SHEET FOR PREPARING SEALED LETTER

• Main Authors: ONO HIROKI, KINOSHITA KAZUYUKI
• Format: Patent
• Language: English
• Published: 06.03.2008
• Subjects: BOOK COVERS; BOOKBINDING; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR; FILES; LOOSE LEAVES; MOVABLE-STRIP WRITING OR READING APPARATUS; PERFORMING OPERATIONS; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR; SPECIAL PRINTED MATTER; TRANSPORTING

PROBLEM TO BE SOLVED: To attain an opening in a paper piece that works for concealment when unsealing a sealed letter obtained from a sheet for preparing the sealed letter, to place positions of separation for attaining the opening only in the paper piece working for concealment, to make cutting ste...