Title:
COMPOSITE WORKING MACHINE
Document Type and Number:
Japanese Patent JP3224240
Kind Code:
B2
Abstract:
PURPOSE: To provide a composite working machine capable of punching a plate and working a V-shaped groove on it.
CONSTITUTION: This machine is characterized in conbining a punching device 27 to punch a plate material W to form the plate material to a desired shape and a groove working device 29 to work the V-shaped groove on a bend part before bending the plate material W to decrease the radius of curvature of the bend part when the plate material W is bent at the bend part.
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Inventors:
Akio Kondo
Application Number:
JP20086691A
Publication Date:
October 29, 2001
Filing Date:
August 09, 1991
Export Citation:
Assignee:
Amada Co., Ltd.
International Classes:
B21D17/02; B21D17/00; B21D28/36; B23P23/04; (IPC1-7): B21D28/36; B23P23/04
Domestic Patent References:
JP5950916A | ||||
JP5527415A | ||||
JP5082683A | ||||
JP54140383U | ||||
JP5528085U | ||||
JP318992U |
Attorney, Agent or Firm:
Hidekazu Miyoshi (4 outside)