Metal deforming – By deflecting successively-presented portions of work during... – With modification or control of temperature or work – tool or...
Patent
1975-07-08
1977-12-13
Combs, E. M.
Metal deforming
By deflecting successively-presented portions of work during...
With modification or control of temperature or work, tool or...
72369, B21D 716
Patent
active
040622169
ABSTRACT:
This invention relates to methods and apparatus for accomplishing bending work on long metal materials such as pipe, bar and rod.
REFERENCES:
patent: 785083 (1905-03-01), Brinkman
patent: 1996838 (1935-04-01), Snell
patent: 2461323 (1949-02-01), Hille
patent: 3328988 (1967-07-01), Schmidt
patent: 3368377 (1968-02-01), Hirayama et al.
patent: 3896649 (1975-07-01), Stuart
patent: 3902344 (1975-09-01), Stuart
Hanamoto Yukimitsu
Unoki Shigeki
Combs E. M.
Daiichi Koshuha Kogyo Kabushiki Kaisha
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