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:
Jan. 09, 2024
Filed:
Jul. 21, 2021
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Hidenobu Maruyama, Azumino, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/18 (2006.01); B29C 45/76 (2006.01); B29C 64/393 (2017.01); B29C 64/329 (2017.01); B33Y 30/00 (2015.01); B29C 64/118 (2017.01);
U.S. Cl.
CPC ...
B29C 45/1808 (2013.01); B29C 45/76 (2013.01); B29C 64/329 (2017.08); B29C 64/393 (2017.08); B33Y 30/00 (2014.12); B29C 64/118 (2017.08); B29C 2045/1875 (2013.01); B29C 2045/1891 (2013.01); B29C 2945/76167 (2013.01); B29C 2945/76183 (2013.01); B29C 2945/76354 (2013.01); B29C 2945/76665 (2013.01);
Abstract
A plasticizing device includes a passage defining section that is coupled to a hopper which stores a material and that defines a supply passage to which the material is supplied from the hopper, a plasticizing section that includes an introduction portion which communicates with the supply passage, and a screw, and that plasticizes the material supplied from the introduction portion by rotation of the screw to form a molten material, and a material detection section that detects the presence or absence of the material in the supply passage.