FI871167A - POROEST SAECKPAPPER OCH FOERFARANDE FOER TILLVERKNING AV DETSAMMA. - Google Patents

POROEST SAECKPAPPER OCH FOERFARANDE FOER TILLVERKNING AV DETSAMMA. Download PDF

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Publication number
FI871167A
FI871167A FI871167A FI871167A FI871167A FI 871167 A FI871167 A FI 871167A FI 871167 A FI871167 A FI 871167A FI 871167 A FI871167 A FI 871167A FI 871167 A FI871167 A FI 871167A
Authority
FI
Finland
Prior art keywords
pulp
saeckpapper
poroest
detsamma
foerfarande foer
Prior art date
Application number
FI871167A
Other languages
Finnish (fi)
Other versions
FI81643C (en
FI81643B (en
FI871167A0 (en
Inventor
Kaj Koskinen
Mauri Arola
Matti Mattila
Original Assignee
Yhtyneet Paperitehtaat 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 Yhtyneet Paperitehtaat Oy filed Critical Yhtyneet Paperitehtaat Oy
Priority to FI871167A priority Critical patent/FI81643C/en
Publication of FI871167A0 publication Critical patent/FI871167A0/en
Publication of FI871167A publication Critical patent/FI871167A/en
Application granted granted Critical
Publication of FI81643B publication Critical patent/FI81643B/en
Publication of FI81643C publication Critical patent/FI81643C/en

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Abstract

Porous sack paper is produced from HC-beaten pulp. The porosity of the paper is at most 8 s expressed as Gurley number. Its rupture modulus in the machine direction is at least 1.8 kJ/kg and in the cross direction at least 1.8 kJ/kg. In the method the fines are separated from the chips used to produce the pulp, the pulp is HC-beaten and the pulp and chemicals that increase porosity are optionally added to the pulp.
FI871167A 1987-03-18 1987-03-18 POROEST SAECKPAPPER OCH FOERFARANDE FOER TILLVERKNING AV DETSAMMA. FI81643C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI871167A FI81643C (en) 1987-03-18 1987-03-18 POROEST SAECKPAPPER OCH FOERFARANDE FOER TILLVERKNING AV DETSAMMA.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI871167 1987-03-18
FI871167A FI81643C (en) 1987-03-18 1987-03-18 POROEST SAECKPAPPER OCH FOERFARANDE FOER TILLVERKNING AV DETSAMMA.

Publications (4)

Publication Number Publication Date
FI871167A0 FI871167A0 (en) 1987-03-18
FI871167A true FI871167A (en) 1988-09-19
FI81643B FI81643B (en) 1990-07-31
FI81643C FI81643C (en) 1990-11-12

Family

ID=8524146

Family Applications (1)

Application Number Title Priority Date Filing Date
FI871167A FI81643C (en) 1987-03-18 1987-03-18 POROEST SAECKPAPPER OCH FOERFARANDE FOER TILLVERKNING AV DETSAMMA.

Country Status (1)

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FI (1) FI81643C (en)

Also Published As

Publication number Publication date
FI81643C (en) 1990-11-12
FI81643B (en) 1990-07-31
FI871167A0 (en) 1987-03-18

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