Process for making tube conduit connections

Details Process for making tube conduit connections Process for making tube conduit connections

1997-11-04

1999-08-17

Bryant, David P.

Metal working

Method of mechanical manufacture

Assembling or joining

29237, 285238, 285242, 2853824, B23P 1902

Patent

active

059375019

ABSTRACT:
The tube conduit connection contains a tube conduit connector (1) including at least one connecting member (2,2',2") and a tube end (6) which is made of a thermoelastic cross-linked polyolefin and which is firmly and gas-tightly applied to the connecting member by expansion and self-reconversion of the tube end. The connecting member (2,2',2") contains a surface structure (3,3',3") which is outwardly followed by an elongation (4,4',4") having a chamfered end (5,5',5").

REFERENCES:
patent: 295109 (1884-03-01), Bulcroft
patent: 1171551 (1916-02-01), Stepnens
patent: 2367447 (1945-01-01), Strout
patent: 4054984 (1977-10-01), Ball et al.
patent: 4635972 (1987-01-01), Lyall
patent: 4783303 (1988-11-01), Imgram
patent: 5123627 (1992-06-01), Hodges
patent: 5568944 (1996-10-01), Kawasaki
UPONOR brochure entitled VPE.
Plastic Pipes and Systems in the Domestic Water Potable Installation, by Manfred E. Hoffman et al., 1988.
Cross-linked Polyethylene (VPE)--a Novel Pipe Material for Gas Distribution, by Willi Flieg, 1990.

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