CN105835385A - Integral ultrathin superhigh-pressure air bag and preparation method thereof - Google Patents
Integral ultrathin superhigh-pressure air bag and preparation method thereof Download PDFInfo
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- CN105835385A CN105835385A CN201610189820.9A CN201610189820A CN105835385A CN 105835385 A CN105835385 A CN 105835385A CN 201610189820 A CN201610189820 A CN 201610189820A CN 105835385 A CN105835385 A CN 105835385A
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- Prior art keywords
- bag
- air bag
- supertension
- thin
- outer bag
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/02—Inflatable articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
- F17C1/04—Protecting sheathings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2127—Moulding by blowing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
Abstract
The invention relates to an integral ultrathin superhigh-pressure air bag and a preparation method thereof. The air bag comprises an outer bag and an inner container. The outer bag is prepared from high strength fibers through integral braiding and is provided with a reserved opening as an outer layer of an air inlet/outlet in weaving. The inner container is prepared from a thermoplastic material through a blow molding method based on the outer bag inner wall as a mold and naturally forms an opening as an inner layer of the air inlet/outlet after blow molding. The preparation method comprises braiding the outer bag, expanding the outer bag and blowing-preparing the inner container in the outer bag. Compared with the existing superhigh-pressure air bag, the integral ultrathin superhigh-pressure air bag realizes firm bonding of a fabric outer bag and an inner container, is an uniform integral ultrathin superhigh-pressure air bag and has the advantages of folding, high pressure resistance, wear resistance, corrosion resistance, long life and high construction efficiency.
Description
Technical field
The present invention relates to monoblock type ultra-thin supertension air bag and preparation method thereof, can be widely used for the fields such as the upper and lower water of boats and ships, weight carrying, gas shield dam, deep-sea salvaging.
Background technology
The purposes of air bag is numerous, the most common, such as air bag in automobile, produce in salvaging air bag in the upper and lower water ballonet of ship used, rescue etc..Existing air bag uses woven fabric to coat polyester substantially, the thermoplastics such as PVC prepare or use vulcanite technique to form through adhesive bonding after preparing sheet material through simple stitching, the air bag intensity using simple sewing process to prepare is low, suture pinprick leaks gas, poor air-tightness, working time is short, need extraneous make-up gas, and the same intensity of air bag that uses vulcanite technique to prepare is low, the most pressure, poor stability, and thickness is big after vulcanite, not foldable, storage difficulty, there is also the shortcomings such as ageing of rubber, it is dfficult to apply to need high-strength high pressure resistant, wear-resistant, air-tightness is excellent, damping, buffering performance is good, collapsible, length etc. in service life field.
Reinforcement material is manufactured by patent CN 104595691 A split supertension air bag with gastight material split, although being convenient for changing gastight material, but creasing easily in folding in large scale air bag, fast aeration can cause airtight construction to open difficulty, moment pressure-bearing is relatively big and breakage occurs.
Patent CN 104908347 A mono-kind is wound after boning with the supertension air bag sulfuration that vulcanizing press temperature-pressure vulcanizes, increase bearing capacity, but complex process, can only prepare the air bag of size rule, helpless to some special dimension special-shaped superhigh pressure air bags.
In patent CN 104908347 A mono-kind prefabricated damping supertension air bag and production technology thereof, supertension air bag can pressure-bearing be 1-5 atmospheric pressure, and can bear the atmospheric pressure of about 60 at many applications requirement air bags.
It addition, have not yet to see commercially available entirety ultra-thin supertension air bag, can repeatedly inflate use, for fields such as deep water salvaging, weight carrying, the flood control disaster relief.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of monoblock type ultra-thin supertension air bag and preparation method thereof.
This monoblock type ultra-thin supertension air bag, including outer bag and inner bag, described outer bag uses high-intensity fiber to be made by integral weaving mode, reserved flatly as the outer layer of porting during braiding；Described inner bag is used thermoplastic, is made by blowing mode for mould with the inwall of outer bag, has been blow molded rear nature with flatly as porting internal layer.
The method of the monoblock type ultra-thin supertension air bag described in preparation, comprises the steps:
Step a, employing high-performance fiber carry out integral weaving according to design shape and size, obtain shape such as the outer bag of flexible pocket；
Step b, the mouth of outer bag being installed on blow moulding machine discharge outlet, and be inflated outer bag making it be sufficiently spread out, the tolerance that now aeration quantity and the body wall from outer bag escape reaches balance；
Step c, in blow moulding machine add thermoplastic be blow molded, gradually expansion along with the air-tightness cryptomere inner bag blown out, the outer wall of inner bag moves closer to the inwall of outer bag, after the outer wall of inner bag with the contact internal walls of outer bag, due to inner bag still suffer from expand trend but by outer bag as mould stopped time, therebetween producing certain active force, simultaneously because now thermoplastic is in semi-molten state, the outer wall of inner bag is together with the inwall gapless tight adhesion of outer bag.Overall after first split manufacture air bag, be that inner bag ensures air-tightness in order to guarantee that outer bag can bear high pressure, it is to avoid split air bag inner bag in gas replenishment process can not be opened in time and bear high pressure and breakage occurs, and therefore carries out inner bag and outer bag being combined being integrally formed.
Further, described outer bag uses high-intensity fiber integral weaving to form, described high-intensity fiber is p-aramid fiber or polyarylate or nylon fibre, it is different that the outer bag of the different size of different fiber model braidings bears pressure, as a example by p-aramid fiber, specification is 400-3000D, and intensity is more than 15cN/Dtex, percentage elongation is 2.5～5%, and after braiding, woven fabric grammes per square metre is 80～400g/m2, pressure-bearing can reach 4～8MPa.
Further, outer bag grammes per square metre is 50～400g/m2, air bag grammes per square metre is 80～800g/m2, thickness is 0.2～1.5mm, pressure-bearing 2～8MPa.
Further, one layer of resin glued membrane of described high-intensity fiber surface impregnation, described resin is thermoplastic, including polyethylene, polyvinyl alcohol or polyurethane.Use latex bonded fibre integral weaving outer bag, can not only ensure that fiber does not disperses during braiding, ensure fiber not sliding after braiding, improve the adhesion strength of outer bag and inner bag, be conducive to outer bag in later stage inner bag is blow molded preferably to keep being sufficiently spread out state simultaneously.
Further, described liner material includes polyethylene, polrvinyl chloride, polyvinyl alcohol or polyurethane.
Further, monoblock type according to claim 1 ultra-thin supertension air bag, it is characterised in that: described inner bag is placed gas generator or foaming agent.
Further, described porting being installed sealing flange, sealing flange connects outside and fills/exhaust apparatus.
Further, in step c of preparation method, after the outer wall of inner bag with the contact internal walls of outer bag, improve and enter the temperature and pressure of gas in inner bag, to improve the adhesion between the outer wall of inner bag and the inwall of outer bag.
Further, also include a decompressor being connected with the cavity of inner bag, explosion occurs when preventing pressure-bearing excessive, people's property safety is caused damage.
The invention still further relates to this monoblock type ultra-thin supertension air bag and roll the application in high pressure, air bag, falling object from high altitude undertaking, deep water lifesaving, salvaging, military airship or gas shield dam in the upper and lower water of boats and ships, weight carrying field.
Compared with prior art, woven fabric outer bag of the present invention with inner bag bonding firmly, for integral gasbag the most overall, ultra-thin, has height collapsible, pressure, wear-resisting, corrosion resistance, length in service life, high efficient construction.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.
The method of monoblock type ultra-thin supertension air bag, comprises the steps:
Step a, employing high-performance fiber carry out overall 3 D weaving according to design shape and size, reserved flatly as porting during braiding；Obtain shape such as the outer bag of flexible pocket；This high-performance fiber is para-aramid fiber, and specification is 1000D, and intensity is more than 20.5cN/Dtex, and percentage elongation is 3.5%, and after braiding, woven fabric grammes per square metre is 260g/m2.And at para-aramid fiber surface impregnation layer of polyethylene alcohol resin glued membrane.
