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:
May. 09, 1989
Filed:
Dec. 30, 1987
Applicant:
Inventors:
Larry D Rushing, Stafford, TX (US);
Douglas W McFadden, Missouri, TX (US);
Assignee:
Tuboscope Inc., Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24C / ;
U.S. Cl.
CPC ...
51439 ; 51411 ; 51321 ; 2394193 ;
Abstract
An abrasive cleaning device that includes a nozzle assembly and method wherein a low pressure stream of abrasive particles and gas, and a high pressure stream of liquid are provided. These streams intersect an an angle sufficient to entrain the abrasive particles within the high pressure liquid stream. The abrasive particles are directed into contact with a surface to be abraded. The intersecting of the streams occurs outside the nozzle assembly.