Drying and gas or vapor contact with solids – Apparatus – For diverse operations on treated material
Patent
1989-04-06
1990-08-14
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
For diverse operations on treated material
34145, 34242, 34116, F26B 1900
Patent
active
049475592
ABSTRACT:
An air press for use in drying web material, such as corrugated board, characterized by a plurality of individual plenums pressing a double-backer belt against the web material as it is being transported over a plurality of steam chests for drying. Each of the plenums is provided with brushes for sealing the periphery of the plenum relative to the belt and has an individual blower and an individual venting door so that both the humidity of the air in the plenum, as well as the pressure, can be individually controlled.
REFERENCES:
patent: 4192516 (1980-03-01), McCort
Basler Peter
Lancaster Robert
Weiskopf Gunther
Bennet Henry A.
Bobst SA
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