Snap-in end fitting for pipes

Details Snap-in end fitting for pipes Snap-in end fitting for pipes

1997-09-24

1999-11-09

Arola, Dave W.

Pipe joints or couplings

Essential catch

2851431, 285321, 285921, F16L 37088

Patent

active

059799463

ABSTRACT:
An oil-pipe for an auto-engine has a quick-connect coupling. The pipe has a cold-pressed end-shape, which includes a radial flange. A clip abuts the flange, and secures the coupling. The larger the area of the flange, the more secure the clip, and a recess formed into the wall of the pipe immediately behind the flange adds area to the flange without requiring that the flange have a large external diameter. The recess can be rolled in, or can be formed by cold-pressing.

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patent: 4889368 (1989-12-01), Laipply
patent: 5273323 (1993-12-01), Calmettes et al.
patent: 5286065 (1994-02-01), Austin et al.

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