GB170195A - Improvements in rotary lithographic printing machines for direct or offset printing - Google Patents

Improvements in rotary lithographic printing machines for direct or offset printing

Info

Publication number
GB170195A
GB170195A GB2847720A GB2847720A GB170195A GB 170195 A GB170195 A GB 170195A GB 2847720 A GB2847720 A GB 2847720A GB 2847720 A GB2847720 A GB 2847720A GB 170195 A GB170195 A GB 170195A
Authority
GB
United Kingdom
Prior art keywords
offset
printing
cylinder
mechanisms
plate
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
GB2847720A
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.)
Linotype and Machinery Ltd
Original Assignee
Linotype and Machinery 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 Linotype and Machinery Ltd filed Critical Linotype and Machinery Ltd
Priority to GB2847720A priority Critical patent/GB170195A/en
Publication of GB170195A publication Critical patent/GB170195A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F11/00Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Abstract

170,195. Linotype & Machinery, Ltd., and Stern, C. L. Oct. 7, 1920. Rotary machines; offset machines. - A rotary lithographic printing-machine which can be used for printing (a) single side direct, (b) single side offset, (c) perfector offset, oi (d) two colour offset, is constructed with two printing-cylinders 1, 2, and an impression cylinder 3 of half the diameter of the cylinder 1, 2, the cylinder 1 being fitted with an offset surface 5, and with a plate surface or offset surface 4, and with inking and damping mechanisms 9, 8 for the surface 4 when a printing-plate is employed on 4. The cylinder 2 may have two printing-plates 6, 7 fitted, and is provided with damping-mechanisms 10, 12, and inking-mechanisms 11, 13 for printing different colours, the damping-mechanisms being arranged adjacent to each other as shown or, if desired, the damping-mechanism 12 may be between the inking-mechanisms 11, 13, or only one damping-mechanism may be employed. For printing in the manner (a) referred to above, a. printing-plate 4 is fitted to the cylinder 1 and sheets are fed to cylinder 3 at every alternate revolution, the mechanisms not required being rendered in-operative in known manner. For manner (b), an offset impression from plate 7 is transferred to the offset surface 5 which prints a sheet carried by cylinder 3. For manner (c), a printing-plate is fitted to the surface 4 and prints on an offset surface on cylinder 3, which then prints on the underside of a sheet while the surface 5 prints an offset impression from the plate 7 on the outside of the sheet. For manner (d), the grippers on the cylinder 3 are arranged to carry the sheet for two revolutions, at each of which an offset impression from the plates 6, 7 is printed by the offset surfaces 4 5.
GB2847720A 1920-10-07 1920-10-07 Improvements in rotary lithographic printing machines for direct or offset printing Expired GB170195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2847720A GB170195A (en) 1920-10-07 1920-10-07 Improvements in rotary lithographic printing machines for direct or offset printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2847720A GB170195A (en) 1920-10-07 1920-10-07 Improvements in rotary lithographic printing machines for direct or offset printing

Publications (1)

Publication Number Publication Date
GB170195A true GB170195A (en) 1921-10-20

Family

ID=10276243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2847720A Expired GB170195A (en) 1920-10-07 1920-10-07 Improvements in rotary lithographic printing machines for direct or offset printing

Country Status (1)

Country Link
GB (1) GB170195A (en)

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