EP0903230A2 - Procédé et dispositif pour enlever des couchages du stencil sur des pochoirs sérigraphiques - Google Patents

Procédé et dispositif pour enlever des couchages du stencil sur des pochoirs sérigraphiques Download PDF

Info

Publication number: EP0903230A2
Authority: EP; European Patent Office
Prior art keywords: screen printing; carrier; ultrasound; stencil; liquid
Prior art date: 1997-07-31
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.): Granted

Application number

EP98114323A

Other languages

German (de)

English (en)

Other versions

EP0903230B1 (fr

EP0903230A3 (fr

Inventor

Harry Dr. Kallweit

Jürgen Stieler

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.)

Kissel & Wolf GmbH

Original Assignee

Kissel & Wolf GmbH

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.)

1997-07-31

Filing date

1998-07-30

Publication date

1999-03-24

1998-07-30 Application filed by Kissel & Wolf GmbH filed Critical Kissel & Wolf GmbH

1999-03-24 Publication of EP0903230A2 publication Critical patent/EP0903230A2/fr

1999-10-27 Publication of EP0903230A3 publication Critical patent/EP0903230A3/fr

2002-02-06 Application granted granted Critical

2002-02-06 Publication of EP0903230B1 publication Critical patent/EP0903230B1/fr

2018-07-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

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Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
- B41F35/003—Cleaning arrangements or devices for screen printers or parts thereof
- B41F35/005—Cleaning arrangements or devices for screen printers or parts thereof for flat screens

Definitions

the invention relates to a method for removing Stencil coatings on screen printing forms, in particular their template carriers. Furthermore, the Invention on a device for performing this Procedure.
the stencil coating is removed at certain intervals , for example around the screen printing form to prepare for the production of another printed image.
chemical ones are still used for this Means used, especially when it are hardened stencil coatings.
very strong oxidizing agents iodates or periodate, manganese peroxide, osmium tetraoxide, selenium dioxide etc.
polyvinyl alcohol or cellulose layers required.
Enzymes used. In any case, the wastewater badly affected, so the sewage must be processed in expensive plants.
the invention has for its object a method to provide with the screen printing forms without the Let the use of chemicals be decoated, and at the the outlay on equipment is comparatively low.
a another object is to provide a device for Propose implementation of this procedure.
the first part of the task is according to the invention solved that the screen printing form with the stencil holder in a liquid bath immersed and by the action of a Ultrasonic device is decoated.
Basic idea the invention is the use of ultrasound in a liquid, especially water bath, in the way that direct contact between the ultrasound device and screen printing form is created.
the template holder can then no longer avoid swinging along, so that the full pressure of the ultrasound device is taken over. This will cause the stencil coating to explode, the effect also on the back is available. If this effect is not sufficient, the screen printing form after the first stripping process turned over and then again the effect of ultrasound get abandoned.
the ultrasound consists of high-frequency sound waves with frequencies above 16 kHz which are vaporized in the liquid or create gas bubbles after an expansion phase implode. This creates high pressure surges and turbulence and also heat waves that when exposed towards the stencil holder with the appropriate intensity de-coating.
the intensity of the ultrasound device can be set so that this the template carrier is not attacked.
the advantages over conventional methods are in that on the use of chemicals completely can be dispensed with, d. H. all related Disadvantages such as pollution, air emissions, fire risk, Risk of chemical burns and the provision of such chemicals fall away here.
the detached stencil coatings can by simple filtering or precipitation removed the aqueous medium of the liquid bath and be deposited, unless they are processed can. Thorough cleaning itself results at the crosshairs of the fabric of the template carrier, even if there are hardened stencil layers.
the ultrasound to act is limited to parts of the template carrier and the ultrasonic device and the template carrier relative and be moved parallel to each other. That way there is the possibility of areas of the template carrier to exclude the effect of ultrasound, so that existing there Stencil adhesives or stencil coatings not attacked become.
a device for performing the above The method is according to the invention through a liquid pan for inserting a screen printing stencil and through an ultrasound device for sonicating ultrasound marked towards the liquid pan. It is clear that this device is relatively simple built up and thus the expenditure on equipment is low is.
the ultrasound device protrudes into the liquid pan such that the Ultrasonic device with filled liquid tank in the liquid dips. It is useful if the ultrasonic device to a in the liquid pan inserted screen printing form is created. This can for example with the help of a lifting device, about the distance to the screen printing form or to the stencil holder to the installation of the ultrasound device is adjustable.
the ultrasound device is arranged on a support is that is movable in a horizontal plane, so the entire surface of the template carrier with ultrasound can be applied.
the carrier is designed as a girder bridge which is on both sides in the edge area of the liquid pan is guided, the support bridge expediently designed to be movable in one direction and the ultrasound device transverse to it relative to the carrier is suspended.
the ultrasound device has several ultrasound generators, also called sonotrodes.
the device 1 to be seen in perspective in FIG. 1 has a tub 2 rectangular plan that one flat floor 3 and four vertical side walls 4, 4 ', 5, 5'.
the side walls 4, 4 ', 5, 5 ' are shown transparently so that it is visible that a flat screen printing form 6 is inserted into the tub 2 is, which consists of a rectangular printing form frame 7 and one of this spanned template carrier 8 from one fine plastic fabric.
the tub 2 is with Filled with water, the mirror of which is marked by line 9 is.
the mirror 9 lies above the screen printing form 6, d. H. it is complete and at a distance from Mirror 9 immersed.
the tub 2 has two drains 10, 11 in the bottom 3, which in a filter 12 converge. Be in this filter 12 detached coating particles collected so that the drained water is discharged into the sewer system can be.
the carrier bridge 15 spans the tub 12 in Y direction.
An ultrasound device hangs on the carrier bridge 15 18 consisting of four in the Y direction side by side arranged ultrasound generators 19, 20, 21, 22 assembled is.
the ultrasound device 18 is in the Y direction movably suspended on the carrier bridge 15.
the ultrasound generators 19, 20, 21, 22 protrude downwards into the water 9 and lie with their underside Ends on the template carrier 8. This will be particularly by the enlarged view in Fig. 2 clearly.
Fig. 2 In the position shown in Fig. 2 is the effect the ultrasonic device 18 so strong that the stencil coating is blown up and in the form of template particles - designated by way of example at 23 - replaced becomes.
the template particles 23 are after completion the impact of ultrasound with the water in the drains 10, 11 washed out and caught in the filter 12.

