High velocity, even flow flame treatment of webs

Details High velocity, even flow flame treatment of webs High velocity, even flow flame treatment of webs

1984-12-04

1986-09-09

Camby, John J.

Heating

Processes of heating or heater operation

Continous strip, strand or web passed longitudinally through...

266103, 431354, 432 59, F27B 928, C21D 954, F23D 1462

Patent

active

046106278

ABSTRACT:
An apparatus and method for flame treating a material web. A burner comprising a tube within a tube construction with the tubes spaced apart to form a heat sink chamber. The burner produces a continuous lean flame of relatively high velocity and is designed to minimize thermal bow along the length of the burner. The burner is mounted to a frame and is positioned to have a continuous flame extending therefrom toward the material web. The burner treats all the facing web surface while minimizing the uneven treatment of the web.

REFERENCES:
patent: 3334820 (1967-08-01), Flynn
patent: 3390465 (1968-07-01), Wise
patent: 3501098 (1970-03-01), Evans
patent: 3640788 (1972-02-01), Flynn
patent: 3870461 (1975-03-01), Wise

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