Water cooled panel and forming method

Metal deforming – Process – Tube making or reshaping

Reexamination Certificate

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Details

C072S128000, C072S342500, C072S364000

Reexamination Certificate

active

07121131

ABSTRACT:
A bending method for producing a coil using a thick wall pipe, comprising a simultaneous hot bending and pressing of the pipe by which it is possible to obtain a coil without welded 180° elbows since the return sections are integral part of the pipe.

REFERENCES:
patent: 3229489 (1966-01-01), Huet
patent: 3753635 (1973-08-01), Barnett
patent: 5491996 (1996-02-01), Baarman et al.
patent: 6038902 (2000-03-01), Talley et al.
patent: 6309588 (2001-10-01), Powell et al.
patent: 6715202 (2004-04-01), Beaver
patent: 2146558 (1985-04-01), None
patent: 62013218 (1987-01-01), None

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