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:
Jan. 10, 2017

Filed:

Jan. 07, 2013
Applicant:

Wisys Technology Foundation, Inc., Madison, WI (US);

Inventors:

Daniel Scott McGuire, Oregon, WI (US);

Eric Ernst Hellstrom, Tallahassee, FL (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 9/04 (2006.01); B22C 9/08 (2006.01);
U.S. Cl.
CPC ...
B22C 9/046 (2013.01); B22C 9/04 (2013.01); B22C 9/082 (2013.01);
Abstract

A prefabricated sprue assembly provides attachment to independently-produced investment casting molds to substantially reduce the need for pattern material. Installable connections between the prefabricated sprue assembly and the investment mold allow substantial reduction of scrap loss caused by errors in production of individual investment molds by culling defective molds before installation to the sprue assembly.


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