Title:
POUCH
Document Type and Number:
Japanese Patent JP3018210
Kind Code:
B2
Abstract:
PURPOSE: To prevent forgery by forming printing ink films in partial regions of a surface where thermal adhesive layers of a high softening temp. and thermal adhesive layers of a low softening temp. coexist on a transmissive film surface.
CONSTITUTION: The printed layers 4 are provided on a photograph, etc., 8 and the films 3 of the thermal adhesive having the low softening point are provided between the printed layers 4 and the upper layer of the pouch in a part of the printed layers 4. The films 3 of the 2nd thermal adhesive having the low softening are melted by heating when the welded surfaces are peeled by heating the surface of the transmissive film 1 in order to forge and, therefore, the films 4 of the printing ink formed on the 2nd thermal adhesive films 3 are peeled from the upper layer of the pouch and are transferred to the photograph 8. O the other hand, the remaining films 4 of the printing ink formed on the films 2 of the 1st thermal adhesive eventually remain on the upper layer of the pouch. A change arises in the state of the films of the printing ink on the upper layer of the pouch before and after the peeling and, therefore, the forgery is identified. Then, the forgery is difficult.
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Inventors:
Hideyuki Takeda
Kawashima Travel
Kenji Fujimori
Sakuzo Tsukada
Kawashima Travel
Kenji Fujimori
Sakuzo Tsukada
Application Number:
JP29108491A
Publication Date:
March 13, 2000
Filing Date:
November 07, 1991
Export Citation:
Assignee:
Fujipla Co., Ltd.
Toyo Ink Mfg. Co., Ltd.
Toyo Ink Mfg. Co., Ltd.
International Classes:
A45C11/18; B32B7/12; B32B27/00; B42D15/10; (IPC1-7): B42D15/10; B32B7/12; B32B27/00
Domestic Patent References:
| JP6279432U |
Attorney, Agent or Firm:
Seiichi Samukawa