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:
Jun. 30, 1981
Filed:
Nov. 19, 1979
Applicant:
Inventor:
Harvey G Van Fossen, Mishawaka, IN (US);
Assignee:
Wheelabrator-Frye, Inc., Hampton, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24C / ; B24C / ;
U.S. Cl.
CPC ...
51425 ; 51436 ;
Abstract
Recovery and feed system for abrasive blast in surface treatment comprising treatment and return by air to separate spent abrasive particles from dust and dirt and collecting the separated abrasive particles in a chamber, automatically withdrawing fresh abrasive particles from a storage bin when the recycle falls below a predetermined level in the chamber.