EP1022138B1 - Paroi latérale d'encrier pour machine d'impression. - Google Patents

Paroi latérale d'encrier pour machine d'impression. Download PDF

Info

Publication number
EP1022138B1
EP1022138B1 EP00810033A EP00810033A EP1022138B1 EP 1022138 B1 EP1022138 B1 EP 1022138B1 EP 00810033 A EP00810033 A EP 00810033A EP 00810033 A EP00810033 A EP 00810033A EP 1022138 B1 EP1022138 B1 EP 1022138B1
Authority
EP
European Patent Office
Prior art keywords
side wall
ink fountain
plates
intermediate plate
inkwell
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
Application number
EP00810033A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1022138A1 (fr
Inventor
Raffaele Fina
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
KBA 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 KBA Giori SA filed Critical KBA Giori SA
Publication of EP1022138A1 publication Critical patent/EP1022138A1/fr
Application granted granted Critical
Publication of EP1022138B1 publication Critical patent/EP1022138B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/18—Inking arrangements or devices for inking selected parts of printing formes

Definitions

  • the present invention relates to an inkwell side wall printing machine, comprising at least two plates fixed at a distance from each other and a plate intermediate having an arcuate front edge of circle mounted between said plates movably and tiltable, and pressure means acting on said intermediate plate.
  • the present invention also relates to an inkwell for printing machine with at least one side wall according to the present invention.
  • Patent EP 0 374 092 shows another ink system with dividing walls allowing a printing with different colors. These walls of separation include two metal plates and an intermediate plate having a front edge in contact with the periphery of the inkwell cylinder in making a sealed contact therewith.
  • the plaques metal have a bead in plastic material on their bottom edge to ensure the seal between the partition wall and the bottom of the ink.
  • the disadvantage of this system is that that the seal between the intermediate wall and the periphery of the inkwell cylinder is not perfect no more and that the lifetime of the system is thus limited to because of the abrasive properties of inks that wear out elements of the system, especially the plate intermediate.
  • the object of the present invention is to improve the known devices.
  • the present invention aims to offer an inkwell with watertight side walls is significantly improved, in a simple way and for low cost.
  • the present invention also aims to provide a system allowing retrofitting in machines that is, a system that can be mounted in inkwells already in service without major modification of these.
  • the side wall according to the invention makes it possible to improve the seal tightly and therefore significantly increase its lifespan.
  • the system is easy and inexpensive to produce and its installation in machines already in operation is possible.
  • Independent claim 9 defines an inkwell comprising at least one side wall according to the present invention.
  • Dependent claim 10 defines a mode of particular realization of the inkwell.
  • FIG. 1 an inking device with two inkwells superimposed, of the type used in intaglio machines, is represented.
  • This device mainly consists a movable inking carriage 1, comprising two frames 2 superimposed, each frame 2 being provided with an inkwell 3 formed a bottom 4 and two side walls 5 cooperating with the inkwell cylinder 6.
  • the bottom 4 is formed by a blade whose front edge is close to cylinder 6 of the inkwell.
  • Figure 1 of the rollers inkers 7 which ink, for example, plates printing (not shown) mounted on a cylinder plate holder 8.
  • FIG. 2 a side wall 5 seen from the inside of the inkwell 3 is shown in detail.
  • This side wall 5 comprises a slide 10 which is mounts on the bottom of the inkwell 3, for example by screwing by means of the screws 29.
  • the front end of the slide 10 which is inside the inkwell 3 is in contact with the inkwell cylinder 6.
  • the slide 10 comprises at this place a reinforcement 12, like a plate in hard material, for example metal or ceramic, which makes the joint between this corner and cylinder 6 perfectly waterproof.
  • the side wall 5 itself comprises a first plate 11 which slides without play in said slide 10, from the opposite end to the inkwell cylinder 6.
  • first plate 11 On this first plate, we then mount an intermediate plate 13 whose front edge 13a has the shape of an arc of a circle and is intended to come into contact with the circumference of the inkwell cylinder 6.
  • This intermediate plate is in general in plastic, for example in Nylatron, and it ensures the seal of the side wall 5 the along the circumference of the inkwell cylinder 6.
  • This intermediate plate 13 can move longitudinally, in the direction perpendicular to the axis of rotation of the inkwell cylinder 6 or in rotation around a axis parallel to the axis of rotation of the inkwell cylinder 6 and it is held in abutment against the inkwell cylinder 6 by means of the two springs 18 and 19, placed in corresponding cavities 20, 21 of the first plate 11.
  • the axis of rotation of the intermediate plate 13 is close or even confused with the axis of a screw 24, depending on the longitudinal position of the intermediate plate 13.
  • the two springs 18 and 19 are located opposite and other of this axis of rotation of the intermediate plate 13.
  • the two springs 18, 19 can be prestressed by screws 22, 23.
  • a plate protection 15 is placed on said rear edge 13b, and retained for example by means of screws 16 and 17.
  • a second plate 14 is fixed to the first plate 11 by means of the screws 24, 26 and is used both for close the device and protect the intermediate plate 13 of the ink, in particular during the drying thereof.
  • the intermediate plate still slides correctly even if the ink has thickened or dried, and the seal inkwell is maintained.
  • a screw 25 is used, the end of which can be knurled to facilitate its manual tightening and loosening.
  • a mode of execution of this system is shown in detail at Figure 3 and has two inclined planes which cooperate with the way to a corner.
  • a first inclined plane 30 is formed on the inner side of the first plate 11 and a second inclined plane is formed on a piece intermediate 31, which moves relative to the first plate 11 sliding on the first inclined plane 30 allowing lateral adjustment of the plate intermediate 13 towards the material plate lasts 12 and the removal of the game.
  • the system lock corner is provided by the screws 27 which pass through holes oblong 28 of the intermediate piece 31 and come screw into the first plate 11.
  • Corner system adjustment can be done manually, gradually adjusting the position of the intermediate plate 13 in the direction of the workpiece lasts 12, or you can use a cam system 32 mounted on an axis fixed to the first plate 11 and actuated by screw 33, cam 32 acting on the part intermediate 31 to move it longitudinally in a direction perpendicular to the axis of the inkwell cylinder 7 and thus, via the wedge system, move the intermediate plate 13 towards the hard material 12.
  • the intermediate plate 13 is pierced with a hole which is crossed by a socket 35 (see Figure 3).
  • This socket 35 is itself held in position by through screws 24 and 33 which pass through the plates 14 and 11 respectively.
  • lateral adjustment of the intermediate plate can be realized by other means equivalent to the corner system described.
  • the materials used in particular those of the wafer 12 and of the intermediate plate 13 which forms the seal can be varied.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Coating Apparatus (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Color Electrophotography (AREA)
EP00810033A 1999-01-20 2000-01-14 Paroi latérale d'encrier pour machine d'impression. Expired - Lifetime EP1022138B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH10599 1999-01-20
CH10599 1999-01-20

Publications (2)

Publication Number Publication Date
EP1022138A1 EP1022138A1 (fr) 2000-07-26
EP1022138B1 true EP1022138B1 (fr) 2003-05-02

Family

ID=4179393

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00810033A Expired - Lifetime EP1022138B1 (fr) 1999-01-20 2000-01-14 Paroi latérale d'encrier pour machine d'impression.

Country Status (11)

Country Link
US (1) US6484633B2 (ru)
EP (1) EP1022138B1 (ru)
JP (1) JP4965010B2 (ru)
KR (1) KR100593875B1 (ru)
CN (1) CN1172798C (ru)
AT (1) ATE238909T1 (ru)
AU (1) AU761960B2 (ru)
CA (1) CA2296177C (ru)
DE (1) DE60002369T2 (ru)
RU (1) RU2225293C2 (ru)
UA (1) UA62973C2 (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1588854A1 (fr) * 2004-04-22 2005-10-26 Kba-Giori S.A. Encrier pour machine d'impression
JP2006321129A (ja) * 2005-05-19 2006-11-30 Komori Corp インキ壷装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1893148A (en) * 1931-02-16 1933-01-03 Robert R Page Articulated fountain divider
US2887049A (en) * 1955-12-29 1959-05-19 Harris Intertype Corp Ink fountain
US4991504A (en) 1988-12-15 1991-02-12 De La Rue Giori S.A. Ink duct for a printing machine
DE9001758U1 (de) * 1990-02-12 1990-05-03 Bundesrepublik Deutschland, vertreten durch den Bundesminister für Post- und Telekommunikation, dieser vertreten durch den Präsidenten der Bundesdruckerei, 1000 Berlin Farbkasten für eine Druckmaschine
US5230286A (en) 1991-10-11 1993-07-27 De La Rue Giori, S.A. Inking unit for a printing machine
US5243907A (en) * 1992-01-22 1993-09-14 The Langston Corporation Divider seal for split-fountain chambered doctor blade for a flexographic printing press

Also Published As

Publication number Publication date
RU2225293C2 (ru) 2004-03-10
UA62973C2 (en) 2004-01-15
ATE238909T1 (de) 2003-05-15
US20020011163A1 (en) 2002-01-31
DE60002369T2 (de) 2004-03-25
AU1245300A (en) 2000-07-27
JP4965010B2 (ja) 2012-07-04
CA2296177C (en) 2008-09-09
CN1261581A (zh) 2000-08-02
EP1022138A1 (fr) 2000-07-26
CA2296177A1 (en) 2000-07-20
US6484633B2 (en) 2002-11-26
JP2000211113A (ja) 2000-08-02
AU761960B2 (en) 2003-06-12
DE60002369D1 (de) 2003-06-05
CN1172798C (zh) 2004-10-27
KR100593875B1 (ko) 2006-07-03
KR20000053517A (ko) 2000-08-25

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