AU572293B2 - Image reproduction by in plane electro-coagulation of a colloid - Google Patents

Image reproduction by in plane electro-coagulation of a colloid

Info

Publication number
AU572293B2
AU572293B2 AU42466/85A AU4246685A AU572293B2 AU 572293 B2 AU572293 B2 AU 572293B2 AU 42466/85 A AU42466/85 A AU 42466/85A AU 4246685 A AU4246685 A AU 4246685A AU 572293 B2 AU572293 B2 AU 572293B2
Authority
AU
Australia
Prior art keywords
colloid
electrode active
negative
positive
coagulation
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.)
Ceased
Application number
AU42466/85A
Other versions
AU4246685A (en
Inventor
Adrien Castegnier
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.)
Elcorsy Inc
Original Assignee
Elcorsy Inc
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 Elcorsy Inc filed Critical Elcorsy Inc
Publication of AU4246685A publication Critical patent/AU4246685A/en
Application granted granted Critical
Publication of AU572293B2 publication Critical patent/AU572293B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/105—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by electrocoagulation, by electro-adhesion or by electro-releasing of material, e.g. a liquid from a gel

Abstract

A method and system for high speed image reproduction by electro-coagulation of an electrolytically coagulable colloid. A plurality of negative and positive electrolytically inert electrodes (12, 14) which are electrically insulated from one another are arranged to define a matrix of dot-forming elements (16), the negative and positive electrodes of each matrix element having respective planar active surfaces with the negative electrode active surface extending in the same plane as the positive electrode active surface and in close proximity thereto. A layer of substantially liquid colloidal dispersion is applied over the electrode active surfaces of the matrix elements (16), the colloidal dispersion containing an electrolytically coagulable colloid, a liquid dispersing medium and a soluble electrolyte, and having a substantially uniform temperature throughout the layer. The negative and positive electrodes (12, 14) of selected ones of the matrix elements (16) are electrically energized to cause selective coagulation and adherence of the colloid onto the positive electrode active surfaces of the selected matrix elements and to thereby form a series of corresponding dots representative of a desired image, and any remaining non-coagulated colloid is thereafter removed.
AU42466/85A 1984-05-16 1985-05-14 Image reproduction by in plane electro-coagulation of a colloid Ceased AU572293B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA454450 1984-05-16
CA000454450A CA1205778A (en) 1984-05-16 1984-05-16 Image reproduction by in plane electro-coagulation of a colloid

Publications (2)

Publication Number Publication Date
AU4246685A AU4246685A (en) 1985-11-21
AU572293B2 true AU572293B2 (en) 1988-05-05

Family

ID=4127877

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42466/85A Ceased AU572293B2 (en) 1984-05-16 1985-05-14 Image reproduction by in plane electro-coagulation of a colloid

Country Status (8)

Country Link
EP (1) EP0161633B1 (en)
JP (1) JPS60259489A (en)
KR (1) KR850008649A (en)
AT (1) ATE46659T1 (en)
AU (1) AU572293B2 (en)
CA (1) CA1205778A (en)
DE (1) DE3573234D1 (en)
ZA (1) ZA853470B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1279603C (en) * 1986-02-20 1991-01-29 Adrien Castegnier Monochromic and polychromic printing of an image reproduced by electro-coagulation of a colloid
CA1249238A (en) * 1986-07-18 1989-01-24 Adrien Castegnier Method of preventing undesirable gas generation between electrodes of an electrocoagulation printing system
JPH0641221B2 (en) * 1988-01-25 1994-06-01 キヤノン株式会社 Image forming method, recording material and image forming apparatus
US5055380A (en) * 1989-12-18 1991-10-08 Eastman Kodak Company Method of forming a color-differentiated image utilizing a metastable aggregated group ib metal colloid material
CA2178679C (en) * 1996-06-10 1999-08-31 Adrien Castegnier Electrocoagulation printing apparatus
EP0931666B1 (en) * 1996-12-30 2001-07-25 Toyo Ink Manufacturing Co., Ltd. Electric coagulation printing method and apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892645A (en) * 1973-06-06 1975-07-01 Adrien Castegnier Printing method and system by gelatin coagulation
AU4205985A (en) * 1984-05-11 1985-11-14 Adrien Castegnier Printing method by electrolytic colloid coagulation and colloid composition therefor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869965A (en) * 1954-12-30 1959-01-20 Ibm Electro-sensitive digital data plotter
US3752746A (en) * 1972-02-25 1973-08-14 A Castegnier Electrolytic printing method and system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892645A (en) * 1973-06-06 1975-07-01 Adrien Castegnier Printing method and system by gelatin coagulation
AU4205985A (en) * 1984-05-11 1985-11-14 Adrien Castegnier Printing method by electrolytic colloid coagulation and colloid composition therefor

Also Published As

Publication number Publication date
EP0161633A2 (en) 1985-11-21
CA1205778A (en) 1986-06-10
KR850008649A (en) 1985-12-21
JPS60259489A (en) 1985-12-21
DE3573234D1 (en) 1989-11-02
AU4246685A (en) 1985-11-21
ZA853470B (en) 1985-12-24
JPH0473386B2 (en) 1992-11-20
ATE46659T1 (en) 1989-10-15
EP0161633B1 (en) 1989-09-27
EP0161633A3 (en) 1987-08-05

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