Title:
PUNCH DIE SET
Document Type and Number:
WIPO Patent Application WO/1992/013657
Kind Code:
A1
Abstract:
A punch die set capable of easily making changes of a punch, a die and the like and improving a working precision. In this punch die set, a stripper inserted so as to be vertically slidable on the inner peripheral surface of a hollow sleeve (5) solidly secured to a set holder (4) through a bonding agent includes a hollow stripper body (6) and a stripper plate (7) provided with a punch through hole (8) and detachably mounted to the bottom open end of the stripper body (6). A die (2) is detachably mounted onto a die holder (20) solidly secured to the set holder (4) through a bonding agent. Positioning means are provided between the stripper body (6) and the stripper plate (7) and between the die (2) and the die holder (20), respectively.
Inventors:
FUTAMURA SHOJI (JP)
Application Number:
PCT/JP1992/000104
Publication Date:
August 20, 1992
Filing Date:
February 04, 1992
Export Citation:
Assignee:
INST TECH PRECISION ENG (JP)
International Classes:
B21D28/14; B21D28/34; B21D45/00; (IPC1-7): B21D28/14; B21D28/34; B21D45/08
Foreign References:
| JPH0110110Y2 | 1989-03-22 | |||
| JPH0221148Y2 | 1990-06-07 | |||
| JPS5687232U | 1981-07-13 |
Other References:
See also references of EP 0523243A4
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