Drying and gas or vapor contact with solids – Material treated by electromagnetic energy – Infrared energy
Reexamination Certificate
2011-04-19
2011-04-19
Gravini, Stephen M. (Department: 3743)
Drying and gas or vapor contact with solids
Material treated by electromagnetic energy
Infrared energy
C034S068000, C034S092000, C162S111000, C427S209000, C431S326000
Reexamination Certificate
active
07926200
ABSTRACT:
Infrared drier installation (1) for a passing web (2), which installation ( ) has gas-heated infrared radiant elements (5), arranged one next to the other so as to form a unit (4). Each unit comprises at least two adjacent rows (8) of gas-heated infrared radiant elements (5) stretching out in he transversal′(9) direction of the web (2) substantially over the entire with of the web (2). The infrared drier installation comprises means to recycle, at least partially, the said combustion gases. The drier installation as subject of the present invention is characterized in that the infrared drier comprises means (16) to avoid the suction of cold air between two adjacent rows of radiant elements (5).
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Bekaert Combustion Technology B.V.
Foley & Lardner LLP
Gravini Stephen M.
NV Bekaert SA
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