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:
Oct. 04, 2022

Filed:

Feb. 10, 2020
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Russell J. Bergman, South Windsor, CT (US);

Carl Busta, Glastonbury, CT (US);

Lea Dynnette Castle, Vernon, CT (US);

Assignee:

RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 9/06 (2006.01); B22C 9/10 (2006.01); B22C 21/14 (2006.01);
U.S. Cl.
CPC ...
B22C 9/064 (2013.01); B22C 9/061 (2013.01); B22C 9/101 (2013.01); B22C 21/14 (2013.01);
Abstract

An investment casting process for manufacturing a cast component is provided. The investment casting process includes forming a core, casting the cast component about the core such that a core positioning feature provides a location of an anticipated pilot hole in the cast component, removing the core from the cast component once the casting is completed, locating, forming and sizing a pilot hole to form a resized pilot hole that can receive a sealing plug and installing the sealing plug into the resized pilot hole.


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