Title:
三層フローボックス
Document Type and Number:
Japanese Patent JP4049846
Kind Code:
B2
Abstract:
A three layer headbox for producing a multilayer fiber web. The headbox has top and bottom walls inclined toward each other toward the outlet of the headbox. Top and a bottom separating blades in the headbox, the top blade defining a first chamber toward the top wall, the bottom blade being below defining a second chamber between the blades and also defining a third chamber between the bottom blade and the bottom wall. A respective pulp inlet to each of the three chambers. One of the top and bottom blades being hingedly supported at its upstream end to be adjustable in position for affecting the speed of pulp suspension in respective layers in the chambers affected by the orientation of the blade. The pulp suspension layers passing through a headbox are delivered to a paper machine forming section wire and the three streams from the headbox are combined directly before or upon impingement on the wire. Various velocities of the pulp suspension in each of the layers are obtainable and relatively adjustable with reference to each other.
Inventors:
Hans Dahl
Application Number:
JP16023997A
Publication Date:
February 20, 2008
Filing Date:
June 17, 1997
Export Citation:
Assignee:
Voith Sulzer Puppy Amassinen Gesellschaft Mitt Beschlenktel Haftung
International Classes:
D21F1/02; D21F1/06; D21F11/04
Domestic Patent References:
| JP57199892A | ||||
| JP58156095A | ||||
| JP54018906A |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Reinhard Einsel