Unloader mechanism for use with a vulcanizing machine

Details Unloader mechanism for use with a vulcanizing machine Unloader mechanism for use with a vulcanizing machine

1987-01-13

1989-01-24

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

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

Toroidal or annular female shaping means and coacting means...

425 32, B29C 3500

Patent

active

047998717

ABSTRACT:
An unloader machanism for removing a cured tire from a lower mold of a vulcanizing machine and which includes a horizontally movable frame body, a fluid cylinder fixedly mounted on the frame body and a grappling unit being vertically movable by the fluid cylinder coaxially of the lower mold of the machine. The grappling unit includes a plurality of angularly uniformly spaced fingers being movable into an opening defined by an upper bead portion of the tire for engaging the upper bead portion. Under the application of a lifting force of the fluid cylinder, the fingers strip the tire directly from the lower mold and an upper ring of a bag well unit disposed centrally of the lower mold.

REFERENCES:
patent: 3229329 (1966-01-01), Heston et al.
patent: 3712769 (1973-01-01), Cimprich
patent: 4170442 (1979-10-01), Singh
patent: 4190406 (1980-02-01), Geck et al.
patent: 4391769 (1983-07-01), Ishikawa et al.
patent: 4597729 (1986-07-01), Singh et al.
patent: 4600370 (1986-07-01), Kaneko et al.
patent: 4618303 (1986-10-01), Irie
patent: 4618320 (1986-10-01), Singh
patent: 4629385 (1986-12-01), Irie
patent: 4725212 (1988-02-01), Singh

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