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WO1999020839A1 - Carton ondule forme a sec - Google Patents

Carton ondule forme a sec Download PDF

Info

Publication number
WO1999020839A1
WO1999020839A1 PCT/FI1998/000809 FI9800809W WO9920839A1 WO 1999020839 A1 WO1999020839 A1 WO 1999020839A1 FI 9800809 W FI9800809 W FI 9800809W WO 9920839 A1 WO9920839 A1 WO 9920839A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
corrugated
corrugated cardboard
dry laying
dry
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/FI1998/000809
Other languages
English (en)
Finnish (fi)
Inventor
Arto Kovalainen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WALKISOFT FINLAND Oy
Original Assignee
WALKISOFT FINLAND 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 WALKISOFT FINLAND Oy filed Critical WALKISOFT FINLAND Oy
Publication of WO1999020839A1 publication Critical patent/WO1999020839A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/08—Corrugated paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • 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
    • D21H27/30—Multi-ply
    • D21H27/42—Multi-ply comprising dry-laid paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/202—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/758—Odour absorbent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B32B2317/127—Corrugated cardboard
    • 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
    • D21H27/30—Multi-ply
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped

Definitions

  • This invention relates to a corrugated cardboard, which contains at least one smooth
  • corrugated cardboard is as material for various packaging containers.
  • corrugated cardboard is used as a packaging material, its primary purpose is to
  • the intention of the present invention is to provide a corrugated cardboard in which
  • This layer formed by dry laying can be either the corrugated layer or equally the smooth
  • a layer formed by dry laying can contain
  • fibres or particles absorbing liquid or odours The fibres of a layer formed by dry
  • laying can also be dyed to give a desired tone of colour to the layer in question.
  • layer formed by dry laying can also contain fibres or particles emitting odours.
  • a layer formed by dry laying can be made to contain fibres or particles
  • a corrugated cardboard according to the invention can further contain at least one
  • barrier layer on at least one surface of at least one cardboard layer.
  • thermoplastic layer is typically a gas- and/or liquid tight thermoplastic layer attached to the cardboard
  • FIG. 1 shows a first example embodiment of a corrugated cardboard according to the
  • Fig. 2 shows a second example embodiment of a corrugated cardboard according to
  • cardboard according to the invention is shown. It contains a smooth cardboard layer
  • corrugated layer 2 This corrugated
  • layer 2 is produced by dry laying, i.e., by so-called dry-forming technique. This
  • desired layer thickness requires, when one layer after another is formed on the same
  • the layer formed by dry laying can be composed of primarily wood fibres which are preferably relatively long-fibre
  • thermobonding mechanical pulp and of plastic fibres which can be of any suitable thermobonding
  • the web is bonded with heat in, for instance, a flow-
  • dry laying must, as a rule, be relatively rigid. This is achieved by appropriately
  • agents absorbing odours can be added to the web either in
  • properties of a packaging material can be varied according to the requirements of die
  • Figure 2 of the attached drawing shows another example embodiment of a
  • corrugated cardboard according to the invention.
  • layer 20 of cardboard is
  • corrugated and the smooth layer 10 attached to it is a layer formed by dry laying.
  • the layer formed by dry laying can be given the desired properties
  • a corrugated cardboard according to die invention can also be made to contain
  • barrier layers are attached to a cardboard
  • thermoplastic gas and/or liquid tightness and typically made of thermoplastic can be located on
  • the barrier layer can naturally be located between these cardboard layers.
  • a corrugated cardboard can contain
  • cardboard resembles, for example, conventional so-called two-sided corrugated
  • layer when made of cardboard, can be made of one or several webs, in which case a
  • barrier layer or several barrier layers, if such exist, can be located on any surface of
  • any of the cardboard layers There can also be several layers formed by dry laying so
  • corrugated layer is added a corrugated layer. More than one corrugated layers can, if

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

L'invention concerne un carton ondulé comprenant au moins une couche lisse (1) et au moins une couche ondulée (2), une des couches étant au moins une couche de carton (1). Selon l'invention au moins une des couches est une couche (2) formée à sec.
PCT/FI1998/000809 1997-10-22 1998-10-19 Carton ondule forme a sec Ceased WO1999020839A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974025 1997-10-22
FI974025A FI974025L (fi) 1997-10-22 1997-10-22 Aaltopahvi

Publications (1)

Publication Number Publication Date
WO1999020839A1 true WO1999020839A1 (fr) 1999-04-29

Family

ID=8549777

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1998/000809 Ceased WO1999020839A1 (fr) 1997-10-22 1998-10-19 Carton ondule forme a sec

Country Status (2)

Country Link
FI (1) FI974025L (fr)
WO (1) WO1999020839A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000035674A1 (fr) * 1998-12-14 2000-06-22 Stora Enso Oyj Materiau a base de carton
WO2003004258A1 (fr) * 2001-07-05 2003-01-16 M-Real Oyj Procede de production de carton et article en carton correspondant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773587A (en) * 1971-07-01 1973-11-20 Domtar Ltd Manufacture of corrugated board
GB1595905A (en) * 1977-04-29 1981-08-19 Kroyer St Annes S Ltd Karl Process for making a cellulosic product
EP0255654A1 (fr) * 1986-08-06 1988-02-10 MIRA LANZA S.p.a. Procédé de formation à sec de produits en feuilles contenant des polymères superabsorbants mélangés avec des fibres cellulosiques, et produits absorbants ainsi obtenus
US5310593A (en) * 1990-10-31 1994-05-10 Osaka Gas Company Limited Adsorbent
US5637377A (en) * 1995-05-31 1997-06-10 Sunclipse, Inc. Protective containerboard for electrostatic discharge sensitive devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773587A (en) * 1971-07-01 1973-11-20 Domtar Ltd Manufacture of corrugated board
GB1595905A (en) * 1977-04-29 1981-08-19 Kroyer St Annes S Ltd Karl Process for making a cellulosic product
EP0255654A1 (fr) * 1986-08-06 1988-02-10 MIRA LANZA S.p.a. Procédé de formation à sec de produits en feuilles contenant des polymères superabsorbants mélangés avec des fibres cellulosiques, et produits absorbants ainsi obtenus
US5310593A (en) * 1990-10-31 1994-05-10 Osaka Gas Company Limited Adsorbent
US5637377A (en) * 1995-05-31 1997-06-10 Sunclipse, Inc. Protective containerboard for electrostatic discharge sensitive devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000035674A1 (fr) * 1998-12-14 2000-06-22 Stora Enso Oyj Materiau a base de carton
WO2003004258A1 (fr) * 2001-07-05 2003-01-16 M-Real Oyj Procede de production de carton et article en carton correspondant

Also Published As

Publication number Publication date
FI974025A0 (fi) 1997-10-22
FI974025A7 (fi) 1999-04-23
FI974025L (fi) 1999-04-23

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