| 摘要 |
515,734. Pneumatic tyres. MICHELIN & CIE. March 11, 1938, No. 7682. Convention date, March 11, 1937. Drawings to Specification. [Class 144 (ii)] [Also in Groups V and VIII] The foundation casing of a pneumatic tyre cover comprises two or more layers of multiplestrand cables each consisting of three or more wires or cables twisted together without a core, the enveloping rubber, and/or the metal of the individual strands being treated to ensure direct adhesion between these parts. Such treatment may consist in brass-coating the metal, or subjecting the rubber to a treatment such as is described in Specification 339,421, [Class 70]. |
