Title:
CHUCK DEVICE
Document Type and Number:
Japanese Patent JP2711823
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To realize the low cost by providing a holding piece consisting of a base part capable of being displaced along the inner circumferential surface of a casing and an exchangeable part which is attachable/detachable to/from the base part, and changing only the exchanging part in holding a material of different section.
SOLUTION: In a chuck device, a holding piece consists of base parts 5, 7, 8 capable of being displaced along the inner circumferential surface of a casing, and exchangeable parts 6, 9, 10 of the section corresponding to an end part of a metallic extruded material attachable/detachable to/from the base parts 5, 7, 8. When the metallic extruded material of different section is held, only the exchangeable parts 6, 9, 10 are detached from the base parts 5, 7, 8, and changed by other parts.
Inventors:
Masamichi
Application Number:
JP31171995A
Publication Date:
February 10, 1998
Filing Date:
November 30, 1995
Export Citation:
Assignee:
Japan Airplane Co., Ltd.
International Classes:
B21D25/04; B21D43/00; B21D53/92; B23B31/12; B23B31/173; (IPC1-7): B21D25/04; B21D43/00; B21D53/92
Domestic Patent References:
| JP4713778A | ||||
| JP563708U | ||||
| JP4121515Y1 |
Attorney, Agent or Firm:
Utaka Katsumi