WO2020053956A1 - ウエットスーツ用生地及び該生地を用いたウエットスーツ - Google Patents
ウエットスーツ用生地及び該生地を用いたウエットスーツ Download PDFInfo
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- WO2020053956A1 WO2020053956A1 PCT/JP2018/033606 JP2018033606W WO2020053956A1 WO 2020053956 A1 WO2020053956 A1 WO 2020053956A1 JP 2018033606 W JP2018033606 W JP 2018033606W WO 2020053956 A1 WO2020053956 A1 WO 2020053956A1
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Definitions
- the present invention relates to a wet suit worn for surfing, diving, water sports, and other water and underwater activities.
- Wet suits include a separate type and a full suit type with a top and bottom integrated, depending on the application and time.
- the structure is such that water can enter the gap between the body and the inside. Wearing a suit of the right size, the small amount of water that has penetrated into the gaps becomes a thin layer that is warmed at body temperature, thus exerting a heat retaining effect.
- a suit using chloroprene synthetic rubber foamed in a sponge shape with closed cells is known.
- a wet suit having a double-sided skin in which the skin surface of chloroprene synthetic rubber is exposed on the outer surface and the inner surface it is easy to secure the heat retention property by the closed cells inside the rubber and the heat insulating property by the thickness of about 3 to 7 mm, and the drying is quick. It is said that it has an advantage of having elasticity. It is not easy to put on and take off because it is slippery and has high friction, and it is easy to tear due to scratches by nails etc.It is weak to concentration of stress by sharp objects, and there was also a problem with durability. .
- a wet suit in which a nylon material is bonded to one or both of the outer surface and the inner surface of a chloroprene rubber foam sponge sheet material has appeared in the 1960s.
- a wet suit in which such a nylon material is bonded is more durable and less likely to be torn than when the foamed rubber sheet is exposed. Since nylon fibers have high durability, wetsuits in which a nylon material is adhered to the surface layer are still mainstream and are widely used.
- a wet suit comprising a rubber layer as an outer layer, a chemical fiber layer such as polyester or nylon as an intermediate layer, and a fluororesin fiber layer as an inner layer
- a wet suit comprising a rubber layer as an outer layer, a chemical fiber layer such as polyester or nylon as an intermediate layer, and a fluororesin fiber layer as an inner layer
- a nylon fabric woven with a nylon system is provided on one side of a polyester fabric woven with polyester hollow fibers with a gap, and a foam rubber with high water resistance and heat insulation such as neoprene is connected to the back of this nylon fabric
- a sheet and a wet suit material having a configuration in which they are connected to each other by a fabric / rubber connection layer using an adhesive or a material that can be repeatedly bonded
- polyester hollow fibers are provided on the inner layer surface in order to improve the area near the skin that comes in contact with the skin, but the main use is conversion to hospital sheets, etc., and the specific characteristics as a wet suit are Not obvious.
- the surface layer of the polyester is for contact with the skin, and it is assumed that there are many gaps to be transmitted to the nylon layer, so that the nylon fabric is wet. Further, since this proposal is a combination with a nylon fabric, it has poor stretchability, and its practicality as a wet suit cannot be said to be sufficient.
- wetsuits in which a cloth made by laminating a nylon material on one or both sides of a chloroprene rubber foam sponge sheet are cut and sewn are mainly used.
- the nylon yarn has water absorption because the fiber itself has water absorbency, so that the surface is wet and heavy and hard to dry.
- wet suits since wet suits are expected to be used not only in fresh water but also in seawater, they will be immersed in salt water for 4 to 5 hours, and the use load on the fabric will be large. Therefore, when a nylon material is bonded, a coating may be applied to the surface of the nylon layer to impart water repellency.
- a coating may be applied to the surface of the nylon layer to impart water repellency.
- the water repellency tends to decrease because it is exposed to seawater for a long time and is worn by use. For example, wet suits for surfing are worn repeatedly for about three months even if they are frequently used.
- the water repellency of the nylon surface layer is gradually reduced during that time, and the nylon layer does not repel water and immediately becomes wet.
- the wet suit will be cooled by the heat of vaporization from the surface of the fabric, so that the body temperature of the wearer will be deprived and the body will be easily lowered.
- the nylon on the outer layer surface of the wet suit dries slowly and remains wet, the sea breeze blows and the body becomes easier to cool down . This cold can have a significant effect on performance. It is not desirable that the body be cooled due to the wet state because the wear of the wet suit is inherently for keeping warm.
- the seawater on the wet outer surface of the wetsuit will splatter and splash on the face if you swing your hand or upper body during surfing Therefore, it may be a hindrance in competitions.
- nylon fibers have a water absorbency of about 8 to 9% of their own weight, when the wet suit contains seawater, the suit itself becomes heavy and sinks easily. Since it becomes heavy with water, in a game where the posture is changed by swinging the arm or the like such as surfing, an unnecessary load that leads to an increase in weight is not desirable.
- nylon jerseys are still mainstream today is that nylon fibers have high durability in both length and width, as well as durability and strength, and are easier to wear than chloroprene synthetic rubber alone. . Therefore, it is conceivable to select a fiber that does not absorb water or is less likely to absorb water instead of nylon.However, such a substitute material is not practical as a wet suit fabric unless at least the same or higher elasticity is secured. Is not enough. This is because not only must the wet suit be detached, but also since surfing or the like involves a large movement or change in posture, elasticity that facilitates exercise is required.
- the problem to be solved by the present invention is a wet suit in which a material that substitutes for a nylon material in a wet suit using a sponge sheet material made of chloroprene foamed rubber in which a nylon material is bonded to the outer surface of the mainstream at present is used. It is to provide a suit, while having the same degree of elasticity as the case of laminating a nylon material, it is excellent in heat retention, high in water repellency and quick drying, hard to multiply bacteria, wet suit fabric and An object of the present invention is to provide a wet suit using the fabric.
- Another object of the present invention is to provide a wet suit fabric in which a material having good elasticity and good dryness is bonded to the outer layer surface, which is also suitable for the outer layer that needs to have durability.
- a nylon substitute material is a material suitable for bonding.
- a foam rubber sponge sheet using an alternative material suitable for bonding is used.
- a wet suit fabric and a wet suit which are bonded together.
- the inventor examined the polypropylene fiber as a substitute material for the nylon material because the polypropylene fiber has almost no water absorption. Certainly, if it is a polypropylene fiber, it does not absorb water, so that it does not change in strength even when wet. However, polypropylene fibers alone cannot provide sufficient elasticity, and nylon has a melting point of 210 ° C. or more and a softening point of 180 ° C. or more, whereas polypropylene has a softening point of 140 to 160 ° C. and a melting point of 165 to 165 ° C. The heat resistance is low at about 175 ° C., so that heat setting and the like are difficult, and it is found that there is a drawback that when finished to a material having elasticity, it tends to wrinkle and is less suitable for bonding than nylon.
- a knitted fabric of a weft knitted fabric obtained by plating and knitting a polypropylene multifilament yarn and an elastic yarn such as a stretchable spandex (hereinafter referred to as a “bare fabric”)
- bare fabric As a nylon substitute material to a sponge sheet made of chloroprene foamed rubber to form a wetsuit fabric, and invented a wetsuit using this fabric.
- the first means of the present invention for solving the above-mentioned problem is that a polypropylene multifilament yarn and an elastic yarn are plated and knitted on one or both surfaces of a chloroprene foamed rubber sponge sheet.
- This is a wet suit fabric in which weft fabric is attached.
- a wetsuit fabric in which a weft knitted fabric obtained by plating and knitting a polypropylene multifilament yarn and an elastic yarn is bonded to at least the outer layer surface of a chloroprene foamed rubber sponge sheet.
- a third means is the first or second means, wherein the elastic yarn is a heat-fused polyurethane elastic fiber, and the elastic yarns of the weft knitted fabric are heat-sealed to each other. For wetsuits.
- the fourth means for a wet suit according to any one of the first to third means, wherein the elastic yarns are heat-fused to each other by heat setting at 100 to 140 ° C. It is dough.
- the temperature of the heat setting is preferably 100 to 130 ° C, more preferably 105 to 125 ° C.
- Fifth means is a wet as described in any one of the first to fourth means, wherein the elastic yarn is plated and knitted in a state where the elastic yarn is stretched 1.5 to 2.3 times. It is a suit fabric. More preferably, it is plated and knitted in a stretched state of 1.5 to 2.0 times.
- the sixth means is for a wet suit according to any one of the first to fifth means, wherein the polypropylene multifilament yarn has a thickness of 20 to 56 decitex and a number of filaments of 30 or less. Cloth.
- a seventh means is that the polypropylene multifilament yarn has a thickness of 20 to 56 decitex, and the thickness per filament is 1 decitex or more.
- 8Eighth means is a wetsuit using the wetsuit fabric of any one of the first to seventh means.
- the wetsuit fabric of the present invention uses a polypropylene multifilament yarn to provide an outer layer having no water absorption, and has high water repellency and good drainage, so that it dries quickly. Therefore, the growth of various bacteria is suppressed, and it is sanitary.
- the elasticity is secured by plating with elastic yarn, the elasticity is secured to the same degree as when a nylon material is bonded.
- the polypropylene multifilament yarn provided in the outer layer has high durability, it is not easily broken like a foamed rubber sponge sheet and has sufficient durability.
- the elastic yarn plated and knitted in the stretched state does not shrink too much, and the dimensional stability of the knitted fabric before bonding is good. Since it is hard to wrinkle, it can be suitably bonded. In addition, since it is hard to be frayed by heat fusion, it is hard to tear.
- (A) is a cross-sectional view of an embodiment of the present invention in which a bare jersey knit is arranged on both surfaces
- (b) is a cross-sectional view of an embodiment of the present invention in which a bare jersey knit is arranged on an outer layer surface. It is a schematic diagram of the state of the structure
- a typical formulation is that a small amount of 45% by mass of chloroprene (CR), 10% of carbon black, 10% of a filler, 10% of a foaming agent, 15% of a plasticizer, 15% of a vulcanization accelerator, a cross-linking agent, and the like are blended by mass%. Things. These materials are kneaded, extruded, subjected to primary vulcanization, secondary vulcanization, and, if necessary, sequentially sliced to obtain a foamed rubber sponge sheet.
- the jersey material is placed on the surface, and the upper roller or upper and lower rollers are pressed and bonded to obtain a suit material, which is formed into a desired shape.
- the fabric for wetsuit can be obtained by cutting and sewing.
- FIG. 1 (a) shows a sponge sheet (2) made of chloroprene foamed rubber in the center, and an elastic yarn and a polypropylene multi-layer on the outer layer surface (4) of the wet suit and the inner layer surface (5) of the wet suit. It is sectional drawing which shows the mode that the bare sheeting knitted fabric (3) which consists of a filament yarn was stuck.
- FIG. 1B is a cross-sectional view showing a state in which a bare sheet knitted fabric (3) made of an elastic yarn and a polypropylene multifilament yarn is stuck to an outer layer surface (4) which is one surface of a chloroprene foamed rubber sponge sheet (2).
- Polypropylene is the lightest fiber floating in water among synthetic fibers having a density of 0.91 g / cm 3 and has high abrasion resistance. Since it does not absorb water, it can be expected that if it is used for the outer layer of a wet suit, it will dry faster.
- the polypropylene multifilament yarn and the elastic yarn are plated and knitted in order to further ensure extensibility while using polypropylene. That is, by combining polypropylene with an elastic yarn such as spandex, the fabric has a quick-drying property and a stretch property, and is as stretchable as nylon.
- Plating knitting is a method of knitting two knitting yarns simultaneously on the front and back as shown in FIG. 2, and is also referred to as an auxiliary yarn knitting.
- the elastic yarn (7) made of the heat-fused polyurethane elastic fiber and the polypropylene multifilament fiber (6) are woven like a flat knit by overlapping two yarns.
- a knitted material formed by plating with an elastic yarn is also referred to as a bare sheet knitted fabric.
- the durable polypropylene fiber is exposed on the outer surface, and the elastic yarn breaks more. It will be difficult.
- the polypropylene multifilament yarn for example, a yarn obtained by twisting 24 filaments of 33 dtex is suitable. If it is about 20 to 56 decitex, the multifilament yarn is not too thick. If the elastic yarn of the heat-fused polyurethane elastic fiber is appropriately selected to be 33 decitex or the like, the plating knitting and the bare sheeting knitting can be performed. In such a case, the elastic yarns can be thermally fused by heat setting, which is preferable. The desired stretchability of the polypropylene multifilament yarn can be ensured depending on the combination with the elastic yarn. If the number of filaments is 30 or less, the number of filaments is small, so that capillary action between filaments is less likely to occur. Since the amount of water retained between the filaments can be suppressed, it is desirable not to increase the number of filament yarns too much.
- the filament fiber itself does not absorb water.
- water is retained in gaps between the filaments by capillary action or the like. Therefore, it is also effective to reduce the number of filaments.
- the fine gap increases, the capillary force decreases, and the surface area decreases, so that the amount of adsorbed moisture can be reduced.
- the thickness per filament is preferably set to 1 dtex or more, and more preferably, 1.2 dtex or more.
- the number is 1.25 decitex per filament, and in the case of 50 filaments and 40 filaments, it is 1.25 decitex per filament. In the case of 30 filaments of 56 decitex, the filament is 1.87 decitex.
- heat-fused polyurethane elastic fibers in the present invention examples include Mobilon (registered trademark) R, RL, KL, R-LL manufactured by Nisshinbo Industries, Ltd.
- This heat-fused polyurethane elastic fiber is one kind of fiber generally called spandex. After plating and knitting these fibers, for example, by applying saturated steam at 120 ° C., heat-setting is performed. The fibers are used in such a manner that the fibers are fused together.
- the polypropylene and the polyurethane elastic yarn are formed into a bare-knit fabric by plating
- the polypropylene is not heat-resistant, but heat-set for dimensional stability because it is easily wrinkled. Is preferred.
- a high temperature such as 150 ° C. to 200 ° C.
- the workability is better and the effect of the heat setting can be firmly obtained.
- the heat resistance of the polypropylene of the present invention is not good, for example, the texture is impaired even at about 140 to 160 ° C.
- a yarn which can be heat-fused at a low temperature among heat-fusible polyurethane elastic fibers is particularly preferable.
- Corresponding heat-fused polyurethane elastic fibers are preferred.
- Suitable fibers that can be softened and fused at 120 ° C. or lower include, for example, Mobilon RL, KL, and R-LL.
- the heat-setting method uses a heat-set processing machine, and is performed by exposing the knitted fabric to a saturated steam in a state where the knitted fabric is placed in a template, thereby performing heat fixing with heat fusion.
- the temperature of the saturated steam depends on the pressure of the supplied steam, so that the saturated steam at a desired temperature can be obtained by adjusting the pressure of the boiler, for example.
- the desired knitting width can be ensured without impairing the texture and without wrinkling, and the predetermined shape can be obtained. Knitted fabric can be obtained.
- the set time of the heat setting is from 2 to 120 seconds, preferably from 5 to 60 seconds. In this embodiment, the process was performed in 20 seconds.
- heat setting such as 130 ° C. or 140 ° C. may be applied as dry heat within a range that does not sacrifice the texture.
- the elastic yarn is plated and knitted while being stretched 1.5 to 2.3 times. It is small. More preferably, it is stretched 1.5 to 2.1 times, more preferably 1.5 to 2.0 times.
- the DR of the embodiment is set to 1.75.
- PP jersey polypropylene bare sheet knitted fabric
- the wear treatment was performed by spraying 0.1 ml of water on the surface to be worn using a uniform type wear treatment machine, applying a pressing load of 4.45 N, and performing a predetermined number of wear treatments with the same cloth.
- Table 3 shows the results of 500 times
- Table 4 shows the results of 10 times, 50 times, and 100 times of the wear treatment.
- the water repellency was slightly inferior even after 10 times of the abrasion treatment, and the water repellency was almost lost after 100 times of the abrasion treatment.
- the same result was obtained 500 times.
- the surface of this nylon jersey was coated with a water-repellent finish, it was confirmed that the nylon jersey was more likely to absorb water and harder to dry because the water repellency was rapidly lost due to wear and deterioration.
- the P. P. In the jersey the water repellency remained unchanged at level 3 even after the test 500 times, and the water repellency was maintained as it was at the beginning.
- the body temperature was maintained between the PP jersey wetsuit and the nylon jersey comparative product when used in surfing in seawater for about 50 minutes while wearing a wetsuit. After landing, the body surface temperature immediately below the wetsuit, which dropped to 26 ° C by seawater, rose to 32 ° C in about 4 minutes. Thereafter, the temperature was kept at 31.5 ° C. in the actual product, but was 30.5 ° C. in the nylon jersey. As described above, the difference in the body surface temperature in the worn state occurs because the outer layer of the nylon jersey is wet and easily cooled by heat of vaporization.
- the yarn obtained by knitting the elastic yarn of the heat-fused polyurethane elastic fiber at twice or less and heat-sealing the elastic yarns by heat setting is used when elongating. Can be stretched without force.
- the force required for elongating by 50% is the wale of the knitted fabric.
- the direction (elongation in the vertical direction) was 0.8N
- the course direction (elongation in the horizontal direction) was 0.2N.
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Abstract
Description
これは、着脱時に体に密着する内層の滑りを良くして着用の際の改善を志向する内層の提案であるが、表層の下には吸水性のあるナイロン層が基層として存在しており、内部のナイロン層まで一旦水分が浸透してしまえば、依然として乾燥しにくいものとなっており、濡れること自体を回避しきっておらず、ナイロン層同様にフッ素樹脂繊維層の伸縮性等が得られるのかも明らかではないため十分ではなく、依然として実用上の課題を抱えている。
この提案は、肌に接触する面の肌あたりの改善のために内層表面にポリエステル中空糸を設けているが、病院のシーツ等への転用が主であって、ウエットスーツとしての具体的特性は明らかではない。そして、ポリエステルの表層は、肌あたりのためであり、隙間が多くナイロン層へ伝わらせることを前提としているので、ナイロン織物が濡れるものである。また、この提案はナイロン織物との組合せであることから伸縮性に乏しいものであり、ウエットスーツとしての実用性は十分とはいえない。
