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.

Date of Patent:
Dec. 28, 1982

Filed:

Mar. 23, 1981
Applicant:
Inventor:

David R Lankard, Columbus, OH (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 95 ; 106 84 ; 106 85 ; 106104 ; 106109 ; 428703 ; 501124 ; 501125 ; 501127 ; 501128 ;
Abstract

A highly reinforced refractory is disclosed. In accordance with the invention higher reinforcement of refractory shapes such as plunging bells or injection lances is achieved by infiltrating a bed of metal fibers in a mold with an aqueous slurry of a refractory material containing a superplasticizer. Refractory Concrete comprises e.g. calcium aluminate cement, alumina aggregate of 35 mesh or less maximum particle size, sulfonated naphthalene formaldhyde as superplasticizer and greater than 4 volume % metal (steel) fibers.


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