Landscapes

Application Of Or Painting With Fluid Materials (AREA)
Inking, Control Or Cleaning Of Printing Machines (AREA)
Manufacturing Of Printed Wiring (AREA)

EP98114323A 1997-07-31 1998-07-30 Procédé et dispositif pour enlever des couchages du stencil sur des pochoirs sérigraphiques Expired - Lifetime EP0903230B1 (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE19733185		1997-07-31
DE19733185		1997-07-31
DE19747026		1997-10-24
DE19747026		1997-10-24

Publications (3)

Publication Number	Publication Date
EP0903230A2 true EP0903230A2 (fr)	1999-03-24
EP0903230A3 EP0903230A3 (fr)	1999-10-27
EP0903230B1 EP0903230B1 (fr)	2002-02-06

Family

ID=26038759

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98114323A Expired - Lifetime EP0903230B1 (fr)	1997-07-31	1998-07-30	Procédé et dispositif pour enlever des couchages du stencil sur des pochoirs sérigraphiques

Country Status (6)

Country	Link
EP (1)	EP0903230B1 (fr)
AT (1)	ATE212911T1 (fr)
DE (1)	DE59803003D1 (fr)
DK (1)	DK0903230T3 (fr)
ES (1)	ES2172842T3 (fr)
PT (1)	PT903230E (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2003080343A1 (fr)	2002-03-27	2003-10-02	Hermann Leufgens	Procede de nettoyage d'un dispositif de lavage d'une imprimante offset et dispositif de nettoyage correspondant
ITBO20100549A1 (it) *	2010-09-10	2012-03-11	Eugenio Curtarello	Metodo di eliminazione emulsioni ed immagini residue da matrice di stampa serigrafica
CN103990607A (zh) *	2014-05-30	2014-08-20	苏州倍辰莱电子科技有限公司	钢网清洗装置
EP3129231A1 (fr) *	2014-04-10	2017-02-15	ASM Assembly Systems Switzerland GmbH	Appareil et procédé d'impression au cadre

