Manufacturing method of pneumatic tire

Details Manufacturing method of pneumatic tire Manufacturing method of pneumatic tire

2008-04-23

2011-11-08

Knable, Geoffrey L (Department: 1747)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C152S531000, C152S532000, C156S130000

Reexamination Certificate

active

08052817

ABSTRACT:
First, a first belt ply is wound around an outer peripheral surface of a belt drum having a curvature so as to be formed as a tubular shape, and a rubber layer protruding to an outer side than an end portion in a width direction of a belt reinforcing layer is arranged in an outer periphery of an end portion in a width direction of the first belt ply. Further, a second belt ply which is narrower than the first belt ply is wound around an outer periphery of the second belt ply so as to be formed as a tubular shape, and a belt layer is formed in such a manner that the first belt ply and the second belt ply are laminated. The belt reinforcing layer is formed by spirally winding a rubber-coated reinforcing cord around an outer peripheral side of the formed belt layer, and an end portion in a width direction of the belt reinforcing layer is arranged in an outer side than the first belt ply.

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