ATE540159T1 - CALENDAR FOR SMOOTHING A PAPER OR CARDBOARD WEB - Google Patents

CALENDAR FOR SMOOTHING A PAPER OR CARDBOARD WEB

Info

Publication number
ATE540159T1
ATE540159T1 AT09008728T AT09008728T ATE540159T1 AT E540159 T1 ATE540159 T1 AT E540159T1 AT 09008728 T AT09008728 T AT 09008728T AT 09008728 T AT09008728 T AT 09008728T AT E540159 T1 ATE540159 T1 AT E540159T1
Authority
AT
Austria
Prior art keywords
paper
web
treatment
calendar
smoothing
Prior art date
Application number
AT09008728T
Other languages
German (de)
Inventor
Peter Svenka
Bernhard Brendel
Eduard Davydenko
Original Assignee
Andritz Kuesters Gmbh
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 Andritz Kuesters Gmbh filed Critical Andritz Kuesters Gmbh
Application granted granted Critical
Publication of ATE540159T1 publication Critical patent/ATE540159T1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/006—Calenders; Smoothing apparatus with extended nips
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/0066—Calenders; Smoothing apparatus using a special calendering belt

Landscapes

  • Paper (AREA)

Abstract

The calender (1) has a pressure producing unit (6) for producing a preset pressure in a nip (3). A web treatment unit (7) includes two contact surfaces (9, 10) that form a treatment gap (8). The surface (9) is formed by a band (14) that circulates at guide rollers (11-13). The surface (10) is formed by a circulating outer wall of a heatable roller (4). The band exhibits a flexible thickness region at a side facing a paper or cardboard web (2), where the thickness region exhibits a spring rate smaller than a spring rate of the web to start treatment in the treatment gap.
AT09008728T 2009-07-03 2009-07-03 CALENDAR FOR SMOOTHING A PAPER OR CARDBOARD WEB ATE540159T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09008728A EP2275601B1 (en) 2009-07-03 2009-07-03 Calendar for smoothing sheets of paper or cardboard

Publications (1)

Publication Number Publication Date
ATE540159T1 true ATE540159T1 (en) 2012-01-15

Family

ID=43243061

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09008728T ATE540159T1 (en) 2009-07-03 2009-07-03 CALENDAR FOR SMOOTHING A PAPER OR CARDBOARD WEB

Country Status (3)

Country Link
EP (1) EP2275601B1 (en)
AT (1) ATE540159T1 (en)
PL (1) PL2275601T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010002819A1 (en) * 2010-03-12 2011-09-15 Voith Patent Gmbh Calendering arrangement and method of calendering
DE102012209736A1 (en) * 2012-06-11 2013-12-12 Voith Patent Gmbh calender
DE102015200380A1 (en) * 2015-01-14 2016-07-14 Voith Patent Gmbh Tape for a smoothing device, smoothing device and smoothing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE502960C2 (en) * 1994-06-15 1996-02-26 Nordiskafilt Ab Albany Arrangement for calendaring
AU9127698A (en) * 1997-10-31 1999-05-24 Beloit Technologies, Inc. Soft nip calender
DE102007024581A1 (en) 2007-05-25 2008-11-27 Voith Patent Gmbh Calender, has two paper or cardboard web handling units with two contact surfaces and current paper or cardboard strip under pressure or temperature impact is processed between contact surfaces of each paper or cardboard web handling unit

Also Published As

Publication number Publication date
EP2275601A1 (en) 2011-01-19
PL2275601T3 (en) 2012-06-29
EP2275601B1 (en) 2012-01-04

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