (17) and thickening layer (11) is identical with the material of life jacket; But thickness is different; Wherein flexible glue layer (1) and the effect of flexible glue layer (17) be make between the device be connected more flexible; Thickening layer (11) is in order to prevent because of excessive this layer that causes of pressure in the air by-pass passage (2) breaks, so adopt thickening layer.
3. the effect of cushion rubber (18) is sponged the unnecessary mechanical energy that produces because of electric ignition device extruding; The effect of thermal insulation layer (14) is that the heat that is produced because of reaction is completely cut off at reaction zone; Prevent to make that because of the transmission of heat the life jacket local temperature is too high, make the people produce uncomfortable sensation.
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|---|---|---|---|
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058080A (en) * | 2014-07-03 | 2014-09-24 | 安庆市鸿裕工业产品设计有限公司 | Life jacket with expansion compressed bags |
| CN104477344A (en) * | 2014-12-17 | 2015-04-01 | 西安鸿德节能科技有限公司 | Air bag device used for seaborne emergency rescue and salvage |
| CN104667440A (en) * | 2015-02-13 | 2015-06-03 | 王辉 | High-altitude self rescue air bag |
| CN106379501A (en) * | 2016-09-21 | 2017-02-08 | 中国人民解放军第二军医大学 | Self-inflating type anti-explosion thermal insulation life jacket |
| CN108146596A (en) * | 2017-12-22 | 2018-06-12 | 安徽省宿州市第二中学 | A kind of hydraulic pressure lifesaving appliance |
| CN108608699A (en) * | 2018-04-04 | 2018-10-02 | 浙江想能睡眠科技股份有限公司 | A kind of airtight composite material-feeding of height and preparation method thereof of soft or hard adjustable bed mattess application |
| WO2020125338A1 (en) * | 2018-12-21 | 2020-06-25 | 蔡信永 | Water lifesaving device |
| CN111618507A (en) * | 2020-06-10 | 2020-09-04 | 天津华翔汽车金属零部件有限公司 | Multifunctional application mechanism for lever detection of welding fixture |
| CN111746761A (en) * | 2020-06-23 | 2020-10-09 | 万舟救生装备(东台)有限公司 | Multifunctional torrent rescue life jacket with high safety and use method |
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Application publication date: 20120328 |