Tire mold with controlled internal pressure

Details Tire mold with controlled internal pressure Tire mold with controlled internal pressure

1996-09-19

1998-09-29

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264315, 425 39, 425 47, B29C 3500

Patent

active

058142630

ABSTRACT:
Mold for a tire or for an annular tread member of a tire, including a mullicity of sectors moving radially and closed by the axial displacement of a crown coming to act upon the frusto-conical sector seats, and of an annular element, midway between the crown and the sector seats, intended to permit axial retraction of the crown when the internal pressure in the cavity of the mold exceeds a given threshold of pressure.

REFERENCES:
patent: 3682576 (1972-08-01), Gross
patent: 3901632 (1975-08-01), Prosdocimi
patent: 3922122 (1975-11-01), Bottasso et al.
patent: 3989791 (1976-11-01), Tippin
patent: 4289463 (1981-09-01), Le Moullac
patent: 4931004 (1990-06-01), Fogorasi et al.
patent: 5269669 (1993-12-01), Ladouce
patent: 5382402 (1995-01-01), Espie et al.
patent: 5585064 (1996-12-01), Moris-Herbeuval et al.

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