EP0330955A3 - Process and apparatus for smoothing a web, in particular a paper web - Google Patents

Process and apparatus for smoothing a web, in particular a paper web Download PDF

Info

Publication number
EP0330955A3
EP0330955A3 EP89102891A EP89102891A EP0330955A3 EP 0330955 A3 EP0330955 A3 EP 0330955A3 EP 89102891 A EP89102891 A EP 89102891A EP 89102891 A EP89102891 A EP 89102891A EP 0330955 A3 EP0330955 A3 EP 0330955A3
Authority
EP
European Patent Office
Prior art keywords
smoothing
paper web
web
opening
paper
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.)
Withdrawn
Application number
EP89102891A
Other languages
German (de)
French (fr)
Other versions
EP0330955A2 (en
Inventor
Joachim Dipl.-Ing. Hinz
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.)
Sulzer Escher Wyss GmbH
Original Assignee
Sulzer Escher Wyss 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 Sulzer Escher Wyss GmbH filed Critical Sulzer Escher Wyss GmbH
Publication of EP0330955A2 publication Critical patent/EP0330955A2/en
Publication of EP0330955A3 publication Critical patent/EP0330955A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/002—Opening or closing mechanisms; Regulating the pressure

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

Zur Schonung der Glättwalzen (14) eines Glättwerks (10) kann dieses geöffnet werden, ohne daß Gefahr einer Beschädigung der Papierbahn (P) besteht. Das Öffen des Glättwerks erfolgt im Zusammenhang mit der Feststellung einer fehlerhaften Stelle der Papierbahn oder beim Einführen der Papierbahn in das Glättwerk. Ein Einreißen der Papierbahn beim Öffnen wird dadurch verhindert, daß sich bei der Öffnungsbewegung die Glättwalzen mit der zugehörigen Leitwalze (22, 24) in gleichem Ausmaß bewegt. To protect the smoothing rollers (14) of a smoothing unit (10) can this be opened without the risk of a There is damage to the paper web (P). The opening of the Smoothing takes place in connection with the determination a faulty part of the paper web or at Introduce the paper web into the smoothing unit. A tear the paper web when opening is prevented by the smoothing rollers with the associated guide roller (22, 24) moved to the same extent.

EP89102891A 1988-03-04 1989-02-20 Process and apparatus for smoothing a web, in particular a paper web Withdrawn EP0330955A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3807143 1988-03-04
DE19883807143 DE3807143A1 (en) 1988-03-04 1988-03-04 METHOD AND GLOSSY WORK FOR SMOOTHING A MATERIAL RAIL AND IN PARTICULAR A PAPER RAIL

Publications (2)

Publication Number Publication Date
EP0330955A2 EP0330955A2 (en) 1989-09-06
EP0330955A3 true EP0330955A3 (en) 1990-01-31

Family

ID=6348894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89102891A Withdrawn EP0330955A3 (en) 1988-03-04 1989-02-20 Process and apparatus for smoothing a web, in particular a paper web

Country Status (3)

Country Link
EP (1) EP0330955A3 (en)
DE (1) DE3807143A1 (en)
FI (1) FI890919A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058352A (en) * 1932-09-02 1936-10-20 Beloit Iron Works Calender machine
US3155029A (en) * 1962-11-22 1964-11-03 Dominion Eng Works Ltd Calenders
DE2452977A1 (en) * 1974-11-08 1976-05-13 Kleinewefers Ind Co Gmbh Web calender providing uniform pressure between roller nips - by intermediate cylinders mounted on vertically aligned guides which are selectively displaceable by fluid cylinders
EP0138738A2 (en) * 1983-10-19 1985-04-24 Beloit Corporation Supercalender edge nip relieving
EP0280038A1 (en) * 1987-01-27 1988-08-31 Kleinewefers GmbH Calender

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058352A (en) * 1932-09-02 1936-10-20 Beloit Iron Works Calender machine
US3155029A (en) * 1962-11-22 1964-11-03 Dominion Eng Works Ltd Calenders
DE2452977A1 (en) * 1974-11-08 1976-05-13 Kleinewefers Ind Co Gmbh Web calender providing uniform pressure between roller nips - by intermediate cylinders mounted on vertically aligned guides which are selectively displaceable by fluid cylinders
EP0138738A2 (en) * 1983-10-19 1985-04-24 Beloit Corporation Supercalender edge nip relieving
EP0280038A1 (en) * 1987-01-27 1988-08-31 Kleinewefers GmbH Calender

Also Published As

Publication number Publication date
FI890919A (en) 1989-09-05
EP0330955A2 (en) 1989-09-06
DE3807143A1 (en) 1989-09-14
FI890919A0 (en) 1989-02-27

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