EP0865830A3 - Colour changer with reversible direction of paint flow - Google Patents

Colour changer with reversible direction of paint flow Download PDF

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Publication number
EP0865830A3
EP0865830A3 EP98104412A EP98104412A EP0865830A3 EP 0865830 A3 EP0865830 A3 EP 0865830A3 EP 98104412 A EP98104412 A EP 98104412A EP 98104412 A EP98104412 A EP 98104412A EP 0865830 A3 EP0865830 A3 EP 0865830A3
Authority
EP
European Patent Office
Prior art keywords
paint
feed line
spray gun
paint feed
line
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.)
Granted
Application number
EP98104412A
Other languages
German (de)
French (fr)
Other versions
EP0865830B2 (en
EP0865830A2 (en
EP0865830B1 (en
Inventor
Stefan Esslinger
Herbert Martin
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.)
Duerr Systems AG
Original Assignee
INLAC IND LACKIERANLAGEN GmbH
INLAC Industrie-Lackieranlagen 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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7822967&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0865830(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by INLAC IND LACKIERANLAGEN GmbH, INLAC Industrie-Lackieranlagen GmbH filed Critical INLAC IND LACKIERANLAGEN GmbH
Publication of EP0865830A2 publication Critical patent/EP0865830A2/en
Publication of EP0865830A3 publication Critical patent/EP0865830A3/en
Application granted granted Critical
Publication of EP0865830B1 publication Critical patent/EP0865830B1/en
Publication of EP0865830B2 publication Critical patent/EP0865830B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B05B12/149—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet characterised by colour change manifolds or valves therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Spray Control Apparatus (AREA)
  • Nozzles (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

Die Erfindung betrifft eine Einrichtung zum Lackieren von Gegenständen mit verschiedenen Farben, die in kreisförmig geführten Farbleitungen (2), die je einer Farbe zugeordnet sind, zur Verfügung stehen, mit einer Spritzpistole (10), einer Farbzuführleitung (8), die eine Lackiermittelverbindung zwischen der kreisförmig geführten Farbleitung (2) und der Spritzpistole (10) herstellt, wobei ein Verdrängerkörper (40) zum Reinigen der Farbzuführleitung (8) in Lackierflussrichtung der Farbzuführleitung bewegbar ist und im Bereich des spritzpistolenseitigen Endes der Farbzuführleitung (8) eine Zuführeinrichtung (20) für ein unter Überdruck stehendes strömbares Medium vorgesehen ist; um die bei längeren Unterbrechungen oder bei einem Farbwechsel zu verwerfende Farbmenge zu reduzieren, ist die Einrichtung erfindungsgemäß so ausgebildet, dass die in der Farbzuführleitung (8) sich befindende Farbe entgegen der Lackierflussrichtung rückführbar ist und dass zum Unterstützen der Farbrückführung in der Farbzuführleitung (8) der flexible, nachgiebig verformbare Verdrängerkörper (40) von dem über die Zuführeinrichtung (22, 36) einströmbaren Medium in der Farbzuführleitung (8) entgegen der Lackierflussrichtung in Rückführrichtung bewegbar und beim anschließenden Spülen der Farbzuführleitung (8) wieder in Richtung zur Spritzpistole (10) zurückbewegbar ist.

Figure 00000001
The invention relates to a device for painting objects with different colors, which are available in circular paint lines (2), each assigned to a color, with a spray gun (10), a paint feed line (8), which connects a paint agent between of the circularly guided paint line (2) and the spray gun (10), a displacer (40) for cleaning the paint feed line (8) being movable in the paint flow direction of the paint feed line and a feed device (20) in the region of the spray gun end of the paint feed line (8) is provided for a flowable medium under excess pressure; In order to reduce the amount of paint to be discarded in the event of longer interruptions or when changing colors, the device is designed according to the invention in such a way that the paint in the paint feed line (8) can be traced in the opposite direction to the paint flow and to support the color return in the paint feed line (8) the flexible, resiliently deformable displacer body (40) can be moved in the paint feed line (8) against the paint flow direction in the return direction by the medium flowing in via the feed device (22, 36) and, when the paint feed line (8) is subsequently rinsed, again in the direction of the spray gun (10) can be moved back.
Figure 00000001
EP98104412A 1997-03-11 1998-03-11 Colour changer with reversible direction of paint flow Expired - Lifetime EP0865830B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19709988 1997-03-11
DE19709988A DE19709988C2 (en) 1997-03-11 1997-03-11 Painting device with several circular color lines

Publications (4)

Publication Number Publication Date
EP0865830A2 EP0865830A2 (en) 1998-09-23
EP0865830A3 true EP0865830A3 (en) 2002-01-30
EP0865830B1 EP0865830B1 (en) 2005-06-08
EP0865830B2 EP0865830B2 (en) 2009-09-16

Family

ID=7822967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98104412A Expired - Lifetime EP0865830B2 (en) 1997-03-11 1998-03-11 Colour changer with reversible direction of paint flow

Country Status (3)

