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. 17, 1979
Filed:
Jun. 08, 1977
Applicant:
Inventor:
Maurice L Caudill, Peoria, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F27D / ;
U.S. Cl.
CPC ...
266281 ; 266275 ; 264 30 ;
Abstract
A foundry ladle including a ladle vessel having a cavity, a layer of crushable insulating material lining the cavity, the layer having perforations extending therethrough, and a layer of castable refractory material lining the insulating material, the refractory material extending through the perforations into load supporting contact with the vessel. Also disclosed is a method of forming a foundry ladle.