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. 01, 2019
Filed:
Jul. 12, 2016
Sodick Co., Ltd., Kanagawa, JP;
Shuichi Kawada, Kanagawa, JP;
Shuji Okazaki, Kanagawa, JP;
Sodick Co., Ltd., Kanagawa, JP;
Abstract
A metal 3D printer includes: a housing () forming a molding chamber (B); a recoater head () reciprocating in the direction of a horizontal U axis in the molding chamber to form a powder layer of a metal; a laser irradiation device () irradiating an irradiation region in the powder layer with a laser beam to form a sintered layer; and an inert gas supply device (). The inert gas supply device includes: a first suction port (V) disposed on one () of the side walls facing each other in the direction of the U axis, which is far away from the irradiation region; a first blowout port (F) disposed on a side of the recoater head to face the first suction port; and a second blowout port (F) disposed to face the first suction port across the irradiation region.