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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.:

US 10022889 B1

PDFFull Text
Date of Patent:
Jul. 17, 2018

Filed:

Mar. 14, 2014

Ceramic support structure

Applicant:

Stratasys, Inc., Eden Prairie, MN (US);

Inventors:

Benjamin A. Demuth, River Falls, WI (US);

Adam R. Pawloski, Lake Elmo, MN (US);

Assignee:

Stratasys, Inc., Eden Prairie, MN (US);

Attorneys:

Peter J. Ims

Westerman, Champlin & Koehler, P.A.

Primary Examiner:

Nahida Sultana

Int. Cl.
CPC ...
B28B 1/00 (2006.01); C09D 123/08 (2006.01); B28B 11/24 (2006.01); C09D 5/00 (2006.01); C04B 35/524 (2006.01); C04B 35/626 (2006.01); B29C 64/106 (2017.01); C04B 35/622 (2006.01); C04B 35/634 (2006.01); D01F 1/02 (2006.01); C09D 7/61 (2018.01); B29K 309/02 (2006.01); B33Y 10/00 (2015.01); B33Y 70/00 (2015.01); C08K 3/26 (2006.01);
U.S. Cl.
CPC ...
B28B 1/001 (2013.01); B28B 11/243 (2013.01); B29C 64/106 (2017.08); C04B 35/524 (2013.01); C04B 35/62227 (2013.01); C04B 35/62695 (2013.01); C04B 35/634 (2013.01); C04B 35/63408 (2013.01); C09D 5/00 (2013.01); C09D 7/61 (2018.01); C09D 123/0815 (2013.01); D01F 1/02 (2013.01); B29K 2309/02 (2013.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); C04B 2235/3201 (2013.01); C04B 2235/3203 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3222 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/365 (2013.01); C04B 2235/442 (2013.01); C04B 2235/445 (2013.01); C04B 2235/449 (2013.01); C04B 2235/602 (2013.01); C04B 2235/604 (2013.01); C04B 2235/6021 (2013.01); C04B 2235/6026 (2013.01); C04B 2235/94 (2013.01); C08K 3/26 (2013.01); C08K 2003/265 (2013.01);
Abstract

A feedstock material for use as a support material in an additive manufacturing system includes a pre-ceramic material in powder form. The preceramic material comprises calcium carbonate, sodium carbonate, sodium aluminate or combinations thereof. The feedstock material includes a thermoplastic binder having the pre-ceramic material dispersed therein, wherein the pre-ceramic material and the thermoplastic binder are in a filament form. The filament is configured to be melted and extruded to form a support structure for a ceramifable article in a layer by layer manner, wherein the pre-ceramic material is at least about 50% of the feedstock material.

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