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
Patent
1993-10-05
1995-07-11
Vargot, Mathieu D.
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
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.
Compagnie Generale Des Etablissements Michelin - Micheline & Cie
Vargot Mathieu D.
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