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:
Mar. 07, 1989
Filed:
Nov. 09, 1977
Applicant:
Inventors:
Allen R Davis, Mexico, MO (US);
Elbert A Willis, Mexico, MO (US);
Assignee:
A. P. Green Industries, Inc., Mexico, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427422 ; 427423 ; 427427 ;
Abstract
A gunnable plastic refractory is made by adding a polysaccharide ether such as methylcellulose to the refractory composition and adjusting the moisture content to be from about 4% to about 10%. The workability index of the refractory mix is from about 8% to about 30%. The refractory is gunned without stoppages caused by clogging of hoses and the rebound rate is low.
Davis, Allen. (1989). Sprayable plastic refractory (U.S. Patent No. 4810537). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4810537
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