Method and apparatus for the manufacture of composite...

Details Method and apparatus for the manufacture of composite... Method and apparatus for the manufacture of composite...

B - Operations, Transporting

29

C

18/960

B29C 69/00 (2006.01) B29C 45/00 (2006.01) B29C 45/03 (2006.01) B29C 45/04 (2006.01) B29C 45/32 (2006.01)

Patent

CA 1274667

ABSTRACT METHOD AND APPARATUS FOR THE MANUFACTURE OF COMPOSITE ARTICLES, AND ARTICLES MADE THEREBY. A plastics pipe or pipe coupling is made by injection moulding the plastics pipe or coupling body, injection moulding at least one sealing ring separately but susbstantially simultaneously, and bringing the body and sealing ring together directly after the moulding while these components are still in a hot as-moulded state, so that a direct thermal bond is formed between them. Preferably, the respective moulds are opened but the components are not stripped but are brought together for bonding while still in position on respective mould members. This eliminates intermediate handling and ensures that the moulded components remain clean and of accurate shape and dimension as they are brought together. Moulding apparatus comprises respective injection moulding cavities for the body and sealing ring, and a reversible support for carrying the sealing ring out of its mould and into contact with the moulded body.

513217

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