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. 18, 2023
Filed:
Sep. 30, 2019
Applicant:
Yamauchi Corp., Hirakata, JP;
Inventors:
Akira Yoshida, Tochigi, JP;
Shuhei Kouno, Tochigi, JP;
Assignee:
YAMAUCHI CORP., Hirakata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/50 (2006.01); B29C 43/36 (2006.01); B30B 15/06 (2006.01); B32B 25/08 (2006.01); B32B 25/10 (2006.01); B29C 70/30 (2006.01);
U.S. Cl.
CPC ...
B29C 70/504 (2013.01); B29C 43/3642 (2013.01); B29C 70/30 (2013.01); B30B 15/061 (2013.01); B32B 25/08 (2013.01); B32B 25/10 (2013.01); B29C 2043/3655 (2013.01); B29K 2995/0016 (2013.01); B32B 2307/306 (2013.01);
Abstract
A hot press cushioning material includes a cushioning material body in the form of a plate; and surface materials provided on the front and back sides of the cushioning material body. The surface material includes a core layer composed of a heat resistant fiber material for a nonwoven structure, and a front-side resin layer covering the entire front side of the core layer. The core layer has an air permeability of 5 cm·cm·sor less and a bulk density of 0.8 g/cmor more.