EP3165288A1 - Dispositif de vaporisation - Google Patents

Dispositif de vaporisation Download PDF

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Publication number
EP3165288A1
EP3165288A1 EP15193434.6A EP15193434A EP3165288A1 EP 3165288 A1 EP3165288 A1 EP 3165288A1 EP 15193434 A EP15193434 A EP 15193434A EP 3165288 A1 EP3165288 A1 EP 3165288A1
Authority
EP
European Patent Office
Prior art keywords
fluid
gas
metering
spray
spraying
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
EP15193434.6A
Other languages
German (de)
English (en)
Other versions
EP3165288B1 (fr
Inventor
Horst Kelsch
Daniel Müller
Andreas Kirmeier
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.)
Viscotec Pumpen und Dosiertechnik GmbH
Original Assignee
Viscotec Pumpen und Dosiertechnik 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 Viscotec Pumpen und Dosiertechnik GmbH filed Critical Viscotec Pumpen und Dosiertechnik GmbH
Priority to EP15193434.6A priority Critical patent/EP3165288B1/fr
Publication of EP3165288A1 publication Critical patent/EP3165288A1/fr
Application granted granted Critical
Publication of EP3165288B1 publication Critical patent/EP3165288B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/061—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with several liquid outlets discharging one or several liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • B05B7/0823—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter comprising a rotatable spray pattern adjusting plate controlling the flow rate of the spray shaping gas jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0876—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form parallel jets constituted by a liquid or a mixture containing a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/1606—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed the spraying of the material involving the use of an atomising fluid, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/1693—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed with means for heating the material to be sprayed or an atomizing fluid in a supply hose or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001—Pumps for particular liquids
    • F04C13/002—Pumps for particular liquids for homogeneous viscous liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2220/00—Application
    • F04C2220/24—Application for metering throughflow

Definitions

  • the present invention relates to a spraying device for spraying a fluid.
  • a Venturi nozzle comprises a smooth-walled pipe section with a narrowing of the cross section, for example by two oppositely directed cones, which are united at the point of their smallest diameter.
  • a pick-up tube is placed, via which the fluid to be sprayed can be supplied.
  • the supplied fluid is entrained and sprayed by means of a gas flowing through the venturi, for example air.
  • an object of the present invention is to provide an improved spraying apparatus.
  • the spraying device comprises a metering device, in particular an eccentric screw pump, for the volumetric metering of the fluid and a spraying device, which is set up to spray the fluid metered by the metering device with the aid of a gas.
  • the metering device is in particular a first metering device of the spraying device.
  • the spray device may comprise a plurality, for example two, metering devices.
  • the metering device preferably comprises a stator accommodated in a pump housing of the metering device, which has an elastically deformable elastomer part with a central opening.
  • the breakthrough preferably comprises a helical or helical inner contour.
  • a rotatable rotor is preferably provided, the a corresponding to the elastomeric part screw or helical outer contour comprises.
  • the rotor can be driven via a drive shaft mounted in a bearing housing of the metering device.
  • a drive device in particular an electric motor, can preferably be connected to the drive shaft.
  • the drive shaft may be fixedly connected to the rotor by means of a flexible shaft or flex shaft.
  • the fluid is conveyed away from the endless-piston drive shaft by interaction with the elastomeric part of the stator in a longitudinal direction of the sprayer.
  • the delivery volume depends on the speed and size of the rotor.
  • volumetric dosing is meant that the fluid discharge takes place exclusively volume and thus volume-related.
  • the fluid to be metered is weighed with a weighing device.
  • a temperature sensor can be used to determine a temperature of the fluid.
  • the temperature sensor may be provided in the fluid or in the pump housing. With the help of the temperature of the fluid detected by the temperature sensor, the delivery volume can be readjusted. As a result, heat-related volume changes of the fluid are compensated and dose inaccuracies avoided.
  • the fluid may be, for example, an adhesive or sealant, water, an aqueous solution, a paint, a suspension, a viscous raw material, an emulsion, or a fat.
  • the fluid may have one or more than one component.
  • the fluid may be a two-component adhesive.
  • the gas is preferably air.
  • the gas may also be oxygen, carbon dioxide, nitrogen, a noble gas or other gas.
  • the fact that the fluid is metered volumetrically, this can be sprayed with high accuracy.
