Title:
PUSH THROUGH TYPE BENDING DEVICE
Document Type and Number:
Japanese Patent JP3792459
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To hardly cause a flaw on the surface of a work, to hardly cause buckling to the work and to hardly cause a wrinkle on the inner peripheral face of the work.
SOLUTION: A device is provided with a fixed die 1 having a work passing through hole 3 and a moving die 2 which has a work passing through hole 4, is arranged in front of the fixed die and is supported to freely turn, displace and rotate, a work W is bent, while passing through, between the fixed die and the moving die. A roller 5 is arranged at a work outlet side of the work passing through hole of the fixed die and at the inside of the direction the work is bent. A resin block is arranged at a bottom side of the roller and adjacent to the roller. The roller is formed to the barrel shape having a diameter at a center side larger than both end diameter.
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Inventors:
Kimio Ito
Shunichi Sada
Shunichi Sada
Application Number:
JP33069699A
Publication Date:
July 05, 2006
Filing Date:
November 19, 1999
Export Citation:
Assignee:
Mitsubishi Aluminum Co., Ltd.
International Classes:
B21D7/08; (IPC1-7): B21D7/08
Domestic Patent References:
| JP48007302Y1 | ||||
| JP3120915U |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Takashi Watanabe
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