Process for assembling a green tire

Details Process for assembling a green tire Process for assembling a green tire

1991-07-25

1993-09-28

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156133, 152532, B29D 3030

Patent

active

052483576

ABSTRACT:
A green tire building process wherein a cylindrical belt (B) comprising a tread (A) and a breaker (3) are applied around a toroidally shaped tire carcass (1) on a tire carcass building drum (13) to assemble a green tire. The breaker cushions (6) are fit to the inner circumferential surfaces of the opposite edge portions of the breaker (3) prior to applying the belt (B) around the tire carcass (1). The breaker cushions are fit to the breaker by first winding the cushions around axial end portions of a belt forming drum in a manner such that the diameter of the radially inner peripheral surfaces of the breaker cushions decrease in diameter towards the axially outer extremities of the drum and the radially outer surfaces of the cushions are generally flat. Then the breaker and tread are wound onto the breaker cushions to form the belt which is later removed from the belt forming drum before being applied onto the tire carcass.

REFERENCES:
patent: 4007069 (1977-02-01), Takayanagi et al.
patent: 4269646 (1981-05-01), Miller et al.
patent: 4373566 (1983-02-01), Hirakawa et al.
patent: 4555287 (1985-11-01), Goodfellow
patent: 4673457 (1987-06-01), Goodfellow
patent: 4846907 (1989-07-01), Kumagai et al.

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