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:
Oct. 04, 1994
Filed:
Jun. 14, 1993
Applicant:
Inventor:
Philip M Witkin, Greenville, SC (US);
Assignee:
Marshall and Williams Company, Providence, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34 79 ; 34 86 ;
Abstract
An oven for treating a moving web has, within each zone (A), an incinerator (C) with a long holding period for receiving combustion products directly from a burner (B) and mixing them with process exhaust air from nozzles applying heated air to the web, and passing the products of the incinerator to a heat exchanger (E) for heating air from the nozzles prior to return of the heated air thereto.