Method of producing pneumatic tire

Details Method of producing pneumatic tire Method of producing pneumatic tire

2007-05-22

2010-12-28

Fischer, Justin (Department: 1747)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S134000

Reexamination Certificate

active

07857929

ABSTRACT:
Provided is a method of producing a pneumatic tire where occurrence of blisters caused by trapped air is prevented even if a thermoplastic resin film is used as an air permeation prevention layer. The method includes: wrapping a thermoplastic resin film (6) around a making drum (20); winding an unvulcanized tie-rubber sheet (7) on the thermoplastic resin film (6) in a manner that a winding start portion (7a) and a winding end portion (7b) of the tie-rubber sheet (7) are overlapped with each other; and thereafter winding a carcass layer (5) on the tie-rubber sheet (7). In the method, an unvulcanized auxiliary rubber sheet (9) is bonded onto the winding start portion (7a) of the tie-rubber sheet (7) so as to project in a circumferential direction, and then the tie-rubber sheet (7) is wound in a manner that the winding end portion (7b) of the tie-rubber sheet (7) is stacked on the auxiliary rubber sheet (9).

REFERENCES:
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patent: 2003/0155059 (2003-08-01), Noel et al.
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patent: A 10-6414 (1998-01-01), None
patent: A 2004-351810 (2004-12-01), None

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