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:
Feb. 07, 1978
Filed:
Jan. 26, 1976
Applicant:
Inventor:
Thomas Walters, Jr, Primos, PA (US);
Assignee:
Ecolaire Incorporated, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
222368 ; 214 / ;
Abstract
A rotary feeder is disclosed for feeding abrasive materials at high temperatures up to about 2300.degree. F. Each of the rotor and stator have preformed refractory inserts removably retained in position without separate fasteners being used. The inserts are preferably preformed with a camber to facilitate spring-like retention thereof.