EP0280645B1 - Appareil de distribution de produits liquides ou pâteux - Google Patents

Appareil de distribution de produits liquides ou pâteux Download PDF

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Publication number
EP0280645B1
EP0280645B1 EP88810025A EP88810025A EP0280645B1 EP 0280645 B1 EP0280645 B1 EP 0280645B1 EP 88810025 A EP88810025 A EP 88810025A EP 88810025 A EP88810025 A EP 88810025A EP 0280645 B1 EP0280645 B1 EP 0280645B1
Authority
EP
European Patent Office
Prior art keywords
bags
propellant
components
containers
housing
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
EP88810025A
Other languages
German (de)
English (en)
Other versions
EP0280645A1 (fr
Inventor
Arndt Bergner
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Priority to AT88810025T priority Critical patent/ATE54073T1/de
Publication of EP0280645A1 publication Critical patent/EP0280645A1/fr
Application granted granted Critical
Publication of EP0280645B1 publication Critical patent/EP0280645B1/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
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/015—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with pneumatically or hydraulically actuated piston or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00583—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes the container for the material to be dispensed being deformable

Definitions

  • the invention relates to a device for squeezing and metered dispensing of flowable multicomponent masses under the action of a blowing agent on flexible bags for the individual components of the mass, each bag being arranged in a separate container.
  • Multi-component compositions are increasingly being used for many industrial and commercial applications for gluing, filling, sealing and the like. To prevent the components from reacting prematurely, the individual components must be stored in separate chambers.
  • each component is arranged in a separate, cylindrical cartridge with an ejection piston which can be displaced therein, which is very complex and leads to high production costs.
  • sealing problems can occur on the squeezing piston at the sometimes very high squeezing pressures. If the ejection piston is not absolutely leak-proof, the ejection device required for processing the cartridges is contaminated.
  • GB-A 1 467 637 discloses a device which is only suitable for pressing out one-component compositions.
  • a liquid propellant is conducted by means of a gear pump from a storage tank to the rear end of an ejection piston which is axially displaceable in a cartridge.
  • the invention has for its object to provide a simple, compact device for pressing components of a multi-component mass arranged in flexible bags in a predetermined mixing ratio.
  • the stated object is achieved in that the propellant is supplied to the containers in each case via a separate metering device designed as a volumetric conveying gear pump, and the gear pumps for the individual components are coupled to one another via a common drive shaft.
  • the gear pumps can be driven by hand or by a motor, do not require valves and can be operated equally well in both delivery directions.
  • the mixing ratio of the components can be kept constant. This coupling of the pumps can be done by directly connecting the pumps via a common drive shaft. The mixing ratio can also be changed by an intermediate manual or change gearbox. Another option is to electronically control the drive motors for the individual pumps.
  • vent valves are operated at the beginning of the squeezing process until the propellant emerges from the vent valves.
  • automatic valves can also be used, which block automatically as soon as liquid enters the valve.
  • the device according to the invention shown in FIG. 1 essentially consists of a housing, generally designated 1, and a cover part connected thereto, generally designated 2.
  • the housing 1 has a handle 1a projecting to the side.
  • a seal 3 is arranged between the housing 1 and the cover part 2.
  • the cover part 2 is provided with a threaded attachment 2a for a press-out connection designated 4 overall.
  • Mixing elements 4a are arranged in the squeeze nozzle 4.
  • the cover part 2 has channels 2b, 2c opening into the threaded attachment 2a. Connection nipples 5 are inserted into one end of the channels 2b, 2c.
  • the housing 1 has two containers 1b arranged parallel to one another, 1 c for bags 6, 7, which contain the components 8, 9 of a multi-component mass.
  • the bags 6, 7 are connected to the cover part 2 via the connection nipple 5.
  • the housing 1 and the cover part 2 each have a vent hole 1d, 2d.
  • the vent holes 1d, 2d are connected to a manually operable vent valve, generally designated 10.
  • the vent valve 10 consists of a valve body 10a, a tappet 10b and a compression spring 1 oc driving the tappet 10b against the valve body 10a.
  • a tank 11 is arranged in the handle 1a and contains a liquid propellant 12, for example a hydraulic oil.
  • the propellant 12 passes through an intake port 13 and an intake line 1 e in the housing 1 to two gear pumps 14, 15 arranged next to one another.
  • the gear pumps 14, 15 are driven by a common drive shaft 16 and are thus coupled to one another.
  • the drive shaft 16 is connected to a ring gear 17.
  • the ring gear 17 is in engagement with a bevel pinion 18 which is connected to the shaft of a motor 19.
  • the motor 19 is driven by a battery 20 arranged in a receiving opening 1 of the housing 1.
  • the battery 20 is secured in the axial direction by a plug 21 and a contact spring 22.
  • the electrical connection of the motor 19 to the battery 20 takes place via a switch 23 arranged on the handle 1a.
  • the motor 19 and thus the gear pumps 14 and 15 can be switched on and off and thus propellant 12 from the tank 11 via pressure lines 1f, 1g are passed into the containers 1b, 1c.
  • the components 8, 9 contained in the bags 6, 7 are pressed out of the latter by the propellant 12 which is passed into the containers 1b, 1c and passed through the channels 2b, 2c into the squeeze nozzle 4.
  • the venting valves 10 air present in the containers 1b, 1c can be removed from the latter at the beginning of the pressing-out process. Such air cushions could otherwise hinder the continuous delivery of components 8, 9.
  • the direction of rotation of the motor 19 can be reversed by means of the switch 23 and the propellant 12 can be conveyed back into the tank 11.
  • the lid part 2 is removed and the empty bags 6, 7 are exchanged for new, filled bags 6, 7.
  • FIG. 2 shows the gear pump 14 with the drive shaft 16 and the suction line 1 and pressure line 1f arranged in the housing 1.

