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Patent Searching and Data


Title:
HEAD BOX FOR PAPER MACHINE
Document Type and Number:
Japanese Patent JP2000064187
Kind Code:
A
Abstract:

To provide a paper machine capable of preventing a bad condition such as spotting, etc., caused by air entrainment of free jet even in a high-speed paper making.

The tip part of a vertical wall 22 constituting a current part of a head box 5 is notched the tip part is brought close to wires 9 and 10 so that the vertical wall at the latter half of the current part 25 of the head box 5 is constituted of the top wire 9 and the bottom wire 10. Sealing water supply mechanisms 32 for supplying sealing water to a gap between the tip part of the head box 5 and both the wires 9 and 10 are installed. Suction mechanisms 44 and jetting mechanisms 45 are arranged in the interiors of rolls 41 and 42 wound with the wires 9 and 11. A header part 28 and the current part of the head box 5 are divided and made to communicate with each other.


Inventors:
HASUIKE MAKIO
TAJIMA TOSHIMI
IWATA HIROSHI
IZAWA AKIMINE
Application Number:
JP23211198A
Publication Date:
February 29, 2000
Filing Date:
August 18, 1998
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
D21F1/02; D21F9/02; (IPC1-7): D21F1/02; D21F9/02
Attorney, Agent or Firm:
Nao Okuyama (2 outside)