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:
Oct. 16, 2018
Filed:
Feb. 23, 2016
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Simon Lloyd Jones, Bristol, GB;
Mark John Simms, Bristol, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 9/10 (2006.01); B22C 21/14 (2006.01); B22C 9/24 (2006.01); B22C 7/02 (2006.01);
U.S. Cl.
CPC ...
B22C 9/24 (2013.01); B22C 7/02 (2013.01); B22C 9/10 (2013.01); B22C 21/14 (2013.01);
Abstract
There is described a core for an investment casting process, comprising: a core passage which extends between a first point and a second point along a tortuous path having length L, wherein the first point and second point are separated by a direct line of sight distance, S, wherein L is greater than S; and, a core bridge which extends between the first and second points away from the core passage.