Title:
CLAMPER FOR BULGING DIE
Document Type and Number:
Japanese Patent JPS53109860
Kind Code:
A
Abstract:
PURPOSE: To simply and firmly clamp the bulging dies on purpose to perform the bulging with good accuracy and in low cost, by fitting the bulging die, which is separated into two pieces that are protruded outside so as to form the protuberant portion, into the clamper in which the tapered hollow portion is formed correspondingly to above mentioned protuberant portion.
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Inventors:
SUGAWARA HITOSHI
FUJISHIMA SUSUMU
KAZAMA KAZUHIRO
FUJISHIMA SUSUMU
KAZAMA KAZUHIRO
Application Number:
JP2482777A
Publication Date:
September 26, 1978
Filing Date:
March 09, 1977
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B21C37/16; B21D15/00; B21D26/033; B21D26/039; (IPC1-7): B21C37/16; B21D15/00; B21D26/02
Domestic Patent References:
| JPS497790A | 1974-01-23 | |||
| JP46034838A | ||||
| JPS5187464A | 1976-07-31 | |||
| JPS5149163A | 1976-04-28 |