Expandable ring for sealing an envelope against the bead of...

Details Expandable ring for sealing an envelope against the bead of... Expandable ring for sealing an envelope against the bead of...

B - Operations, Transporting

29

D

18/136

B29D 30/54 (2006.01)

Patent

CA 1279165

ABSTRACT OF THE DISCLOSURE: A spreadable ring for sealing an envelope at the bead of the tire to be retreated during the pressure and heat treatment in an autoclave. The ring is spread with the aid of cut-outs (a lap joint) or by forming the ends on both sides of the opened section into a tongue-in-groove joint. In both cases a joint is generated which runs in the circumferential direction. Depending on the bead shape the sealing surface is cylindrical or tapered whereby lateral end stops or rims facilitate the positioning. The spreading is accomplished manually by the inherent tensioning force of the ring or with the aid of tensioning cylinders.

545080

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