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FI20205490A1 - Förfarande för att bilda en fiberbana samt formningsparti för en fiberbana - Google Patents

Förfarande för att bilda en fiberbana samt formningsparti för en fiberbana Download PDF

Info

Publication number
FI20205490A1
FI20205490A1 FI20205490A FI20205490A FI20205490A1 FI 20205490 A1 FI20205490 A1 FI 20205490A1 FI 20205490 A FI20205490 A FI 20205490A FI 20205490 A FI20205490 A FI 20205490A FI 20205490 A1 FI20205490 A1 FI 20205490A1
Authority
FI
Finland
Prior art keywords
fiber web
wire
layer
forming section
sizing agent
Prior art date
Application number
FI20205490A
Other languages
English (en)
Finnish (fi)
Inventor
Reijo Pietikäinen
Original Assignee
Valmet Technologies 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 Valmet Technologies Oy filed Critical Valmet Technologies Oy
Priority to FI20205490A priority Critical patent/FI20205490A1/sv
Priority to DE102021112426.3A priority patent/DE102021112426A1/de
Publication of FI20205490A1 publication Critical patent/FI20205490A1/sv

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00Complete machines for making continuous webs of paper
    • D21F9/003Complete machines for making continuous webs of paper of the twin-wire type
    • D21F9/006Complete machines for making continuous webs of paper of the twin-wire type paper or board consisting of two or more layers
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-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
    • D21H21/14Non-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
    • D21H21/16Sizing or water-repelling agents
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-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
    • D21H21/50Non-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 form
    • D21H21/56Foam
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22Addition to the formed paper
    • D21H23/30Pretreatment of the paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22Addition to the formed paper
    • D21H23/46Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
    • D21H23/48Curtain coaters
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30Multi-ply
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30Multi-ply
    • D21H27/32Multi-ply with materials applied between the sheets
    • D21H27/34Continuous materials, e.g. filaments, sheets, nets

Landscapes

  • Paper (AREA)
FI20205490A 2020-05-15 2020-05-15 Förfarande för att bilda en fiberbana samt formningsparti för en fiberbana FI20205490A1 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20205490A FI20205490A1 (sv) 2020-05-15 2020-05-15 Förfarande för att bilda en fiberbana samt formningsparti för en fiberbana
DE102021112426.3A DE102021112426A1 (de) 2020-05-15 2021-05-12 Verfahren zum Formieren einer Faserbahn und Formierpartie für eine Faserbahn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20205490A FI20205490A1 (sv) 2020-05-15 2020-05-15 Förfarande för att bilda en fiberbana samt formningsparti för en fiberbana

Publications (1)

Publication Number Publication Date
FI20205490A1 true FI20205490A1 (sv) 2021-11-16

Family

ID=78280735

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20205490A FI20205490A1 (sv) 2020-05-15 2020-05-15 Förfarande för att bilda en fiberbana samt formningsparti för en fiberbana

Country Status (2)

Country Link
DE (1) DE102021112426A1 (sv)
FI (1) FI20205490A1 (sv)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20185867A1 (sv) 2018-10-15 2020-04-16 Valmet Technologies Oy Förfarande för att limma en flerskiktsbana samt formingsparti för en flerskiktsbana

Also Published As

Publication number Publication date
DE102021112426A1 (de) 2021-11-18

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Legal Events

Date Code Title Description
FD Application lapsed