Long shoeless nip press
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 14, 2002
Grant Date -
N/A
app pub date -
Feb 20, 2001
filing date -
May 21, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of sealing the pressure chamber of a shoeless press comprising a roll and a concave counterpart provided with a nip pressure chamber and with a press belt by proportioning the edge radius of the pressure chamber and the radius of the path of the belt to the pressures acting under the belt. A pressure is generated under the press belt, outside the press chamber, with the aid of oil or gas, and a suitable lubrication leak is allowed from the pressure chamber by adjusting the pressure in the right proportion to the chamber pressure. The invention also includes an apparatus for carrying out the method.
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