US3198112A - Multicolor sheet fed rotary printing machine - Google Patents
Multicolor sheet fed rotary printing machine Download PDFInfo
- Publication number
- US3198112A US3198112A US308793A US30879363A US3198112A US 3198112 A US3198112 A US 3198112A US 308793 A US308793 A US 308793A US 30879363 A US30879363 A US 30879363A US 3198112 A US3198112 A US 3198112A
- Authority
- US
- United States
- Prior art keywords
- cylinder
- sheet
- printing
- impression cylinder
- segment
- 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F5/00—Rotary letterpress machines
- B41F5/02—Rotary letterpress machines for printing on sheets
Definitions
- MULTICOLOR SHEET FED ROTARY PRINTING MACHINE Filed Sept. 15, 1963 2 Sheets-Sheet 2 Mum/roe Franz (00$ 3 Ea/1,5 'Rofldz Qttomes United States Patent 3,198,112 MULTICOLOR SHEET FED ROTARY PRINTING MACHINE Franz Moos, Heidelberg, Germany, assignor to Schnellpressenfabrik Frankenthal Albert & Cie. Aktiengesellschaft, Frankenthal, Ptalz, Germany Filed Sept. 13, 1963, Ser. No. 308,793 priority, application Germany, Sept. 15, 1962,
- the present invention relates to rotary printing machines and more particularly to rotary machines for the printing on one side of sheets in multi-colour or other printing.
- each form cylinder has its own impression cylinder or several form cylinders print on the same peripheral part of an impression cylinder common to both.
- the printer With the first mentioned type of machine the printer, as has hitherto been normal and required, can make ready from a position below the form and from the winding cylinder of the machine. This requirement is still demanded by the trade or technical world in connection with high grade printing.
- the other type of machine which is of simpler construction since it operates with three cylinders only, instead of with four, making ready can be effected frombelow. Form settings from above would result in superposition, since all the form cylinders print at the same peripheral part of the common impression cylinder.
- the two types of machine differ in respect of the quality of print very considerably from each other, and with high grade printing, form-setting from above also is a necessity.
- the object of the present invention is to eliminate disadvantages involved in the al- Claims ready known proposals and to render it possible to use cylinder common to both, in such manner that each printing form always executes one printing operation on one only of the printing segments of the common impression cylinder and that such printing segments are treated alternately.
- each of the two forms of the single impression cylinder is at the same distance from the centre of the form cylinder.
- known measures are provided to allow the ink-applying rollers to rise by a small amount from the form when passing over the form which they are not associated.
- Measures for raising the ink applying rollers from the printing form associated therewith are known in another connection. There is therefore no difficulty in making use of the constructional means provided therein for this purpose.
- control mechanism can also be constructed so that the ink applying rollers of both colour systems, which are then working with ink of the same colour always remain in the inking position, whereby the inking of the form which is preferably on the second segment of the form cylinder, is inked by all the ink applying rollers.
- the inking rollers remain constantly in the inking position, whereby each of both forms, the picture form and the text form, may be inked with say 8 ink applying rollers.
- the invention also proposes to guide the sheet so that, when it is printed with the first colour, it is removed from the impression cylinder and is transferred to the next segment of the impression cylinder for the application of the second colour.
- a drum is preferably used which is fitted with a suitable gripper system and has a diameter which amounts to only half the diameter of the impression cylinder.
- the sheet to be printed in two colours can be delivered to the impression and to the final delivery apparatus in various ways with the use of known devices.
- FIGURE 1 illustrates the machine with its parts in the positons of reception of a sheet to be printed by the impression cylinder, with some of the ink-applying rollers being already raised.
- FIGURE 2 shows the machine with its parts in those positions wherein all the inking rollers are raised
- FIGURE 3 shows the machine in a position in which the ink applying rollers are all in their inking position.
- the machine operates as follows:
- the sheets 1 to be printed are delivered individually or in staggered relationship across a feed table 2 to the feeding device 3 and are correctly aligned by known devices before the grippers 4 of the feed device 3 close.
- the grippers 4 then pass the sheets to grippers 5 of the impression cylinder 6.
- the grippers 5 of the impression cylinder then contact with grippers 12 of the transfer drum or cylinder 13 having a diameter equal to one half of the diameter of the impression cylinder 6, in such manner that the grippers 12 receive the sheet, make a rotation therewith about the axis of the drum 13 and then pass the sheet to the grippers 14 of the impression cylinder 6.
- the impression cylinder is further rotated, its segment 15 coincides with form 16 of the form cylinder 9 and produces the second print on the sheet.
- the sheet is then received by the grippers 10 of the delivery drum 11 and transferred to delivery mechanism 17.
