EP0736380B1 - Farbbehälter mit einer Rakel - Google Patents

Farbbehälter mit einer Rakel Download PDF

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Publication number
EP0736380B1
EP0736380B1 EP96200793A EP96200793A EP0736380B1 EP 0736380 B1 EP0736380 B1 EP 0736380B1 EP 96200793 A EP96200793 A EP 96200793A EP 96200793 A EP96200793 A EP 96200793A EP 0736380 B1 EP0736380 B1 EP 0736380B1
Authority
EP
European Patent Office
Prior art keywords
ink cartridge
cartridge according
squeegee
ink
component
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
EP96200793A
Other languages
English (en)
French (fr)
Other versions
EP0736380A1 (de
Inventor
Laurent De Volder
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.)
DE VOLDER, LAURENT
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0736380A1 publication Critical patent/EP0736380A1/de
Application granted granted Critical
Publication of EP0736380B1 publication Critical patent/EP0736380B1/de
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
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/001—Pad printing apparatus or machines

Definitions

  • the present invention relates to an ink cartridge equipped with a circular or oval squeegee from a hard material, such as hard metal, ceramics or plastics, with a circular or oval channel provided therein for fixing said squeegee.
  • a cartridge of this type is described in European patent 568.133 which relates to a plate inking device in which use is made of a cartridge consisting of a body in the shape of an overturned glass, which body is made of an aluminium alloy such as Anticorodal.
  • a ring preferably made of zirconium containing material, acting as a doctor blade, is mounted at the lower extremity of the aluminium body and a seal is adapted between the body and the ring to ensure an ink-tight engagement.
  • the aim of the invention is to realise a disposable unit the use of aluminium alloys and a ceramic doctor ring cannot be considered a feasible solution.
  • Another object of the invention is to realise an ink cartridge which is designed to enable the squeegees, also known as doctor rings, to be exchanged in an easy and reliable way.
  • the ink cartridge according to this application consists of an ink reservoir in the form of a monolithic component from a synthetic material.
  • a first embodiment of the invention is characterised by the fact that said ink reservoir comprises at the bottom two laterally extending projections which are situated diametrically to one another and onto which the required mechanical pressure can be exerted by means of a rigid and non deformable press plate.
  • said component comprises an internal hollow chamber onto the bottom of which a downwards directed mechanical pressure can be exerted.
  • Figure 1 is a cross sectional view of an ink reservoir according to the invention, in a first possible embodiment.
  • Figure 2 is a top view on the rigid, non deformable press plate to be used with such an ink reservoir.
  • Figure 3 is a cross sectional view of a variant of the invention.
  • the ink cartridge illustrated in Figures 1 and 2, consists essentially of a monolithic component 1, which forms the actual ink reservoir. At the bottom, i.e. considered in the use position, the monolithic component shows laterally two projections 2 which extend outwardly opposite to one another and onto which a downward pressure can be exerted by means of a rigid, non deformable press plate 3.
  • the press plate 3 itself receives its downward pressure from a forklike component which pertains to the printing device itself and which therefore does essentially not pertain to the currently described invention.
  • the monolithic component 1 shows a circular or oval channel adapted to the profile of the circular or oval squeegee 4.
  • the squeegee 4 can either be clicked in the channel 5 provided in the monolithic component by a snapping or clicking operation and/or be glued therein.
  • a material which shows remarkable properties for forming the monolithic component 1 is a polyacetal.
  • cooling ribs 6 are internally provided.
  • Such cooling ribs may be useful when the monolithic component, although made of a synthetic material, would be heated up as a result of a prolonged operation of the ink cartridge.
  • the structure according to this variant has been designed in such a manner that use can also be made here of polyacetal for forming the monolithic component 10 to which the squeegee 11 is fixed, considered in the use position, at the bottom.
  • the space containing the ink is indicated with reference number 12 and is in communication with the bottom space 12" through the intermediary of a narrowing 12'.
  • a chamber 13 is provided, onto the bottom of which a downward pressure can be exerted. This pressure is of course immediately transferred to the squeegee 11. Use can be made hereto of a ball 14. The means for exerting onto this ball and thus onto the ink cartridge the required downward pressure, have not been shown.
  • an ink supply duct 15 is provided which can be connected to a non shown ink supply.
  • the cylindrical wall 16, which surrounds the chamber 13, can be cooled down by a cooling fluid which circulates for example through a schematically illustrated serpentine 17.
  • the squeegee 11 can be clicked, glued or can be joined, during a spray or moulding process, to the material the monolithic component consists of, at the bottom in a circular or oval channel, provided in the wall of the monolithic component 10.
  • the ink reservoir is enclosed both at the top and at the bottom by removable sealing films or sealing plates 18 and 19, respectively. At least on the upper side, the ink cartridge is in both cases also closed off by a cover 20.
  • the choice of the material from which the monolithic component is made allows from a technical-economical point of view to consider the ink cartridge according to the invention as a disposable entity. Thanks to the properties of the synthetic material used therefor, it is just as well possible to join the squeegees 4 and 11, respectively, to the monolithic component by snapping or clicking them therein, by gluing the squeegee thereto or by uniting them in one operation during the spray or moulding process into one entity.

