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:
Sep. 19, 2023
Filed:
Feb. 18, 2020
Seiko Epson Corporation, Tokyo, JP;
Akihiko Tsunoya, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A three-dimensional shaped article production method is a three-dimensional shaped article production method for producing a three-dimensional shaped article by stacking layers and includes a first metal powder supply step of supplying a first metal powder having a first average particle diameter to a shaping table, a layer formation step of forming the layer by compressing the first metal powder supplied to the shaping table, a first liquid supply step of supplying a first liquid containing a binder and a second metal powder having a second average particle diameter that is an average particle diameter 1/10 or more and ½ or less the first average particle diameter to at least a portion of a constituent region of the three-dimensional shaped article, a second liquid supply step of supplying a second liquid that contains a binder, but does not contain a metal powder to at least a portion of a surface layer region in the constituent region, and a sintering step of sintering a metal in the constituent region by heating a stacked body.