EP0211450B1 - Procédé et installation de fixation de plaques d'impression sur un cylindre porte-plaques - Google Patents

Procédé et installation de fixation de plaques d'impression sur un cylindre porte-plaques Download PDF

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Publication number
EP0211450B1
EP0211450B1 EP86200917A EP86200917A EP0211450B1 EP 0211450 B1 EP0211450 B1 EP 0211450B1 EP 86200917 A EP86200917 A EP 86200917A EP 86200917 A EP86200917 A EP 86200917A EP 0211450 B1 EP0211450 B1 EP 0211450B1
Authority
EP
European Patent Office
Prior art keywords
plate
cylinder
plates
cylindrical barrel
ribbon
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
EP86200917A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0211450A1 (fr
Inventor
John Moore
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.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
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 De la Rue Giori SA filed Critical De la Rue Giori SA
Priority to AT86200917T priority Critical patent/ATE43294T1/de
Publication of EP0211450A1 publication Critical patent/EP0211450A1/fr
Application granted granted Critical
Publication of EP0211450B1 publication Critical patent/EP0211450B1/fr
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/10Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702For plural parts or plural areas of single part
    • Y10T156/1744Means bringing discrete articles into assembled relationship
    • Y10T156/1751At least three articles
    • Y10T156/1754At least two applied side by side to common base
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49908Joining by deforming
    • Y10T29/49938Radially expanding part in cavity, aperture, or hollow body
    • Y10T29/4994Radially expanding internal tube
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4998Combined manufacture including applying or shaping of fluent material
    • Y10T29/49993Filling of opening

Definitions

  • the present invention relates to a method and an installation for fixing printing plates to a plate cylinder of an intaglio printing machine on the spool, said cylinder comprising a cylindrical mantle of ductile material, preferably of steel. , whose inner wall is slightly conical.
  • This process is an interesting alternative to previously known processes, in particular the production of a printing plate by the transfer method, that is to say by rolling a cylinder fitted with a profile corresponding to the plate, on the cylindrical mantle, or even galvanic methods.
  • these methods remain quite expensive because the preparation of the external mold requires very precise work, the internal diameter of the mold having to correspond exactly to the external diameter of the plate cylinder when it is placed on the shaft of the printing machine. .
  • the present invention overcomes these drawbacks by proposing a method of fixing plates to the cylindrical mantle which on the one hand is simpler and less expensive and on the other hand makes it possible to ensure the continuity of the lateral surface of the cylinder holder. plates.
  • the plates are prepared in advance by traditional methods, therefore relatively inexpensive and in particular the two edges of the plates which will be parallel to the axis of the cylinder are cut meticulously so that the length of the plate corresponds exactly to the half-circumference. of the cylindrical mantle and that said edges are straight and regular.
  • the sheet which can be a second plate or in any case a plate of the same dimensions and of the same material as the first but not engraved, or two, or even several sheets placed after two edges of the first plate make it possible to ensure that during traction there is no sudden change in the surface subjected to the pressure exerted by the tape.
  • the cylindrical mantle is radially expanded, exactly as it will be when the cylinder is placed on the machine shaft, makes it possible to guarantee with precision the outside diameter of the plate cylinder in the working position.
  • the filling of the groove between the adjacent edges of two plates and its machining ensure perfect continuity of the lateral surface of the plate cylinder.
  • the cylindrical mantle can be reused because we can peel off the plates, rectify the outside surface of the cylindrical mantle and glue new plates with other designs. Any reduction in the diameter of the cylindrical mantle by rectification can be compensated for by using thicker plates.
  • the invention also relates to an example of installation allowing the implementation of the method.
  • Figure 1 is a radial sectional view of the plate cylinder with the ribbon and the traction device.
  • Figure 2 is a plan view of the object defined above.
  • a plate cylinder comprising a cylindrical mantle 1, the inner wall of which is slightly conical, is prepared by conventional methods.
  • the intaglio plates are also prepared by known methods by etching the image to be printed on the spool on two nickel plates. Thereafter the two plates are bent by passing them through a set of rollers, their radius corresponding to that of the cylinder, they are cut both in the width and in the length with precision to correspond respectively to the length and at the outer semi-circumference of the cylindrical mantle.
  • the cylindrical mantle 1 is placed on an axis 3 which has a conicity corresponding to that of the wall 2 of the cylindrical mantle.
  • the mantle 1 is pushed to obtain a radial expansion which corresponds to that which the plate cylinder will undergo when it is placed on the shaft of the printing machine.
  • the expansion corresponds to an increase in the diameter of the cylinder of approximately 0.2 mm.
  • a layer of glue in particular a film of epoxy glue, is placed on half of the surface in the peripheral direction of the coat, in reality the film covers a little more than half of the surface of the cylinder for reasons which will be explained later.
  • the first plate 4 is placed on the surface covered with the epoxy film, positioning it exactly on the cylindrical mantle, so that its two edges are perfectly parallel to the axis of the cylinder as well as its axial position relative to the mantle. cylindrical.
  • the sheet 5 is held in place by temporary means which may be apart from the aforementioned fingers, gravity by turning the axis 3 so that this sheet 5 is located on the upper half of the cylinder.
  • the first plate 4 is then surrounded by a metallic steel tightening tape 6 whose width is equal to the length of the plate cylinder and whose length is greater than the half-circumference of the plate cylinder.
  • the two ends of the ribbon 6 are provided with two L-shaped profiles 7, 8.
  • the edges of the ribbon are fixed to one of the wings of the profiles by screws 9, respectively 10.
  • the second wings of the profiles 7, 8 are fitted with tapped holes.
  • a support piece 11 is disposed on the second plate 5 by a concave cylindrical surface provided with a soft material 12 so as not to damage the surface of the sheet 5.
  • the upper part of the support piece 11 is surmounted by a part 13 whose section is in the form of a cross.
  • This piece 13 can be fixed on the support piece 11 by welding, screwing or simply placed as shown in the figure.
  • the two arms of the cross of the part 13 extend beyond the part 11 are provided with holes through which pass bolts 14 which are screwed respectively to the tapped holes of the profiles 7 and 8. By turning the bolts 14 they are screwed or unscrewed in the tapped holes, which makes it possible to increase or decrease the tensile forces exerted on the strip 6.
  • the film of adhesive interposed between the plate 4 and the cylindrical mantle is heated, for example by heating the axis 3.
  • the ribbon 6 begins to tension by exerting forces of pulling by the bolts 14.
  • the bolts are located first in the middle of the part 13 and one continues symmetrically towards the peripheral edges. In this way the excess glue is pushed towards the peripheral edges and can be eliminated and above all avoid that a heap of glue which remains trapped under the plate 4 causes a deformation of the plate 4 and consequently of the lateral surface of the cylinder holder. plates.
  • the lateral surface of the plate cylinder is continuous so that the traction forces exerted on the whole of the plate 4 including its two edges are uniform. It is moreover to ensure this uniformity and not to cause a break at the two edges of the plate 4 that the film of adhesive has been applied beyond half of the lateral surface of the cylindrical mantle, so that near the joints A and B the sheet 5 is well bonded to the cylindrical mantle and therefore the surface is absolutely continuous, at least as regards the height.
  • the heating of the adhesive is stopped and it is cooled by artificial means or by allowing the assembly to cool naturally.
  • the tape 6 and the device 11, 13 are removed, the sheet 5 is removed by peeling its two ends close to the joints A and B, a film of adhesive is placed on the second half of the surface of the cylindrical mantle, we position the second intaglio plate, we surround it with the ribbon 6 and we proceed com me previously except that this time the support piece 11 is pressed against the surface of the intaglio plate 4 pasted previously.
  • the fixing of the second plate is complete, the tape 6 and the support piece 11 are removed.
  • the surface is machined so that it is absolutely continuous.
  • the plate cylinder is removed from the axis 3 which shrinks and returns to its initial dimensions.
  • a layer of chromium is deposited on the entire lateral surface of the plate cylinder by immersing the cylinder in an electrolytic bath.
  • a layer of 8-10 microns of chromium is deposited over the entire lateral surface of the plate cylinder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
  • Screen Printers (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Saccharide Compounds (AREA)
EP86200917A 1985-07-26 1986-05-27 Procédé et installation de fixation de plaques d'impression sur un cylindre porte-plaques Expired EP0211450B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86200917T ATE43294T1 (de) 1985-07-26 1986-05-27 Vorrichtung und verfahren zum befestigen von druckplatten auf dem plattenzylinder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH325885 1985-07-26
CH3258/85 1985-07-26

Publications (2)

Publication Number Publication Date
EP0211450A1 EP0211450A1 (fr) 1987-02-25
EP0211450B1 true EP0211450B1 (fr) 1989-05-24

Family

ID=4252084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86200917A Expired EP0211450B1 (fr) 1985-07-26 1986-05-27 Procédé et installation de fixation de plaques d'impression sur un cylindre porte-plaques

Country Status (17)

Country Link
US (2) US4680067A (enrdf_load_stackoverflow)
EP (1) EP0211450B1 (enrdf_load_stackoverflow)
JP (1) JPS6228247A (enrdf_load_stackoverflow)
KR (1) KR870001035A (enrdf_load_stackoverflow)
CN (1) CN86104485A (enrdf_load_stackoverflow)
AT (1) ATE43294T1 (enrdf_load_stackoverflow)
AU (1) AU6012786A (enrdf_load_stackoverflow)
BR (1) BR8603421A (enrdf_load_stackoverflow)
CA (1) CA1256316A (enrdf_load_stackoverflow)
DD (1) DD248546A5 (enrdf_load_stackoverflow)
DE (1) DE3663480D1 (enrdf_load_stackoverflow)
DK (1) DK277186A (enrdf_load_stackoverflow)
ES (2) ES556604A1 (enrdf_load_stackoverflow)
FI (1) FI863052A7 (enrdf_load_stackoverflow)
IN (1) IN167025B (enrdf_load_stackoverflow)
NO (1) NO863006L (enrdf_load_stackoverflow)
SU (1) SU1473702A3 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727115A1 (de) * 1987-08-14 1989-02-23 Basf Ag Vorrichtung zum verschliessen des spaltes zwischen den enden einer auf einen formzylinder aufgespannten tiefdruckplatte
DE4140768C2 (de) * 1991-12-11 1994-08-18 Roland Man Druckmasch Offset-Druckform
DE4217793C1 (de) * 1992-05-29 1993-12-09 Roland Man Druckmasch Offset-Gummituch und Verfahren zu dessen Herstellung
US5755921A (en) * 1995-08-11 1998-05-26 Fargo Electronics, Inc. Image transfer press
US5687647A (en) * 1996-04-26 1997-11-18 Heidelberger Druckmaschinen Ag Plate cylinder with fixed tensioning plate mounting device
US6117615A (en) * 1999-07-28 2000-09-12 E. I. Du Pont De Nemours And Company Method for mounting multiple printing elements onto a cylindrical element
US8349114B2 (en) * 2005-02-28 2013-01-08 Cary Green Mug wrap

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229133A (en) * 1938-12-27 1941-01-21 Rotary Printing Company Apparatus for printing
US2649132A (en) * 1950-08-28 1953-08-18 Harry B Barrett Brake shoe bonding machine
US2941570A (en) * 1955-11-29 1960-06-21 Oscar V Plym Method and apparatus for making tubes and hollow bodies of fibrous plastics
US2948327A (en) * 1957-06-20 1960-08-09 Hoe & Co R Apparatus for formation of composite printing plates
US2982332A (en) * 1958-08-27 1961-05-02 Russell U Garrett Apparatus for shaping and bonding laminations
US3288982A (en) * 1964-03-14 1966-11-29 Suzuki Haruyoshi High speed arc welding method
GB1504524A (en) * 1975-05-06 1978-03-22 Bicc Ltd Jointing or terminating plastics sheathed electric cables
US4104961A (en) * 1977-04-29 1978-08-08 Leonard Friedman Brake shoe lining bonding fixture
CH619646A5 (enrdf_load_stackoverflow) * 1977-05-09 1980-10-15 De La Rue Giori Sa
DK159251C (da) * 1983-03-12 1991-02-18 Basf Ag Fremgangsmaade til lukning af spalten mellem en paa et dybtrykapparats trykformcylinder opspaendt dybtrykplades ender, samt indretning ved dybtryksapparatet, til udoevelse af fremgangsmaaden
DE3421029C2 (de) * 1984-06-06 1986-04-24 Walter Steinhausen Mathis Verfahren und Vorrichtung zum trockenen Bedrucken eines Werkstückes unter Verwendung einer Heißprägefolie

Also Published As

Publication number Publication date
NO863006D0 (no) 1986-07-25
IN167025B (enrdf_load_stackoverflow) 1990-08-18
NO863006L (no) 1987-01-27
US4762064A (en) 1988-08-09
CN86104485A (zh) 1987-02-11
DD248546A5 (de) 1987-08-12
BR8603421A (pt) 1987-03-04
US4680067A (en) 1987-07-14
KR870001035A (ko) 1987-03-11
ATE43294T1 (de) 1989-06-15
ES556604A1 (es) 1987-11-01
ES296528U (es) 1987-10-16
DE3663480D1 (en) 1989-06-29
FI863052A0 (fi) 1986-07-25
JPS6228247A (ja) 1987-02-06
AU6012786A (en) 1987-01-29
DK277186D0 (da) 1986-06-12
CA1256316A (en) 1989-06-27
EP0211450A1 (fr) 1987-02-25
FI863052A7 (fi) 1987-01-27
JPH0566263B2 (enrdf_load_stackoverflow) 1993-09-21
DK277186A (da) 1987-01-27
ES296528Y (es) 1988-04-16
SU1473702A3 (ru) 1989-04-15

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