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:
Jun. 23, 2026
Filed:
Oct. 29, 2024
Seiko Epson Corporation, Tokyo, JP;
Tatsuya Teramoto, Shiojiri, JP;
Taki Hashimoto, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Provided is a maintenance method for a discharge unit which has a nozzle hole and plasticizes a material containing a thermoplastic resin to generate a plasticized material. This maintenance method includes a heating step of heating a material or a plasticized material present in a flow path which communicates with a nozzle hole and through which the material or the plasticized material passes at a temperature equal to or higher than the thermal decomposition temperature of the material or the plasticized material, and a releasing step of releasing the material or the plasticized material thermally decomposed in the heating step from the flow path.