CN112278199B - Self-heating warm-keeping life jacket - Google Patents
Self-heating warm-keeping life jacket Download PDFInfo
- Publication number
- CN112278199B CN112278199B CN202011147710.9A CN202011147710A CN112278199B CN 112278199 B CN112278199 B CN 112278199B CN 202011147710 A CN202011147710 A CN 202011147710A CN 112278199 B CN112278199 B CN 112278199B
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- cloth
- life jacket
- friction heat
- closed cavity
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 106
- 230000001788 irregular Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 230000020169 heat generation Effects 0.000 abstract description 20
- 208000034699 Vitreous floaters Diseases 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000013535 sea water Substances 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 238000004321 preservation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 206010013647 Drowning Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/11—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/11—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
- B63C9/115—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses using solid buoyant material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
A self-heating warm-keeping life jacket belongs to the technical field of life jackets and discloses a cloth structure of a life jacket main body, which consists of inner-layer cloth, middle-layer cloth and outer-layer cloth, and forms an inner-layer closed cavity and an outer-layer closed cavity; the outer-layer closed cavity is filled with floaters, the inner-layer closed cavity is provided with two friction heat-generating pieces, the fastening belt is a double-layer fastening belt with a long outer part and a short inner part, the cloth of the life jacket body is divided into a plurality of blocks, cross wings are arranged on the outer side surface of the outer-layer cloth of each block, the middle-layer cloth is heat-insulation cloth, and a plurality of irregular micro-particle-shaped bulges are generated on the friction surfaces of the friction heat-generating pieces; the beneficial effects are that can effectively utilize the impact force of wave, make the friction heat generation piece rub mutually and produce the heat to make the heat to the inlayer conduction, provide heat for the personnel that fall into water automatically and keep warm.
Description
Technical Field
The invention belongs to the technical field of life jackets, and particularly relates to a self-heating warm-keeping life jacket.
Background
With the vigorous development of marine traffic, accidents of marine operators caused by falling into water sometimes occur, the life jacket is an essential life-saving tool in the process of marine navigation, and drowning death can be effectively reduced by wearing the life jacket when the accidents occur.
When a person soaks in water, heat loss is large. Ordinary people die after 10-20 min in seawater with the water temperature of 5-15 ℃ and under the condition of similar air temperature due to physiological disturbance and loss of consciousness caused by low temperature; however, the existing life jacket has a single structure and simple functions, and many shipwrecks can lose lives due to the fact that the body temperature is reduced and heat sources cannot be supplemented in the process of floating in the sea for a long time to wait for rescue.
Thus, patent document CN 105383650B discloses a low-voltage electrothermal warm-keeping life jacket, in which a first electrothermal film and a second electrothermal film are respectively glued and embedded on the chest and the back waist of a single piece in the back front garment, a temperature controller with a lead wire is glued and embedded on the left side of the second electrothermal film, a third electrothermal film is glued and embedded on the left front chest position in the left front garment, a fourth electrothermal film is glued and embedded on the right front chest position in the right front garment, a fifth electrothermal film is glued and embedded on the right brain center position of the side close to the cap inflatable layer in the warm-keeping hat, built-in fastening belts are respectively arranged at the neck of the waist and the warm-keeping hat, and cuff positions of the left warm-keeping sleeve and the right warm-keeping sleeve, an upper button is further arranged on the warm-keeping hat surface of the warm-keeping hat, and a lower button is arranged on the back garment surface; the low-voltage battery is used for supplying power, heating and warm keeping are achieved in a low-temperature environment, and survival probability of people falling into water is improved. However, the scheme needs a battery to provide power, the common life jacket is not available for use for a long time, once the life jacket is used, the effectiveness of the battery is difficult to ensure, and particularly, a person falling into water can easily use the battery when waiting for rescue, and cannot obtain subsequent power supply.
Disclosure of Invention
The invention aims to solve the technical problem and provides a life jacket which can provide heat for a long time by utilizing the power generated by seawater waves to enable devices in the life jacket to rub with each other and heating through friction, thereby improving the survival probability of people falling into water.
