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:
Feb. 11, 2014
Filed:
Sep. 22, 2010
William J. Swanson, St. Paul, MN (US);
Kevin C. Johnson, Minneapolis, MN (US);
Timothy A. Hjelsand, Waconia, MN (US);
J. Samuel Batchelder, Somers, NY (US);
William J. Swanson, St. Paul, MN (US);
Kevin C. Johnson, Minneapolis, MN (US);
Timothy A. Hjelsand, Waconia, MN (US);
J. Samuel Batchelder, Somers, NY (US);
Stratasys, Inc., Eden Prairie, MN (US);
Abstract
A liquefier assembly for use in an extrusion-based additive manufacturing system, the liquefier assembly comprising a downstream portion having a first average inner cross-sectional area, and an upstream having a second average inner cross-sectional area that is less than the first inner cross-sectional area, the upstream portion defining a shoulder configured to restrict movement of a melt meniscus of a consumable material.