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.

Date of Patent:
Jun. 13, 2017

Filed:

Mar. 31, 2014
Applicant:

Arcam Ab, Moelndal, SE;

Inventors:

Ulric Ljungblad, Moelndal, SE;

Lars Loewgren, Haellingsjoe, SE;

Anders Snis, Uddelvalla, SE;

Mattias Fager, Goeteborg, SE;

Assignee:

Arcam AB, Moelndal, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 3/105 (2006.01); B29C 67/00 (2017.01); B23K 15/00 (2006.01); B22F 3/12 (2006.01);
U.S. Cl.
CPC ...
B22F 3/1055 (2013.01); B22F 3/12 (2013.01); B23K 15/00 (2013.01); B29C 67/0077 (2013.01); B22F 2003/1056 (2013.01); Y02P 10/295 (2015.11);
Abstract

An apparatus for forming at least one three-dimensional article by fusing parts of a powder bed layer-wise. The apparatus comprising a powder distributor and an energy beam for fusing the powder layer. Said powder distributor comprises a first part being an elongated rod provided movable at a predetermined distance above the powder bed and with its central axis in parallel with a top surface of said work table and second part being a metal foil having at least a first and a second opposite edge portions. Said metal foil is provided between said elongated rod and said work table, said first and second opposite edge portions are attached to said elongated rod so that a distance between said first and second edge portions is smaller than the distance between said first and second edge portions of said metal foil when said metal foil is in a flat position.


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