EE04531B1 - Method of making waste paper - Google Patents

Method of making waste paper

Info

Publication number
EE04531B1
EE04531B1 EEP200000009A EEP200000009A EE04531B1 EE 04531 B1 EE04531 B1 EE 04531B1 EE P200000009 A EEP200000009 A EE P200000009A EE P200000009 A EEP200000009 A EE P200000009A EE 04531 B1 EE04531 B1 EE 04531B1
Authority
EE
Estonia
Prior art keywords
kraft paper
beating
refining
paper
waste paper
Prior art date
Application number
EEP200000009A
Other languages
Estonian (et)
Inventor
Nilsson Bj�rn
H�kansson Stefan
Ryden Ing-Marie
Original Assignee
Assidom�n AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20407702&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EE04531(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Assidom�n AB filed Critical Assidom�n AB
Publication of EE200000009A publication Critical patent/EE200000009A/en
Publication of EE04531B1 publication Critical patent/EE04531B1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/006—Making patterned paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/02—Patterned paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)

Abstract

A method for making kraft paper, wherein a sulphate pulp is subjected to HC refining only or to HC refining in combination with LC beating, the LC beating, if applicable, being carried out at a relatively low energy supply, and wherein a strengthening agent, especially a charged polymer, is subsequently added to the stock, preferably at two separate points in the process, in a total amount of at least 8 kg per tonne of paper. Kraft paper with a tensile energy absorption index of 2.5-3.5 J/g at a porosity (Gurley) of less than 10 seconds. A valve sack made of one or more layers of said kraft paper.
EEP200000009A 1997-07-09 1998-07-07 Method of making waste paper EE04531B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9702656A SE510506C2 (en) 1997-07-09 1997-07-09 Kraft paper and process for making this and valve bag
PCT/SE1998/001340 WO1999002772A1 (en) 1997-07-09 1998-07-07 Kraft paper and method for making the same

Publications (2)

Publication Number Publication Date
EE200000009A EE200000009A (en) 2000-08-15
EE04531B1 true EE04531B1 (en) 2005-08-15

Family

ID=20407702

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP200000009A EE04531B1 (en) 1997-07-09 1998-07-07 Method of making waste paper

Country Status (17)

Country Link
EP (1) EP1012377B1 (en)
AT (1) ATE219536T1 (en)
AU (1) AU8365898A (en)
BG (1) BG63849B1 (en)
BR (1) BR9810569B1 (en)
CA (1) CA2295075A1 (en)
CZ (1) CZ297129B6 (en)
DE (2) DE69806168T2 (en)
EE (1) EE04531B1 (en)
ES (1) ES2147169T3 (en)
HU (1) HU222668B1 (en)
PL (1) PL187952B1 (en)
PT (1) PT1012377E (en)
RU (1) RU2208079C2 (en)
SE (1) SE510506C2 (en)
WO (1) WO1999002772A1 (en)
ZA (1) ZA986082B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE515722C2 (en) * 2000-01-10 2001-10-01 Valmet Karlstad Ab Heat treatment of ground, chemically prepared pulp suspension
EP1889972A1 (en) * 2006-06-26 2008-02-20 Biltube India Limited Core board
RU2345188C1 (en) * 2007-09-06 2009-01-27 ООО "Оптимальные Химические Технологии+консалтинг" Bag paper and method for making bag paper
PT2808440T (en) 2009-03-30 2019-09-30 Omya Int Ag Process for the production of nano-fibrillar cellulose suspensions
PT2805986T (en) 2009-03-30 2017-12-19 Fiberlean Tech Ltd Process for the production of nano-fibrillar cellulose gels
PL2386683T3 (en) 2010-04-27 2014-08-29 Omya Int Ag Process for the production of gel-based composite materials
EP2386682B1 (en) 2010-04-27 2014-03-19 Omya International AG Process for the manufacture of structured materials using nano-fibrillar cellulose gels
EP2388203A1 (en) * 2010-05-19 2011-11-23 Franco Benedetti Paper sack comprising a combination of sack kraft paper and recycled containerboard paper
JP6198376B2 (en) * 2012-09-12 2017-09-20 日本製紙株式会社 Kraft paper
CN103321084B (en) * 2013-06-21 2016-06-22 杭州特种纸业有限公司 Water suction kraft paper and processing technology thereof
HK1218146A1 (en) 2013-07-18 2017-02-03 日本制纸株式会社 Clupak paper
HUE030487T2 (en) * 2014-07-04 2017-05-29 Billerudkorsnaes Ab Coated sack paper
PL2963178T3 (en) * 2014-07-04 2016-12-30 Production of sack paper
EP3009371B1 (en) 2014-10-15 2016-10-05 BillerudKorsnäs AB Sack with discontinuous longitudinal seam
CN107073865B (en) * 2014-11-28 2020-10-20 福伊特专利有限公司 Method and apparatus for manufacturing wrapping paper
SE539344E (en) 2015-03-02 2020-02-11 Billerudkorsnaes Ab Pulp mixture for production of a paper product with high strength in z-direction
EP3088606A1 (en) * 2015-04-29 2016-11-02 BillerudKorsnäs AB Disintegratable brown sack paper
PL3362508T3 (en) 2015-10-14 2019-10-31 Fiberlean Tech Ltd 3d-formable sheet material
ES2666830T3 (en) 2015-11-10 2018-05-08 Billerudkorsnäs Ab Paper for a vertical wrapping machine
EP3184694A1 (en) 2015-12-21 2017-06-28 BillerudKorsnäs AB Rainproof paper sack
EP3184296B1 (en) 2015-12-21 2017-11-08 BillerudKorsnäs AB Rain resistant paper sack
EP3202979B1 (en) * 2016-02-04 2018-08-22 BillerudKorsnäs AB Liquid packaging paper
EP3211135B1 (en) 2016-02-29 2018-08-29 BillerudKorsnäs AB High-stretch sackpaper
PL3385444T3 (en) * 2017-04-06 2020-01-31 Billerudkorsnäs Ab Production of paper that is highly stretchable in the cross direction
PL3385445T3 (en) * 2017-04-06 2019-12-31 Billerudkorsnäs Ab Production of highly stretchable paper having satisfactory surface properties
ES2921887T3 (en) * 2019-08-27 2022-09-01 Billerudkorsnaes Ab a paper bag
CN112431060B (en) * 2020-11-13 2022-10-21 福建省青山纸业股份有限公司 Production method of environment-friendly craft paper
AT526106B1 (en) * 2022-05-03 2024-02-15 Mondi Ag Kraft paper

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE308243B (en) * 1966-04-04 1969-02-03 Korsnaes Marma Ab
SE320573B (en) * 1968-08-21 1970-02-09 Korsnaes Marma Ab
US3791917A (en) * 1973-03-07 1974-02-12 Bird Machine Co Process for producing kraft paper laminate of top stock and base stock layers
AT354244B (en) * 1977-01-26 1979-12-27 Technopulp A G KRAFT PAPER AND METHOD OF MAKING THE SAME
NO142091C (en) * 1977-10-17 1980-06-25 Myrens Verksted As PROCEDURE FOR OZONE TREATMENT OF REFINO MECHANICAL AND THERMOMECHANICAL MASS.
DE3223149C1 (en) * 1982-06-22 1984-01-19 Hermann 4020 Mettmann Frey Process for the production of paper or similar materials
SU1395722A1 (en) * 1986-07-04 1988-05-15 Сибирский научно-исследовательский институт целлюлозы и картона Fibrous mass for making bagging paper
SU1650840A1 (en) * 1989-01-19 1991-05-23 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Bagging paper

Also Published As

Publication number Publication date
ES2147169T1 (en) 2000-09-01
RU2208079C2 (en) 2003-07-10
BG63849B1 (en) 2003-03-31
SE9702656D0 (en) 1997-07-09
WO1999002772A1 (en) 1999-01-21
ATE219536T1 (en) 2002-07-15
PT1012377E (en) 2002-10-31
BR9810569B1 (en) 2008-11-18
HU222668B1 (en) 2003-09-29
BG104046A (en) 2000-07-31
PL187952B1 (en) 2004-11-30
EP1012377A1 (en) 2000-06-28
ES2147169T3 (en) 2002-11-16
SE9702656L (en) 1999-01-10
CZ297129B6 (en) 2006-09-13
HUP0003123A2 (en) 2001-02-28
CZ476399A3 (en) 2000-08-16
DE69806168T2 (en) 2002-11-28
BR9810569A (en) 2000-09-19
ZA986082B (en) 1999-01-26
CA2295075A1 (en) 1999-01-21
PL337972A1 (en) 2000-09-11
SE510506C2 (en) 1999-05-31
HUP0003123A3 (en) 2001-12-28
AU8365898A (en) 1999-02-08
EP1012377B1 (en) 2002-06-19
DE1012377T1 (en) 2000-11-02
DE69806168D1 (en) 2002-07-25
EE200000009A (en) 2000-08-15

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Legal Events

Date Code Title Description
GB1A Change in the ownership or in the address of the owner
KB4A Valid patent at the end of a year

Effective date: 20051231

KB4A Valid patent at the end of a year

Effective date: 20061231

KB4A Valid patent at the end of a year

Effective date: 20071231

KB4A Valid patent at the end of a year

Effective date: 20081231

KB4A Valid patent at the end of a year

Effective date: 20101231