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:
Apr. 16, 2019
Filed:
Dec. 19, 2016
Applicant:
Shawcor Ltd., Toronto, CA;
Inventors:
Brian Baker, Calgary, CA;
Randy Danderfer, Toronto, CA;
Assignee:
Shawcor Ltd., Toronto, CA;
Primary Examiner:
Int. Cl.
CPC ...
B24C 3/16 (2006.01); B24C 3/32 (2006.01); B24C 1/08 (2006.01); B24C 5/06 (2006.01);
U.S. Cl.
CPC ...
B24C 3/325 (2013.01); B24C 1/08 (2013.01); B24C 3/16 (2013.01); B24C 5/066 (2013.01);
Abstract
This disclosure provides a new internal weld blasting system for blasting the internal surfaces of pipes, and the method of use thereof. The system comprises a control cage having two relatively narrow openings. An impeller forces abrasives onto a blast wheel, which in turn sprays the abrasives onto the internal surfaces of the pipes.