Flared double-wall structure for connecting metal pipes

Details Flared double-wall structure for connecting metal pipes Flared double-wall structure for connecting metal pipes

1993-12-09

1994-10-11

Nicholson, Eric K.

Pipe joints or couplings

Particular interface

Tapered

285328, 285917, F16L 1902

Patent

active

053541073

ABSTRACT:
Herein disclosed is a flared double-wall structure which forms one open end of a metal pipe to be connected to one end of a mating joint. The flared double-wall structure has one annular brim formed on and along the inner sheet face of the double walls and in the open end.

REFERENCES:
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patent: 4893657 (1990-01-01), Usui
patent: 5002316 (1991-03-01), Chohan
patent: 5271647 (1993-12-01), Usui

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