SE8300470L - WITH POSITIVE PULSES WORKING PREPARATION SHEET - Google Patents

WITH POSITIVE PULSES WORKING PREPARATION SHEET

Info

Publication number
SE8300470L
SE8300470L SE8300470A SE8300470A SE8300470L SE 8300470 L SE8300470 L SE 8300470L SE 8300470 A SE8300470 A SE 8300470A SE 8300470 A SE8300470 A SE 8300470A SE 8300470 L SE8300470 L SE 8300470L
Authority
SE
Sweden
Prior art keywords
web
blade
mesh
positive pulses
precondition
Prior art date
Application number
SE8300470A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8300470D0 (en
Inventor
R D Lenz
J L Mellen
Original Assignee
Albany Int Corp
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 Albany Int Corp filed Critical Albany Int Corp
Publication of SE8300470D0 publication Critical patent/SE8300470D0/en
Publication of SE8300470L publication Critical patent/SE8300470L/en

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
    • D21F1/483—Drainage foils and bars
    • 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
    • D21F1/009—Fibre-rearranging devices
    • 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
    • D21F1/523—Covers thereof

Landscapes

  • Paper (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Fertilizers (AREA)

Abstract

This invention involves the use of a positive pulse blade to precondition a wet web of material carried on a wire mesh. The blade (22) is removably mounted in fixed position relative to a wet web of material (28) and mesh to be passed thereover. An upper wear surface (52) is on the blade for engagement with the mesh. Force is applied to entrain water from the web on the underside of the mesh. The blade has a leading edge (48) with a configuration tending to direct all of the water entrained on the underside of the mesh when it is moved toward the blade up through the web to apply a positive pulse to the wet web and precondition the web for facilitating later dewatering of the web. <IMAGE>
SE8300470A 1982-06-28 1983-01-31 WITH POSITIVE PULSES WORKING PREPARATION SHEET SE8300470L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39277782A 1982-06-28 1982-06-28

Publications (2)

Publication Number Publication Date
SE8300470D0 SE8300470D0 (en) 1983-01-31
SE8300470L true SE8300470L (en) 1983-12-29

Family

ID=23551961

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8300470A SE8300470L (en) 1982-06-28 1983-01-31 WITH POSITIVE PULSES WORKING PREPARATION SHEET

Country Status (8)

Country Link
AU (1) AU1053783A (en)
BR (1) BR8207587A (en)
DE (1) DE3316708A1 (en)
FI (1) FI830579L (en)
FR (1) FR2541438A1 (en)
GB (1) GB2124669A (en)
NO (1) NO830600L (en)
SE (1) SE8300470L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513320A1 (en) * 1985-04-13 1986-10-23 Feldmühle AG, 4000 Düsseldorf SCREW BAR FOR A PAPER MACHINE
GB2183685B (en) * 1985-11-28 1989-12-20 Michael John Morley Dewatering apparatus
US5248392A (en) * 1990-07-30 1993-09-28 Mitsubishi Jukogyo Kabushiki Kaisha Sheet-forming apparatus for a twin wire paper machine with positive pulse shoe blades
US5147508A (en) * 1991-10-11 1992-09-15 The Nash Engineering Company Suction box covers for cleaning papermaking machine felts
GB0311802D0 (en) 2003-05-22 2003-06-25 Perplas Ltd Apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1447486A (en) * 1972-07-26 1976-08-25 Jwi Ltd Blades for papermaking machines
SE8104009L (en) * 1980-08-22 1982-02-23 Albany Int Corp WITH POSITIVE PULSES WORKING DRAINAGE SHEETS

Also Published As

Publication number Publication date
FI830579L (en) 1983-12-29
DE3316708A1 (en) 1983-12-29
AU1053783A (en) 1984-01-05
BR8207587A (en) 1984-04-17
FI830579A0 (en) 1983-02-22
GB2124669A (en) 1984-02-22
NO830600L (en) 1983-12-29
FR2541438A1 (en) 1984-08-24
GB8317342D0 (en) 1983-07-27
SE8300470D0 (en) 1983-01-31

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Legal Events

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NAV Patent application has lapsed

Ref document number: 8300470-5

Effective date: 19880526