  • metering of the fluid can be independent of the pre-spraying thereof.
  • the venturi effect is not used for spraying the fluid. This prevents the fluid from being torn out of a metering needle of the metering device becomes. As a result, a spalling or islanding is prevented on a substrate to be sprayed.
  • the gas can be switched on before the metering of the fluid and switched off again only after the metering has ended. That is, the metered with the metering amount of fluid can be slowly increased with switched on gas to the desired metering and also be continuously reduced with still switched on gas. As a result, a ramp-like starting and stopping the spraying process is possible.
  • the volume flow of the fluid and the volume flow of the gas can be controlled independently. As a result, the spray pattern is variably variable to a large extent.
  • a method for operating the spraying device comprises a, in particular first, step of volumetric metering of the fluid and a, in particular second, step of spraying the metered fluid with the aid of the gas.
  • the steps can be performed simultaneously or with a time delay.
  • the spraying device further comprises a heating and / or cooling device for heating or cooling the fluid in order to change its viscosity.
  • the heating or cooling of the fluid whose spray properties can be changed can be used to heat a highly viscous fluid in order to reduce its viscosity.
  • a low viscosity fluid can be cooled to increase its viscosity. This makes it possible to spray both low-viscosity and high-viscosity fluids.
  • a control device of the spray device can readjust the metering of the fluid with the aid of the determined temperature of the fluid by accessing a viscosity table stored in the control device. hereby Dosage inaccuracies can be prevented by thermal expansion of the fluid.
  • the heating and / or cooling device is arranged in a pump housing of the metering device.
  • the heating and / or cooling device can be arranged on the outside of the pump housing in the form of a sleeve.
  • the heating and / or cooling device further comprises a temperature sensor, which is preferably also arranged in the pump housing.
  • the heating and / or cooling device further comprises a printed circuit board or board on which heating and / or cooling elements such as heating cartridges and / or Peltier elements are arranged. On the circuit board, a plug for connecting the heating and / or cooling device may be further provided with the control device of the spray device.
  • the spray device comprises a spray head with a gas cap and a dispensing needle, which is guided through the gas cap, wherein the dispensing needle protrudes in a longitudinal direction of the spray device on the gas cap.
  • the dispensing needle can also be flush with the gas cap or shorter than this. This means that the dispensing needle can be behind the gas cap.
  • the dosing needle can be located 0 to 1 mm behind the gas cap.
  • the spray head preferably further comprises an air or gas housing with a gas supply line.
  • the gas supply line may include a quick release for connecting a gas line.
  • the air or gas cap is preferably secured by means of a union nut on the gas housing.
  • the union nut may have a knurling on the outside, so that it can be unscrewed without tools.
  • the gas cap is in particular exchangeable for adaptation to different fluids and / or for changing the spray pattern.
  • the gas cap preferably has a conical bore, in which the preferably also outside conical dispensing needle is arranged.
  • the dispensing needle and / or the gas cap can be surface-treated, in particular surface-coated, hardened or passivated.
  • the dispensing needle and / or the gas cap can be surface-treated such that very reactive and / or abrasive fluids can be sprayed.
  • the gas cap on the inside and / or the dispensing needle on the outside of a diamond-like amorphous carbon coating (Diamond-Like Carbon, DLC) have.
  • the dispensing needle protrudes beyond the gas cap with a predetermined projection.
  • the predetermined supernatant may for example be 0 to 1 mm.
  • the dispensing needle can also be flush with the gas cap.
  • the supernatant can be changeable.
  • the fact that the dispensing needle protrudes beyond the gas cap, in addition to the spraying of the fluid and a dosing of the same is possible directly to a substrate.
  • the dispensing needle can be negative and the substrate can be positive or, conversely, electrically charged. As a result, a better spray pattern, a better edge sharpness and less blobbing are achieved.
  • a circumferential gap for the gas is provided between the gas cap and the dispensing needle.
  • the gap preferably surrounds the dispensing needle like a jacket.
  • an annular circumferential gas passage for distributing the gas is preferably provided in the gas housing.
  • the spray head comprises a swirl element for swirling the gas.
  • the vortex element may be provided in the circumferential gap. There may be more than one vortex element.
  • helical or spiral ribs and / or helical or spiral cut-outs adapted to fluidize the gas may be provided on the dispensing needle and / or on the gas cap. As a result, the gas enters with a Spin out of the spray head. As a result, a sharper edge and more uniform spray pattern is achieved.
  • the vortex element is made of a porous plastic, ceramic or metal material.
  • the vortex element may for example be made of a sintered ceramic or metal material.
  • the vortex element can be made of aluminum or steel.
  • the fluid flows through the vortex element.
  • the entire gap between the dispensing needle and the gas cap is filled with the porous vortex element.
  • the vortex element may be in one piece or in several parts.
  • the gas flows through the vortex element. With the help of the vortex element, the gas can be indeterminate, that is chaotic, swirling.
  • the dispensing needle is termed Kirby-Wetrachlorosarbic metering device.
  • the tail is firmly connected to the pump housing, for example screwed.
  • the stator may be clamped between the pump housing and the tail.
  • the dispensing needle may be screwed into the end piece.
  • the dispensing needle may be integrally formed with the end piece.
  • dead space optimization can be achieved. This is particularly advantageous in a filigree design of the spray head.
  • both the dispensing needle and the gas cap are interchangeable.
  • the dispensing needle and / or the gas cap are adjustable in length.
  • the gas cap on a gas pipe, whose length is adjustable, for example by means of a locking fitting.
  • the gas cap is adjustable in length, the supernatant of the dispensing needle can be adjusted via the gas cap.
  • a spray angle of the spray device can be adjusted without an exchange of components.
  • the gas cap may include a tubular gas cap extension.
  • a length of the gas cap process extension is preferably arbitrary.
  • the dispensing needle may have a dispensing needle extension corresponding to the gas cap extension, which protrudes in the longitudinal direction preferably over the gas cap extension.
  • the dispensing needle can be designed as an exchangeable disposable component.
  • the dispensing needle may be a disposable cannula.
  • the dispensing needle may have a connection body made of a plastic material and a cannula.
  • the connecting body preferably has an inner cone into which a corresponding outer cone of the end piece can be inserted.
  • the inner cone and the outer cone can form a luer-lock connection.
  • the metering device is adapted for the volumetric metering of a first component of the fluid, wherein the spraying device comprises a further metering device, in particular an eccentric screw pump, for the volumetric metering of a second component of the fluid.
  • a spray device for spraying a fluid with a first metering device in particular a first eccentric screw pump for volumetric metering of a first component of the fluid
  • a second metering device in particular a second eccentric screw pump, for volumetric metering of a second component of the fluid and a spray device
  • a spray device which is adapted to spray the fluid with the aid of a gas.
  • the spraying device is a common spraying device of the first metering device and the second metering device.
  • the spraying device is set up to spray the first component metered by the first metering device and the second component of the fluid metered by the second metering device with the aid of the gas.
  • the fluid may include other components in addition to the first component and the second component.
  • the fluid may be, for example, a two-component adhesive. The components may be mixed either before spraying or during spraying into the fluid.
  • the spraying device comprises a mixing chamber for mixing the first component of the fluid with the second component of the fluid before spraying the fluid by means of the spraying device.
  • the mixing chamber is particularly suitable for mixing ratios of the components from 1: 1 to 1: 5. Alternatively, can be dispensed with the mixing chamber.
  • the spraying device further comprises a mixing element arranged in the mixing chamber for dynamically mixing the first component of the fluid with the second component of the fluid.
  • the mixing element may also be referred to as a dynamic mixing element.
  • the mixing element is preferably rotatably arranged in the mixing chamber.
  • the mixing element is driven via a mixing element drive shaft.
  • the mixing element drive shaft can be driven for example by means of an electric motor.
  • the spraying device further comprises a static mixer arranged in the mixing chamber for mixing the first component of the fluid with the second component of the fluid.
  • a static mixer is a fixture that achieves the desired mixing and dispersion effects by flowing the components of the fluid through rigid mixing elements.
  • the spraying device further comprises a spray head with a dispensing needle, which is adapted to mix the first component of the fluid with the second component of the fluid.
  • the dispensing needle can be made in several parts.
  • the dispensing needle comprises an inner part with a central first fluid channel, through which the first component of the fluid is conveyed.
  • the dispensing needle may further comprise an outer part which is attached to the inner part. Between the inner part and the outer part, a second fluid channel may be provided, through which the second component of the fluid is conveyed.
  • the second fluid channel encloses the inner part like a jacket. That is, in the dosing of the components of the fluid they are not mixed but emerge as two components of the dispensing needle on the front side. The mixing of the components takes place in that the components are swirled during the spraying with the aid of the gas and thereby mixed.
  • the dispensing needle comprises a static mixing element.
  • the static mixing element may also be referred to as a static mixer.
  • the static mixer may be provided in the dispensing needle. That is, the first component and the second component are mixed in dosing.
  • spraying device also include combinations of non-explicitly mentioned combinations of features or embodiments described above with regard to the exemplary embodiments.
  • the expert will also add individual aspects as improvements or additions to the respective basic form of the spray device.
  • the Fig. 1 shows a schematic perspective view of an embodiment of a spray device 1 for spraying a fluid.
  • the Fig. 2 shows a schematic side view of the spray device 1.
  • the Fig. 3 shows a schematic rear view of the spray device 1.
  • the Fig. 4 shows a schematic sectional view of the spray device 1 according to the section line A - A of Fig. 2 and the Fig. 5 shows a schematic sectional view of the spray device 1 according to the section line B - B of Fig. 3 , The following is on the Fig. 1 to 5 simultaneously referred to.
  • the spray device 1 is adapted to fluids or fluid media, such as adhesives or sealants, paints, suspensions, viscous raw materials, To dose and spray emulsions or greases.
  • the fluid may be one-component or multi-component.
  • the spraying device 1 comprises a, in particular first, metering device 2 for the volumetric metering of the fluid.
  • volumetric dosing is meant that the fluid discharge takes place exclusively volume and thus volume-related.
  • the fluid to be metered is weighed with a weighing device.
  • the metering device 2 is an eccentric screw pump.
  • the spraying device 1 comprises a symmetry or central axis M 1 and oriented in the direction of the central axis M 1 longitudinal direction L1.
  • the metering device 2 comprises a rotatably mounted in a bearing housing 3 drive shaft 4.
  • the drive shaft 4 is a hollow shaft.
  • the drive shaft 4 is preferably made of a steel material and the bearing housing 3 is preferably made of a metal material, such as aluminum or steel, or a plastic material.
  • the drive shaft 4 is rotatably supported in the bearing housing 3 by means of rolling bearings 5, 6.
  • the rolling bearings 5, 6 can be designed as a double-row angular contact ball bearings.
  • the rolling bearings 5, 6 are secured by means of a securing ring 7 in the axial direction in the bearing housing 3.
  • a drive device in particular an electric motor, can be connected on the drive shaft 4.
  • the drive device can be coupled to the drive shaft 4 with the aid of a dog clutch 8.
  • the dog clutch 8 may be made of an elastomeric material.
  • the drive shaft 4 is further passed through a fixedly connected to the bearing housing 3 seal housing 9.
  • the bearing housing 3 and the seal housing 9 may be formed rotationally symmetrical to the central axis M 1 .
  • the sealing devices 10 to 12 may be, for example, shaft sealing rings.
  • the bearing housing 3 is by means of fastening means 13, of which in the Fig. 3 and 4 only one is provided with a reference numeral, bolted to the seal housing 9.
  • the fastening means 13 may be, for example, hexagon socket screws.
  • a sealing element 14 may be provided between the bearing housing 3 and the seal housing 9, a sealing element 14 may be provided.
  • the sealing element 14 may be an O-ring.
  • the seal housing 9 is preferably made of a metal material, such as aluminum or steel, or a plastic material.
  • the metering device 2 further comprises a pump housing 15.
  • the pump housing 15 is preferably made of a metal material, such as aluminum or steel, or a plastic material.
  • the pump housing 15 may also be formed rotationally symmetrical to the central axis M 1 .
  • a sealing element 16 in particular an O-ring, can be arranged between the seal housing 9 and the pump housing 15, a sealing element 16, in particular an O-ring, can be arranged.
  • the pump housing 15 can be firmly connected to the bearing housing 3 and / or the seal housing 9, in particular screwed, be. In this case, the seal housing 9 is arranged between the bearing housing 3 and the pump housing 15.
