Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1989-04-10
1991-08-13
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 17, 34 60, 34 92, F26B 504
Patent
active
050384945
ABSTRACT:
This invention relates to an apparatus and method for drying and/or restoring books and other materials which have been wet, wherein the wet and/or distorted materials are placed in a vacuum chamber and subjected to vacuum while being gradually and uniformly heated through the use of heat conductive supports. A compressive force is applied to the materials while they are being heated to straighten and restore the distorted materials.
REFERENCES:
patent: 1726373 (1929-08-01), Voightlander
patent: 3199221 (1965-08-01), Mehrlich et al.
Lundquist Eric G.
Ritchie Robert S.
Bennet Henry A.
Document Reprocessors
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