In order to solve the technical problem, the invention adopts the technical scheme that the self-heating warm-keeping life jacket comprises a life jacket main body, wherein the cloth for manufacturing the life jacket main body is high-strength waterproof cloth, and the self-heating warm-keeping life jacket is characterized in that the cloth structure for manufacturing the life jacket main body is composed of inner-layer cloth, middle-layer cloth and outer-layer cloth, wherein the inner-layer cloth and the middle-layer cloth form a waterproof inner-layer closed cavity, and the middle-layer cloth and the outer-layer cloth form a waterproof outer-layer closed cavity; the outer layer closed cavity is filled with floaters, the floaters comprise sponge, EPS foam and the like, and are used for supporting the volume of the outer layer closed cavity to generate buoyancy; the inner-layer closed cavity is provided with two friction heat generating pieces, namely a first friction heat generating piece and a second friction heat generating piece, wherein the first friction heat generating piece is fixedly arranged on the inner-layer cloth, the second friction heat generating piece is fixedly arranged on the middle-layer cloth, and when the inner-layer closed cavity is completely expanded, the first friction heat generating piece and the second friction heat generating piece are in a parallel state and have a certain distance. Like this, when the person of falling into the water floats in the sea water when wearing this kind of life vest, along with the impact of wave, the outer closed chamber that the cladding has the floater can be along with the wave back and forth movement, at this moment middle level cloth also can be along with the motion, fixed mounting also can be along with the back and forth movement at the second friction heat generation piece on middle level cloth, because the first friction heat generation piece of fixation on the inner level cloth has a certain distance with second friction heat generation piece, when second friction heat generation piece comes the motion back, the motion of first friction heat generation piece can be lagged, like this, can produce the friction between first friction heat generation piece and the second friction fin, produce the heat then.
Further, when the first friction heat generating sheet and the second friction heat generating sheet are spread in a parallel state, the distance between the first friction heat generating sheet and the second friction heat generating sheet is 0.3-10mm, more preferably 1.0-5.0mm, and the most preferably 2.5 mm.
The life jacket further comprises a buckle belt, and the root of the buckle belt is directly installed on the inner-layer cloth. Therefore, the middle layer cloth and the outer layer cloth can move fully along with the sea waves.
Furthermore, the buckle belt is bifurcated into a double-layer buckle belt from a position close to the root part, namely an inner-layer buckle belt and an outer-layer buckle belt, wherein the root part of the inner-layer buckle belt is fixedly arranged on the inner-layer cloth, and the root part of the outer-layer buckle belt is fixedly arranged on the middle-layer cloth; wherein the length of the outer strap is longer than the length of the inner strap, preferably 5-15 mm. The double-layer belt with the long outer layer and the short inner layer is made, the inner-layer belt can be fastened with the inner-layer cloth, the outer-layer belt is fastened with the middle-layer cloth in a loose and slow mode, when the double-layer belt is impacted by sea waves, the first friction heat generating piece and the second friction heat generating piece cannot move synchronously, the stroke of the second friction heat generating piece is longer, and the friction heat generating effect is further effectively increased.
Furthermore, the cloth of the life jacket main body is divided into a plurality of blocks, each block is provided with an independent inner-layer closed cavity and an independent outer-layer closed cavity, two friction heating sheets fixedly arranged on the inner-layer cloth and the middle-layer cloth in the inner-layer closed cavity, and floaters filled in the outer-layer closed cavity; thus, once one block is damaged and leaks water during use, other blocks can be normally used.
Furthermore, the outer side surface of the outer layer cloth of each block is provided with a cross wing, and the cross wing is formed by vertically and fixedly mounting two mutually vertical sheet strips on the outer surface of the outer layer cloth; therefore, the cross wings can strengthen the impact force of sea waves on the sail like the sail, so that the impact force of the sea waves on the outer-layer floating objects and the second friction heat generation piece is improved, and the friction force and the friction heat generation quantity are increased.
Furthermore, the cross-shaped wings are fixedly arranged on the outer surface of the outer-layer cloth in an inclined manner; thus, when a person falling into water puts on the device, one of the sheet strips in the cross wings can be impacted no matter which angle the sea waves impact.
The length of the flaky strip is 5-15cm, the height is 7-10mm, and the thickness is 0.1-1.5 mm.
The middle layer cloth is heat preservation and insulation cloth.
The friction heat generating sheet is a sheet material block, and a plurality of irregular particle-shaped bulges are directly generated on the friction surface of the friction heat generating sheet.
The friction heat generating sheet is made of graphene materials, and can also be made of other materials which can generate heat through friction.