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  • Pens And Brushes (AREA)
  • Coating Apparatus (AREA)

Claims (8)

  1. Tintenkartusche, versehen mit einem kreisförmigen oder ovalen Abstreifer (4, 11) aus einem harten Material, beispielsweise einem Hartmetall, Keramik oder Kunststoff, mit einem kreisförmigen oder ovalen Kanal (5), der darin vorgesehen ist, um den Abstreifer (4, 11) durch Klicken oder Schnappen festzulegen, wobei die Tintenkartusche aus einem Tintenreservoir in Form einer monolitischen Komponente (1, 10) aus einem nicht verformbaren synthetischen Material besteht.
  2. Tintenkartusche nach Anspruch 1, dadurch gekennzeichnet, daß das synthetische Material ein Polyacetalharz-Material ist.
  3. Tintenkartusche nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die monolitische Komponente (1) innen mit Kühlrippen (6) versehen ist.
  4. Tintenkartusche nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß Kühleinrichtungen sowohl in Kühlrippen (6) als auch in der monolitischen Komponente (10) zur Zirkulation eines Kühlfluids vorgesehen sind.
  5. Tintenkartusche nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Komponente mit einem äußeren Kragen versehen ist, auf den ein nach unten gerichteter mechanischer Druck ausgeübt werden kann.
  6. Tintenkartusche nach Anspruch 5, dadurch gekennzeichnet, daß das Tintenreservoir am Boden zwei seitlich sich erstreckende Vorsprünge (2) aufweist, die diametral zueinander angeordnet sind, und auf die der geforderte mechanische Druck mittels einer starren und nicht verformbaren Platte (3) ausgeübt werden kann.
  7. Tintenkartusche nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Komponente (10) eine innere hohle Kammer (13) aufweist, die außen mit Kühleinrichtungen versehen ist.
  8. Tintenkartusche nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Tintenreservoir an beiden Enden mit entfernbaren Dichtungsfilmen oder Dichtungsplatten (18, 19) versehen ist.
EP96200793A 1995-04-05 1996-03-22 Farbbehälter mit einer Rakel Expired - Lifetime EP0736380B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9500312A BE1009272A6 (nl) 1995-04-05 1995-04-05 Inktpatroon met rakel.
BE9500312 1995-04-05

Publications (2)

Publication Number Publication Date
EP0736380A1 EP0736380A1 (de) 1996-10-09
EP0736380B1 true EP0736380B1 (de) 2002-05-15

Family

ID=3888908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96200793A Expired - Lifetime EP0736380B1 (de) 1995-04-05 1996-03-22 Farbbehälter mit einer Rakel

Country Status (4)

Country Link
EP (1) EP0736380B1 (de)
AT (1) ATE217578T1 (de)
BE (1) BE1009272A6 (de)
DE (1) DE69621182T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5694847A (en) * 1995-05-24 1997-12-09 Trans Tech America, Inc. Ink cups for pad printing machines, methods of their manufacturing and machines including same
US5832835A (en) * 1996-07-12 1998-11-10 Markem Corporation Soft doctoring cup
US5893326A (en) * 1997-08-05 1999-04-13 Jetta Company Limited Ink cup and method for using same
AT2519U1 (de) * 1997-10-28 1998-12-28 Hofstaedter Heinrich Verfahren und vorrichtung zum tampondrucken
DE19908865A1 (de) * 1999-03-01 2000-09-07 Itw Morlock Gmbh Farbtopf für eine Tampondruckmaschine
DE19908849A1 (de) * 1999-03-01 2000-09-07 Itw Morlock Gmbh Farbtopf für eine Tampondruckmaschine
EP1048463A1 (de) * 1999-04-29 2000-11-02 Printing International Verfahren zum Einfärben einer Druckplatte mit thermopastischen Tinten sowie dafür verwende Tintenbehälter
US8955433B2 (en) 2006-11-30 2015-02-17 Illinois Tool Works Inc. Method and system for pad printing with removable pre-filled ink cup
WO2013148926A1 (en) * 2012-03-29 2013-10-03 Illinois Tool Works Inc. Method and system for pad printing with removable pre-filled ink cup
DE102018207012A1 (de) * 2017-05-31 2018-12-06 Heidelberger Druckmaschinen Ag Farbkasten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3744979C2 (de) * 1987-11-07 1994-10-06 Tampoprint Gmbh Tampondruckmaschine
DE4015684A1 (de) * 1990-05-16 1991-11-21 Tampoflex Gmbh Einfaerb- und rakelvorrichtung
DE9213261U1 (de) * 1991-11-16 1993-01-21 Tampoprint Gmbh, 7015 Korntal-Muenchingen, De
IT1255116B (it) * 1992-04-30 1995-10-20 Angelo Galassi Dispositivo inchiostratore di un cliche'

Also Published As

Publication number Publication date
EP0736380A1 (de) 1996-10-09
DE69621182T2 (de) 2003-01-16
ATE217578T1 (de) 2002-06-15
BE1009272A6 (nl) 1997-01-07
DE69621182D1 (de) 2002-06-20

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