Step b, the mouth of outer bag being installed on blow moulding machine discharge outlet, and be inflated outer bag making it be sufficiently spread out, the tolerance that now aeration quantity and the body wall from outer bag escape reaches balance；
Step c, in blow moulding machine add vinyon granule be blow molded, gradually expansion along with the air-tightness cryptomere inner bag blown out, the outer wall of inner bag moves closer to the inwall of outer bag, after the outer wall of inner bag with the contact internal walls of outer bag, due to inner bag still suffer from expand trend but by outer bag as mould stopped time, therebetween producing certain active force, simultaneously because now thermoplastic is in semi-molten state, the outer wall of inner bag is together with the inwall gapless tight adhesion of outer bag.In blow-molding process, after the outer wall of inner bag with the contact internal walls of outer bag, improve and enter the temperature and pressure of gas in inner bag, to improve the adhesion between the outer wall of inner bag and the inwall of outer bag.It is blow molded rear nature with flatly as air bag intake and exhaust.
Step d, installing sealing flange on described porting, sealing flange connects and outside fills/exhaust apparatus.
It is step e after step c, in described inner bag, places gas generator, and the decompressor that the cavity with inner bag is connected is set.
Although the foregoing describing the detailed description of the invention of the present invention; but those familiar with the art is to be understood that; we are merely exemplary described specific embodiment; rather than for the restriction to the scope of the present invention; those of ordinary skill in the art, in the equivalent modification made according to the spirit of the present invention and change, should be contained in the scope of the claimed protection of the present invention.
Claims (10)
1. monoblock type ultra-thin supertension air bag, including outer bag and inner bag, it is characterised in that: described outer bag uses high-intensity fiber to be made by integral weaving mode, reserved flatly as the outer layer of porting during braiding；Described inner bag is used thermoplastic, is made by blowing mode for mould with the inwall of outer bag, has been blow molded rear nature with flatly as porting internal layer.
2. the method for preparation monoblock type ultra-thin supertension air bag described in claim 1, it is characterised in that comprise the steps:
Step a, employing high-intensity fiber carry out integral weaving according to design shape and size, obtain shape such as the outer bag of flexible pocket；
Step b, the mouth of outer bag is installed on blow moulding machine discharge outlet, and is inflated outer bag making it be sufficiently spread out；
Step c, in blow moulding machine add thermoplastic be blow molded, make the outer wall of inner bag together with the inwall gapless tight adhesion of outer bag.
The preparation method of this air bag described in monoblock type the most according to claim 1 ultra-thin supertension air bag or claim 2, it is characterized in that: described outer bag uses high-intensity fiber integral weaving to form, described high-intensity fiber is p-aramid fiber or polyarylate or nylon fibre；Described liner material includes polyethylene, polrvinyl chloride, polyvinyl alcohol or polyurethane.
The preparation method of this air bag described in monoblock type the most according to claim 1 ultra-thin supertension air bag or claim 2, it is characterized in that: one layer of resin glued membrane of described high-intensity fiber surface impregnation, described resin is thermoplastic, including polyethylene, polyvinyl alcohol or polyurethane.
Monoblock type ultra-thin supertension air bag the most according to claim 1, it is characterised in that: outer bag grammes per square metre is 50～400g/m2, air bag grammes per square metre is 80～800g/m2, thickness is 0.2～1.5mm, pressure-bearing 2～8MPa.
Monoblock type the most according to claim 1 ultra-thin supertension air bag, it is characterised in that: described inner bag is placed gas generator or foaming agent.
Monoblock type the most according to claim 1 ultra-thin supertension air bag, it is characterised in that: installing sealing flange on described porting, sealing flange connects outside and fills/exhaust apparatus.
