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BR9810569A - Process for producing kraft paper, kraft paper, and valve bag - Google Patents

Process for producing kraft paper, kraft paper, and valve bag

Info

Publication number
BR9810569A
BR9810569A BR9810569-8A BR9810569A BR9810569A BR 9810569 A BR9810569 A BR 9810569A BR 9810569 A BR9810569 A BR 9810569A BR 9810569 A BR9810569 A BR 9810569A
Authority
BR
Brazil
Prior art keywords
kraft paper
valve bag
paper
kraft
refinement
Prior art date
Application number
BR9810569-8A
Other languages
Portuguese (pt)
Other versions
BR9810569B1 (en
Inventor
Bjoern Nilsson
Stfan Hokansson
Marie Ing Ryden
Original Assignee
Assidomon 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=BR9810569(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Assidomon Ab filed Critical Assidomon Ab
Publication of BR9810569A publication Critical patent/BR9810569A/en
Publication of BR9810569B1 publication Critical patent/BR9810569B1/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

"PROCESSO PARA PRODUZIR PAPEL KRAFT, PAPEL KRAFT, E, SACO DE VáLVULA". Processo para fabricar papel Kraft, em que uma polpa de sulfato é submetida a somente refinamento HC ou a refinamento HC em combinação com batimento LC, o batimento LC, se aplicável, sendo realizado em um relativamente baixo suprimento de energia, e em que um agente de reforço, especialmente um polímero carregado, é subseq³entemente adicionado à matéria prima, preferivelmente em dois pontos separados do processo, em uma quantidade total de pelo menos 8 Kg por tonelada de papel. O papel Kraft, com um índice de absorção de energia de tração de 2,5-3,5 J/g em uma porosidade (Gurley) menor do que 10 segundos. Um saco de válvula de uma ou mais camadas de dito pepal Kraft."PROCESS TO PRODUCE KRAFT PAPER, KRAFT PAPER, AND, VALVE BAG". Process for making Kraft paper, in which a sulphate pulp is subjected to only HC refinement or HC refinement in combination with LC beat, the LC beat, if applicable, being carried out in a relatively low energy supply, and in which an agent reinforcement, especially a charged polymer, is subsequently added to the raw material, preferably at two separate points in the process, in a total amount of at least 8 kg per ton of paper. Kraft paper, with a tensile energy absorption index of 2.5-3.5 J / g in a porosity (Gurley) less than 10 seconds. A valve bag of one or more layers of said Kraft cucumber.

BRPI9810569-8A 1997-07-09 1998-07-07 process to produce kraft paper. BR9810569B1 (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
BR9810569A true BR9810569A (en) 2000-09-19
BR9810569B1 BR9810569B1 (en) 2008-11-18

Family

ID=20407702

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9810569-8A BR9810569B1 (en) 1997-07-09 1998-07-07 process to produce kraft 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) DE1012377T1 (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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3786079B1 (en) 2019-08-27 2022-04-06 BillerudKorsnäs AB A paper bag

Families Citing this family (26)

* 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
WO2008035368A2 (en) * 2006-06-26 2008-03-27 Biltube India Limited Core board
PL2236664T3 (en) * 2009-03-30 2016-06-30 Omya Int Ag Process for the production of nano-fibrillar cellulose suspensions
PT2236545E (en) 2009-03-30 2014-11-06 Omya Int Ag Process for the production of nano-fibrillar cellulose gels
DK2386682T3 (en) 2010-04-27 2014-06-23 Omya Int Ag Process for preparing structured materials using nano-fibrillar cellulose gels
SI2386683T1 (en) 2010-04-27 2014-07-31 Omya International Ag Process for the production of gel-based composite materials
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
EP3023543B1 (en) 2013-07-18 2020-09-09 Nippon Paper Industries Co., Ltd. Clupak paper
PL2963178T3 (en) 2014-07-04 2016-12-30 Production of sack paper
PL2963179T3 (en) 2014-07-04 2016-12-30 Coated 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 making 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
US10577469B2 (en) 2015-10-14 2020-03-03 Fiberlean Technologies Limited 3D-formable sheet material
ES2666830T3 (en) * 2015-11-10 2018-05-08 Billerudkorsnäs Ab Paper for a vertical wrapping machine
ES2658291T3 (en) 2015-12-21 2018-03-09 Billerudkorsnäs Ab Rainproof paper bag
EP3184694A1 (en) 2015-12-21 2017-06-28 BillerudKorsnäs AB Rainproof 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
EP3385445B1 (en) * 2017-04-06 2019-06-05 BillerudKorsnäs AB Production of highly stretchable paper having satisfactory surface properties
EP3385444B1 (en) * 2017-04-06 2019-04-24 BillerudKorsnäs AB Production of paper that is highly stretchable in the cross direction
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 (5)

* 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
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
SU1650840A1 (en) * 1989-01-19 1991-05-23 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Bagging paper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3786079B1 (en) 2019-08-27 2022-04-06 BillerudKorsnäs AB A paper bag

Also Published As

Publication number Publication date
EP1012377A1 (en) 2000-06-28
CZ297129B6 (en) 2006-09-13
AU8365898A (en) 1999-02-08
SE9702656L (en) 1999-01-10
PT1012377E (en) 2002-10-31
EE200000009A (en) 2000-08-15
ES2147169T1 (en) 2000-09-01
ATE219536T1 (en) 2002-07-15
RU2208079C2 (en) 2003-07-10
DE1012377T1 (en) 2000-11-02
CA2295075A1 (en) 1999-01-21
ZA986082B (en) 1999-01-26
PL337972A1 (en) 2000-09-11
SE9702656D0 (en) 1997-07-09
HUP0003123A2 (en) 2001-02-28
BG63849B1 (en) 2003-03-31
DE69806168D1 (en) 2002-07-25
CZ476399A3 (en) 2000-08-16
BG104046A (en) 2000-07-31
BR9810569B1 (en) 2008-11-18
EP1012377B1 (en) 2002-06-19
WO1999002772A1 (en) 1999-01-21
HUP0003123A3 (en) 2001-12-28
HU222668B1 (en) 2003-09-29
ES2147169T3 (en) 2002-11-16
PL187952B1 (en) 2004-11-30
EE04531B1 (en) 2005-08-15
DE69806168T2 (en) 2002-11-28
SE510506C2 (en) 1999-05-31

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: BILLERUD SKAERBLACKA AB (SE)

Free format text: TRANSFERIDO DE: ASSIDOMAEN AB

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 02/12/2008, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)