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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11679613 B1

PDFFull Text
Date of Patent:
Jun. 20, 2023

Filed:

Dec. 13, 2019

Thermally expandable sheet production method and shaped object production method

Applicant:

Casio Computer Co., Ltd., Tokyo, JP;

Inventor:

Yoshimune Motoyanagi, Hamura, JP;

Assignee:

CASIO COMPUTER CO., LTD., Tokyo, JP;

Attorney:

Scully, Scott, Murphy & Presser, P.C.

Primary Examiner:

Joseph S Del Sole

Assistant Examiner:

Lawrence D Hohenbrink, Jr

Int. Cl.
CPC ...
B41M 3/06 (2006.01); B29C 44/34 (2006.01); B32B 27/24 (2006.01); B41M 7/00 (2006.01); B41M 5/50 (2006.01); B29C 67/20 (2006.01); B29C 44/04 (2006.01); B29K 667/00 (2006.01); B29L 9/00 (2006.01); B29K 623/00 (2006.01); B29K 711/12 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B41M 3/06 (2013.01); B29C 44/3415 (2013.01); B29C 44/3484 (2013.01); B29C 67/20 (2013.01); B32B 27/24 (2013.01); B41M 5/502 (2013.01); B41M 5/506 (2013.01); B41M 5/508 (2013.01); B41M 7/0054 (2013.01); B29C 44/04 (2013.01); B29C 67/207 (2013.01); B29K 2105/0076 (2013.01); B29K 2623/12 (2013.01); B29K 2667/003 (2013.01); B29K 2667/006 (2013.01); B29K 2711/12 (2013.01); B29L 2009/00 (2013.01); B32B 2250/04 (2013.01); B32B 2305/54 (2013.01); B32B 2307/738 (2013.01); B41M 7/0081 (2013.01); B41M 2205/32 (2013.01); B41M 2205/38 (2013.01); Y10T 428/25 (2015.01); Y10T 428/254 (2015.01);
Abstract

A thermally expandable sheet includes: a first thermally expansive layer that is formed on one side of a base and contains a first thermally expandable material and a first binder, the first thermally expansive layer having a first ratio of the first thermally expandable material with respect to the first binder; and a second thermally expansive layer that is formed on the first thermally expansive layer and contains a second thermally expandable material and a second binder, the second thermally expansive layer having a second ratio of the second thermally expandable material with respect to the second binder, wherein the first ratio is lower than the second ratio.

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