EP0503652A2 - Dispositif pour dispenser des matériaux aptes à l'écoulement - Google Patents

Dispositif pour dispenser des matériaux aptes à l'écoulement Download PDF

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Publication number
EP0503652A2
EP0503652A2 EP92104325A EP92104325A EP0503652A2 EP 0503652 A2 EP0503652 A2 EP 0503652A2 EP 92104325 A EP92104325 A EP 92104325A EP 92104325 A EP92104325 A EP 92104325A EP 0503652 A2 EP0503652 A2 EP 0503652A2
Authority
EP
European Patent Office
Prior art keywords
container
pressure
discharge device
pressure vessel
socket
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
EP92104325A
Other languages
German (de)
English (en)
Other versions
EP0503652B1 (fr
EP0503652A3 (en
Inventor
Johann Dipl.-Ing. Maischberger
Burkhard Peitz
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.)
KUKA Systems GmbH
Original Assignee
KUKA Schweissanlagen und Roboter 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
Application filed by KUKA Schweissanlagen und Roboter GmbH filed Critical KUKA Schweissanlagen und Roboter GmbH
Publication of EP0503652A2 publication Critical patent/EP0503652A2/fr
Publication of EP0503652A3 publication Critical patent/EP0503652A3/de
Application granted granted Critical
Publication of EP0503652B1 publication Critical patent/EP0503652B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump

Definitions

  • the invention relates to a discharge device for flowable masses from a container with an outlet nozzle and the features in the preamble of the main claim.
  • Such a discharge device is known from DE-OS 35 44 660. It is a highly compressible container for a medical rinsing liquid, which is housed in a pressure vessel. The pressure acts on the container from the outside and should deform it so strongly that the liquid is conveyed through a discharge line due to the reduction in volume.
  • the outlet connector of the container projects outwards through the cover of the pressure vessel.
  • the discharge line can be plugged in if necessary via a connection in the form of a needle which can be inserted into the container neck.
  • the known discharge device has the disadvantage that it requires containers with a very flexible wall in order to enable a sufficiently large reduction in volume. When the container is deformed, the delivery pressure fluctuates undesirably. This discharge technique also usually leaves a significant amount of the flowable mass in the container, so the emptying is incomplete.
  • Another discharge device is known from DE-AS 21 14 557 and US Pat. No. 3,638,831, in which a container in the form of an open can is placed loosely in the pressure vessel without special anchoring.
  • the discharge line is connected to the lid of the pressure vessel and continues into a riser pipe that almost reaches the bottom of the can Container is sufficient.
  • the discharge pressure acts here in the interior of the container and on the liquid surface. With this discharge device, the liquid can spill over and contaminate the pressure vessel through the open can, which can lead to blockage of the pressure connection and other malfunctions.
  • US Pat. No. 3,889,628 shows a device for coating the inside or outside of tubular bodies with a flowable mass, in particular an adhesive or cement.
  • the mass is located in a container with a riser pipe, which has a pump device on the head for generating a negative pressure or suction pressure in the riser pipe.
  • the flowable mass is sucked out of the storage space via the riser pipe.
  • the negative pressure that arises on the surface is leveled out by compensating holes in the container jacket.
  • a discharge device is known from US Pat. No. 4,422,788 which works with a pressure vessel and excess pressure from a gas cartridge. As in the aforementioned DE-AS 21 14 557, the container with the flowable mass is placed loosely in the pressure chamber.
  • DE-OS 23 28 398 discloses an atomizer with an external pressure source in the form of a gas cartridge.
  • the conveying excess pressure is introduced directly into the container with the flowable mass, the mass being expelled through a riser pipe.
  • a pressure chamber surrounding the bulk container is missing.
  • the atomizer is divided into two, with the pump device being located in the head part.
  • the foot part absorbs the flowable mass. Due to the direct filling, the atomizer requires a considerable amount of cleaning and is less suitable for pasty masses.
  • EP 0 116 830 shows a further application device with a built-in pump.
  • the container with the flowable mass also stands loosely in a pressure chamber and has no screw socket or other connection to the pressure chamber wall.
  • DE-OS 37 24 110 shows a disposable airless spray can with a special compressed gas drive.
  • the latter is designed as a vibration piston pump.
  • the disposable can is foreign to the discharge device designed for multiple use.
  • the invention solves this problem with the features in the main claim.
  • the container is securely attached via its outlet connection in the interior of the pressure vessel, although the delivery pressure can still act in the interior of the container.
  • a spillage of the flowable mass and contamination of the pressure vessel is largely excluded by guiding the outlet nozzle in the socket of the pressure vessel.
  • the discharge device is suitable for any flowable mass. In addition to liquid, this also includes pastes or the like.
  • a preferred area of application is in cleaning or primer liquids in connection with a spray system for the treatment of windows Vehicles such as those used in particular in transfer lines and in vehicle manufacture.
  • the container also represents the transport container, in particular in the form of a transport bottle. This eliminates the need for transfer operations.
  • the overpressure in the interior of the container and in the surrounding pressure vessel is the same, so that the container walls are not subjected to any additional stress during discharge.
  • the relatively thin-walled transport bottles therefore pose no safety risk despite the relatively high delivery pressures.
  • riser pipe that extends to the bottom and is connected to the discharge line on the outside of the pressure container.
  • the riser has the further advantage that it is connected to the socket and is automatically inserted into the outlet port when the container is attached. So the container only needs to be opened and attached to the socket and ready the discharge device is ready for operation after closing the pressure vessel.
  • other variants are also conceivable, for example lateral connections in the container wall or the like.
  • the pressure vessel is preferably constructed in two or more parts.
  • the container in particular in the form of a transport bottle, can thereby be inserted and removed quickly and easily in the holder, in particular screwed in and unscrewed.
  • the invention is shown in the drawing in a longitudinal section, for example and schematically.
  • the discharge device (1) consists of a container (2), here in the form of a bottle, and a pressure vessel (6) which is connected to a discharge line (13).
  • the discharge line (13) is provided at the end with a nozzle (14). It can also be connected to another spraying system.
  • the container (2) contains a flowable mass (5) to be discharged, preferably a so-called primer liquid, as is used in the assembly of panes in the course of the manufacture of a motor vehicle.
  • a so-called primer liquid as is used in the assembly of panes in the course of the manufacture of a motor vehicle.
  • it can also be a cleaning liquid, a paste or the like.
  • the flowable mass (5) is discharged by excess pressure, which acts on the mirror or the surface of the flowable mass (5) inside the container (2).
  • the container (2) is accommodated in a closed pressure vessel (6).
  • a pressure line (16) is connected to the pressure vessel (6) and a vent valve (15) is also provided.
  • the interior of the pressure vessel (6) is larger than the container (2). This results in a pressure chamber (7) surrounding the container (2).
  • the container (2) has a towering outlet nozzle (3) at the upper end. This preferably has an external thread on which a cover can be screwed on for transport purposes.
  • the pressure vessel (6) has in the upper part an inner, essentially annular socket (8) in which the container (2) with its outlet connection (3) can be detachably fastened.
  • the socket (8) preferably has an internal thread, so that there is a screw connection (4) with the outlet connector (3).
  • the socket (8) is only accessible from the interior of the pressure vessel (6) and is sealed off from the outside. It is somewhat longer than the outlet connection (3), whereby a free space (10) is formed above the outlet connection (3).
  • a free space (10) is formed above the outlet connection (3).
  • In the wall of the socket (8) one or more channels (9) are arranged, which open out on the one hand in the free space (10) and on the other hand in the pressure chamber (7).
  • the excess pressure in the pressure chamber (7) is thus conducted into the free space (10) and via the open outlet connection (3) into the interior of the container.
  • the overpressure thus acts on the level of the flowable mass (5) and drives it out.
  • connection (11) is provided for connecting the discharge line (13), which is preferably seated on the holder (8).
  • the connection (11) has a riser pipe (12) which is guided through the roof wall of the socket (8) and projects into the container (2).
  • the riser pipe (12) extends just above the bottom of the container.
  • the overpressure on the surface drives the flowable mass (5) against the external ambient pressure through the riser pipe (12) and the connection (11) into the discharge line (13).
  • the riser pipe (12) is sealed in the holder (8) and fixed rigidly or detachably, for example by screws with sealing washers. The overpressure can therefore not escape from the free space (10) and the socket (8).
  • the pressure vessel (6) consists of two parts, namely a head part (17) and a foot part (18), which are detachably connected to one another by inserting a seal (20) by means of a screw connection (19) or in another way.
  • a screw connection (19) the screw connection (19)
  • bores (21) leading from the pressure chamber (7) to the outside are arranged between the head part (17) and the foot part (18).
  • the seal (20) is arranged towards the pressure chamber (7) in front of the opening of the bores (21) and closes them when the head and foot sections (17, 18) are correctly connected to one another.
  • the head part (17) has a protruding ring-shaped flange designed as a nut, in the wall of which one or more of said bores (21) are arranged.
  • the seal (20) for example an annular seal, sits at a distance from the inner bore opening, so that the bore (21) is accessible from this distance. Only when the bottom part (18) is screwed in correctly does its upper edge lie tightly against the seal (20) and thus close the bore (21) with respect to the pressure chamber (7). If the screw connection (19) is not properly tightened, air can escape from the pressure chamber (7) between the seal (20) and the foot section (18) to the bore (21) and from there to the outside. In this case, no working pressure can build up and the foot part (18) cannot be blasted off to protect against accidents.
  • the head part (17) and the foot part (18) are shaped into the container (2) and preferably have a bottle shape.
  • the socket (8) and the pressure line (16) and the vent valve (15) are arranged at a central point.
  • the elongated foot part (18) can alternatively have a safety valve.
  • the channel (9) is T-shaped and consists of two branch channels connected to one another.
  • the outward end of the horizontal branch channel is closed by a sleeve, a sealing ring or the like, which is drawn on the outside of the socket (8). After removing this part, the duct (9) is accessible from the outside for cleaning and maintenance purposes.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP92104325A 1991-03-15 1992-03-12 Dispositif pour dispenser des matériaux aptes à l'écoulement Expired - Lifetime EP0503652B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9103125U DE9103125U1 (fr) 1991-03-15 1991-03-15
DE9103125U 1991-03-15

