Center mechanism for a tire vulcanizing machine

Plastic article or earthenware shaping or treating: apparatus – Reshaping – resizing or vulcanizing means for tire – tire... – Internal mold – form or support for toroid

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Details

425 58, 425400, B29C 3502

Patent

active

050982699

ABSTRACT:
A center mechanism for a tire mold comprising a mushroom-shaped bladder, a clamp ring for clamping a lower opening edge of the bladder, a post cylinder for extending and contracting a height of the bladder, a movable stopper for receiving a depressing force against the clamp ring which is generated by heating medium introduced into the bladder upon vulcanizing a tire, and a bladder elevator cylinder for elevating and lowering the clamp ring upon loading and unloading a tire.

REFERENCES:
patent: 2559118 (1951-07-01), Frank
patent: 3396221 (1968-08-01), Balle et al.
patent: 3790656 (1974-02-01), Getz
patent: 3846058 (1974-11-01), Yoshida et al.

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