Bladder control mechanism of tire vulcanizer

Details Bladder control mechanism of tire vulcanizer Bladder control mechanism of tire vulcanizer

1991-12-09

1993-06-29

Hart, Charles

Plastic article or earthenware shaping or treating: apparatus

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

Control means responsive to condition sensing means

425 48, 425 52, B29D 2900

Patent

active

052232735

ABSTRACT:
A bladder control mechanism of a tire vulcanizer includes an actuating mechanism for moving a bladder holder and a bladder gripping bowl of an upper bladder clamp relative to one another. A spring of the control mechanism imparts a gripping force to the bladder holder. Therefore, no re-tightening is required while a bladder is in use. When the bladder is to be changed, the actuating mechanism is actuated to forcibly separate the bladder holder from the bladder gripping bowl in opposition to the spring. As a result, the bladder holder frees the edge portion of the bladder. Further, due to a bayonet connection, the bladder can be readily changed in a short time by turning and removing the bladder holder.

REFERENCES:
patent: 2728105 (1955-12-01), Pacciarini
patent: 3690795 (1972-09-01), Yoshida et al.
patent: 3846058 (1974-11-01), Yoshida et al.
patent: 4670209 (1987-06-01), Nakagawa et al.

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