GB1519825A - Shaking the creen of a paper-making apparatus - Google Patents

Shaking the creen of a paper-making apparatus

Info

Publication number
GB1519825A
GB1519825A GB31642/75A GB3164275A GB1519825A GB 1519825 A GB1519825 A GB 1519825A GB 31642/75 A GB31642/75 A GB 31642/75A GB 3164275 A GB3164275 A GB 3164275A GB 1519825 A GB1519825 A GB 1519825A
Authority
GB
United Kingdom
Prior art keywords
foils
wire
paper
vibrated
phase
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
GB31642/75A
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.)
Jwi Ltd
Original Assignee
Jwi Ltd
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 Jwi Ltd filed Critical Jwi Ltd
Publication of GB1519825A publication Critical patent/GB1519825A/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
    • D21F1/18—Shaking apparatus for wire-cloths and associated parts
    • D21F1/20—Shaking apparatus for wire-cloths and associated parts in Fourdrinier machines

Landscapes

  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

1519825 Paper-making machines JWI Ltd 29 July 1975 [6 Aug 1974] 31642/75 Heading D2A In a Fourdrinier machine a drainage foil 7 is vibrated in a cross-machine direction at the fundamental frequency of the stock-carrying run of the wire 2 or a harmonic thereof to shake the wire 2 to improve drainage and fibre distribution. As shown, alternate foils 7 are slidable on T-section supports 6 and are coupled by rods 9 to eccentrics 10, 11, 12 driven by a shaft 13. Alternatively hydraulic or pneumatic vibrating means may be used. As shown, the foils 7 are 180‹ out of phase but have equal amplitudes of vibration. Alternatively they may be vibrated in phase but with different amplitudes. The top surfaces of the foils 7 may be of rubber to increase friction between the foils and the wire.
GB31642/75A 1974-08-06 1975-07-29 Shaking the creen of a paper-making apparatus Expired GB1519825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA206,324A CA1021974A (en) 1974-08-06 1974-08-06 Paper machine shake

Publications (1)

Publication Number Publication Date
GB1519825A true GB1519825A (en) 1978-08-02

Family

ID=4100841

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31642/75A Expired GB1519825A (en) 1974-08-06 1975-07-29 Shaking the creen of a paper-making apparatus

Country Status (7)

Country Link
JP (1) JPS5170305A (en)
CA (1) CA1021974A (en)
DE (1) DE2534998A1 (en)
FI (1) FI752197A (en)
GB (1) GB1519825A (en)
IT (1) IT1040448B (en)
SE (1) SE415676B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6194597U (en) * 1984-11-21 1986-06-18
DE3740480A1 (en) * 1987-11-28 1989-06-08 Voith Gmbh J M DEHUMBING METHODS AND DEVICES
AT395446B (en) * 1990-03-01 1992-12-28 Bartelmuss Heinz Mag Dewatering device
DE4229184A1 (en) * 1992-09-02 1993-01-14 Voith Gmbh J M Paper-making wet pulp section - has drive to give reciprocating sliding movement to a lateral unit, to maintain paper thickness
AT500751B8 (en) 2003-02-20 2007-02-15 Bartelmuss Klaus Ing DEVICE FOR TREATING, ESPECIALLY FOR IMPRESSION DISTRIBUTION, OF THE AT LEAST ONE SIEVE BAND OR MOVING IN A PAPER GENERATION APPARATUS. felt belt
DE102020113379B4 (en) * 2020-05-18 2024-04-04 Voith Patent Gmbh Vibration device for a plant for the production of a nonwoven web

Also Published As

Publication number Publication date
DE2534998A1 (en) 1976-02-19
FI752197A (en) 1976-02-07
SE7508827L (en) 1976-02-09
IT1040448B (en) 1979-12-20
SE415676B (en) 1980-10-20
CA1021974A (en) 1977-12-06
JPS5170305A (en) 1976-06-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee