GB1349055A - Method for the control of charge on a moving web - Google Patents

Method for the control of charge on a moving web

Info

Publication number
GB1349055A
GB1349055A GB2136570A GB1349055DA GB1349055A GB 1349055 A GB1349055 A GB 1349055A GB 2136570 A GB2136570 A GB 2136570A GB 1349055D A GB1349055D A GB 1349055DA GB 1349055 A GB1349055 A GB 1349055A
Authority
GB
United Kingdom
Prior art keywords
web
electrode
signal
control
controller
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
GB2136570A
Other languages
English (en)
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.)
Agfa Gevaert NV
Agfa Gevaert AG
Original Assignee
Agfa Gevaert NV
Agfa Gevaert 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 Agfa Gevaert NV, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Publication of GB1349055A publication Critical patent/GB1349055A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00—Carrying-off electrostatic charges
    • H05F3/04—Carrying-off electrostatic charges by means of spark gaps or other discharge devices

Landscapes

  • Elimination Of Static Electricity (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Advancing Webs (AREA)
GB2136570A 1970-05-04 1971-04-19 Method for the control of charge on a moving web Expired GB1349055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2136570 1970-05-04

Publications (1)

Publication Number Publication Date
GB1349055A true GB1349055A (en) 1974-03-27

Family

ID=10161685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2136570A Expired GB1349055A (en) 1970-05-04 1971-04-19 Method for the control of charge on a moving web

Country Status (5)

Country Link
US (1) US3787706A (enExample)
BE (1) BE766318A (enExample)
DE (1) DE2119780A1 (enExample)
FR (1) FR2089960A5 (enExample)
GB (1) GB1349055A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1429821A (en) * 1973-02-02 1976-03-31 Ici Ltd Electrostatic charge controller
US3927356A (en) * 1973-07-13 1975-12-16 Nat Res Dev Yarn detection devices
US3887845A (en) * 1973-09-26 1975-06-03 Xerox Corp Copier photoreceptor charge control
JPS533249Y2 (enExample) * 1974-06-03 1978-01-27
US4271451A (en) * 1976-07-20 1981-06-02 Hercules Incorporated Method and apparatus for controlling static charges
US4167325A (en) * 1977-11-07 1979-09-11 James River Graphics Inc. Electrographic recording apparatus
US4326796A (en) * 1979-12-13 1982-04-27 International Business Machines Corporation Apparatus and method for measuring and maintaining copy quality in an electrophotographic copier
US4431302A (en) * 1982-02-26 1984-02-14 Coulter Systems Corporation Charge level control for an electrochargeable medium
US4873512A (en) * 1984-03-20 1989-10-10 Westinghouse Electric Corp. Active shaft grounding and diagnotic system
US5041941A (en) * 1989-12-06 1991-08-20 Westvaco Corporation Charge control for EB coated paperboard
US5121285A (en) * 1991-02-11 1992-06-09 Eastman Kodak Company Method and apparatus for eliminating residual charge on plastic sheets having an image formed thereon by a photocopier
US5455514A (en) * 1994-06-20 1995-10-03 Eastman Kodak Company Apparatus and method for measuring polar charge on a sheet or moving web
US6368675B1 (en) 2000-04-06 2002-04-09 3M Innovative Properties Company Electrostatically assisted coating method and apparatus with focused electrode field
US6475572B2 (en) 2000-04-06 2002-11-05 3M Innovative Properties Company Electrostatically assisted coating method with focused web-borne charges
US7398943B2 (en) * 2005-06-24 2008-07-15 Kimberly-Clark Worldwide, Inc. Apparatus for winding paper with static control
DE102018108485B4 (de) * 2018-04-10 2023-02-16 Gema Switzerland Gmbh Wickelmaschine für bahnförmige materialien

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2826166A (en) * 1955-05-06 1958-03-11 Research Corp Automatic controlled electrostatic coating apparatus
US2980834A (en) * 1956-04-26 1961-04-18 Bruning Charles Co Inc Charging of photo-conductive insulating material
US3521126A (en) * 1967-07-28 1970-07-21 Addressograph Multigraph Roller charging apparatus
US3671806A (en) * 1970-11-20 1972-06-20 Eastman Kodak Co Method of and apparatus for applying an electrical charge to a moving sheet of flexible material

Also Published As

Publication number Publication date
FR2089960A5 (enExample) 1972-01-07
US3787706A (en) 1974-01-22
DE2119780A1 (de) 1971-11-25
BE766318A (nl) 1971-10-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee