GB1047422A - - Google Patents

Info

Publication number
GB1047422A
GB1047422A GB1047422DA GB1047422A GB 1047422 A GB1047422 A GB 1047422A GB 1047422D A GB1047422D A GB 1047422DA GB 1047422 A GB1047422 A GB 1047422A
Authority
GB
United Kingdom
Prior art keywords
carrier sheet
layer
acceptor
donor
donor layer
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.)
Active
Application number
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.)
Publication of GB1047422A publication Critical patent/GB1047422A/en
Active 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
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0253—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography
    • 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
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Paper (AREA)

Abstract

1,047,422. Printing processes. LOGOS HOLDING S.A. May 8, 1963 [May 8, 1962], No. 18151/63. Heading B6C. [Also in Divisions C3, C5 and D2] Means for producing a printing plate comprise a cohesive acceptor layer coated on one side of a first carrier sheet and a donor layer coated on one side of a second carrier sheet. The adhesion of the acceptor layer to its carrier sheet and to the donor layer is greater than that of the donor layer to its carrier sheet, and the donor layer comprises a substance which will react with a second substance, suitable for impregnation of copy paper, to give a coloured compound. A plate may be made by bringing into contact the acceptor and donor layers, and writing or otherwise marking the uncoated side of the first carrier sheet, so that portions of the donor layer corresponding with the markings separate from their carrier sheet and become attached to the acceptor layer. Printing from the plate may be effected by contacting the acceptor layer of the plate and a copy sheet impregnated with the second colour-reactive substance, so as to produce a coloured compound on the copy sheet corresponding with the transferred portions of the donor layer. Suitable pairs of colour-reactive materials are: gallic acid and ferric chloride or copper sulphate and sodium thiocyanate.
GB1047422D 1962-05-08 Active GB1047422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH557262A CH415696A (en) 1962-05-08 1962-05-08 A method of making a duplicating template and use of the same for making copies

Publications (1)

Publication Number Publication Date
GB1047422A true GB1047422A (en)

Family

ID=4295816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1047422D Active GB1047422A (en) 1962-05-08

Country Status (3)

Country Link
CH (1) CH415696A (en)
DE (1) DE1471676A1 (en)
GB (1) GB1047422A (en)

Also Published As

Publication number Publication date
CH415696A (en) 1966-06-30
DE1471676A1 (en) 1969-06-04

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