US3303779A - Rotary intaglio perfecting press - Google Patents

Rotary intaglio perfecting press Download PDF

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Publication number
US3303779A
US3303779A US412352A US41235264A US3303779A US 3303779 A US3303779 A US 3303779A US 412352 A US412352 A US 412352A US 41235264 A US41235264 A US 41235264A US 3303779 A US3303779 A US 3303779A
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Prior art keywords
cylinders
cylinder
printing
paper
engraved
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Expired - Lifetime
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US412352A
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English (en)
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Giori Gualtiero
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/002—Sheet printing presses
    • 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
    • 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
    • B41F13/10—Forme cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses

Definitions

  • the paper or the like suitable material to be printed is conventionally urged in the form of webs or sheets through the agency of a so-called pressure cylinder provided with an outer elastic surface against the corresponding rigid inked printing plate or engraved cylinder, while the ink carried in the grooves of the printing plate or of the engraved cylinder, is removed and transferred onto the material to be printed.
  • the required value of the compression is selected in accordance with the depth of the engraved grooves and consequently with the amount of ink to be transferred out of said grooves and this, in its turn, defines the fineness of the printed picture.
  • the intaglio printing procedure allows executing very intricate pictures and letter press in one or more colours, which pictures and letter press may be accurately reproduced in the successive prints. Since however this procedure forms the most expensive, the most difiicult and also the slowest of all known printing methods, it is used generally only for the execution of prints of a very high grade, preferably of securities and banknotes, which must satisfy very strict requirements, principally as a guarantee against forgery.
  • the paper used for securities and banknotes must be very resistant and firm and therefore has a comparatively hard upper surface, it is necessary to urge the paper under a high pressure during its printing against the printing plate or the engraved cylinder so that a perfect transfer of ink out of the engraved grooves may be obtained. For this reason, it is necessary for the pressure cylinder rolling over the printing plate or the engraved cylinder to be urged under an adjustable pressure against said printing plate or engraved cylinder.
  • Said pressure cylinder is provided on its outer cylindrical surface, as already proposed, with a yielding material such as cardboard, rubberized canvas, cork, felt or any other suitable material, which is urged with a more or less intense elastic deformation against the paper running between the pressure cylinder and the printing plate or engraved cylinder.
  • the pressure cylinders used hitherto exclusively for obtaining the necessary printing pressure leads to the necessity of printing at a time only one side of the paper during its passage through the printing press. If, as in the case of securities and banknotes, it is necessary to print both sides of the sheet or web of paper, the second printing has to be executed, after the drying of the ink on the first printed side and the necessary turning round of the paper, during a second passage of the paper through the press. This increases the time required for the execution of a carrier material printed on both sides through intaglio printing and therefore the actual procedure becomes still more expensive when applied to both sides of the paper.
  • Our present invention has now for its object to remove this drawback of the intaglio printing procedures as known hitherto and it covers a method which allows printing simultaneously both sides of a sheet or web of paper of any suitable material, whether in one or in more colours.
  • the method according to my invention consists in the use of two cylinders having parallel axes and facing each other, said cylinders being provided each with at least one sector carrying a printing plate or with an engraved sheath and being urged against each other under an adjustable pressure, while the material to be printed is fed between the cylinders for the simultaneous impression of both its sides in a compressed condition.
  • this elasticity is sufiicient for the obtention, during the printing procedure, of the required elastic pressure, between the outer surface of the paper and the rigid printing plate or rigid cylinder sheath, whereas such a pressure was hitherto considered only obtainable in the printing of one side by means of a pressure cylinder having an elastic outer surface.
