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:
Mar. 28, 1978
Filed:
Jan. 10, 1977
Applicant:
Inventor:
Albert L Burns, Houston, TX (US);
Assignee:
Bowen Tools, Inc., , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24C / ;
U.S. Cl.
CPC ...
51438 ; 239570 ;
Abstract
A control valve assembly for regulating the mixing of abrasive from a pressurized tank with high pressure fluid during abrasive blasting operations having a tubular abrasive flow pipe and an abrasive control nozzle within a control valve housing, with provisions for moving the abrasive control nozzle and the tubular abrasive flow pipe relative to each other to and from an abrasive fluid mixing position from and to a sealed, closed position, respectively.