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FI882259A - FLERETAGEINLOPSLAODA I PAPPERSMASKIN. - Google Patents

FLERETAGEINLOPSLAODA I PAPPERSMASKIN. Download PDF

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Publication number
FI882259A
FI882259A FI882259A FI882259A FI882259A FI 882259 A FI882259 A FI 882259A FI 882259 A FI882259 A FI 882259A FI 882259 A FI882259 A FI 882259A FI 882259 A FI882259 A FI 882259A
Authority
FI
Finland
Prior art keywords
flow channels
headbox
pulp suspension
paper
cardboard
Prior art date
Application number
FI882259A
Other languages
Finnish (fi)
Other versions
FI84192C (en
FI882259A0 (en
FI84192B (en
Inventor
Kari Pitkaejaervi
Original Assignee
Valmet Paper Machinery Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valmet Paper Machinery Inc filed Critical Valmet Paper Machinery Inc
Priority to FI882259A priority Critical patent/FI84192C/en
Publication of FI882259A0 publication Critical patent/FI882259A0/en
Publication of FI882259A publication Critical patent/FI882259A/en
Application granted granted Critical
Publication of FI84192B publication Critical patent/FI84192B/en
Publication of FI84192C publication Critical patent/FI84192C/en

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Abstract

Multilayer headbox in a paper machine or cardboard machine, which has two or more flow channels for pulp suspension on each, via which the pulp suspension is fed onto the wire, above which the paper or cardboard web is formed. The flow channels include a distribution bar 10, a distribution pipe system 11 or the like, a turbulence part and a lift part. In conjunction with the flow channels, lying on each other, of the multilayer headbox, an intermediate part is installed with channel divisions, in whose intermediate walls 15D, 15E; 15'D, 15'E, which separate the flow channels from each other, there are openings along a part or the entire length of the intermediate part in which opening a moving disk-like wall parts 40 are arranged, which function as pressure equalizers between the different flow channels of the headbox. <IMAGE>
FI882259A 1988-05-13 1988-05-13 Multilayer inbox in paper machine FI84192C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI882259A FI84192C (en) 1988-05-13 1988-05-13 Multilayer inbox in paper machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI882259A FI84192C (en) 1988-05-13 1988-05-13 Multilayer inbox in paper machine
FI882259 1988-05-13

Publications (4)

Publication Number Publication Date
FI882259A0 FI882259A0 (en) 1988-05-13
FI882259A true FI882259A (en) 1989-11-14
FI84192B FI84192B (en) 1991-07-15
FI84192C FI84192C (en) 1991-10-25

Family

ID=8526449

Family Applications (1)

Application Number Title Priority Date Filing Date
FI882259A FI84192C (en) 1988-05-13 1988-05-13 Multilayer inbox in paper machine

Country Status (1)

Country Link
FI (1) FI84192C (en)

Also Published As

Publication number Publication date
FI84192C (en) 1991-10-25
FI882259A0 (en) 1988-05-13
FI84192B (en) 1991-07-15

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: VALMET PAPER MACHINERY INC