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    • 1. 发明授权
    • Pneumatic tire with air permeation preventive layer
    • 带防透气层的气动轮胎
    • US5851323A
    • 1998-12-22
    • US750022
    • 1997-02-19
    • Hiroyuki KaidoKazuto YamakawaJiro WatanabeZenichiro ShidaYoshiaki Hashimura
    • Hiroyuki KaidoKazuto YamakawaJiro WatanabeZenichiro ShidaYoshiaki Hashimura
    • B60C1/00B60C5/14
    • B60C1/0008B60C5/14B60C5/142Y10T152/10855
    • A pneumatic tire has an air permeation preventive layer comprising a film composed of a polymer composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer having an air permeation coefficient of not more than 25.times.10.sup.-12 cc.multidot.cm/cm.sup.2 .multidot.sec.multidot.cmHg and a Young's modulus of 1 to 1000 MPa which is arranged so as to substantially cover the inner surface of the tire at least in the range of 20 mm from the position of the two ends of the belt to the direction of the crown center and is also arranged so as to substantially cover the inner surface of the tire at the crown center side of a position a maximum of 20 mm from the position of the two ends of the belt to the direction of the bead portion and applies an air permeation preventive layer comprised of rubber so as to substantially cover the rest of the inner surface of the tire and using an air permeation preventive layer having an actual elongation at break of at least 15% in the circumferential direction and radial direction at the tire side portions in a range of at least 0.5H to 0.65H of the tire sectional height H.
    • PCT No.PCT / JP96 / 00737 Sec。 371日期1997年2月19日 102(e)日期1997年2月19日PCT 1996年3月21日PCT公布。 WO96 / 30221 PCT出版物 日期:1996年3月10日充气轮胎具有防透气层,其包含由含有热塑性树脂的聚合物组合物或热塑性树脂与弹性体的共混物构成的膜,该透气系数为25×10 12 cc×cm 3 / cm 2×sec×cmHg的杨氏模量和1〜1000MPa的杨氏模量,其布置成基本上覆盖轮胎的内表面至少在从带的两端的位置到冠中心的方向的20mm的范围内,以及 还布置成基本上覆盖轮胎的内表面,该轮胎在冠部中心侧距离带的两端的位置至胎圈部分的方向最大为20mm的位置,并且施加防透气性 由橡胶组成,以便基本上覆盖轮胎的内表面的其余部分,并且使用具有至少15%的实际断裂伸长率的防空气层 在轮胎侧部的轮胎截面高度H的至少0.5H〜0.65H的范围内的方向和径向。
    • 3. 发明授权
    • Laminate gas barrier layer for pneumatic tires
    • 充气轮胎层压气体阻隔层
    • US5992486A
    • 1999-11-30
    • US527214
    • 1995-09-12
    • Shogo KatsukiKazuto YamakawaJiro WatanabeHiroyuki Kaido
    • Shogo KatsukiKazuto YamakawaJiro WatanabeHiroyuki Kaido
    • B32B25/08B60C1/00B60C5/14B60C5/02B32B25/04
    • B32B25/08B60C1/0008B60C5/14B29L2030/00B60C2005/145B60C2005/147Y10S152/16Y10T428/24967Y10T428/31743Y10T428/31746Y10T428/3175Y10T428/31797Y10T428/31826Y10T428/31891Y10T428/31909Y10T428/31928Y10T428/31931Y10T428/31935
    • The invention provides a laminate suitable for use with a pneumatic tire having an inner liner or like air-impermeable layer capable of, for example, maintaining a requisite air pressure. The laminate I of the invention includes laminated films and a rubber layer (R), the laminated films being made of a gas barrier layer (A) and an adhesive layer (B), the layer (B) being provided on at least one side of the layer (A), the layer (A) being formed of at least one member selected from polyamide resins, polyester resins, polyarylate resins, polyamide-based alloys and polyester-based alloys, the laminated films being irradiated in at least one periphery with an electron beam, and the adhesive layer (B) being heat-bonded to the rubber layer (R). The laminate II of the invention includes laminated films and a rubber layer (R), the laminated films being made of a rubber-adhering layer (D), an adhesive layer (B) and a gas barrier layer (A), the layers (D), (B) and (A) being laminated in this order with a structure of at least three layers, the rubber-adhering layer (D) being formed of at least one polyolefin resin, the gas barrier layer (A) being formed of at least one member selected from polyamide resins, polyester resins, polyarylate resins, polyamide-based alloys and polyester-based alloys, the laminated films being irradiated in at least one periphery with an electron beam, and the rubber-adhering layer (D) being heat-bonded to the rubber layer (R).
    • 本发明提供一种适用于具有内衬或类似不透气层的充气轮胎的层压板,其能够例如维持必要的空气压力。 本发明的层叠体I包括层叠膜和橡胶层(R),层叠膜由阻气层(A)和粘合剂层(B)构成,所述层(B)设置在至少一面 的层(A)中,所述层(A)由选自聚酰胺树脂,聚酯树脂,聚芳酯树脂,聚酰胺类合金和聚酯类合金中的至少一种构成,所述层叠膜在至少一个周边 并且粘合剂层(B)被热粘合到橡胶层(R)上。 本发明的层压体II包括层叠膜和橡胶层(R),层压膜由橡胶粘附层(D),粘合层(B)和阻气层(A),层 D),(B)和(A)以至少三层的结构依次层叠,橡胶粘附层(D)由至少一种聚烯烃树脂形成,形成阻气层(A) 的选自聚酰胺树脂,聚酯树脂,聚芳酯树脂,聚酰胺类合金和聚酯类合金中的至少一种,层压膜在电子束的至少一个周边照射,橡胶粘合层(D) 被热粘合到橡胶层(R)上。