FI911771A - Headbox - Google Patents

Headbox Download PDF

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Publication number
FI911771A
FI911771A FI911771A FI911771A FI911771A FI 911771 A FI911771 A FI 911771A FI 911771 A FI911771 A FI 911771A FI 911771 A FI911771 A FI 911771A FI 911771 A FI911771 A FI 911771A
Authority
FI
Finland
Prior art keywords
headbox
design
beneath
paper
supports
Prior art date
Application number
FI911771A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI911771A0 (en
FI90674C (en
FI90674B (en
Inventor
Matti Seviae
Harri Kronholm
Original Assignee
Tampella Papertech Oy
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 Tampella Papertech Oy filed Critical Tampella Papertech Oy
Priority to FI911771A priority Critical patent/FI90674C/en
Publication of FI911771A0 publication Critical patent/FI911771A0/en
Publication of FI911771A publication Critical patent/FI911771A/en
Application granted granted Critical
Publication of FI90674B publication Critical patent/FI90674B/en
Publication of FI90674C publication Critical patent/FI90674C/en

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Abstract

The invention concerns a design of a headbox intended for use in a paper or cardboard machine. In the headbox according to this invention the design is made easier by making a pressurized bottom chamber 5 beneath the bottom plate 4 of the headbox, which supports it and whose cavity 2 consists essentially of parts with a cylindrical or spherical surface. <IMAGE>
FI911771A 1991-04-12 1991-04-12 Headbox FI90674C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI911771A FI90674C (en) 1991-04-12 1991-04-12 Headbox

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI911771 1991-04-12
FI911771A FI90674C (en) 1991-04-12 1991-04-12 Headbox

Publications (4)

Publication Number Publication Date
FI911771A0 FI911771A0 (en) 1991-04-12
FI911771A true FI911771A (en) 1992-10-13
FI90674B FI90674B (en) 1993-11-30
FI90674C FI90674C (en) 1994-03-10

Family

ID=8532305

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911771A FI90674C (en) 1991-04-12 1991-04-12 Headbox

Country Status (1)

Country Link
FI (1) FI90674C (en)

Also Published As

Publication number Publication date
FI911771A0 (en) 1991-04-12
FI90674C (en) 1994-03-10
FI90674B (en) 1993-11-30

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Legal Events

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MM Patent lapsed