  • This elasticity may be obtained for instance by providing the printing plate or engraved sheath on one at least of the two cylinders with elastic means with reference to the cylinder axis.
  • cylinder-carrying spindles which is in any case adapted to move perpendicularly to the longitudinal axis of the spindle so as to adjust the pressure applied and must therefore be subjected to a corresponding pressure, under the action of an elastic stress whereby the cylinder considered and its spindle are elastically fitted with reference to the other cylinder.
  • FIG. 1 is a diagrammatic view from above showing the terminal surfaces of two cylinders carrying the printing plates, all other well known arrangements providing for intaglio printing being removed,
  • FIG. 2 is a diagrammatic cross-section through two cylinders provided each with an engraved sheath
  • FIG. 3 is a diagrammatic view of a rotary press adapted to print with a single colour both sides of the sheets in association with wiping cylinders,
  • FIG. 4 is a diagrammatic view of a press similar to that illustrated in FIG. 3, incorporating conventional endless wiping webs for wiping the ink off the outer surface of the printing plates or of the engraved sheath.
  • the two cylinders 1 and 2 the axes of which are parallel face each other and are adapted to revolve round their axes, respectively shown at 7 and 8.
  • Each of the cylinders 1 and 2 is subdivided into four peripheral sectors carrying the printing plates, respectively 3 and 4.
  • the two cylinders rotate at the same peripheral speed in the direction of the arrows, that is in opposite directions, so that the peripheral surfaces of the cylinders move in their contacting area in the same direction.
  • the material generally paper, to be printed on both sides and which is not illustrated, is introduced as a sheet or a web.
  • the two cylinders are urged against each other with an adjustable pressure, by means known per se as shown on FIGURE 3, such means can for example consist of cylinder 121 to whose piston 122 is mounted the spindle of one of the rotating cylinders.
  • Such a cylinder can be hydraulic and can have fluid inlet and outlet 123, 124.
  • this necessary elasticity is obtained in the example illustrated in FIG. 1 by laying, according to the invention, the printing plates 3 and 4 on a layer of elastic material 5 and/or 6.
  • This carrier layer which may be given for instance a thickness ranging between 1 and 5 mm., according to the pressure required, is constituted for instance by felt, cork, rubber or cardboard; such a layer allows laying the rigid printing plates in a suitable elastic manner on the cylinder.
  • only one of the two cylinders 1 and 2 is provided with an elastic layer and obviously, in this case also, the pressure is distributed equally over both sides of the paper.
  • the leading edges 3a and 4a of the printing plates on both cylinders are correspondingly bevelled.
  • This inwardly directed slope which slope may advantageously be incurved and merge gradually into the periphery of the plate provided with engraved grooves, there is obtained a smooth application of the pressure upon engagement between the cooperating printing plates and the paper to be printed.
  • a similar arrangement may also be incorporated with the trailing edges 3a and 4b of the printing plates so that a sudden outing out of the pressure exerted on the output ends of the printing plates may be avoided.
  • FIG. 2 illustrates diagrammatically two cylinders and 11 adapted to rotate round the corresponding axes 12 and 13.
  • the rigid cylindrical shell is suspended radially round the cylinder-carrying spindle through radially acting springs 16 and 17. This leads to the possibility of shifting radially and outwardly the cylindrical shell of either cylinder as a unit with reference to its spindle 12 or 13, to an extent depending on the elasticity of the spring, in a direction facing away from the cooperating cylinder.
  • the spacing 11 between the cylinder shell in the contacting area with the other cylinder and the cylinder spindle is always slightly shorter than the distance 12 between the diametrically opposed peripheral area of the same cylinder shell and the cooperating cylinder spindle.
  • the spacing between the spindles "12 and 13 of the two cylinders is thus somewhat smaller than the sum of the radii of the cylinders considered in their free condition. Consequently, whatever may be the position of a cylinder, the springs 16 or 17 operating radially on the cylinder shell in a direction facing the other cylinder are subjected to compression, while the springs facing away from said other cylinder are subjected to a corresponding expansion.
  • FIG. 3 illustrates diagrammatically a rotary printing press designed in accordance with the invention so as to allow the simultaneous printing on both sides of a sheet of paper with a single colour intaglio impression.
