Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2006-07-04
2006-07-04
Compton, Eric (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S421100, C264S523000, C264S528000
Reexamination Certificate
active
07069635
ABSTRACT:
A method for forming an integral socket to a pipe made from biaxially oriented thermoplastic material is described. The pipe has a pipe body and is provided, at one or both ends, with an integral socket. The biaxially oriented thermoplastic pipe is subjected to a socket-forming operation comprising the steps of fixing both axial ends of the unheated end part of the pipe, heating the fixed end part to a suitable socket-forming temperature in one or more steps, and expanding the axially fixed end part with the aid of a fluid pressure in the interior of the end part and/or a vacuum on the outer side of the end part, which expansion may begin as early as during the heating of the end part.
REFERENCES:
patent: 3899565 (1975-08-01), de Putter et al.
patent: 3982871 (1976-09-01), Moddel
patent: 4113813 (1978-09-01), Wilson
patent: 4428900 (1984-01-01), Riley et al.
patent: 4457886 (1984-07-01), Acda et al.
patent: 5928451 (1999-07-01), Johansson et al.
patent: 5942171 (1999-08-01), Prenger
patent: 6220846 (2001-04-01), Savioli et al.
patent: 6383435 (2002-05-01), Savioli et al.
patent: 6447710 (2002-09-01), Prevotat et al.
patent: 6540955 (2003-04-01), Hutchinson et al.
patent: 0 404 557 (1990-12-01), None
patent: 0 930 148 (1999-07-01), None
patent: 2 267 193 (1974-04-01), None
patent: 2 365 423 (1977-09-01), None
patent: 1 432 539 (1976-04-01), None
patent: 60-036130 (1985-02-01), None
patent: 7306742 (1973-11-01), None
patent: 9400894 (1994-06-01), None
patent: WO 97/48545 (1997-06-01), None
Prenger Jan Hendrik
van Lenthe Arjan Dirk
Visscher Jan
Wormald Duncan Hamilton
Blank Rome LLP
Compton Eric
Wavin B.V.
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