Process and apparatus for making improved tire curing bladders

Details Process and apparatus for making improved tire curing bladders Process and apparatus for making improved tire curing bladders

B - Operations, Transporting

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D

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B29D 30/12 (2006.01) B29C 33/10 (2006.01) B29C 33/46 (2006.01) B29C 37/00 (2006.01) B29C 43/12 (2006.01)

Patent

CA 1227611

PROCESS AND APPARATUS FOR MAKING IMPROVED TIRE CURING BLADDERS ABSTRACT OF THE DISCLOSURE The quality and useful life of curing bladders used in standard "Bag- O-matic" tire vulcanizing presses is greatly improved by replacing the standard split two-piece core of the bladder mold with a unitary core which forms a disc-like rubber diaphragm below the core and integral with the rubber curing bladder at the periphery of the core. A unique base plate fits in the lower mold half below the core and has a grooved upper surface to hold the diaphragm in place so that the core can be removed manually or automatically with the assistance of internal air pressure.

467064

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