Metal deforming – By deflecting successively-presented portions of work during... – With modification or control of temperature or work – tool or...
Patent
1976-07-29
1978-10-31
Combs, E. M.
Metal deforming
By deflecting successively-presented portions of work during...
With modification or control of temperature or work, tool or...
72342, 72364, 72702, 72369, B21D 716, B21D 7024
Patent
active
041226976
ABSTRACT:
A means and method is provided for reducing radius expansion of bent, elongated materials due to "spring-back" occurring after the material is released from the bender clamps of a hot bending apparatus, wherein the longitudinal axis of the unbent portion of the material is displaced by a small angle from a perpendicular to a line running through the center of the bend and the bender heating means.
REFERENCES:
patent: 2812004 (1957-11-01), Huet
patent: 3156287 (1964-11-01), Munro
patent: 3352136 (1967-11-01), Clarke
patent: 3368377 (1968-02-01), Hirayama et al.
patent: 3896649 (1975-07-01), Stuart
patent: 3902344 (1975-09-01), Stuart
Hanyo Susumu
Morishita Yoshiyuki
Noguchi Itoshi
Yamaguchi Jousuke
Combs E. M.
Daiichi Koshuha Kogya Kabushiki Kaisha
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