  • the cylinders 1 and 2 are constituted in this case by platecarryiru cylinders provided with four sector-shaped engraved printing plates 3 and 4 in a manner similar to those illustrated in FIG. 1, with the interposition, if required, of an elastic layer which is not illustrated.
  • the paper to be printed on both sides is fed over the feeding table 22 and is taken hold of by the oscillating gripping member 23 so as to be laid over the lower plate-carrying cylinder 3 and to be guided between the latter and the upper plate-carrying cylinder 2.
  • the printing plates 3 and 4 on the two cylinders are subjected in a conventional manner to the well-known wiping operation after they have been inked by the inking means 27.
  • the wiping system cooperating in the case illustrated with the wiping cylinders 28 and 29 is designed so that unengraved upper surface areas of the plates are perfectly freed of any superfluous ink, while the ink is still more energetically urged into the engraved grooves so as to cut out any undesired splashing effect upon engagement of paper sections inside said engraved grooves.
  • the preliminary wiping system 23 is advantageously provided with an ink-recovering system which allows recovering the valuable printing ink.
  • the sheets printed on both sides are fed off the periphery of the lower plate-carrying cylinder 1 over the outlet chain system gripping the paper sheets and leading them onto the output table 2-5.
  • FIG. 4 The arrangement illustrated diagrammatically in FIG. 4 for the execution of our improved printing procedure incorporates again two cylinders 39 and 31 which may be constituted by plate-carrying cylinders provided with sector-shaped printing plates as already illustrated in the case of FIG. 3, or else, it is possible to resort to cylinders carrying an engraved sheath.
  • the web or sheet of paper to be printed reaches as precedingly, over an inlet table 32 and an oscillating gripping system 33, the periphery of the lower cylinder 39 and it is then urged under a suit-able compression into the gap between the two cylinders so that the simultaneous printing of both sides may be executed, the paper being finally conveyed by an output chain system 34 adapted to take hold of the paper so as to feed it onto an output table which is not illustrated.
  • the wiping is executed in the case of FIG. 4 by the usual endless web of paper, fabric or the like suitable wiping material.
  • These endless wiping webs are wound off feed rollers, over wiping bars 36a, 36b and 360 which urge them against the outer plate surface to be cleaned, after which said webs are wound on take-up rollers.
  • These feed and take up rollers are designated generally by the reference number 36.
  • the inking of the printing plates or of the engraved sheaths on the cylinders is again provided by inking systems 35.
  • the invention provides for at least one cylinder spindle, which is shiftable perpendicularly to its longitudinal direction, so as to allow adjustment of the pressure exerted on it and must be subjected to the necessary pressure, to be stressed by an elastic force so that the unit including the cylinder and its spindle may be urged elastically against the other cylinder.
  • the method according to the invention allows for the first time the simultaneous one-colour or multi-colour intaglio printing on both sides of the material to be printed, which leads to a cheaper execution of expensive intaglio prints and also to a substantial saving of time in comparison with the double passage of the paper through the printing press as required hitherto.
  • Device for producing sheets and web printed on both sides by single or multi-colour intaglio printing comprising (A) a pair of coacting oppositely rotating cylinders facing each other at their peripheries and each carrying similarly dimensioned rigid I intaglio printing plates,
  • (C) means for guiding the material to be printed between said cylinders at their coacting area to thus simultaneously print both sides of said material
  • each of said rigid plates being sector-shaped and having bevelled leading and trailing edges
  • said plates on said coacting cylinders being oriented so that at least said bevelled leading edges of said cylinders coact to form an inwardly directed slope therebetween so that upon engagement between two oooperating printing plates carried by the two cylinders a gradual rise in pressure is obtained and similarly a gradual release of said pressure is ensured at the end of said engagement between said plates.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Printing Methods (AREA)
US412352A 1964-02-04 1964-11-19 Rotary intaglio perfecting press Expired - Lifetime US3303779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG39768A DE1237139B (de) 1964-02-04 1964-02-04 Stahlstichdruckmaschine zum Herstellen von Ein- oder Mehrfarbendrucken auf Bogen oder Bahnen im Schoen- und Widerdruck

