B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
154/18
B29D 30/32 (2006.01) B29D 30/26 (2006.01)
Patent
CA 1084401
AN INFLATABLE BLADDER FOR A TIRE BUILDING DRUM Abstract of the Disclosure An inflatable bladder for a tire building drum is adapted for mounting snugly on a cylindrical drum exten- sion which has a circumferential groove accommodating a non-inflatable elastic ring secured integrally to the bladder. The bladder inner wall has a flangeless port between two circumferential sealing ribs integral with the bladder wall. The port is in air-flow communication with a channel in the outer surface of the extension. The foregoing abstract is not to be taken as limit- ing the invention of this application, and in order to understand the full nature and extent of the technical disclosure of this application, reference must be made to the accompanying drawing and the following detailed description.
283888
Head William J.
von Der Heyde Richard C.
Na
The Goodyear Tire & Rubber Company
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