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Title:
HOLE PUNCHING DEVICE AND HOLE PUNCHING METHOD
Document Type and Number:
WIPO Patent Application WO/2007/043126
Kind Code:
A1
Abstract:
A hole punching device for punching holes at high productivity in the entire surface of a strip-like workpiece (W). The hole punching device (100) has a base (110), two workpiece feeding devices (210, 220) respectively having upper rollers (212, 222) and lower rollers (214, 224) and horizontally moving and positioning the workpiece (W) in the workpiece feeding direction (hereinafter referred to as one direction), and a hole punching mechanism (400). The hole punching mechanism (400) has a punching die (500) having a forming die (510) and a punching die (520) and placed between the two workpiece feeding devices (210, 220). The hole punching mechanism (400) is horizontally movable relative to the base (110) in the other direction normal to the one direction and is finely movable relative to the base (110) in the one direction.

Inventors:
KATO KAZUHIKO (JP)
Application Number:
PCT/JP2005/018202
Publication Date:
April 19, 2007
Filing Date:
September 30, 2005
Export Citation:
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Assignee:
BEAC CO LTD (JP)
KATO KAZUHIKO (JP)
International Classes:
B21D28/04; B21D28/00
Domestic Patent References:
WO2004110665A12004-12-23
Foreign References:
JP2001341097A2001-12-11
JPS61107435U1986-07-08
JP2002137022A2002-05-14
JPH03113350U1991-11-19
JP2000246566A2000-09-12
JPH0639795A1994-02-15
JPS6241410U1987-03-12
JPH0513619U1993-02-23
JPH0491832A1992-03-25
JPS5794982U1982-06-11
JPH09141599A1997-06-03
JP2004268175A2004-09-30
JPH0890496A1996-04-09
Other References:
KIKAI NO MOTO FUKUKAN IINKAI: "Sin Pen Kikai no Moto", 30 October 1996, RIKOGAKUSHA, pages: 13, XP003010987
Attorney, Agent or Firm:
MATSUO, Nobutaka (Nagano Branch 9862-60, Ochiai, Fujimi-machi, Suwa-gu, Nagano 14 ., JP)
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