The invention has the advantages that the life jacket is provided with an outer-layer closed cavity and an inner-layer closed cavity, the outer-layer closed cavity is used for containing floating objects, the inner-layer closed cavity is provided with two friction heat-generating pieces, particularly, the outer surface of the outer-layer closed cavity is also provided with cross wings, the buckle belt is made into a double-layer buckle belt with a long outer part and a short inner part, and heat-insulating materials are adopted as middle-layer cloth, so that the impact force of sea waves can be effectively utilized, the friction heat-generating pieces can rub with each other to generate heat, the heat is conducted to the inner layer, heat preservation is automatically provided for people falling into water, the cold resistance of the people falling into water in seawater is effectively improved, and the waiting time is prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the self-heating warm-keeping life jacket in embodiments 1 and 2.
Fig. 2 is a cross-sectional structure diagram of the cloth structure of the life jacket main body according to the present invention.
Fig. 3 is a structural schematic view of a double-layer buckle belt with a long outer part and a short inner part on the life jacket.
Fig. 4 is a schematic view showing the whole structure of the life jacket provided with the cross wings in embodiment 3.
In the figure: 1. the life jacket comprises a life jacket body, 2 parts of inner layer cloth, 3 parts of middle layer cloth, 4 parts of outer layer cloth, 5 parts of inner layer closed cavity, 6 parts of outer layer closed cavity, 7 parts of floating objects, 8 parts of first friction heat generating piece, 9 parts of second friction heat generating piece, 10 parts of heat preservation and insulation cloth, 11 parts of buckle belt, 12 parts of double-layer buckle belt, 13 parts of inner layer buckle belt, 14 parts of outer layer buckle belt, 15 parts of single-side length of outer layer buckle belt, 16 parts of single-side length of inner layer buckle belt, 17 parts, 18 parts of cross wings and 19 parts of sheet strips.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to illustrate the invention but not to limit it further, and should not be construed as limiting the scope of the invention.
Example 1.
As shown in the figure, the self-heating warm-keeping life jacket is manufactured, and is improved on the basis of the existing life jacket, the existing life jacket comprises a life jacket main body, cloth of the life jacket main body is made of high-strength waterproof cloth, the cloth structure on the life jacket main body is made into three layers, namely inner layer cloth, middle layer cloth and outer layer cloth, which are all made of nylon fabric, the inner layer cloth and the middle layer cloth are made into waterproof inner layer closed cavities, and the middle layer cloth and the outer layer cloth are made into waterproof outer layer closed cavities; floating objects are filled in the outer-layer closed cavity, and the floating objects are made of sponge materials, so that the outer-layer closed cavity can be expanded by the sponge to generate buoyancy in water; simultaneously be in the inlayer closed chamber sets up two friction heat generation pieces, and these two friction heat generation pieces are called first friction heat generation piece and second friction heat generation piece respectively, and wherein first friction heat generation piece fixed mounting is on the inlayer cloth, and second friction heat generation piece fixed mounting is on the middle level cloth, and the mutual position relation of these two friction heat generation pieces is: when the inner layer closed cavity is completely expanded, the first friction heat generating sheet and the second friction heat generating sheet are in a parallel state and have a certain distance; the distance between the first friction heat generating sheet and the second friction heat generating sheet is 0.3-10mm, and the distance is 2.5mm in the embodiment; in the embodiment, heat insulation paint is coated on the middle layer cloth to prepare heat insulation cloth; the friction heat generating sheet is made of graphene materials, the friction heat generating sheet is made into a sheet material block, and numerous irregular particulate protrusions are directly generated on the friction surface of the sheet material block to increase the friction coefficient and further increase the friction heat generating effect; meanwhile, the root of the fastening belt of the life jacket is directly arranged on the inner-layer cloth, and the fastening belt is not arranged on the middle-layer cloth and the outer-layer cloth, so that when the fastening belt is fastened on a person falling into water, the inner-layer cloth can be stably worn on the person falling into water, and the middle-layer cloth and the outer-layer cloth are relatively unconstrained and can fully move along with sea waves, so that friction is smoothly generated.
Therefore, when a person falling into water floats in seawater by wearing the life jacket, the outer-layer closed cavity coated with the floating objects can move back and forth along with waves along with the impact of sea waves, the middle-layer cloth can also move along with the waves, and the second friction heat generating piece fixedly arranged on the middle-layer cloth can also move back and forth along with the waves; because the friction surface is provided with a large number of particle bulges, a large amount of heat can be generated by friction, and because the middle layer cloth is coated with the heat insulation paint, the heat can be radiated to the inner layer cloth direction more, so that a wearer can feel more heat.
Example 2.
