Method of producing a tubing for use as a flow conduit

Details Method of producing a tubing for use as a flow conduit Method of producing a tubing for use as a flow conduit

1992-12-17

1994-02-08

Nicholson, Eric K.

Metal working

Method of mechanical manufacture

Gas and water specific plumbing component making

2989015, 2853345, 285354, B23P 1904

Patent

active

052839516

ABSTRACT:
A hydraulic coupling and method for producing such having a tubing with an end portion of a tubing wall outwardly bent and return bent upon itself to form a flattened double flanged end. The method of production using three separate press hits to secure a sleeve to the tubing, to form an annular V-shaped flange in the tubing wall and to compact the V-shaped flange into a flattened double flanged end.

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patent: 4538842 (1985-09-01), Kowal et al.
patent: 4598937 (1986-07-01), Sugao
patent: 5131145 (1992-07-01), Badoureaux

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