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. 13, 1993
Filed:
Jul. 10, 1991
Fuji Seiki Machine Works, Limited, Shizuoka, JP;
Abstract
A blasting apparatus for blasting a pressurized slurry against a workpiece, including an enclosed pressure vessel which is adapted to contain and hold a slurry of abrasive particles and liquid, a piping branch connected to the upper part of the pressure vessel for introducing compressed air in order to pressurize the interior of the vessel, a complementary air circuit which connect the upper part of the pressure vessel with the bottom of the vessel, the circuit having a pressure modulating device which sucks compressed air from the upper part of the vessel and delivers it to the bottom of the vessel, and a blasting gun connected for receiving pressurized slurry from the pressure vessel and discharging it against a workpiece.