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. 05, 1988
Filed:
Dec. 15, 1986
Applicant:
Inventors:
Assignee:
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
F26B / ; F26B / ;
U.S. Cl.
CPC ...
34 23 ; 34 41 ; 34 68 ; 34111 ; 34216 ;
Abstract
A method and apparatus for heating fibrous mineral insulation material comprises an oven divided into zones, a conveyor for carrying the insulation material through the oven, means for directing hot gases into contact with the insulation material in the first oven zone, first heating means for heating the hot gases, and second heating means, distinct from the first heating means and positioned upstream from the first oven zone for heating the conveyor.