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Title:
原料ウェブを乾燥するためのプラントに用いられるブローボックス
Document Type and Number:
Japanese Patent JP3732229
Kind Code:
B2
Abstract:
PCT No. PCT/SE96/01277 Sec. 371 Date Jun. 18, 1998 Sec. 102(e) Date Jun. 18, 1998 PCT Filed Oct. 9, 1996 PCT Pub. No. WO97/16594 PCT Pub. Date May 9, 1997A blowbox for use in a plant for drying a material web includes an essentially horizontal box wall having formed therein circular orifices and eyelid perforations each of which includes a slit extending in parallel with the center line of the upper box wall. A depression is formed m the upper box wall adjacent one side of the slit. The eyelid perforations are arranged in two rows and parallel with the center line and together they form a zigzag pattern about the center line that intersects the depressions of the eyelid perforations in both rows. The orifices are disposed in a first and second pair of rows with both rows in each pair positioned on either side of and spaced equally from the center line. The upper box wall has a shallow continuous arcuate shape across its entire width.

Inventors:
Ingemar, Carluson
Roger, Sigbant
Klaas, Jardin
Lars, Nilsson
Application Number:
JP51726097A
Publication Date:
January 05, 2006
Filing Date:
October 09, 1996
Export Citation:
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Assignee:
Andritz, Technology, And, Asset, Management, Gezel Shaft, Mitt, Beschlenktel, Haftung
International Classes:
B65H20/14; B65H23/022; F26B13/20; B65H23/24; D21F5/18
Domestic Patent References:
JP6248593A
Attorney, Agent or Firm:
Kenji Yoshitake
Hiroyuki Nagai
Junpei Okada
Hirohito Katsunuma
Katsuomi Isogai