B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
154/140, 117/200
B60R 21/16 (2006.01) B32B 27/08 (2006.01) B32B 27/32 (2006.01) B60R 21/20 (2006.01)
Patent
CA 2031893
ABSTRACT OF THE DISCLOSURE An air bag-containing cover comprising: a surface skin layer made Or a thermoplastic polymer containing the following ingredients A, B, C and D: ingredient A : a hydrogenated derivative of a block copolymer comprising styrene an conjugated diene, ingredient B : an olefinic resin, ingredient C : polyisobutylene with a viscosity average molecular weight of not greater than 70,000, and ingredient D : a hydrocarbon series rubber softening agent with a kinetic viscosity at 40 C of not greater than 500 cSt and/or polybutene with a number average molecular weight of not greater than 2500, in which blending ratio is : ingredient A = 40 to 80 % by weight, ingredient B = 5 to 30 % by weight, ingredient C = 2 to 30 % by weight ingredient D = O to 20 % by weight, and having a JIS-A hardness according to JIS-K6301 of from 20 to 90, and a core layer comprising an olefinic resin having a modulus in flexure according to JIS-K7203 of from 1000 to 7000 kg/cm2, in which the core layer has a higher hardness than that of the surface skin layer, and the core layer has a portion for easily bursting the cover upon initiation of the air bag operation.
Sawada Masami
Yoshiyasu Mitsuo
Zushi Takayasu
Sawada Masami
Seaby & Associates
Takata Corporation
Yoshiyasu Mitsuo
Zushi Takayasu
LandOfFree
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