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DE3462440D1 - Process and device for the large area dispensing and spreading of electrically conducting liquids - Google Patents

Process and device for the large area dispensing and spreading of electrically conducting liquids

Info

Publication number
DE3462440D1
DE3462440D1 DE8484107625T DE3462440T DE3462440D1 DE 3462440 D1 DE3462440 D1 DE 3462440D1 DE 8484107625 T DE8484107625 T DE 8484107625T DE 3462440 T DE3462440 T DE 3462440T DE 3462440 D1 DE3462440 D1 DE 3462440D1
Authority
DE
Germany
Prior art keywords
liquid
drops
spreading
large area
electrically conducting
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
DE8484107625T
Other languages
German (de)
Inventor
Walter Dipl Phys Simm
Jurgen Dr Langeheine
Heinz-Josef Dr Niessen
Hans-Jurgen Dr Rosslenbroich
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of DE3462440D1 publication Critical patent/DE3462440D1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only

Landscapes

  • Electrostatic Spraying Apparatus (AREA)
  • Catching Or Destruction (AREA)
  • Chemically Coating (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Nozzles (AREA)
  • Conductive Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Cultivation Of Plants (AREA)

Abstract

1. Process for the large-area application and distribution of electrically conductive liquids having a specific resistance of < 10**4 OMEGA . m, in which a high voltage is applied to the liquid, characterised in that the liquid is allowed to issue from a nozzle or capillary at such a low rate of flow that, immediately downstream of the nozzle or capillary, it forms a cohesive filament of liquid which then disintegrates into individual drops and in that, by means of the high voltage relative to earth which is applied to the filament of liquid, the drop size is stabilised and a conical distribution of drops (cone of drops) is produced whose apex angle depends on the level of the voltage.
DE8484107625T 1983-07-12 1984-07-02 Process and device for the large area dispensing and spreading of electrically conducting liquids Expired DE3462440D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833325070 DE3325070A1 (en) 1983-07-12 1983-07-12 METHOD AND DEVICE FOR SPRAYING ELECTRICALLY CONDUCTIVE LIQUIDS

Publications (1)

Publication Number Publication Date
DE3462440D1 true DE3462440D1 (en) 1987-04-09

Family

ID=6203756

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19833325070 Withdrawn DE3325070A1 (en) 1983-07-12 1983-07-12 METHOD AND DEVICE FOR SPRAYING ELECTRICALLY CONDUCTIVE LIQUIDS
DE8484107625T Expired DE3462440D1 (en) 1983-07-12 1984-07-02 Process and device for the large area dispensing and spreading of electrically conducting liquids

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19833325070 Withdrawn DE3325070A1 (en) 1983-07-12 1983-07-12 METHOD AND DEVICE FOR SPRAYING ELECTRICALLY CONDUCTIVE LIQUIDS

Country Status (17)

Country Link
EP (1) EP0134951B1 (en)
JP (1) JPS6041419A (en)
KR (1) KR850001031A (en)
AT (1) ATE25597T1 (en)
AU (1) AU2950584A (en)
BR (1) BR8403451A (en)
CA (1) CA1224982A (en)
DD (1) DD225350A5 (en)
DE (2) DE3325070A1 (en)
DK (1) DK340384A (en)
ES (1) ES8504494A1 (en)
HU (1) HU190315B (en)
IE (1) IE55390B1 (en)
IL (1) IL72346A0 (en)
NZ (1) NZ208830A (en)
PT (1) PT78829B (en)
ZA (1) ZA845344B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3522979A1 (en) * 1985-06-27 1987-01-02 Bayer Ag METHOD FOR PRODUCING ELECTRICALLY CHARGED SPRAY MIST FROM CONDUCTIVE LIQUIDS
US4748043A (en) * 1986-08-29 1988-05-31 Minnesota Mining And Manufacturing Company Electrospray coating process
DE3707547A1 (en) * 1987-03-10 1988-09-22 Bayer Ag METHOD AND DEVICE FOR SPRAYING PLANT PROTECTIVE SOLUTIONS OR DISPERSIONS
GB9115279D0 (en) * 1991-07-15 1991-08-28 Unilever Plc Hair and scalp treatment system
GB9115277D0 (en) * 1991-07-15 1991-08-28 Unilever Plc Spraying system
GB9115278D0 (en) * 1991-07-15 1991-08-28 Unilever Plc Liquid spraying apparatus and method
GB9115276D0 (en) * 1991-07-15 1991-08-28 Unilever Plc Skin treatment system
GB9115275D0 (en) * 1991-07-15 1991-08-28 Unilever Plc Colour cosmetic spray system
US5246166A (en) * 1991-09-30 1993-09-21 Her Majesty The Queen In The Right Of Canada As Represented By The Minister Of Forestry Spraying apparatus
GB9224191D0 (en) * 1992-11-18 1993-01-06 Unilever Plc Cosmetic delivery system
KR100523559B1 (en) * 2002-10-11 2005-10-25 주식회사 바이오리진 Method of preparing crude saponin from leaves of Panax ginseng for use of food material
JP6657505B2 (en) * 2015-11-09 2020-03-04 アネスト岩田株式会社 Electrostatic spray device and electrostatic spray method
DE102020115923B4 (en) 2019-12-23 2022-10-13 crop.zone GmbH Device for applying contact resistance-reducing media and applying electricity to plants

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE45426B1 (en) * 1976-07-15 1982-08-25 Ici Ltd Atomisation of liquids
DE3069773D1 (en) * 1979-11-19 1985-01-17 Ici Plc Electrostatic spraying process and apparatus
US4489894A (en) * 1981-02-27 1984-12-25 National Research Development Corporation Inductively charged spraying apparatus
GB2100147B (en) * 1981-06-17 1985-09-25 Nat Res Dev Electrostatic spraying

Also Published As

Publication number Publication date
EP0134951B1 (en) 1987-03-04
DE3325070A1 (en) 1985-01-24
ES534231A0 (en) 1985-04-16
PT78829B (en) 1986-07-15
AU2950584A (en) 1985-06-13
HU190315B (en) 1986-08-28
HUT35556A (en) 1985-07-29
BR8403451A (en) 1985-06-25
ZA845344B (en) 1985-03-27
NZ208830A (en) 1988-02-29
IE841785L (en) 1985-01-12
KR850001031A (en) 1985-03-14
DK340384D0 (en) 1984-07-11
JPS6041419A (en) 1985-03-05
PT78829A (en) 1984-08-01
DK340384A (en) 1985-01-13
EP0134951A1 (en) 1985-03-27
ATE25597T1 (en) 1987-03-15
IL72346A0 (en) 1984-11-30
IE55390B1 (en) 1990-08-29
CA1224982A (en) 1987-08-04
ES8504494A1 (en) 1985-04-16
DD225350A5 (en) 1985-07-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee