Title:
MACHINE FOR PRODUCING FIBER WEB
Document Type and Number:
Japanese Patent JP3509898
Kind Code:
B2
Abstract:
PURPOSE: To provide a machine for producing a fiber web capable of increasing an operation efficiency while preventing the fear of split of paper web in a paper making machine.
CONSTITUTION: A paper making machine comprises a press P followed by an adjoining dry end having a plurality of dryer groups I to VI. Each dryer group comprises only one row of dryer cylinders 10 and one row of reversal suction rolls 11 or 12a and a respective endless support belts 1-7. The press and each of the dryer groups have a respective variable web speed drive 30 or 36. A speed control device 39 controls the drives such that a positive difference in speed is present between the first dryer group and the press and a negative difference in speed is present between the last two dryer groups V and VI.
Inventors:
Kotitschke, Gerhard
Kraft, Wilfried
Kraft, Wilfried
Application Number:
JP16425393A
Publication Date:
March 22, 2004
Filing Date:
June 07, 1993
Export Citation:
Assignee:
J M VOITH GMBH
International Classes:
D21F5/04; D21F7/02; (IPC1-7): D21F5/04; D21F7/02
Attorney, Agent or Firm:
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