Tire mold and process for making the mold

Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern

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Details

2491141, 249116, 264315, 264326, 425812, 427135, B29C 3310, B29C 4108

Patent

active

054318734

ABSTRACT:
The tire mold having a surface 5 of open porosity which covers at least in art certain of the molding surfaces 10 and 20 in order to assure the venting of the mold.

REFERENCES:
patent: 3692090 (1972-09-01), Brobeck et al.
patent: 4120930 (1978-10-01), Lemelson
patent: 4347212 (1982-08-01), Carter
patent: 4426497 (1984-01-01), Kent
patent: 4691431 (1987-09-01), Hayata
patent: 5234326 (1993-08-01), Galli et al.

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