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US3303779A true US3303779A (en) 1967-02-14

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US412352A Expired - Lifetime US3303779A (en) 1964-02-04 1964-11-19 Rotary intaglio perfecting press

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US (1) US3303779A (is")
JP (1) JPS5416246B1 (is")
BE (1) BE652399A (is")
CH (1) CH414686A (is")
DE (1) DE1237139B (is")
FI (1) FI45930C (is")
GB (1) GB1056417A (is")

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395638A (en) * 1965-08-13 1968-08-06 Miehle Goss Dexter Inc Impression cylinder construction to prevent streaking in letterpress
US3453955A (en) * 1965-10-20 1969-07-08 Harris Intertype Corp Shock absorber with movement limiting stop for rotary printing press cylinders
US3453956A (en) * 1965-10-20 1969-07-08 Harris Intertype Corp Shock absorber for rotary printing press cylinders
US3771450A (en) * 1972-06-06 1973-11-13 Dick Co Ab Clean fluid washing system for duplicating machines and the like
US3807301A (en) * 1970-12-30 1974-04-30 Triumph Werke Nuernberg Ag Printing apparatus in data issuing instrumentalities
US4056056A (en) * 1973-03-21 1977-11-01 De La Rue Giori S.A. Rotary printing press
US4756249A (en) * 1986-12-16 1988-07-12 Hardin Philip J Self-adjusting means for rollers
US5000090A (en) * 1979-04-11 1991-03-19 Firma Carl Freudenberg Method for the continuous printing of a planar structure
US20080121128A1 (en) * 2006-11-29 2008-05-29 Nitto Denko Corporation Cushioning sheet, printing apparatus and printing method
US20090266251A1 (en) * 2008-04-28 2009-10-29 Goss International Americas, Inc. Variable cut off printing press having flexible plate and blanket
US20100139511A1 (en) * 2007-05-25 2010-06-10 Kba-Giori S.A. Intaglio Printing Press Systems for Recto-Verso Intaglio-Printing of Sheets for the Production of Banknotes and Like Securities

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD462056S1 (en) 2001-01-26 2002-08-27 Vectorview Limited Electrical connector
EP2774759A1 (en) * 2013-03-07 2014-09-10 KBA-NotaSys SA Forme cylinder of a sheet-fed rotary printing press for the production of banknotes and like securities

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191518055A (en) * 1915-12-28 1916-11-09 Thomas Ruddiman Johnston Improvements in Rotary Intaglio or Photo-gravure Printing Machines.
DE542586C (de) * 1929-06-17 1932-01-26 Heinrich Renck Zylindermaessig gebogener starrer Bildtraeger fuer chemischen Druck zum Anbringen auf Hochdruckrotationsmaschinen
US1970809A (en) * 1932-10-10 1934-08-21 American Bank Note Co Wiping and polishing mechanism for steel plate printing machines
US2085323A (en) * 1936-02-25 1937-06-29 Homer E Leash Marking device
US2234726A (en) * 1937-05-24 1941-03-11 Philip A Frazier Rotary press
US2310788A (en) * 1938-01-18 1943-02-09 Hummelchen Wilhelm Means for inking printing forms
US2333172A (en) * 1938-05-07 1943-11-02 Interchem Corp Intaglio printing machine
US2585617A (en) * 1946-04-05 1952-02-12 Hoe & Co R Intaglio printing machine
US2659305A (en) * 1950-01-23 1953-11-17 Giori Gualtiero Multicolor rotary, intaglio, letterpress, and offset printing press
US2987993A (en) * 1956-08-24 1961-06-13 Giori Gualtiero Ink regulating device for intaglio and similar printing machines
US3030883A (en) * 1960-11-16 1962-04-24 Irvin F Fleischer Engraver's automatic rotary press
US3136672A (en) * 1961-08-28 1964-06-09 Robert G Prongay Printing plate and method of making the same
US3161127A (en) * 1961-01-18 1964-12-15 Alsacienne Constr Meca Cylinder support means for rotary printing machine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE467412C (de) * 1926-10-19 1928-10-24 Maschf Augsburg Nuernberg Ag Rotationstiefdruckmaschine zum beiderseitigen Bedrucken von Bogen
BE361274A (is") * 1928-07-21
BE375898A (is") * 1929-12-26
US2238898A (en) * 1938-06-07 1941-04-22 Greenstein Oscar Intaglio printing machine for manufacturing name markers
CH215959A (de) * 1941-02-26 1941-07-31 Winkler Fallert & Co Maschf Tiefdruckmaschine.
US2598726A (en) * 1948-05-27 1952-06-03 Laszlo M Stempel Resilient bearer structure for rotary printing presses
GB852429A (en) * 1957-12-19 1960-10-26 Mather & Platt Ltd Improvements relating to hydraulic loading means for the rollers of printing machines
US3027832A (en) * 1958-07-05 1962-04-03 Halley & Sons Ltd James Rotary photogravure printing apparatus
FR1333018A (fr) * 1962-09-03 1963-07-19 Planeta Veb Druckmasch Werke Cylindre d'offset

