GB1388084A - Corona discharge element - Google Patents

Corona discharge element

Info

Publication number
GB1388084A
GB1388084A GB1306473A GB1306473A GB1388084A GB 1388084 A GB1388084 A GB 1388084A GB 1306473 A GB1306473 A GB 1306473A GB 1306473 A GB1306473 A GB 1306473A GB 1388084 A GB1388084 A GB 1388084A
Authority
GB
United Kingdom
Prior art keywords
blade
apexes
plane
projections
march
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
GB1306473A
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Publication of GB1388084A publication Critical patent/GB1388084A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00—Devices providing for corona discharge
    • H01T19/04—Devices providing for corona discharge having pointed electrodes
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/02—Arrangements for laying down a uniform charge
    • G03G2215/026—Arrangements for laying down a uniform charge by coronas
    • G03G2215/028—Arrangements for laying down a uniform charge by coronas using pointed electrodes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Electrostatic Separation (AREA)
GB1306473A 1972-03-20 1973-03-19 Corona discharge element Expired GB1388084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722213425 DE2213425C3 (de) 1972-03-20 1972-03-20 Coronasprühelement und Verfahren zur Herstellung eines Coronasprühelements

Publications (1)

Publication Number Publication Date
GB1388084A true GB1388084A (en) 1975-03-19

Family

ID=5839482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1306473A Expired GB1388084A (en) 1972-03-20 1973-03-19 Corona discharge element

Country Status (6)

Country Link
JP (1) JPS498241A (enrdf_load_stackoverflow)
AU (1) AU5339173A (enrdf_load_stackoverflow)
DE (1) DE2213425C3 (enrdf_load_stackoverflow)
FR (1) FR2176914A1 (enrdf_load_stackoverflow)
GB (1) GB1388084A (enrdf_load_stackoverflow)
NL (1) NL7303348A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0575731A3 (en) * 1992-06-26 1994-10-26 Sharp Kk Crown effect charger.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1162627B (it) * 1978-04-24 1987-04-01 Coulter Systems Corp Elemento generatore di corona
JPS5532032A (en) * 1978-08-29 1980-03-06 Ricoh Co Ltd Wire electrode for corona discharging
DE3219538A1 (de) * 1982-05-25 1983-12-01 Softal Electronic GmbH, 2000 Hamburg Vorrichtung zur elektrischen vorbehandlung von nichtleitenden folien
JPS6080870A (ja) * 1983-10-12 1985-05-08 Fuji Xerox Co Ltd コロナ放電装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0575731A3 (en) * 1992-06-26 1994-10-26 Sharp Kk Crown effect charger.
US5412213A (en) * 1992-06-26 1995-05-02 Sharp Kabushiki Kaisha Charger for performing a corona discharge

Also Published As

Publication number Publication date
DE2213425C3 (de) 1976-01-08
JPS498241A (enrdf_load_stackoverflow) 1974-01-24
DE2213425A1 (de) 1973-10-04
AU5339173A (en) 1974-10-10
FR2176914A1 (enrdf_load_stackoverflow) 1973-11-02
NL7303348A (enrdf_load_stackoverflow) 1973-09-24
DE2213425B2 (de) 1975-04-17

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees