JPS54143155A - Copying method - Google Patents

Copying method

Info

Publication number
JPS54143155A
JPS54143155A JP9669578A JP9669578A JPS54143155A JP S54143155 A JPS54143155 A JP S54143155A JP 9669578 A JP9669578 A JP 9669578A JP 9669578 A JP9669578 A JP 9669578A JP S54143155 A JPS54143155 A JP S54143155A
Authority
JP
Japan
Prior art keywords
heat
paper
sensitive
layer
papers
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.)
Pending
Application number
JP9669578A
Other languages
Japanese (ja)
Inventor
Akinori Watanabe
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.)
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co 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 Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9669578A priority Critical patent/JPS54143155A/en
Publication of JPS54143155A publication Critical patent/JPS54143155A/en
Pending 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
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/34—Multicolour thermography
    • B41M5/345—Multicolour thermography by thermal transfer of dyes or pigments

Abstract

PURPOSE:To copy first and second heat-sensitive papers by reacting the substances of the first and second heat-sensitive papers by the heat which is conducted from an exothermic element such a thermal head. CONSTITUTION:An exothermic element 2, which is arranged in a desired pattern on a thermal head 1, is in contact with a first heat-sensitive paper 3. The first paper 3 is composed of an original paper 4, to which a heat-sensitive color developing agent is applied, and a layer 5 having its back, to which a heat-sensitive chemically reactive substance is applied, and is in contact with a second heat- sensitive paper 6 having its original paper 7, to which a substance such as an adsorbent is applied. When the exothermic element 2 is heated, the resultant heat is conducted to the layer 5 on the back of the first paper 3 so that the substance layer dissolved in a pattern displayed in adsorbed by the layer 8 of the second paper 6 to effect the chemical reaction thereby to develop the color. As a result, if the first and second papers 3 and 6 are separated, they are printed so that copies can be easily obtained.
JP9669578A 1978-08-10 1978-08-10 Copying method Pending JPS54143155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9669578A JPS54143155A (en) 1978-08-10 1978-08-10 Copying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9669578A JPS54143155A (en) 1978-08-10 1978-08-10 Copying method

Publications (1)

Publication Number Publication Date
JPS54143155A true JPS54143155A (en) 1979-11-08

Family

ID=14171898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9669578A Pending JPS54143155A (en) 1978-08-10 1978-08-10 Copying method

Country Status (1)

Country Link
JP (1) JPS54143155A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5712693A (en) * 1980-06-27 1982-01-22 Mitsubishi Paper Mills Ltd Thermo-sensitive recording body for simultaneous copying
JPS5712694A (en) * 1980-06-27 1982-01-22 Mitsubishi Paper Mills Ltd Thermo-sensitive transcribing and recording method for simultaneous copying
US4328977A (en) * 1979-08-31 1982-05-11 Nippon Telegraph & Telephone Public Corp. Recording paper capable of recording images in two colors
JPS6295291A (en) * 1985-10-23 1987-05-01 Seikosha Co Ltd Printing method using thermal head

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935041A (en) * 1972-08-01 1974-04-01
JPS4973144A (en) * 1972-11-13 1974-07-15
JPS49133041A (en) * 1973-03-26 1974-12-20

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935041A (en) * 1972-08-01 1974-04-01
JPS4973144A (en) * 1972-11-13 1974-07-15
JPS49133041A (en) * 1973-03-26 1974-12-20

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328977A (en) * 1979-08-31 1982-05-11 Nippon Telegraph & Telephone Public Corp. Recording paper capable of recording images in two colors
JPS5712693A (en) * 1980-06-27 1982-01-22 Mitsubishi Paper Mills Ltd Thermo-sensitive recording body for simultaneous copying
JPS5712694A (en) * 1980-06-27 1982-01-22 Mitsubishi Paper Mills Ltd Thermo-sensitive transcribing and recording method for simultaneous copying
JPS6295291A (en) * 1985-10-23 1987-05-01 Seikosha Co Ltd Printing method using thermal head

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