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Title:
SECURITY PAPER COMPRISING FIBER WEB TO BE CALENDARED
Document Type and Number:
Japanese Patent JP2009114620
Kind Code:
A
Abstract:

To provide novel useful security paper comprising fiber web to be calendered.

The security paper is a security paper comprising fiber web to be calendered, and in the process of the calendering treatment of fiber web, a desired form of un-calendered aria or weakly calendered aria is left at least on one side of the fiber web, and the un-calendered or weakly calendered area can clearly be distinguished from the left part on the surface of the calendered fiber web part.


Inventors:
LIPPONEN JUHA
NISSINEN VILHO
KOIVUKUNNAS PEKKA
VILJANMAA MIKA
VAITTINEN HENRI
PIETIKAEINEN REIJO
HASANEN KARI
SUTTI RISTO
LARES MATTI
LINNONMAA PEKKA
KYTTSOENEN MARKKU
TERVONEN MATTI
KETTUNEN HEIKKI
HOLOPAINEN KARI
Application Number:
JP2009000048291
Publication Date:
May 28, 2009
Filing Date:
March 02, 2009
Export Citation:
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Assignee:
METSO PAPER INC
International Classes:
D21H21/40; D21F3/02; D21F5/00; D21G1/00; D21H25/04
Domestic Patent References:
JP2001316996A2001-11-16
JP2000153564A2000-06-06
JP2001262497A2001-09-26
JP2001277354A2001-10-09
Attorney, Agent or Firm:
伊東 忠彦