Apparatus for vulcanizing pneumatic tires

Details Apparatus for vulcanizing pneumatic tires Apparatus for vulcanizing pneumatic tires

1990-10-03

1992-09-08

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

Reshaping, resizing or vulcanizing means for tire, tire...

425 40, B29C 3502

Patent

active

051456885

ABSTRACT:
In a vulcanizing apparatus of the two-piece mold type, an upper cover surrounding the upper mold section is fixed to an upper sealing plate under an upper platen and a lower cover is fixed below the upper cover through a flexible seal tube, the upper and lower covers being connected by a plurality of air cylinders to urge the lower cover downward. In a vulcanizing apparatus of the segmental mold type, a jacket ring surrounding the upper mold section is fixed on an upper sealing plate under an upper platen, an upper cover surrounding the jacket ring is fixed to the sealing plate, and a lower cover is fixed below the upper cover through a fleixble seal tube, the upper and lower covers being connected by a plurality of air cylinders to urge the lower cover downward.

REFERENCES:
patent: 3730658 (1973-05-01), Marra
patent: 3768937 (1974-09-01), Singh
patent: 3890073 (1975-06-01), Getz
patent: 4092090 (1978-05-01), Yuhas et al.
patent: 4453902 (1984-06-01), Imbert
patent: 4800059 (1989-01-01), Drewel et al.
patent: 4813861 (1989-03-01), Hasegawa et al.
patent: 4927344 (1990-05-01), Amano et al.

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