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Title:
FORGERY PREVENTION MEMBER, FORGERY PREVENTION PAPER AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2012/077761
Kind Code:
A1
Abstract:
The present invention provides a forgery prevention paper which can exhibit excellent offset printability and in which forgery prevention members scarcely stick to each other in the course of paper making. A method for producing a forgery prevention member, said method comprising: forming a first adhesive layer, said first adhesive layer being capable of adhering to a paper, on one surface of a sheet-type substrate having a forgery prevention effect; forming a second adhesive layer, said second adhesive layer being capable of adhering to the paper, on the other surface of the sheet-type substrate; superimposing the sheet-type substrate on a first water-soluble sheet or an unsized paper sheet, with said first adhesive layer being interposed therebetween; superimposing the sheet-type substrate on a second water-soluble sheet or an unsized paper sheet, with said second adhesive layer being interposed therebetween; and cutting or punching the sheet-type substrate, said sheet-type substrate being provided with the first and second adhesive layers formed thereon, in the state of being sandwiched between the first and second water-soluble sheets or unsized paper sheets to give a fibrous or filmy forgery prevention member.

Inventors:
MURAKAMI TORU (JP)
GOCHO SATOSHI (JP)
NAKASHIBA MICHIYA (JP)
KUBO AKIRA (JP)
Application Number:
PCT/JP2011/078470
Publication Date:
June 14, 2012
Filing Date:
December 08, 2011
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD (JP)
MURAKAMI TORU (JP)
GOCHO SATOSHI (JP)
NAKASHIBA MICHIYA (JP)
KUBO AKIRA (JP)
International Classes:
D21H21/42; B42D15/10
Domestic Patent References:
WO2009119879A12009-10-01
Foreign References:
JP2003306896A2003-10-31
JP2001159094A2001-06-12
JPH10140500A1998-05-26
JP2004190205A2004-07-08
JP2002120475A2002-04-23
JP3075454B22000-08-14
US3565985A1971-02-23
JP2845197B21999-01-13
JP2006002296A2006-01-05
JP2006307384A2006-11-09
JP2006180983A2006-07-13
JP2006002277A2006-01-05
JPS40968B11965-01-20
JP2549159B21996-10-30
Other References:
See also references of EP 2650433A4
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
Masatoshi Kurata (JP)
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