Country Link
EP (1) EP0865830B2 (en)
DE (2) DE19709988C2 (en)
ES (1) ES2242988T5 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19817377B4 (en) * 1998-04-18 2013-01-03 Lactec Gmbh Method and apparatus for supplying paint to at least two atomizers
DE59809327D1 (en) * 1997-07-03 2003-09-25 Lactec Gmbh Painting device
DE19742588B4 (en) * 1997-09-26 2009-02-19 Dürr Systems GmbH Method for serial coating of workpieces
DE19805938A1 (en) * 1998-02-13 1999-08-19 Lactec Gmbh Method and device for coating parts
FR2808709B1 (en) * 2000-05-15 2002-07-19 Eisenmann France Sarl METHOD FOR RECOVERING A COATING FLUID, SUCH AS A PAINT, CONTAINED IN A PLANT
DE10033986A1 (en) 2000-07-13 2002-01-24 Duerr Systems Gmbh Process for using a pig in a coating installation and pig therefor
DE10115470A1 (en) 2001-03-29 2002-10-10 Duerr Systems Gmbh Coating system with an atomizer change station
DE10115472A1 (en) 2001-03-29 2002-10-10 Duerr Systems Gmbh Valve unit for use in electrostatic painting apparatus has an optoelectronic sensor device with light wave conductors and an optoelectronic sensor to sense an indexing position and to generate a corresponding sensing signal.
DE10115463A1 (en) 2001-03-29 2002-10-02 Duerr Systems Gmbh Atomizer for a coating system and process for its material supply
DE10115467A1 (en) 2001-03-29 2002-10-02 Duerr Systems Gmbh Tool changing system for one machine
DE10202711A1 (en) 2002-01-24 2003-07-31 Duerr Systems Gmbh Sprayer unit for electrostatic serial coating of workpieces comprises an electrode array integrated into the ring section of insulating material on the outer housing of the unit
DE10211244A1 (en) * 2002-03-13 2003-10-23 Lactec Ges Fuer Moderne Lackte Painting system for applying liquid coating material
DE10231421A1 (en) 2002-07-11 2004-01-22 Dürr Systems GmbH Method and system for supplying a powder coating device
DE10233198A1 (en) 2002-07-22 2004-02-05 Dürr Systems GmbH rotary atomizers
DE10239516A1 (en) * 2002-08-28 2004-03-18 Dürr Systems GmbH Hose with pig for delivery of electrically conductive fluid paints or varnishes at high voltage comprises an inner layer enclosed in an insulating layer with high voltage resistance
DE10239517A1 (en) 2002-08-28 2004-03-11 Dürr Systems GmbH Coating device with a rotary atomizer and method for controlling its operation
DE10240451A1 (en) 2002-09-02 2004-03-11 Dürr Systems GmbH Sensor arrangement for a coating system
DE10245594A1 (en) 2002-09-30 2004-04-08 Dürr Systems GmbH Collision detection method
US6991178B2 (en) 2003-01-24 2006-01-31 Dürr Systems, Inc. Concentric paint atomizer shaping air rings
DE102004015417A1 (en) * 2004-03-26 2005-10-13 Putzmeister Ag Apparatus and method for cleaning a thick matter delivery line
DE102004038017B4 (en) * 2004-08-04 2012-07-12 Wolfgang Schmidt Process and installation for sequential discharge of different coating materials
DE102004042512A1 (en) * 2004-09-02 2006-03-30 Hydac Accessories Gmbh valve device
US8671495B2 (en) 2006-11-06 2014-03-18 Durr Systems, Inc. Scraper pig
DE102008047118B4 (en) * 2008-09-15 2024-02-01 Dürr Systems Ag Painting system component

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373225A (en) * 1979-07-06 1983-02-15 Friedrich Wilh. Schwing, Gmbh Piping valve with a housing for the transfer of a wiper insertable in conduits that supply pressurized viscous material, preferably concrete
US5221047A (en) * 1991-08-13 1993-06-22 Gmfanuc Robotics Corporation Method and system for cleaning a paint supply line and changing paint colors in production paint operations
DE4423643A1 (en) * 1994-07-06 1996-01-11 Ind Lackieranlagen Schmidt Gmb Spray coating device for different paint colours

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258174A (en) † 1940-01-22 1941-10-07 Chawner William Rupert Apparatus for cleaning conduits
DE8911560U1 (en) * 1989-09-28 1990-01-25 Upmann, Herko, Dipl.-Ing. Spray gun
DE9110650U1 (en) † 1990-09-25 1991-10-24 Streit AG Lack- und Farbenfabrik, Frauenfeld Self-cleaning spray device in a paint spray booth for painting objects; as well as a suitable spray gun
DE4035435C1 (en) † 1990-11-08 1992-03-19 Bayer Ag, 5090 Leverkusen, De Transfer station of pipeline - incorporates by=pass and pig trap system
DE4223054A1 (en) * 1992-07-14 1994-01-20 Gema Volstatic Ag St Gallen Cleaning method for hoses, injectors etc. of powder coating equipment - involves driving one or more oversize sponge plugs through hose with axially aligned compressed air jet whose dia. is less than that of hose

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373225A (en) * 1979-07-06 1983-02-15 Friedrich Wilh. Schwing, Gmbh Piping valve with a housing for the transfer of a wiper insertable in conduits that supply pressurized viscous material, preferably concrete
US5221047A (en) * 1991-08-13 1993-06-22 Gmfanuc Robotics Corporation Method and system for cleaning a paint supply line and changing paint colors in production paint operations
DE4423643A1 (en) * 1994-07-06 1996-01-11 Ind Lackieranlagen Schmidt Gmb Spray coating device for different paint colours

Also Published As

Publication number Publication date
ES2242988T5 (en) 2009-12-14
DE59812844D1 (en) 2005-07-14
ES2242988T3 (en) 2005-11-16
EP0865830B2 (en) 2009-09-16
EP0865830A2 (en) 1998-09-23
DE19709988C2 (en) 2002-01-24
DE19709988A1 (en) 1998-10-01
EP0865830B1 (en) 2005-06-08

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