Title:
BOOKMARK
Document Type and Number:
Japanese Patent JP2012240364
Kind Code:
A
Abstract:
To provide a bookmark which is used by holding between a book and fixes many pages or from a cover to a predetermined page, and does not drop even when the book is opened by fixing the many pages or from the cover to the predetermined page in using the bookmark by holding between the book.
The bookmark includes a stretched polyolefin resin sheet having a shape retention property wherein the sheet is bent at 180° or 90°, is maintained for one minute, and then is released, and bend return angles θ after 5 minutes passes from the release are both 20° or less.
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Inventors:
YANO HIDENOBU
TADOKORO ATSUTO
TOKUTOME SHINICHI
HISHIDA TOMOYUKI
TADOKORO ATSUTO
TOKUTOME SHINICHI
HISHIDA TOMOYUKI
Application Number:
JP2011114677A
Publication Date:
December 10, 2012
Filing Date:
May 23, 2011
Export Citation:
Assignee:
SEKISUI SEIKEI LTD
International Classes:
B42D9/00
Domestic Patent References:
| JPS63161867U | 1988-10-21 | |||
| JP2005067027A | 2005-03-17 | |||
| JPS62182770U | 1987-11-19 | |||
| JP2011025454A | 2011-02-10 | |||
| JPH07238417A | 1995-09-12 | |||
| JPS5757097B2 | 1982-12-02 |
Attorney, Agent or Firm:
Ryu Iwatani