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GB1064800A - Duplex xerographic reproduction - Google Patents

Duplex xerographic reproduction

Info

Publication number
GB1064800A
GB1064800A GB5124564A GB5124564A GB1064800A GB 1064800 A GB1064800 A GB 1064800A GB 5124564 A GB5124564 A GB 5124564A GB 5124564 A GB5124564 A GB 5124564A GB 1064800 A GB1064800 A GB 1064800A
Authority
GB
United Kingdom
Prior art keywords
drum
transferred
images
tacky
copy paper
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
GB5124564A
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 GB1064800A publication Critical patent/GB1064800A/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
    • G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
    • G03G15/231—Arrangements for copying on both sides of a recording or image-receiving material
    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/169—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer with means for preconditioning the toner image before the transfer
    • 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
    • G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
    • G03G15/231—Arrangements for copying on both sides of a recording or image-receiving material
    • G03G15/232—Arrangements for copying on both sides of a recording or image-receiving material using a single reusable electrographic recording member
    • G03G15/234—Arrangements for copying on both sides of a recording or image-receiving material using a single reusable electrographic recording member by inverting and refeeding the image receiving material with an image on one face to the recording member to transfer a second image on its second face, e.g. by using a duplex tray; Details of duplex trays or inverters
    • 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
    • G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
    • G03G15/30—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)

Abstract

1,064,800. Printing processes. RANK XEROX Ltd. Dec. 16, 1964 [Dec. 30, 1963; Jan. 3, 1964], No. 51245/64. Heading B6C. [Also in Division G2] A double-sided copy of an original is pro duced by transferring tacky xerographic powder images of the original to both sides of a copy paper. The powder images are transferred to, or formed on, a non-stick surface and made tacky by exposure to the vapour of a solvent for one of the components of the powder. In one form (Fig. 5, not shown), the tacky images are transferred simultaneously to both sides of a copy paper under the influence of an electric field. As shown, metal drum 11 is formed with a layer of vitreous selenium photo-conductor which is coated either with non-stick silicone oil or a thin layer of polytetrafluoroethylene. A sensitizing charge is provided by corona discharge means 31 and the drum 11 moves past an exposure slot to receive the image of a moving microfilm 10. A development chamber 42 includes a toner dispenser 46 and cascade means. The developed image is subjected to the vapour of solvent 65 to produce tackiness which immediately dries when transferred to copy paper which is fed to rubber-covered pressure roller 71. After receiving an image on one side, the copy paper falls out at the top of roller 71 and is re-introduced at the bottom in an inverted position. Puffer 95 separates the leading edge of the paper from drum 11. A web 107 of soft absorbent paper cleans the drum and may be pre-treated with silicone oil to replenish the drum surface. A moist cellulose sponge 115 and a fluorescent lamp 69 remove the remaining charge. The sequence of operations can be controlled manually or by cams on shaft 29 (Fig. 2, not shown). In other forms, the developed image is transferred to a separate non-stick surface on a drum contiguous with the drum 11 (Figs. 1, 5 and 7, not shown) under the influence of an electric field. Alternate images can be made tacky on this drum, while the remaining images are transferred to a further drum to be made tacky thereon.
GB5124564A 1963-12-30 1964-12-16 Duplex xerographic reproduction Expired GB1064800A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33424963A 1963-12-30 1963-12-30
US33553664A 1964-01-03 1964-01-03

Publications (1)

Publication Number Publication Date
GB1064800A true GB1064800A (en) 1967-04-12

Family

ID=26989113

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5124564A Expired GB1064800A (en) 1963-12-30 1964-12-16 Duplex xerographic reproduction

Country Status (4)

Country Link
CH (1) CH418829A (en)
DE (1) DE1497090B2 (en)
FR (1) FR1421767A (en)
GB (1) GB1064800A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1940284A1 (en) * 1968-08-12 1970-02-19 Rank Xerox Ltd Reproduction machine

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5113022B1 (en) * 1968-08-12 1976-04-24
US4098551A (en) * 1975-02-13 1978-07-04 Canon Kabushiki Kaisha Both side copying machine
CA1083655A (en) * 1976-06-01 1980-08-12 Gary B. Gustafson Apparatus for producing collated copies from two sided originals
JPS60110482A (en) * 1983-11-22 1985-06-15 Toshiba Corp Image forming apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1940284A1 (en) * 1968-08-12 1970-02-19 Rank Xerox Ltd Reproduction machine

Also Published As

Publication number Publication date
DE1497090B2 (en) 1975-07-17
FR1421767A (en) 1965-12-17
DE1497090A1 (en) 1969-04-30
CH418829A (en) 1966-08-15

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