Metal deforming – By deflecting successively-presented portions of work during... – With cutting of work or product
Patent
1980-10-28
1982-10-05
Combs, Ervin M.
Metal deforming
By deflecting successively-presented portions of work during...
With cutting of work or product
72133, 72166, 72369, B21D 708, B21D 714
Patent
active
043522815
ABSTRACT:
A method and apparatus for bending straight pipe sections which are of predetermined length including cutting at a preset angle, bending, and calibrating to form a finished elbow.
REFERENCES:
patent: 1891338 (1932-12-01), Snell
patent: 1908373 (1933-05-01), Loepsinger
patent: 3354681 (1967-11-01), Lombard
patent: 4031733 (1977-06-01), Coody
Combs Ervin M.
Saffitz Abraham A.
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