Bladder, bladderless-type dual-purpose tire vulcanizer

Details Bladder, bladderless-type dual-purpose tire vulcanizer Bladder, bladderless-type dual-purpose tire vulcanizer

1991-03-01

1992-11-17

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

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

Means shaping drum shaped preform to tire casing shape

425 36, 425 44, 425 48, 425 51, 425182, 425183, B29C 3502

Patent

active

051641992

ABSTRACT:
A bladder bladderless-type dual-purpose tire vulcanizer wherein a lower center mechanism for the bladder type and a lower center mechanism for the bladderless type are interchangeably mounted on a lower platen which supports a lower half of a mold. An upper center mechanism for the bladderless type is vertically movably mounted, between an operating position and an upper waiting position, on an upper plate which supports an upper half of the mold. An upper bead ring for the bladder type and an upper bead ring for the bladderless type are interchangeably mounted on the upper half of the mold. Furthermore the lower center mechanism is provided with a lower bead ring, and upper and lower domes for enclosing and clamping the upper and lower platens.

REFERENCES:
patent: 3918861 (1975-11-01), Klose
patent: 4181483 (1980-01-01), Pech et al.
patent: 4236883 (1980-12-01), Turk et al.
patent: 4400342 (1983-08-01), Logan
patent: 4721446 (1988-01-01), Ichikawa

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