Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1990-10-26
1992-10-20
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
34217, F26B 1900, F26B 1326, F26B 2506
Patent
active
051559269
ABSTRACT:
A board dryer comprises a double-sided conveyor for conveying flat boards through a dryer, the conveyor defining a flat board path and a conveyance direction in the path through the dryer. The dryer also comprises a pair of nozzle devices, which are elongate and arranged to extend laterally across the board path with respect to the conveyance direction, one above the board path and one below it, for directing respective laterally extensive air jets towards the board path from opposite sides thereof. The air jets have a backward component of direction with respect to a forward conveyance direction for facilitating board drying. The board dryer is especially useful for drying printed circuit boards.
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Bennet Henry A.
Kilner Christopher B.
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