GB1157469A - Improvements in or relating to Printing Machines. - Google Patents

Improvements in or relating to Printing Machines.

Info

Publication number
GB1157469A
GB1157469A GB4639966A GB4639966A GB1157469A GB 1157469 A GB1157469 A GB 1157469A GB 4639966 A GB4639966 A GB 4639966A GB 4639966 A GB4639966 A GB 4639966A GB 1157469 A GB1157469 A GB 1157469A
Authority
GB
United Kingdom
Prior art keywords
cylinder
offset
unit
cylinders
plate cylinder
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
GB4639966A
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.)
MAN AG
Original Assignee
MAN Maschinenfabrik Augsburg Nuernberg AG
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 MAN Maschinenfabrik Augsburg Nuernberg AG filed Critical MAN Maschinenfabrik Augsburg Nuernberg AG
Publication of GB1157469A publication Critical patent/GB1157469A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/12—Rotary lithographic machines for offset printing using two cylinders one of which serves two functions, e.g. as a transfer and impression cylinder in perfecting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/28—Bearings mounted eccentrically of the cylinder axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)

Abstract

1,157,469. Perfecting press; cylinder tripping. MASCHINENFABRIK AUGSBURG-NœRNBERG A.G. 17 Oct., 1966 [24 Nov., 1965], No. 46399/66. Heading B6C. A four-cylinder sheet-fed offset perfecting press incorporates a device for starting and stopping printing wherein, under the control of a single control element, the offset cylinder of one unit and the plate cylinder of the second unit are applied and withdrawn in a particular order, i.e. for starting printing the offset cylinder of the first unit is applied against its plate cylinder, and simultaneously the plate cylinder of the second unit is applied against its offset cylinder, and then the two offset cylinders come together, and for stopping printing, as a result of faulty feed or the end of the printing run, the reverse sequence is observed. Fig. 1 illustrates a press in which the first unit is formed of plate cylinder 1 and offset cylinder 3, and the perfecting unit is formed of plate cylinder 2 and offset cylinder 4; cylinders 3 and 2 are mounted in eccentric bushings 11, 15 so that contact with associated cylinders can be tripped. Eccentric cams 7, 8 mounted to rotate on the shaft of fixed-position offset cylinder 4 co-operate with roller levers 5<SP>1</SP>, 5<SP>11</SP>, when tripping or starting of impression is required, i.e. by a suitable small rotation of eccentric bushings 11, 15, pawls 18 and 19 are electromagnetically engaged with noses 16, 17 carried on levers 5<SP>1</SP>, 5<SP>11</SP>, and the whole control lever 5 is rocked according to the curvature of cams 7, 8. Movement of lever 5 is transmitted by control rod 6 to double-arm lever 9, one arm of which is connected to bushing 11 by rod 10, and the other arm being connected via rod 12, double arm lever 13, and rod 14 to bushing 15. The cams are so curved (Figs. 2, 3, not shown) to produce the required order of application and withdrawal of cylinders. The second double-arm lever 13 enables engagement or disengagement of the two offset cylinders 3, 4 without disturbing plate cylinder 2.
GB4639966A 1965-11-24 1966-10-17 Improvements in or relating to Printing Machines. Expired GB1157469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1965M0067385 DE1239322B (en) 1965-11-24 1965-11-24 Device for printing on or off the cylinders of a four-cylinder straight and reverse sheet offset press

Publications (1)

Publication Number Publication Date
GB1157469A true GB1157469A (en) 1969-07-09

Family

ID=7312178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4639966A Expired GB1157469A (en) 1965-11-24 1966-10-17 Improvements in or relating to Printing Machines.

Country Status (3)

Country Link
DE (1) DE1239322B (en)
FR (1) FR1501499A (en)
GB (1) GB1157469A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458590A (en) * 1982-09-30 1984-07-10 Harris Graphics Corporation Printing press with plate cylinder skew and throw off

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1306726A (en) * 1919-06-17 smith
DE419149C (en) * 1924-05-03 1925-10-03 Vogtlaendische Maschinenfabrik Drive for rotary rubber printing machines
DE616324C (en) * 1933-06-18 1935-07-25 Vomag Betr S A G Device for turning the cylinders on and off on a four-cylinder rotary rubber printing machine

Also Published As

Publication number Publication date
FR1501499A (en) 1967-11-10
DE1239322B (en) 1967-04-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee