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Patent Searching and Data


Title:
BLADE DIE, FILM PUNCHING METHOD USING BLADE DIE, AND PUNCHING DEVICE EQUIPPED WITH BLADE DIE
Document Type and Number:
WIPO Patent Application WO/2018/025619
Kind Code:
A1
Abstract:
Provided are: a blade die that, when punching a film, enables reducing damage delivered to the film; a film punching method using said blade die; and a punching device equipped with said blade die. The blade die according to the present invention is provided with: a punching blade that has a closed shape when viewed in a plan view; and sub blades that are disposed on an outer side of said punching blade. In one embodiment of the present invention, the sub blades are disposed in a discontinuous manner along the punching blade. In one embodiment of the present invention, the punching blade is configured to have a blade height taller than that of the sub blades.

Inventors:
SUGIMOTO Atsuhiko (1-1-2 Shimohozumi, Ibaraki-sh, Osaka 80, 〒5678680, JP)
NAKAI Kota (1-1-2 Shimohozumi, Ibaraki-sh, Osaka 80, 〒5678680, JP)
LI Shinshing (NO.7, Keya W. RD., Daya Dist., Taichung Cit, ., 42882, TW)
CHEN Tingxiang (NO.7, Keya W. RD., Daya Dist., Taichung Cit, ., 42882, TW)
KAO Chihwei (NO.7, Keya W. RD., Daya Dist., Taichung Cit, ., 42882, TW)
HO Hsingjung (NO.7, Keya W. RD., Daya Dist., Taichung Cit, ., 42882, TW)
Application Number:
JP2017/025734
Publication Date:
February 08, 2018
Filing Date:
July 14, 2017
Export Citation:
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Assignee:
NITTO DENKO CORPORATION (1-1-2, Shimohozumi Ibaraki-sh, Osaka 80, 〒5678680, JP)
International Classes:
B26F1/44; G02B5/30
Attorney, Agent or Firm:
MOMII Takafumi (7th Floor, Aqua Dojima East 1-4-4, Dojimahama, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
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