Title:
ELASTIC SHEET PUNCHING DEVICE AND ELASTIC SHEET PUNCHING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/224367
Kind Code:
A1
Abstract:
This elastic sheet punching device (1) causes a first punch plate (13) to approach a first die plate (18) when an elastic sheet (2) is disposed on the first die plate (18), clamps the elastic sheet (2) between a first stripper plate (15) and the first die plate (18), and then punches the elastic sheet (2) with punch units (12) that protrude from the first stripper plate (15). A stripper plate surface (15a) and a first die plate surface (18a) are provided with stripper plate side recess sections (27) and die plate side recess sections (28) that divide a space (29) of a transferred shape in which the shape of the elastic sheet 2 is transferred when the surfaces are brought into contact.
Inventors:
SAKAMOTO KENTARO (JP)
AOKI KENJI (JP)
AOKI KENJI (JP)
Application Number:
PCT/JP2021/016117
Publication Date:
October 27, 2022
Filing Date:
April 21, 2021
Export Citation:
Assignee:
AIR WATER MACH INC (JP)
International Classes:
B26F1/02; B26F1/44
Foreign References:
| JPS583677Y2 | 1983-01-21 | |||
| JPS583678Y2 | 1983-01-21 | |||
| JPS6142300U | 1986-03-18 | |||
| JPH09234698A | 1997-09-09 | |||
| JPH0735014U | 1995-06-27 | |||
| JP2019042928A | 2019-03-22 |
Attorney, Agent or Firm:
KAWAI Toru et al. (JP)
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