Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1997-05-27
1999-10-05
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
425 36, 425 38, B29C 3500
Patent
active
059619139
ABSTRACT:
A process for vulcanizing tires in an automatically actuatable curing press, which has a vulcanization mold of two or more parts that can be opened and closed and has bead rings for positioning and shaping the tire beads, wherein the bead rings can be moved via actuation mechanisms in the axial direction with regard to the tire position in the curing press. A loading device takes the tire to be vulcanized and positions the tire on the lower bead ring. The press/mold/tire system is sealed inside the bead rings by the curing mold and/or the press and is sealed outside the bead rings by the tire. The automatically actuatable curing press, which is for vehicle tires, has a vulcanization mold of two or more parts that can be opened and closed, and has mold segments, side shells, and bead rings for positioning and shaping the tire beads of the tire. A loading device is provided for taking the tire to be vulcanized and positioning it on the lower bead ring. The press/mold/tire system is sealed inside the bead rings by the curing mold and/or the press and is sealed outside the bead rings by the tire. At least the lower bead ring can be moved independently of the side shells of the mold.
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Semperit Reifen Aktiengesellschaft
Vargot Mathieu D.
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