- the drum 11, which in the example illustrated has a diameter ratio of 1:2 to the impression cylinder may, if desired, be so constructed as to have a ratio 1:1 with said cylinder. Again, the drum 11 may be completely dispensed with and the sheet passed directly to the delivery mechanism 17 after receiving the second print.
- inking or applicator rollers 18 to 21 are associated with the form 8 and the applicator rollers 22 to 25 with the form 16 of the form cylinder 9.
- a rotary printing machine for the multi-colored relief or other printing of sheets comprising in combination:
- V r (3) feeding means to position a sheet to be printed (5) delivery means fitted with sheet gripping means andcooperating with said impression cylinder, to permanently withdraw said sheet from said impression cylinder,
- said feeding means,'said form cylinder, said delivery meansand said transfer means being arranged in theorder named-and in the direction of rotation of and aroundthe periphery .of said impression, cylinder andarranged relatively to each other to cooperatively 'elfect, during two consecutive rotations of said cylinders, the operations of feeding and printing of a sheet by said first form segment, transferring the printed sheet from the first to the second printing segment of said impression cylinder, printing the transferred sheet by the second form segment of said form cylinder, and finally withdrawing the sheet by said delivery means.
- said transfer means being comprised of a transfer cylinder having adiameter equalto one half of the diameter of said' impression cylinder.
- said form cylinder having a diameter equal to the diameter of said impression cylinder.
- said delivery means being comprised of a cylinder engaging said impression cylinder and fitted with said sheet gripping and transfer means.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH32038A DE1213427B (de) | 1962-09-15 | 1962-09-15 | Bogen-Rotationsdruckmaschine zum einseitigen Zweifarbendruck, insbesondere Hochdruck |
Publications (1)
Publication Number | Publication Date |
---|---|
US3198112A true US3198112A (en) | 1965-08-03 |
Family
ID=7432303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US308793A Expired - Lifetime US3198112A (en) | 1962-09-15 | 1963-09-13 | Multicolor sheet fed rotary printing machine |
Country Status (3)
Country | Link |
---|---|
US (1) | US3198112A (de) |
DE (1) | DE1213427B (de) |
GB (1) | GB1037809A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5660108A (en) * | 1996-04-26 | 1997-08-26 | Presstek, Inc. | Modular digital printing press with linking perfecting assembly |
CN106032087A (zh) * | 2015-03-17 | 2016-10-19 | 樊官保 | 柔性版接线印刷机及其印刷方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1299299B (de) * | 1967-09-04 | 1969-07-17 | Albert Schnellpressen | Bogenueberfuehrungseinrichtung fuer Bogen-Hochdruckrotationsmaschinen |
US4204472A (en) * | 1977-08-22 | 1980-05-27 | A. B. Dick Company | Duplexing copying system |
US4186662A (en) * | 1977-08-22 | 1980-02-05 | A. B. Dick Company | Duplexing copying system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US647151A (en) * | 1899-05-17 | 1900-04-10 | Robert Hoe | Multicolor stop-cylider printing-machine. |
US1289860A (en) * | 1916-06-12 | 1918-12-31 | Lyman Middleditch | Convertible printing-press. |
FR968892A (fr) * | 1948-07-07 | 1950-12-08 | Machine pour l'impression en chalcographie et typographie |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE127019C (de) * | ||||
DE183910C (de) * | ||||
CH279923A (de) * | 1949-06-09 | 1951-12-31 | Horn Josef | Rotations-Offsetdruckmaschine für Bogen. |
DE841292C (de) * | 1949-07-15 | 1952-06-13 | Koenig & Bauer Ag | Bogenhochdruckmaschine fuer Schoen- und Widerdruck |
-
1962
- 1962-09-15 DE DESCH32038A patent/DE1213427B/de active Pending
-
1963
- 1963-09-12 GB GB35919/63A patent/GB1037809A/en not_active Expired
- 1963-09-13 US US308793A patent/US3198112A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US647151A (en) * | 1899-05-17 | 1900-04-10 | Robert Hoe | Multicolor stop-cylider printing-machine. |
US1289860A (en) * | 1916-06-12 | 1918-12-31 | Lyman Middleditch | Convertible printing-press. |
FR968892A (fr) * | 1948-07-07 | 1950-12-08 | Machine pour l'impression en chalcographie et typographie |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5660108A (en) * | 1996-04-26 | 1997-08-26 | Presstek, Inc. | Modular digital printing press with linking perfecting assembly |
CN106032087A (zh) * | 2015-03-17 | 2016-10-19 | 樊官保 | 柔性版接线印刷机及其印刷方法 |
Also Published As
Publication number | Publication date |
---|---|
DE1213427B (de) | 1966-03-31 |
GB1037809A (en) | 1966-08-03 |
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