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CA2107277A1 - Method and apparatus for two-side coating of a thin printing paper web made of mechanical pulp - Google Patents

Method and apparatus for two-side coating of a thin printing paper web made of mechanical pulp

Info

Publication number
CA2107277A1
CA2107277A1 CA 2107277 CA2107277A CA2107277A1 CA 2107277 A1 CA2107277 A1 CA 2107277A1 CA 2107277 CA2107277 CA 2107277 CA 2107277 A CA2107277 A CA 2107277A CA 2107277 A1 CA2107277 A1 CA 2107277A1
Authority
CA
Canada
Prior art keywords
coating
coat
printing paper
web
mechanical pulp
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.)
Granted
Application number
CA 2107277
Other languages
French (fr)
Other versions
CA2107277C (en
Inventor
Rauno Rantanen
Kai Vikman
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.)
Metso Corp
Metsa Board Oyj
Original Assignee
Valmet Paper Machinery Inc
Metsa Serla Paperi Ja Kartonki 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 Paper Machinery Inc, Metsa Serla Paperi Ja Kartonki Oy filed Critical Valmet Paper Machinery Inc
Publication of CA2107277A1 publication Critical patent/CA2107277A1/en
Application granted granted Critical
Publication of CA2107277C publication Critical patent/CA2107277C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Paper (AREA)

Abstract

The invention relates to a method and apparatus for two-side coating of a light base weight printing paper web containing mechanical pulp or recycled fiber.
According to the method the first side of a web (5) is coated in a first coating station (1), the first-side coat is dried at least partially in a dryer unit (3), the second side of the web (5) is coated subsequent to the drying of the first side in a second coating station (2), and the second-side coat is dried at least partially in a second dryer unit (4).
According to the invention both the first-side coat and the second-side coat are formed by applying a required amount of coating mix onto the perimeter of a soft film-coating roll (22) and subsequently transferring said coat film to the web (5) in a nip (N1) formed between a backing roll (24) and said film-coating roll (22).
CA 2107277 1992-11-03 1993-09-29 Method and apparatus for two-side coating of a thin printing paper web made of mechanical pulp Expired - Fee Related CA2107277C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI924960A FI94883C (en) 1992-11-03 1992-11-03 Method and apparatus for double-sided coating of a thin printing paper web containing mechanical pulp
FI924960 1992-11-03

Publications (2)

Publication Number Publication Date
CA2107277A1 true CA2107277A1 (en) 1994-05-04
CA2107277C CA2107277C (en) 2006-03-21

Family

ID=8536146

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2107277 Expired - Fee Related CA2107277C (en) 1992-11-03 1993-09-29 Method and apparatus for two-side coating of a thin printing paper web made of mechanical pulp

Country Status (2)

Country Link
CA (1) CA2107277C (en)
FI (1) FI94883C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6887584B2 (en) 1999-03-12 2005-05-03 Premark Rwp Holdings, Inc. System and method for two sided sheet treating

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96338C (en) * 1994-04-19 1996-06-10 Valmet Corp Method and apparatus for double-sided coating of a printing paper web
DE4414949A1 (en) * 1994-04-28 1995-11-02 Voith Gmbh J M Device for applying at least one liquid medium to a running web of material
FI109216B (en) 1996-03-06 2002-06-14 Metso Paper Inc Method and apparatus for coating a running web
FI115649B (en) 1998-06-10 2005-06-15 Metso Paper Inc Procedure for making paper and a paper machine
FI121086B (en) * 2004-12-31 2010-06-30 Metso Paper Inc Method for coating paper or board webs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6887584B2 (en) 1999-03-12 2005-05-03 Premark Rwp Holdings, Inc. System and method for two sided sheet treating
US6896971B2 (en) 1999-03-12 2005-05-24 Premark Rwp Holdings, Inc. System and method for two sided sheet treating

Also Published As

Publication number Publication date
CA2107277C (en) 2006-03-21
FI924960A7 (en) 1994-05-04
FI94883C (en) 1995-11-10
FI924960A0 (en) 1992-11-03
FI94883B (en) 1995-07-31

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed