Method for curing tires using a self-locking tire mold

Details Method for curing tires using a self-locking tire mold Method for curing tires using a self-locking tire mold

2003-04-17

2008-12-02

Vargot, Mathieu D. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

C156S110100, C425S047000

Reexamination Certificate

active

07459117

ABSTRACT:
A segmented mold2for molding a tire100is described which has a central axis; plurality of radially movable tread forming segments; two sidewall forming plates, a top sidewall forming plate8, and a bottom sidewall forming plate6; a top locking ring10having a plurality of circumferentially spaced means30for locking the segments4, each means for locking30providing a predetermined angular path75for radially contracting the segments4upon closing the mold2in a locked position. The segmented2mold for molding a tire100further has a bottom locking ring20having a complementary plurality of circumferentially spaced means30for locking the segments4, each means for locking30providing a predetermined angular path for radially contracting the segments4upon closing the mold.

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