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. 23, 1988
Filed:
Oct. 02, 1986
Applicant:
Inventors:
Gary N Hughes, Ross Township, PA (US);
Donald P Michelotti, Hampton Township, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65 27 ; 65134 ; 65335 ; 65347 ;
Abstract
In an arrangement for preheating and liquefying glass batch materials or the like, the material is transferred from the preheater to the liquefying vessel by conveyor means that isolates batch material from exhaust gas and permits feeding of the batch material to selected regions of the liquefying vessel.