Title:
SHEET FOR SUPERIMPOSITION AND ITS PREPARATION
Document Type and Number:
Japanese Patent JP3190389
Kind Code:
B2
Abstract:
PURPOSE: To prevent adhesive strength of an adhesive from decreasing due to irradiation of ultraviolet rays for heating and curing ink in a sheet for superimposition.
CONSTITUTION: Ultraviolet rays having a small generation amount of ozone are applied to an adhesive 15 corresponding to a printing part of a concealed information entering column 17 on a paper sheet 2 on a postalcard of a sheet 1 from an ultraviolet-radiating device 14 equipped with a high pressure mercury lamp 14a. Ink of the printing part is cured thereby to make the sheet for postalcard 10. When ultraviolet rays of a small generation amount of ozone are applied, the adhesive 15 is not deteriorated, and adhesive strength is not decreased.
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Inventors:
Tsutomu Sakai
Application Number:
JP30659991A
Publication Date:
July 23, 2001
Filing Date:
October 25, 1991
Export Citation:
Assignee:
Toppan Forms Co., Ltd.
International Classes:
B42D15/02; B42D15/04; (IPC1-7): B42D15/04; B42D15/02
Domestic Patent References:
| JP390394A | ||||
| JP1275192A | ||||
| JP5785869A | ||||
| JP1254993A | ||||
| JP4324485A |
Attorney, Agent or Firm:
Taichi Chiba
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