Mandrel assembly for vulcanizing a vent tube with the bore...

Details Mandrel assembly for vulcanizing a vent tube with the bore... Mandrel assembly for vulcanizing a vent tube with the bore...

B - Operations, Transporting

29

D

18/1170

B29D 23/00 (2006.01) B29C 65/00 (2006.01)

Patent

CA 1138171

MANDREL ASSEMBLY FOR VULCANIZING A VENT TUBE WITHIN THE BORE OF A FILLER NECK HOSE HAVING A COMPLEX MULTI-CURVED CONFIGURATION Abstract of the Disclosure A mandrel assembly for vulcanizing an elastomeric vent tube within the bore of a larger elastomeric filler neck hose having a complex, multi-curved configuration comprises an elastomeric flexible vent tube mandrel and a metallic filler neck mandrel having a groove oriented longitudinally along the curved surface of a depth for receiving a mandrel mounted vent tube therein such that a portion of the tube outside surface is in intimate contact with the bore surface of the filler neck hose when it is mounted on the filler neck mandrel. Upon vulcanization, the elastomeric mandrel is pulled out the vent tube and the filler neck hose is pulled off the filler neck mandrel with the vent tube being integrally joined to the filler neck hose bore at their contacting surfaces.

335311

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