FR2100115A5 - Paper making machine wet joint - using a curved, sectioned suction bo - Google Patents

Paper making machine wet joint - using a curved, sectioned suction bo

Info

Publication number
FR2100115A5
FR2100115A5 FR7124100A FR7124100A FR2100115A5 FR 2100115 A5 FR2100115 A5 FR 2100115A5 FR 7124100 A FR7124100 A FR 7124100A FR 7124100 A FR7124100 A FR 7124100A FR 2100115 A5 FR2100115 A5 FR 2100115A5
Authority
FR
France
Prior art keywords
curved
suction
screen
making machine
roller
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.)
Expired
Application number
FR7124100A
Other languages
French (fr)
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 AG
Original Assignee
Escher Wyss AG
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 Escher Wyss AG filed Critical Escher Wyss AG
Application granted granted Critical
Publication of FR2100115A5 publication Critical patent/FR2100115A5/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/48—Suction apparatus
    • D21F1/52—Suction boxes without rolls

Landscapes

  • Paper (AREA)
  • Soil Working Implements (AREA)

Abstract

Instead of using a suction roller at the return end of the travelling screen, the return roller is preceeded by a long curved suction box with a hardened, perforated upper surface, and divided into several suction compartments. The screen falls somewhat at the return end as it approaches the return roller, i.e. the roller is below the level of the horizontal run of the screen. For a double screen machine, curved suction boxes are arranged each side of the screen.
FR7124100A 1970-07-01 1971-07-01 Paper making machine wet joint - using a curved, sectioned suction bo Expired FR2100115A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT589970 1970-07-01

Publications (1)

Publication Number Publication Date
FR2100115A5 true FR2100115A5 (en) 1972-03-17

Family

ID=3580776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124100A Expired FR2100115A5 (en) 1970-07-01 1971-07-01 Paper making machine wet joint - using a curved, sectioned suction bo

Country Status (2)

Country Link
DE (1) DE2131984A1 (en)
FR (1) FR2100115A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253508A2 (en) * 1986-06-19 1988-01-20 Eldridge, Visseau Incorporated A stationary couch device for a papermaking machine

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3803805C1 (en) * 1988-02-09 1989-04-27 J.M. Voith Gmbh, 7920 Heidenheim, De
DE10116867A1 (en) * 2001-04-04 2002-10-10 Voith Paper Patent Gmbh Paper making sieve conveyer has curved water suction head positioned at junction of two dewatering planes
DE10162133A1 (en) * 2001-12-18 2003-07-03 Voith Paper Patent Gmbh Machine for making a fiber material width comprises a sheet formation zone passed over a vacuum box of zonal effective low pressure in the machine direction which can be increased without falling to zero
DE10247048A1 (en) * 2002-10-09 2004-04-22 Voith Paper Patent Gmbh Papermaking assembly dewatering stage terminates in a full-width suction element located immediately after a sieve drive drum and an inclined plane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253508A2 (en) * 1986-06-19 1988-01-20 Eldridge, Visseau Incorporated A stationary couch device for a papermaking machine
EP0253508A3 (en) * 1986-06-19 1988-09-07 Eldridge, Visseau Incorporation A stationary couch device for a papermaking machine

Also Published As

Publication number Publication date
DE2131984A1 (en) 1972-02-10

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Legal Events

Date Code Title Description
ST Notification of lapse