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:
Nov. 16, 2021

Filed:

Aug. 26, 2019
Applicant:

Markforged, Inc., Watertown, MA (US);

Inventor:

Gregory Thomas Mark, Brookline, MA (US);

Assignee:

MARKFORGED, INC., Watertown, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 10/40 (2021.01); B29C 64/245 (2017.01); B33Y 10/00 (2015.01); B29C 64/40 (2017.01); B29C 64/165 (2017.01); B22F 10/10 (2021.01); B22F 10/43 (2021.01); B22F 10/64 (2021.01); B29C 64/141 (2017.01); B29K 25/00 (2006.01); B29C 70/16 (2006.01); B29C 64/118 (2017.01); B29C 64/209 (2017.01); B29K 79/00 (2006.01); B29C 64/295 (2017.01); B29C 31/04 (2006.01); B22F 3/11 (2006.01); B33Y 70/10 (2020.01);
U.S. Cl.
CPC ...
B22F 10/40 (2021.01); B22F 10/10 (2021.01); B22F 10/43 (2021.01); B22F 10/64 (2021.01); B29C 64/165 (2017.08); B29C 64/245 (2017.08); B29C 64/40 (2017.08); B33Y 10/00 (2014.12); B22F 3/1118 (2013.01); B29C 31/044 (2013.01); B29C 64/118 (2017.08); B29C 64/141 (2017.08); B29C 64/209 (2017.08); B29C 64/295 (2017.08); B29C 70/16 (2013.01); B29K 2025/08 (2013.01); B29K 2079/085 (2013.01); B33Y 70/10 (2020.01);
Abstract

According to one aspect, embodiments herein provide a method of reducing distortion in an additively manufactured part comprising forming a shrinking platform from a composite including metal particles embedded in a first matrix, forming shrinking supports from the composite, forming a part from the composite upon the shrinking platform and shrinking supports, forming an interior structure in at least one of the shrinking platform, the shrinking supports, and the part having a plurality of chambers with interconnections therebetween, forming from the shrinking platform, the sintering supports, and the part a portable assembly, and debinding the first matrix in the portable assembly to form a portable assembly in a brown state, wherein debinding the first matrix includes penetrating a fluid debinder into the interior structure of the at least one of the shrinking platform, the shrinking supports, and the part to debind the first matrix from within the interior structure.


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