Welded polymeric articles and process

Details Welded polymeric articles and process Welded polymeric articles and process

B - Operations, Transporting

29

C

18/972

B29C 65/50 (2006.01) C08J 5/12 (2006.01)

Patent

CA 1051157

ABSTRACT Described herein are butt-welded polymeric articles and means of effecting joinder of cross-linked polymeric articles by means of such welds. The invention finds application in, e.g., forming large-diameter heat recover- able sleeves from cross-linked polymeric sheets, e.g., corrosion-proofing pipe joints and the like. The weld is effected by heating under compression a plurality of thermoplastic inserts spaced along the ends of the polymeric articles to be welded, the inserts containing a peroxide or other heat activated cross-linking agent.

228638

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