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.:
Date of Patent:
Apr. 09, 2024
Filed:
Nov. 23, 2021
Applicants:
Taichi Nemoto, Shizuoka, JP;
Shizuka Hashida, Kanagawa, JP;
Yoshimitsu Kumai, Kanagawa, JP;
Ryo Miyakoshi, Kanagawa, JP;
Tomoharu Miki, Kanagawa, JP;
Inventors:
Taichi Nemoto, Shizuoka, JP;
Shizuka Hashida, Kanagawa, JP;
Yoshimitsu Kumai, Kanagawa, JP;
Ryo Miyakoshi, Kanagawa, JP;
Tomoharu Miki, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B 7/90 (2006.01); B29C 44/02 (2006.01); B29C 44/34 (2006.01); B29K 67/00 (2006.01); B29K 105/16 (2006.01); B29L 7/00 (2006.01);
U.S. Cl.
CPC ...
B29C 44/3442 (2013.01); B29B 7/90 (2013.01); B29C 44/02 (2013.01); B29K 2067/046 (2013.01); B29K 2105/16 (2013.01); B29L 2007/002 (2013.01);
Abstract
A foamed sheet including: a polylactic acid; and a filler, wherein the foamed sheet has a compressive stress of 0.2 Mpa or less when the cushioning coefficient of the foamed sheet is 10 or less; and wherein the foamed sheet has a puncture strength of 2 N or more when the sheet thickness of the foamed sheet is 2 mm.