もちろん、飽和蒸気を用いる以外に、風合いを犠牲にしない範囲で、乾熱として130℃や140℃といった熱を付与してヒートセット加工させることもできる。
本発明の実施品であるポリプロピレンベア天竺編物(P.P.ジャージ)を貼り合わせた2mm厚の発泡ゴム製スポンジシートのウエットスーツ生地と、ナイロンジャージを2mm厚の発泡ゴム製スポンジシートと貼り合わせたウエットスーツ生地を用いたフルスーツのウエットスーツを水洗後の重量変化を観察した。結果を表1に示す。
実施例の吸水率は15%、比較例のナイロンジャージの吸水率は28%であり、P.P.ジャージのほうが吸水しないことが確認された。
表2に示すように、本発明の実施品であるP.P.ジャージと、比較例のW/Nジャージ(ウーリーナイロン)について、抗菌性を確認した。P.P.ジャージのほうがナイロンジャージよりも抗菌性に優れている。
実施例のP.P.ジャージと比較例のW/Nジャージ(ウーリーナイロン製ジャージ、表面に撥水コーティングがされている。)に対して、JIS L1092に基づき、摩耗試験後の撥水性能の変化の様子を確認した。
摩耗処理10回、50回、100回、500回後、生地に水滴を噴霧するスプレー試験によって、撥水度を1~3級の等級で評価した(試験は3回実施した)。3級はより撥水性が高いことを示し、1級は撥水性を伴っていないことを意味する。
1級:表面全体に湿潤を示すもの。
2級:表面の半分が湿潤し、小さな個々の湿潤は布を浸透する状態を呈しているもの。
3級:表面に小さな個々の水滴状の湿潤を示すもの
ナイロンジャージでは、摩耗処理10回でも撥水性がやや劣っており、摩耗処理100回では、ほぼ撥水性が失われた。500回も同様の結果であった。このナイロンジャージは、表面が撥水加工でコーティングされているが、ナイロンジャージは、摩耗や劣化により、急激に撥水性が失われることから、より吸水しやすく、乾きにくくなることが確認された。
他方、本発明のP.P.ジャージでは、500回試験後も撥水性は3級のまま変化がなく、撥水性が当初のままに維持されていた。
ウエットスーツを着用して50分ほど海水に入ってサーフィンに用いた際の実施品のPPジャージのウェットスーツとナイロンジャージの比較品とでの体温の保持具合を調べた。
着水後海水により26℃まで下がったウエットスーツ直下の体表面温度は、4分ほどで32℃まで上昇する。その後、実施品では、31.5℃をキープしたが、ナイロンジャージでは、30.5℃となった。このように、着用状態での体表面温度に差が生じるのは、ナイロンジャージの外層が濡れていることから、気化熱によって冷やされ易いからである。
本発明の実施品のポリプロピレンジャージにおいて、さらに熱融着ポリウレタン弾性繊維の弾性糸の伸長度を2倍以下で編みこんでヒートセットにより弾性糸同士を熱融着させたものは、伸長させる際に力を要せず引き伸ばすことができる。
たとえば、熱融着ポリウレタン弾性繊維が33デシテックス、ポリプロピレンマルチフィラメント糸が33デシテックス24本フィラメントのベア天竺編物を貼り合わしたウエットスーツ生地では、50%伸長させる際に必要な力が、編地のウェール方向(縦方向の伸び)では0.8N、コース方向(横方向の伸び)では0.2Nであった。(JIS 1096B法に基づき、幅5cmの試験片を自長さの50%伸長に要す力(低伸長時伸長力)を測定した。引張速度:20cm/min、つかみ間隔:20cm。)。非常によく伸長しており、ナイロンと同程度の伸びが十分に確保されることが確認された。
また、ポリプロピレンマルチフィラメント糸が56デシテックス、48本フィラメントのベア天竺編物を貼り合わしたウエットスーツ生地では、2.9倍に伸長した編地では、ウェール方向が1.8N、コース方向が0.8Nで伸長した。
2 クロロプレン発泡ゴム性スポンジシート
3 ベア天竺編物
4 外層面
5 内層面
6 ポリプロピレンマルチフィラメント糸
7 熱融着ポリウレタン弾性繊維
Claims (8)
- クロロプレン発泡ゴム製スポンジシートのいずれか一方の面あるいは双方の面に、ポリプロピレンマルチフィラメント糸と弾性糸とをプレーティング編した緯編地の布地を貼り合わせたウエットスーツ用生地。
- クロロプレン発泡ゴム製スポンジシートの少なくとも外層の面に、ポリプロピレンマルチフィラメント糸と弾性糸とをプレーティング編した緯編地の布地を貼り合わせたウエットスーツ用生地。
- 弾性糸が熱融着ポリウレタン弾性繊維であって、かつ緯編地の弾性糸が相互に熱融着されていること、を特徴とする請求項1又は2に記載のウエットスーツ用生地。
- 100~140℃のヒートセットによって弾性糸が相互に熱融着された状態であることを特徴とする、請求項1から3のいずれか1項に記載のウエットスーツ用生地。
- 弾性糸が1.5~2.3倍に伸長された状態でプレーティング編されていること、を特徴とする請求項1から4のいずれか1項に記載のウエットスーツ用生地。
- ポリプロピレンマルチフィラメント糸が20~56デシテックスの太さで30本以内のフィラメント数であること、を特徴とする請求項1から5のいずれか1項に記載のウエットスーツ用生地。
- ポリプロピレンマルチフィラメント糸が20~56デシテックスの太さであり、フィラメント1本あたりの太さが1デシテックス以上であること、を特徴とする請求項1から6のいずれか1項に記載のウエットスーツ用生地。
- 請求項1から7のいずれか1項に記載のウエットスーツ用生地を用いたウエットスーツ。