Publications (3)

Publication Number Publication Date
EP0503652A2 true EP0503652A2 (fr) 1992-09-16
EP0503652A3 EP0503652A3 (en) 1992-12-02
EP0503652B1 EP0503652B1 (fr) 1994-09-07

Family

ID=6865284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92104325A Expired - Lifetime EP0503652B1 (fr) 1991-03-15 1992-03-12 Dispositif pour dispenser des matériaux aptes à l'écoulement

Country Status (3)

Country Link
EP (1) EP0503652B1 (fr)
DE (2) DE9103125U1 (fr)
ES (1) ES2059171T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994023799A1 (fr) * 1993-04-20 1994-10-27 Pistek Vaclav Recipient sous pression, notamment pour agent extincteur d'incendie
DE4325836A1 (de) * 1993-07-31 1995-02-02 Kleinmichel Klaus Gmbh Vorrichtung zum Austragen einer fließfähigen Masse, vorzugsweise einer Primer-Flüssigkeit

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422190A1 (de) * 1994-06-24 1995-05-04 Adolf Sitterli Mehrwegfähiger Flaschen- oder Behälterverschluß mit eingebautem Ventil und Zapfvorrichtung
DE19648598A1 (de) * 1996-11-25 1998-05-28 Werner Thomas Sprühgerät
DE102010017998B4 (de) * 2010-04-23 2017-06-08 Markus Kress Drucksprühgerät

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889628A (en) * 1973-08-13 1975-06-17 Fischer Ag Georg Fluid material applicator
DE2114557B2 (de) * 1970-03-25 1977-04-14 Loctite Corp., Newington, Conn. (V.St.A.) Vorrichtung zum zuteilen einer erhaertbaren fluessigkeit
AT353377B (de) * 1977-03-01 1979-11-12 Smrt Thomas John Spruehvorrichtung und patrone dafuer
EP0062609A1 (fr) * 1981-03-27 1982-10-13 Plastics Consultency Office AG Récipient distributeur de plusieurs composants avec valve
DE3544660A1 (de) * 1985-12-17 1987-06-19 Herbert Schmid Verfahren und vorrichtung zum ausbringen eines mediums
DE3742466A1 (de) * 1987-12-15 1989-06-29 Vorwerk Co Interholding Verfahren und vorrichtung zur durchmischung feststoffhaltiger suspensionen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2188459A5 (fr) * 1972-06-02 1974-01-18 Truffaut George Ets
GB2042941B (en) * 1978-08-09 1983-04-20 Berger Jenson & Nicholson Ltd Apparatus for feeding a liquid to an applicator
DE3305657A1 (de) * 1983-02-18 1984-08-30 J. Wagner Gmbh, 7990 Friedrichshafen Druckbehaelter zur aufnahme von zu foerdernden fluessigkeiten
DE3724110A1 (de) * 1987-07-21 1989-02-02 Fraunhofer Ges Forschung Einweg-airless-spruehdose mit druckgasantrieb

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2114557B2 (de) * 1970-03-25 1977-04-14 Loctite Corp., Newington, Conn. (V.St.A.) Vorrichtung zum zuteilen einer erhaertbaren fluessigkeit
US3889628A (en) * 1973-08-13 1975-06-17 Fischer Ag Georg Fluid material applicator
AT353377B (de) * 1977-03-01 1979-11-12 Smrt Thomas John Spruehvorrichtung und patrone dafuer
EP0062609A1 (fr) * 1981-03-27 1982-10-13 Plastics Consultency Office AG Récipient distributeur de plusieurs composants avec valve
DE3544660A1 (de) * 1985-12-17 1987-06-19 Herbert Schmid Verfahren und vorrichtung zum ausbringen eines mediums
DE3742466A1 (de) * 1987-12-15 1989-06-29 Vorwerk Co Interholding Verfahren und vorrichtung zur durchmischung feststoffhaltiger suspensionen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994023799A1 (fr) * 1993-04-20 1994-10-27 Pistek Vaclav Recipient sous pression, notamment pour agent extincteur d'incendie
DE4325836A1 (de) * 1993-07-31 1995-02-02 Kleinmichel Klaus Gmbh Vorrichtung zum Austragen einer fließfähigen Masse, vorzugsweise einer Primer-Flüssigkeit

Also Published As

Publication number Publication date
DE9103125U1 (fr) 1992-03-05
ES2059171T3 (es) 1994-11-01
EP0503652B1 (fr) 1994-09-07
DE59200455D1 (de) 1994-10-13
EP0503652A3 (en) 1992-12-02

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