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:
Dec. 30, 1986
Filed:
Oct. 01, 1984
Applicant:
Inventor:
Ronald L Schwenninger, Ridgeley, WV (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ;
U.S. Cl.
CPC ...
373152 ; 373 27 ;
Abstract
A vessel for inductively heating molten material such as glass is provided with a ceramic refractory lining bound by the electrical coil. The coil may comprise a single turn sheath. In preferred embodiments the lining comprises an inner layer of melt-compatible refractory and an outer layer of thermal insulation.