US2004079812A1PendingUtilityA1

Movable heating systems

10
Priority: Jan 22, 2002Filed: Jan 21, 2003Published: Apr 29, 2004
Est. expiryJan 22, 2022(expired)· nominal 20-yr term from priority
Inventors:Danny Gagnon
F24D 5/10
10
PatentIndex Score
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References
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Claims

Abstract

The movable heating systems used to preheat large refractory surfaces in order to stack different layers of material normally used are either electrical heating plates or gas burners. In the present invention, the heating system is made of one or many mattresses laid on the surface to be heated (the number of mattresses depends on the size of the area to be heated). The mattress(es) is connected to one or many portable heating units equipped with a fan and a heat exchanger that inflate the mattress and create an air film between the mattress and the surface to be heated. The advantage of that system is the lightness, the precision and the homogeneity of the temperature obtained at the specific surface.

Claims

exact text as granted — not AI-modified
what I claim as my invention is:  
     
         1 - The extent of this invention consists of the process: of heating, about the use in the domain of refractory product.

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