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH426896A (de) *	1963-11-13	1966-12-31	Ernst Greminger Konstruktionsw	Verfahren zum Reinigen und Trocknen von ausgedruckten Druckformen und Einrichtung zur Ausübung des Verfahrens
GB1580658A (en) *	1977-07-18	1980-12-03	Whiteley Ltd E Gordon	Cleaning apparatus
DE3212916A1 (de) *	1982-04-06	1983-10-13	Markku 02170 Espoo Hakala	Verfahren und vorrichtung zum reinigen im seidendruck verwendeter seidentuecher
FR2630665B1 (fr) *	1988-04-28	1990-08-03	Philippe Ets Pierre	Dispositif de traitement par immersion dans un bain d'un objet tubulaire presentant une surface exterieure fragile
JPH04351592A (ja) *	1991-05-29	1992-12-07	Masu Shoji:Kk	マスクの洗浄装置
JPH05220460A (ja) *	1991-10-17	1993-08-31	Sawaa Corp:Kk	超音波洗浄方法及びその装置
JP2879505B2 (ja) *	1993-03-04	1999-04-05	シャープ株式会社	スクリーン版洗浄装置

1998
- 1998-07-30 ES ES98114323T patent/ES2172842T3/es not_active Expired - Lifetime
- 1998-07-30 DK DK98114323T patent/DK0903230T3/da active
- 1998-07-30 DE DE59803003T patent/DE59803003D1/de not_active Expired - Fee Related
- 1998-07-30 AT AT98114323T patent/ATE212911T1/de not_active IP Right Cessation
- 1998-07-30 EP EP98114323A patent/EP0903230B1/fr not_active Expired - Lifetime
- 1998-07-31 PT PT98114323T patent/PT903230E/pt unknown

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2003080343A1 (fr)	2002-03-27	2003-10-02	Hermann Leufgens	Procede de nettoyage d'un dispositif de lavage d'une imprimante offset et dispositif de nettoyage correspondant
DE10213647A1 (de) *	2002-03-27	2003-10-23	Hermann Leufgens	Verfahren zum Reinigen einer Gummituchwaschvorrichtung sowie Reinigungswanne zur Durchführung des Verfahrens
DE10213647B4 (de) *	2002-03-27	2004-08-26	Hermann Leufgens	Verfahren zum Reinigen einer Gummituchwaschvorrichtung sowie Reinigungswanne zur Durchführung des Verfahrens
US7125456B2 (en)	2002-03-27	2006-10-24	Hermann Leufgens	Method for cleaning a washing device of an offset printing machine
ITBO20100549A1 (it) *	2010-09-10	2012-03-11	Eugenio Curtarello	Metodo di eliminazione emulsioni ed immagini residue da matrice di stampa serigrafica
EP3129231A1 (fr) *	2014-04-10	2017-02-15	ASM Assembly Systems Switzerland GmbH	Appareil et procédé d'impression au cadre
CN103990607A (zh) *	2014-05-30	2014-08-20	苏州倍辰莱电子科技有限公司	钢网清洗装置

Also Published As

Publication number	Publication date
ATE212911T1 (de)	2002-02-15
EP0903230B1 (fr)	2002-02-06
EP0903230A3 (fr)	1999-10-27
ES2172842T3 (es)	2002-10-01
PT903230E (pt)	2002-07-31
DK0903230T3 (da)	2002-07-01
DE59803003D1 (de)	2002-03-21

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DE2435924C2 (de)	1983-12-01	Vorrichtung zum Reinigen von plattenförmigen Gegenständen
EP0895655B1 (fr)	2004-02-18	Dispositif pour traiter des substrats dans un recipient pour fluide
DE4339268C2 (de)	1996-01-25	Verfahren und Vorrichtung zum Ausfiltern und Rückspülen von Feststoff-Partikeln aus Flüssigkeiten
DE3852883T2 (de)	1995-05-18	Wasserkläranlage für die beseitigung von teilchen, die grösser als ein vorbestimmter durchmesser sind.
CH671709A5 (fr)	1989-09-29
DE3734097C2 (fr)	1992-12-10
DE3028325A1 (de)	1981-02-19	Verfahren und vorrichtung zum reinigen eines eine gedruckte schaltungsplatte umfassenden werkstuecks
DE2161198C3 (de)	1986-07-10	Vorrichtung zur Reinigung der Abluft einer Spritzkabine
DE3534591A1 (de)	1986-05-15	Verfahren und vorrichtung zum reinigen von siebdrucksieben von druckfarbe und druckschablone
EP0903230B1 (fr)	2002-02-06	Procédé et dispositif pour enlever des couchages du stencil sur des pochoirs sérigraphiques
DE2816572A1 (de)	1978-11-30	Vorrichtung zur herstellung einer schablone
DE19616402A1 (de)	1997-11-06	Vorrichtung zum Behandeln von Substraten in einem Fluid-Behälter
DE1610244B1 (de)	1971-12-09	Vorrichtung zur inneren und aeusseren Reinigung eines rohrfoermigen Gegenstandes
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