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:
Feb. 01, 2022
Filed:
Nov. 06, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kei Yokota, Matsumoto, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 64/314 (2017.01); B29C 64/209 (2017.01); B29C 64/241 (2017.01); B29C 64/255 (2017.01); B29C 64/245 (2017.01); B33Y 40/00 (2020.01); B33Y 30/00 (2015.01);
U.S. Cl.
CPC ...
B29C 64/314 (2017.08); B29C 64/209 (2017.08); B29C 64/241 (2017.08); B29C 64/245 (2017.08); B29C 64/255 (2017.08); B33Y 30/00 (2014.12); B33Y 40/00 (2014.12);
Abstract
A plasticizing device that plasticizes a material to produce a molten material includes a driving motor, a screw that has a grooved surface on which a groove is formed and rotates by the driving motor; and a barrel having a facing surface that faces the grooved surface and has a communication hole formed in the center and a heater, wherein the screw has a cooling medium flow path provided inside the screw, an inlet portion that communicates with the cooling medium flow path and introduces a cooling medium from the outside of the screw, and an outlet portion that communicates with the cooling medium flow path and discharges the cooling medium to the outside of the screw.