Title:
ALTERATION PREVENTION BOOKLET AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2015136880
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a booklet which makes replacement of a sheet due to cutting of a binding thread difficult by setting both of two middle binding threads as exposed seams and can apply forgery prevention technique confirmable with transmission light onto the sheet.SOLUTION: An alteration prevention booklet is a thread-bound booklet formed such that a plurality of sheets are stacked, the plurality of stacked sheets are folded in two at a center part of the sheets as the center, folds of the plurality of sheets folded in two are bound with threads from top layers to bottom layers to form content pages, and an exterior sheet is stuck to surfaces of outside of the content pages folded in two. When the thread-bound booklet is opened and the pages are turned, both thread-bound seams of top layers and bottom layers of the stacked sheets, applied on the folds of the content pages folded in two can be visually observed and spread pages on which thread-bound seams can be visually observed are made of the same sheet. An manufacturing method of the alteration prevention booklet is also provided.
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Inventors:
NISHIO FUTOSHI
ONO JUN
ONO JUN
Application Number:
JP2014010184A
Publication Date:
July 30, 2015
Filing Date:
January 23, 2014
Export Citation:
Assignee:
NAT PRINTING BUREAU
International Classes:
B42D1/00; B42B2/00; B42C11/00; B42D1/06; B42D11/00; B42D25/24