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:
May. 16, 2023
Filed:
Jul. 30, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Seiichiro Yamashita, Azumino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/50 (2006.01); B29C 45/60 (2006.01); B29C 45/62 (2006.01); B29C 45/20 (2006.01); B29C 45/74 (2006.01); B29C 45/72 (2006.01); B29C 64/209 (2017.01);
U.S. Cl.
CPC ...
B29C 45/5008 (2013.01); B29C 45/20 (2013.01); B29C 45/60 (2013.01); B29C 45/62 (2013.01); B29C 45/74 (2013.01); B29C 2045/504 (2013.01); B29C 2045/7271 (2013.01);
Abstract
A plasticization device includes: a cylinder having a supply port through which a material is supplied; a spiral screw configured to rotate inside the cylinder; a nozzle configured to discharge the material plasticized inside the cylinder; a heating unit provided between the supply port in the cylinder and the nozzle; a screw drive unit including a motor configured to rotate the screw; and a case configured to accommodate at least a part of the screw drive unit and having a first refrigerant flow path.