Title:
PUNCH ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2008/013289
Kind Code:
A1
Abstract:
A punch assembly has a punch head screwable to a punch body, and the punch head has
a slit and a first tapered section. The punch assembly further has a ring member
having a second tapered section fittable to the first tapered section of the punch
head. A pressing member capable of pressing the ring member is provided at the
punch head, and a third tapered section is provided at the upper face of the ring
member.
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Inventors:
SUGIZAKI FUMITAKA (JP)
IWAMOTO MASAMI (JP)
IWAMOTO MASAMI (JP)
Application Number:
PCT/JP2007/064823
Publication Date:
January 31, 2008
Filing Date:
July 23, 2007
Export Citation:
Assignee:
AMADA CO LTD (JP)
SUGIZAKI FUMITAKA (JP)
IWAMOTO MASAMI (JP)
SUGIZAKI FUMITAKA (JP)
IWAMOTO MASAMI (JP)
International Classes:
B21D28/34
Foreign References:
JP2003136157A | 2003-05-14 | |||
JPH0211622U | 1990-01-24 |
Attorney, Agent or Firm:
SAITO, Akira (Hongo 2-chomeBunkyo-k, Tokyo 33, JP)
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