Method for the manufacture of a pipe bend

Details Method for the manufacture of a pipe bend Method for the manufacture of a pipe bend

1982-06-25

1985-11-26

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

72366, 29157A, 228152, 2281736, B21C 3708, B21D 2100, B21D 510, B21H 122

Patent

active

045548161

ABSTRACT:
The invention relates to a method for the manufacture of a pipe bend, whereby to obtain a uniform wall thickness one starts from a strip or sheet in the butted tube manufacture, the thickness of which constantly changes such that on the butted tube there is in each case respectively a longitudinal line with the greatest and smallest pipe wall thickness, lying opposite each other on the pipe cross section.

REFERENCES:
patent: 1623064 (1927-04-01), Napier
patent: 1840512 (1932-01-01), Kling
patent: 1891338 (1932-12-01), Snell
patent: 2406838 (1946-09-01), Kepler
patent: 3129496 (1964-04-01), Cox
patent: 3499305 (1970-03-01), Abernathy

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