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KR1020217010485A KR20210078481A (ko) | 2018-09-11 | 2018-09-11 | 웨트슈트들을 위한 직물 및 상기 직물을 포함한 웨트슈트 |
PCT/JP2018/033606 WO2020053956A1 (ja) | 2018-09-11 | 2018-09-11 | ウエットスーツ用生地及び該生地を用いたウエットスーツ |
CN201880098236.XA CN113557328B (zh) | 2018-09-11 | 2018-09-11 | 用于潜水衣的织物和使用所述织物的潜水衣 |
EP18933212.5A EP3851366A4 (en) | 2018-09-11 | 2018-09-11 | FABRIC FOR WETSUIT AND WETSUIT WITH THIS FABRIC |
JP2019515671A JP6586544B1 (ja) | 2018-09-11 | 2018-09-11 | ウエットスーツ用生地及び該生地を用いたウエットスーツ |
BR112021004457-4A BR112021004457A2 (pt) | 2018-09-11 | 2018-09-11 | malha para roupas de mergulho e roupas de mergulho com o uso a dita malha |
AU2018441273A AU2018441273B2 (en) | 2018-09-11 | 2018-09-11 | Fabric for wetsuit and wetsuit comprising said fabric |
US16/725,109 US20200146369A1 (en) | 2018-09-11 | 2019-12-23 | Fabric for Wetsuit and Wetsuit Employing Said Fabric |
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EP (1) | EP3851366A4 (ja) |
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KR (1) | KR20210078481A (ja) |
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CN112278199A (zh) * | 2020-10-23 | 2021-01-29 | 张天宇 | 一种自发热保暖式救生衣 |
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US20220194534A1 (en) * | 2020-12-18 | 2022-06-23 | Eco-Pivot LLC | Composition for a wetsuit |
CN116080202A (zh) * | 2022-10-19 | 2023-05-09 | 东华大学 | 一种三明治结构复合材料及其制备方法 |
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- 2018-09-11 WO PCT/JP2018/033606 patent/WO2020053956A1/ja unknown
- 2018-09-11 KR KR1020217010485A patent/KR20210078481A/ko not_active Application Discontinuation
- 2018-09-11 CN CN201880098236.XA patent/CN113557328B/zh active Active
- 2018-09-11 AU AU2018441273A patent/AU2018441273B2/en active Active
- 2018-09-11 BR BR112021004457-4A patent/BR112021004457A2/pt not_active Application Discontinuation
- 2018-09-11 EP EP18933212.5A patent/EP3851366A4/en active Pending
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CN112278199B (zh) * | 2020-10-23 | 2022-08-02 | 张天宇 | 一种自发热保暖式救生衣 |
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US20200146369A1 (en) | 2020-05-14 |
KR20210078481A (ko) | 2021-06-28 |
CN113557328B (zh) | 2024-03-19 |
BR112021004457A2 (pt) | 2021-05-25 |
EP3851366A8 (en) | 2022-02-09 |
JPWO2020053956A1 (ja) | 2020-10-22 |
JP6586544B1 (ja) | 2019-10-02 |
CN113557328A (zh) | 2021-10-26 |
EP3851366A1 (en) | 2021-07-21 |
AU2018441273B2 (en) | 2024-09-19 |
EP3851366A4 (en) | 2022-05-18 |
AU2018441273A1 (en) | 2021-03-25 |
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