Method of coupling tubes or pipes by using pressure generated by

Details Method of coupling tubes or pipes by using pressure generated by Method of coupling tubes or pipes by using pressure generated by

1993-07-01

1995-10-24

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 455, 264 464, 264 469, 264 53, 264 54, 285382, B29C 4406, B29C 4412

Patent

active

054607620

ABSTRACT:
Tubes or pipes are engaged on an insert and are fixed thereon in sealed manner by molding a plastics material at least over those zones of said tubes or pipes that co-operate with the insert. The plastics material is molded so as to form a cellular material whose expansion is performed so as to give rise to compression forces on said tubes or pipes that ensure that said tubes or pipes are fixed or sealed onto the insert.

REFERENCES:
patent: 3572769 (1971-03-01), Lingl
patent: 3949461 (1976-04-01), Thastrup
patent: 3954274 (1976-05-01), Grandlic et al.
patent: 4090899 (1978-05-01), Reich
patent: 4358417 (1982-11-01), Beinhauer
patent: 4647716 (1987-03-01), Akiyama et al.
patent: 5248171 (1993-09-01), Briet

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