Title:
PAPER SHEET FITTING METHOD AND PAPER MOLDED ARTICLE
Document Type and Number:
Japanese Patent JP2022076244
Kind Code:
A
Abstract:
To provide a paper sheet fitting method enabling paper sheets to be easily fitted to each other, and a paper molded article having a fitting part.SOLUTION: There is provided a paper sheet fitting method, which comprises: a water absorption step of causing at least a partial region of a paper sheet to absorb water; an arrangement step of arranging the water-absorbed region of the paper sheet to be positioned between a pair of first molding surfaces of a press mold; a molding step of closing the press mold and molding the water-absorbed region of the paper sheet into a three-dimensional shape with the pair of first molding surfaces; a stacking step of opening the press mold and stacking another, non-water-absorbed sheet on the molded paper sheet; a fitting step of closing the press mold and molding the stacked object into a three-dimensional shape with the pair of the first molding surfaces, to thereby fit the molded paper sheet to the other, non-water-absorbed paper sheet; and an extraction step of opening the press mold and extracting a molded article having a fitting part.SELECTED DRAWING: Figure 1
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Inventors:
ONISHI ATSUSHI
NISHIKAWA SATORU
MIYASHITA SHUHEI
NAKAGAWA HAJIME
NISHIKAWA SATORU
MIYASHITA SHUHEI
NAKAGAWA HAJIME
Application Number:
JP2020186568A
Publication Date:
May 19, 2022
Filing Date:
November 09, 2020
Export Citation:
Assignee:
NISSHA CO LTD
International Classes:
D21J3/00; B65D1/00; D21J5/00
Domestic Patent References:
| JPH0813400A | 1996-01-16 | |||
| JP2008137721A | 2008-06-19 |