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Patent Searching and Data


Title:
HYBRID FORMER OF PAPER MACHINE
Document Type and Number:
Japanese Patent JPH08302587
Kind Code:
A
Abstract:

PURPOSE: To obtain a hybrid former having a MB unit and also capable of stabilizing wire running at the inlet of a twin-wire zone.

CONSTITUTION: This former is a hybrid former of a paper machine having a lower wire loop 10 and a opening part 10a, the single wire part, is installed in the lower wire loop. At the opening part, a drainage device 12 is installed inside the lower wire loop and also a wire guide and drainage devices 13, 100, 15, 16, 17, 18 and 19 are installed following the device 12 in the wire loop. At a draining/forming unit 100, water is drawn off mainly through the upper wire assisted with negative pressures Pa, Pb, Pc and Pd in drain chambers 22A, 22B, 22C and 22D.


Inventors:
HEIKI IRUBESUPAA
YURUKI YAATSUKORA
ARI RINSURI
ERUTSUKI PARUTANEN
RAURI BERUKASARO
Application Number:
JP13568795A
Publication Date:
November 19, 1996
Filing Date:
May 10, 1995
Export Citation:
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Assignee:
VALMET PAPER MACHINERY INC
International Classes:
D21F9/02; D21F1/48; D21F9/00; (IPC1-7): D21F9/02
Attorney, Agent or Firm:
Takao Katori