Further, on the basis of embodiment 1, the fastening tape is bifurcated from a position close to the root into a double-layer fastening tape called an inner-layer fastening tape and an outer-layer fastening tape, wherein the root of the inner-layer fastening tape is fixedly arranged on the inner-layer cloth, and the root of the outer-layer fastening tape is fixedly arranged on the middle-layer cloth; the length of the single side of the outer-layer buckle belt is made to be longer than that of the single side of the inner-layer buckle belt, preferably 5-15mm, and the length of the single side of the outer-layer buckle belt is made to be 7mm longer than that of the single side of the inner-layer buckle belt in the embodiment; the double-layer buckle belt with the long outer layer and the short inner layer is made, the inner layer buckle belt can be used for tightly buckling the inner layer cloth, the outer layer buckle belt is tied to the middle layer cloth in a loose and slow mode, when the double-layer buckle belt is impacted by sea waves, the first friction heat generation piece and the second friction heat generation piece cannot move synchronously along with the impact of the sea waves, the stroke of the second friction heat generation piece is longer, and therefore the friction heat generation effect is effectively increased.
Example 3.
Further, on the basis of embodiment 2, the cloth of the lifejacket main body is divided into a plurality of blocks, each block is provided with an inner layer cloth, a middle layer cloth and an outer layer cloth, the inner layer cloth, the middle layer cloth and the outer layer cloth are arranged to be independent, two friction heat generating pieces are fixedly arranged on the inner layer cloth and the middle layer cloth in the inner layer closed cavity, and floaters are fully filled in the outer layer closed cavity.
Further, cross wings are arranged on the outer side surface of the outer layer cloth of each block, and the cross wings are vertically and fixedly arranged on the outer surface of the outer layer cloth through two mutually vertical sheet strips; the cross-shaped wings are fixedly arranged on the outer surface of the outer-layer cloth in an inclined manner; the embodiment is made into an angle of 45 degrees, namely when the life jacket is worn and the life jacket stands, the sheet-shaped strips of the cross wings form an angle of 45 degrees with the horizontal plane; the length of the flaky strip is 5-15cm, the height is 7-10mm, and the thickness is 0.1-1.5 mm. In this embodiment, the strip sheets are made into strips with a length of 10cm, a height of 8.5mm and a thickness of 1.0 mm; the cross wings can enhance the impact force of sea waves on the sail like the sail, so that the impact force of the sea waves on the outer-layer floating objects and the second friction heat generating sheet is improved, the friction force is increased, and the friction heat generating amount is increased; thereby increasing the impact force of the sea waves on the floating objects and improving the friction force of the friction heat generating sheet.
The self-heating warm-keeping life jacket can effectively utilize the impact force of sea waves, so that the friction heat-generating pieces mutually rub to generate heat, the heat is conducted to the inner layer, heat preservation is automatically provided for people falling into water, the cold resistance of the people falling into water in the sea is effectively improved, and the waiting time is prolonged; the life jacket is not closed and tight for the whole body, the clothes of the person falling into the water can be wetted by the seawater, the heat on the human body can be taken away by the flowing of the seawater, the product can only transfer the generated heat to the person falling into the water, but the heat cannot be stored, and the heat can be supplemented properly to prolong the life-saving waiting time of the person falling into the water.
Claims (11)
1. An automatic heating warm-keeping life jacket comprises a life jacket main body, wherein cloth for manufacturing the life jacket main body is high-strength waterproof cloth, and the automatic heating warm-keeping life jacket is characterized in that the cloth is divided into inner-layer cloth, middle-layer cloth and outer-layer cloth, wherein the inner-layer cloth and the middle-layer cloth form a waterproof inner-layer closed cavity, and the middle-layer cloth and the outer-layer cloth form a waterproof outer-layer closed cavity; the outer layer closed cavity is filled with floating objects; the inner-layer closed cavity is provided with two friction heat generating sheets; the first friction heat generating sheet is fixedly arranged on the inner-layer cloth, the second friction heat generating sheet is fixedly arranged on the middle-layer cloth, and when the inner-layer closed cavity is completely expanded, the first friction heat generating sheet and the second friction heat generating sheet are in a parallel state and have a certain distance.
2. The self-heating warm-keeping life jacket according to claim 1, wherein the distance between the first friction heat generating sheet and the second friction heat generating sheet is 0.3-10 mm.
3. The self-heating warm-keeping life jacket of claim 2, wherein the distance between the first friction heat generating sheet and the second friction heat generating sheet is 2.5 mm.
