Title:
FORGERY PREVENTING LABEL
Document Type and Number:
Japanese Patent JP2000293108
Kind Code:
A
Abstract:
To obtain a forgery preventing label having a simple structure, difficult to peel from a body to which the label is stuck and not reusable for forgery, unsealing and tampering.
The forgery preventing label has a brittle substrate 1 and an adhesive layer containing a heat foaming agent. Heat expandable microcapsules 2 are preferably used as the heat foaming agent. The brittle substrate 1 comprises a synthetic resin containing a filler such as silica, calcium carbonate and titanium dioxide.
Inventors:
TAJIMA EIICHI
NAKAYAMA HIDEKI
MASAKI SHINJI
ITO YOSHIAKI
NAKAYAMA HIDEKI
MASAKI SHINJI
ITO YOSHIAKI
Application Number:
JP9600699A
Publication Date:
October 20, 2000
Filing Date:
April 02, 1999
Export Citation:
Assignee:
KURAMOTO SANGYO KK
International Classes:
B42D15/00; B32B5/18; B32B27/18; B32B27/20; B41M3/14; G09F3/03; (IPC1-7): G09F3/03; B32B5/18; B32B27/18; B32B27/20; B41M3/14; B42D15/00
Attorney, Agent or Firm:
Tsuyoshi Watanabe