GB1183531A - Developing electrostatic images - Google Patents

Developing electrostatic images

Info

Publication number
GB1183531A
GB1183531A GB1796267A GB1796267A GB1183531A GB 1183531 A GB1183531 A GB 1183531A GB 1796267 A GB1796267 A GB 1796267A GB 1796267 A GB1796267 A GB 1796267A GB 1183531 A GB1183531 A GB 1183531A
Authority
GB
United Kingdom
Prior art keywords
drum
roller
toner particles
meniscus
april
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
GB1796267A
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.)
Xerox Ltd
Original Assignee
Rank Xerox 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 Rank Xerox Ltd filed Critical Rank Xerox Ltd
Publication of GB1183531A publication Critical patent/GB1183531A/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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/24—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 whereby at least two steps are performed simultaneously
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/101—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer for wetting the recording material

Abstract

1,183,531. Developing electrostatic images. RANK XEROX Ltd. April 19, 1967 [April 25, 1966], No.17962/67. Heading G2H. An electrostatic image is formed on a drum 10 by charging and exposure in known manner. A roller 20 having a serrated periphery is partly immersed in a container 21 for developer 13 comprising negatively charged toner particles suspended in an insulating liquid. A meniscus 22 is maintained between the roller 20 and a web 14 fed in synchronism with the drum 10. Toner particles in the meniscus have a high turbulence due to the relative movement of drum 10 and roller 20. The negatively charged toner particles are attracted to the positively charged image areas and so deposit in image formation on the drum. The container may be connected to a negative voltage supply and the roller 20 to a positive voltage supply to increase toner concentration and reduce background.
GB1796267A 1966-04-25 1967-04-19 Developing electrostatic images Expired GB1183531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54487566A 1966-04-25 1966-04-25

Publications (1)

Publication Number Publication Date
GB1183531A true GB1183531A (en) 1970-03-11

Family

ID=24173960

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1796267A Expired GB1183531A (en) 1966-04-25 1967-04-19 Developing electrostatic images

Country Status (2)

Country Link
DE (1) DE1572361A1 (en)
GB (1) GB1183531A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921580A (en) * 1974-06-12 1975-11-25 Varian Associates Liquid development of electrostatic images
US4325627A (en) * 1979-12-19 1982-04-20 Savin Corporation Method and apparatus for liquid-developing latent electrostatic images

Also Published As

Publication number Publication date
DE1572361A1 (en) 1970-02-19

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee