Metal deforming – Process – Tube making or reshaping
Reexamination Certificate
2006-10-17
2006-10-17
Suhol, Dmitry (Department: 3725)
Metal deforming
Process
Tube making or reshaping
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.
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patent: 2146558 (1985-04-01), None
patent: 62013218 (1987-01-01), None
Gonzalez Cruz Jorge Carlos
Uribe Quintanilla Antonio
Melter S.A. De C.V.
Suhol Dmitry
Young & Thompson
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