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. 25, 2016
Filed:
Oct. 23, 2009
Thomas Francis Hursen, Allison Park, PA (US);
Thomas Francis Hursen, Allison Park, PA (US);
Other;
Abstract
A tool suitable for soil excavation that can be used in a number of distinct applications is disclosed, wherein the tool includes a sonic or supersonic pneumatic nozzle assembly comprising a converging-diverging cylindrical nozzle body having an internal through passage with inlet on the converging side and an outlet on the diverging side of the nozzle body; and a replaceable cylindrical wear tip removably coupled to the nozzle body and with an internal through passage aligning with the outlet of the nozzle body, and wherein an outside form of the wear tip is configured to direct reverse sand blasting particles away from the external surfaces of the nozzle body.