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191518055A (en) * 1915-12-28 1916-11-09 Thomas Ruddiman Johnston Improvements in Rotary Intaglio or Photo-gravure Printing Machines.
DE542586C (de) * 1929-06-17 1932-01-26 Heinrich Renck Zylindermaessig gebogener starrer Bildtraeger fuer chemischen Druck zum Anbringen auf Hochdruckrotationsmaschinen
US1970809A (en) * 1932-10-10 1934-08-21 American Bank Note Co Wiping and polishing mechanism for steel plate printing machines
US2085323A (en) * 1936-02-25 1937-06-29 Homer E Leash Marking device
US2234726A (en) * 1937-05-24 1941-03-11 Philip A Frazier Rotary press
US2310788A (en) * 1938-01-18 1943-02-09 Hummelchen Wilhelm Means for inking printing forms
US2333172A (en) * 1938-05-07 1943-11-02 Interchem Corp Intaglio printing machine
US2585617A (en) * 1946-04-05 1952-02-12 Hoe & Co R Intaglio printing machine
US2659305A (en) * 1950-01-23 1953-11-17 Giori Gualtiero Multicolor rotary, intaglio, letterpress, and offset printing press
US2987993A (en) * 1956-08-24 1961-06-13 Giori Gualtiero Ink regulating device for intaglio and similar printing machines
US3030883A (en) * 1960-11-16 1962-04-24 Irvin F Fleischer Engraver's automatic rotary press
US3161127A (en) * 1961-01-18 1964-12-15 Alsacienne Constr Meca Cylinder support means for rotary printing machine
US3136672A (en) * 1961-08-28 1964-06-09 Robert G Prongay Printing plate and method of making the same

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395638A (en) * 1965-08-13 1968-08-06 Miehle Goss Dexter Inc Impression cylinder construction to prevent streaking in letterpress
US3453955A (en) * 1965-10-20 1969-07-08 Harris Intertype Corp Shock absorber with movement limiting stop for rotary printing press cylinders
US3453956A (en) * 1965-10-20 1969-07-08 Harris Intertype Corp Shock absorber for rotary printing press cylinders
US3807301A (en) * 1970-12-30 1974-04-30 Triumph Werke Nuernberg Ag Printing apparatus in data issuing instrumentalities
US3771450A (en) * 1972-06-06 1973-11-13 Dick Co Ab Clean fluid washing system for duplicating machines and the like
US4056056A (en) * 1973-03-21 1977-11-01 De La Rue Giori S.A. Rotary printing press
US5000090A (en) * 1979-04-11 1991-03-19 Firma Carl Freudenberg Method for the continuous printing of a planar structure
US4756249A (en) * 1986-12-16 1988-07-12 Hardin Philip J Self-adjusting means for rollers
US20080121128A1 (en) * 2006-11-29 2008-05-29 Nitto Denko Corporation Cushioning sheet, printing apparatus and printing method
US10052862B2 (en) 2007-05-15 2018-08-21 Kba-Notasys Sa Intaglio printing press systems for recto-verso intaglio-printing of sheets for the production of banknotes and like securities
US20100139511A1 (en) * 2007-05-25 2010-06-10 Kba-Giori S.A. Intaglio Printing Press Systems for Recto-Verso Intaglio-Printing of Sheets for the Production of Banknotes and Like Securities
US8794141B2 (en) 2007-05-25 2014-08-05 Kba-Notasys Sa Intaglio printing press systems for recto-verso intaglio-printing of sheets for the production of banknotes and like securities
US9278514B2 (en) 2007-05-25 2016-03-08 Kba-Notasys Sa Intaglio printing press systems for recto-verso intaglio-printing of sheets for the production of banknotes and like securities
US20090266251A1 (en) * 2008-04-28 2009-10-29 Goss International Americas, Inc. Variable cut off printing press having flexible plate and blanket

Also Published As

Publication number Publication date
FI45930B (is") 1972-07-31
GB1056417A (en) 1967-01-25
JPS5416246B1 (is") 1979-06-21
FI45930C (fi) 1972-11-10
BE652399A (is") 1964-12-16
DE1237139B (de) 1967-03-23
CH414686A (de) 1966-06-15

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