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:
Jul. 07, 2020
Filed:
Apr. 27, 2017
Applicant:
Maxell, Ltd., Kyoto, JP;
Inventors:
Assignee:
MAXELL, LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 44/34 (2006.01); B29C 45/00 (2006.01); B29C 44/42 (2006.01); C08J 9/12 (2006.01); C08J 9/08 (2006.01); B29C 44/02 (2006.01); B29K 23/00 (2006.01); B29K 55/02 (2006.01); B29K 105/04 (2006.01);
U.S. Cl.
CPC ...
B29C 44/3446 (2013.01); B29C 44/02 (2013.01); B29C 44/42 (2013.01); B29C 45/00 (2013.01); B29C 45/0001 (2013.01); C08J 9/08 (2013.01); C08J 9/122 (2013.01); B29K 2023/12 (2013.01); B29K 2055/02 (2013.01); B29K 2105/04 (2013.01); C08J 2203/02 (2013.01); C08J 2203/06 (2013.01); C08J 2203/184 (2013.01); C08J 2323/12 (2013.01); C08J 2355/02 (2013.01);
Abstract
There is provided a method of producing a foamed molded product, including: plasticizing and melting a resin material containing a thermoplastic resin and a chemical foaming agent in a plasticizing cylinder in which a screw is provided, to provide a molten resin containing the chemical foaming agent; supplying a fluid with a fixed pressure into the plasticizing cylinder to pressurize the molten resin; and performing foam molding of the molten resin. The resin material contains 0.1 to 2% by weight of the chemical foaming agent.