4. The self-heating warm-keeping life jacket of claim 3, further comprising a buckle, wherein a root of the buckle is directly mounted on the inner cloth.
5. The automatic heating warm-keeping life jacket according to claim 4, wherein the buckle strap is bifurcated from a position near the root into a double-layer buckle strap called an inner-layer buckle strap and an outer-layer buckle strap, wherein the root of the inner-layer buckle strap is fixedly arranged on the inner-layer cloth, and the root of the outer-layer buckle strap is fixedly arranged on the middle-layer cloth; wherein the length of the outer-layer buckle belt is 5-15mm longer than that of the inner-layer buckle belt.
6. The automatic heating and warming life jacket of claim 5, wherein the cloth of the life jacket main body is divided into a plurality of blocks, and each block is provided with an inner closed cavity and an outer closed cavity which are independent.
7. The automatic heating warm-keeping life jacket according to claim 6, wherein a plurality of cross wings are arranged on the outer surface of the outer layer cloth, and the cross wings are two mutually perpendicular sheet-shaped strips vertically and fixedly arranged on the outer surface of the outer layer cloth.
8. The automatic heating warm-keeping life jacket according to claim 7, wherein the cross wing is fixedly installed on the outer surface of the outer cloth in an inclined shape.
9. The automatic heating warm-keeping life jacket as claimed in claim 8, wherein the middle layer of cloth is a heat-insulating cloth.
10. The self-heating warm-keeping life jacket of claim 9, wherein the friction heat-generating sheet is a sheet-like material, and numerous irregular particulate protrusions are directly formed on the friction surface of the friction heat-generating sheet.
11. The automatic heating warm-keeping life jacket according to claim 10, wherein the friction heating sheet is made of graphene material; the floater is sponge or EPS foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011147710.9A CN112278199B (en) | 2020-10-23 | 2020-10-23 | Self-heating warm-keeping life jacket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011147710.9A CN112278199B (en) | 2020-10-23 | 2020-10-23 | Self-heating warm-keeping life jacket |
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| Publication Number | Publication Date |
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| CN112278199A CN112278199A (en) | 2021-01-29 |
| CN112278199B true CN112278199B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011147710.9A Active CN112278199B (en) | 2020-10-23 | 2020-10-23 | Self-heating warm-keeping life jacket |
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|---|---|---|---|---|
| JP2000177688A (en) * | 1998-12-14 | 2000-06-27 | Nishiki Tabi Kk | Belt type buoyancy auxiliary goods |
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| CN207666088U (en) * | 2017-08-29 | 2018-07-31 | 江苏宏沃高分子材料有限公司 | A kind of waters rescue shoes |
| CN109823494A (en) * | 2019-02-25 | 2019-05-31 | 上海海事大学 | A kind of automatic heating defends clothing formula life jacket |
| CN109895975A (en) * | 2017-12-07 | 2019-06-18 | 朴永赞 | Suit waterborne |
| CN209833958U (en) * | 2019-03-11 | 2019-12-24 | 北京理工大学 | Inflatable life jacket |
| WO2020053956A1 (en) * | 2018-09-11 | 2020-03-19 | 家歳 上田 | Fabric for wetsuit and wetsuit comprising said fabric |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1456314A1 (en) * | 1965-05-11 | 1969-05-29 | Glanzstoff Ag | Cold protection and emergency rescue suit |
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| AR074300A1 (en) * | 2009-11-06 | 2011-01-05 | Nunez Karina Beatriz | SALVAMENT SUIT FOR WATCHES |
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2020
- 2020-10-23 CN CN202011147710.9A patent/CN112278199B/en active Active
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|---|---|---|---|---|
| JP2000177688A (en) * | 1998-12-14 | 2000-06-27 | Nishiki Tabi Kk | Belt type buoyancy auxiliary goods |
| CN105383650A (en) * | 2015-12-17 | 2016-03-09 | 青岛华高墨烯科技股份有限公司 | Low voltage electrothermal warming life jacket |
| CN207666088U (en) * | 2017-08-29 | 2018-07-31 | 江苏宏沃高分子材料有限公司 | A kind of waters rescue shoes |
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| CN109895975A (en) * | 2017-12-07 | 2019-06-18 | 朴永赞 | Suit waterborne |
| WO2020053956A1 (en) * | 2018-09-11 | 2020-03-19 | 家歳 上田 | Fabric for wetsuit and wetsuit comprising said fabric |
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| CN112278199A (en) | 2021-01-29 |
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