Claims (2)

1. Dispositif d'expulsion et de distribution dosée de masses coulantes à plusieurs constituants par l'action d'un produit propulseur (12) sur des sachets flexibles (6, 7) pour les différents constituants (8, 9) de la masse, chaque sachet (6, 7) étant placé dans un réservoir (1b, 1 c) séparé, caractérisé en ce que les réservoirs (1b, 1c) sont respectivement alimentés en produit propulseur (12) par l'intermédiaire d'un doseur séparé conformé en pompe à engrenages (14, 15) à refoulement volumétrique, et que les pompes à engrenages (14, 15) pour les différents constituants (8, 9) sont couplées entre elles par l'intermédiaire d'un arbre moteur commun (16).
2. Dispositif selon la revendication 1, caractérisé en ce que les réservoirs (1b, 1c) comprennent des soupapes d'évacuation d'air (10).
EP88810025A 1987-02-23 1988-01-20 Appareil de distribution de produits liquides ou pâteux Expired - Lifetime EP0280645B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88810025T ATE54073T1 (de) 1987-02-23 1988-01-20 Abgabevorrichtung fuer fliessfaehige massen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873705741 DE3705741A1 (de) 1987-02-23 1987-02-23 Abgabevorrichtung fuer fliessfaehige massen
DE3705741 1987-02-23

Publications (2)

Publication Number Publication Date
EP0280645A1 EP0280645A1 (fr) 1988-08-31
EP0280645B1 true EP0280645B1 (fr) 1990-06-27

Family

ID=6321568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88810025A Expired - Lifetime EP0280645B1 (fr) 1987-02-23 1988-01-20 Appareil de distribution de produits liquides ou pâteux

Country Status (5)

Country Link
US (1) US4854482A (fr)
EP (1) EP0280645B1 (fr)
JP (1) JPS63232830A (fr)
AT (1) ATE54073T1 (fr)
DE (2) DE3705741A1 (fr)

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Also Published As

Publication number Publication date
DE3860251D1 (de) 1990-08-02
ATE54073T1 (de) 1990-07-15
JPS63232830A (ja) 1988-09-28
US4854482A (en) 1989-08-08
EP0280645A1 (fr) 1988-08-31
DE3705741A1 (de) 1988-09-01

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