The preparation method of monoblock type the most according to claim 2 ultra-thin supertension air bag, it is characterized in that: in the blow-molding process of step c, after the outer wall of inner bag with the contact internal walls of outer bag, improve and enter the temperature and pressure of gas in inner bag, to improve the adhesion between the outer wall of inner bag and the inwall of outer bag.
9. claim 1, the arbitrary monoblock type of 3-8 ultra-thin supertension air bag, it is characterised in that: also include a decompressor being connected with the cavity of inner bag.
10. claim 1, the arbitrary monoblock type of 3-8 ultra-thin supertension air bag roll the application in high pressure, air bag, falling object from high altitude undertaking, deep water lifesaving, salvaging, military airship or gas shield dam in the upper and lower water of boats and ships, weight carrying field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189820.9A CN105835385B (en) | 2016-03-30 | 2016-03-30 | Ultra-thin super-pressure air bag of monoblock type and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189820.9A CN105835385B (en) | 2016-03-30 | 2016-03-30 | Ultra-thin super-pressure air bag of monoblock type and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105835385A true CN105835385A (en) | 2016-08-10 |
| CN105835385B CN105835385B (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610189820.9A Active CN105835385B (en) | 2016-03-30 | 2016-03-30 | Ultra-thin super-pressure air bag of monoblock type and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765098A (en) * | 2019-01-15 | 2019-05-17 | 哈尔滨经纬复合新材料工程有限公司 | A kind of flexible high pressure utricule system application of uniform stress |
| CN112824740A (en) * | 2019-11-20 | 2021-05-21 | 刘振国 | Inner container of hydrogen storage tank and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042443U (en) * | 1987-12-05 | 1989-08-09 | 彭鸿发 | Raincoat and air pump for bicycle operator |
| CN1090819A (en) * | 1993-02-11 | 1994-08-17 | 张贵兰 | The inflated article of new structure |
| US20050023185A1 (en) * | 2003-07-11 | 2005-02-03 | L'oreal | Receptacle and a method of manufacturing the same |
| CN103110240A (en) * | 2012-12-29 | 2013-05-22 | 泉州师范学院 | Portable high-pressure gas bag element |
-
2016
- 2016-03-30 CN CN201610189820.9A patent/CN105835385B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042443U (en) * | 1987-12-05 | 1989-08-09 | 彭鸿发 | Raincoat and air pump for bicycle operator |
| CN1090819A (en) * | 1993-02-11 | 1994-08-17 | 张贵兰 | The inflated article of new structure |
| US20050023185A1 (en) * | 2003-07-11 | 2005-02-03 | L'oreal | Receptacle and a method of manufacturing the same |
| CN103110240A (en) * | 2012-12-29 | 2013-05-22 | 泉州师范学院 | Portable high-pressure gas bag element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765098A (en) * | 2019-01-15 | 2019-05-17 | 哈尔滨经纬复合新材料工程有限公司 | A kind of flexible high pressure utricule system application of uniform stress |
| CN112824740A (en) * | 2019-11-20 | 2021-05-21 | 刘振国 | Inner container of hydrogen storage tank and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105835385B (en) | 2018-04-10 |
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Effective date of registration: 20180208 Address after: 264006 Heilongjiang Road, Yantai Development Zone, Shandong Province, No. 10 Applicant after: YANTAI TAIPULONG ADVANCED MANUFACTURING TECHNOLOGY Co.,Ltd. Address before: 264006 Heilongjiang Road, Yantai Economic Development Zone, Yantai, Shandong Province Applicant before: YANTAI TAIPULONG ADVANCED MANUFACTURING TECHNOLOGY Co.,Ltd. Applicant before: YANTAI TAYHO ADVANCED MATERIALS Co.,Ltd. |
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Address after: No.10 Heilongjiang Road, Yantai Development Zone, Shandong Province Patentee after: Yantai Taihexing Material Technology Co.,Ltd. Address before: No.10 Heilongjiang Road, Yantai Development Zone, Shandong Province 264006 Patentee before: YANTAI TAIPULONG ADVANCED MANUFACTURING TECHNOLOGY Co.,Ltd. |