Abstract: An air bag-containing cover comprising:a soft surface skin layer made of 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, andingredient D: a hydrocarbon series rubber softening agent with a kinetic viscosity at 40.degree. 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 weightingredient C=2 to 30% by weightingredient D=0 to 20% by weight, and having a JIS-A hardness according to JIS-K6301 of from 20 to 90, anda rigid core layer comprising an olefinic resin having a modulus in flexure according to JIS-K7203 of from 1000 to 7000 kg/cm.sup.

Abstract: A cover for a vehicle air bag comprises an external surface layer injection-molded from a thermoplastic material having a JIS-A hardness of 20 to 90 and a core layer injection-molded from a thermoplastic material having a bending elastic modulus (JIS K 7203) of not less than about 1000 kg/cm.sup.2 and a hardness greater than that of the surface layer. The core has weakened zones along which the cover breaks when the air bag is inflated.

Abstract: A laminated structure forming a synthetic paper made of a base or backing film layer made of a thermoplastic resin in a biaxially oriented state. A paper-like film layer is laminated to the base film layer and comprises a thermoplastic resin having 0.5 to 65% by weight of particles of a fine, inorganic filler dispersed in the resin thereof substantially uniformly. The paper-like film layer is in an uniaxially oriented state and has microvoids dispersed therein formed by stretching the laminated films in a heated state. The microvoids comprise microvoids open to a surface of the paper-like film layer free of the base film layer and include microvoids, open and closed, distributed in the paper-like film layer defining therein a cellular, fibrous structure.

Abstract: A laminated structure forming a synthetic paper made of a base or backing film layer made of a thermoplastic resin in a biaxially oriented state. A paper-like film layer is laminated to the base film layer and comprises a thermoplastic resin having 0.5 to 65% by weight of particles of a fine, inorganic filler dispersed in the resin thereof substantially uniformly. The paper-like film layer is in an uniaxially oriented state and has microvoids dispersed therein formed by stretching the laminated films in a heated state. The microvoids comprise microvoids open to a surface of the paper-like film layer free of the base film layer and include microvoids, open and closed, distributed in the paper-like film layer defining therein a cellular, fibrous structure.

Abstract: A cover for a vehicle air bag comprises an external surface layer injection-molded from a thermoplastic material having a JIS-A hardness of 20 to 90 and a core layer injection-molded from a thermoplastic material having a bending elastic modulus (JIS K 7203) of not less than about 1000 kg/cm.sup.2 and a hardness greater than that of the surface layer. The core has weakened zones along which the cover breaks when the air bag is inflated.