  • the stator 17 comprises a tubular outer part 18, which is preferably made of a metal material, such as aluminum or steel, or a plastic material, such as polyethylene or polypropylene, and an elastomeric part 19, which is made of an elastomeric material.
  • the outer part 18 may also be referred to as stator jacket or stator tube.
  • the elastomer part 19 has a central opening with a helical or helical inner geometry or inner contour.
  • the stator 17 is secured in the pump housing 15 by means of a feather key or a dowel pin 20 from twisting.
  • the stator 17 is arranged between a shoulder 21 provided in the pump housing 15 and an end piece 22 of the metering device 2.
  • the end piece 22 is preferably made of a metal material, such as aluminum or steel, or a plastic material.
  • the end piece 22 is bolted to the pump housing 15, for example.
  • the stator 17 is clamped axially in the longitudinal direction L 1 between the pump housing 15 and the end piece 22.
  • a rotatable rotor 23 is arranged in the stator 17, a rotatable rotor 23 is arranged.
  • the rotor 23 may be made of steel, aluminum or a plastic material.
  • the rotor 23 has a helical or helical outer geometry or outer contour.
  • the rotor 23 is fixedly connected to the drive shaft 4 by means of a flexible shaft or flexible shaft 24.
  • the flex shaft 24 may be provided on the outside with a coating or a passivation.
  • the flex shaft 24 may be surrounded by a rubber jacket. As a result, a chemical reaction of the fluid with the material of the flex shaft 24 is excluded.
  • the stator 17 and the rotor 23 are interchangeable, so that the delivery volume of the metering device 2 is variable.
  • the metering device 2 can be supplied with the fluid.
  • the supply port 25 may also be referred to as product input.
  • the feed opening 25 is oriented perpendicular to the central axis M 1 .
  • the fluid enters from the supply opening 25 into a receiving space 71 provided in the pump housing 15.
  • the receiving space 71 may also be referred to as a pump interior.
  • the receiving space 71 is provided in the pump housing 15 bore extending in the longitudinal direction L 1 . In the receiving space 71 and the flex shaft 24 is arranged. From the receiving space 71, the fluid is transported by means of the rotating rotor 23 in the longitudinal direction L 1 in the direction of the end piece 22.
  • the metered volume is speed-dependent.
  • a tubular venting device 26 for venting the metering device 2 can furthermore be provided on the pump housing 15.
  • the venting device 26 is screwed into a provided on the pump housing 15 vent hole 27.
  • the vent hole 27 may be arranged perpendicular to the central axis M 1 .
  • the end piece 22 and the pump housing 15 may be pinned together by means of dowel pins 28 and additionally screwed.
  • the metering device 2 further comprises a heating and / or cooling device 29.
  • the heating and / or cooling device 29 may be provided on the outside of the pump housing 15 in the form of a sleeve.
  • the viscosity of the fluid can be changed.
  • highly viscous fluids can be heated with the aid of the heating and / or cooling device 29 in order to reduce their viscosity, as a result of which even highly viscous fluids can be metered easily and reliably with the aid of the metering device 2.
  • the heating and / or cooling device 29 may also be adapted to reduce the viscosity of the fluid by cooling, whereby low-viscosity fluids with the aid of the metering device 2 are easily and reliably metered.
  • the heating and / or cooling device 29 may have a plurality, for example two, heating and / or cooling elements 30, 31.
  • the heating and / or cooling elements 30, 31 can be, for example, heating cartridges or Peltier elements.
  • the heating and / or cooling device 29 further comprises a temperature sensor, not shown, and a printed circuit board 32.
  • a plug 33 (FIG. Fig. 2 ) be provided on the circuit board 32. With the help of the plug 33, the heating and / or cooling device 29 can be connected to a control device.
  • the heating and / or cooling device 29 is optional.
  • the spraying device 1 further comprises a spraying device 34, which is set up to spray the fluid metered by the metering device 2 with the aid of a gas.
  • the gas is particularly pressurized.
  • the gas may be, for example, air, carbon dioxide, nitrogen, a noble gas or any other gas.
  • the gas is air.
  • the spraying device 34 comprises a gas housing 35, which by means of fastening means 36, of which in the Fig. 4 only one is provided with a reference numeral, is fixedly connected to the end piece 22.
  • the gas housing 35 may also be referred to as an air housing.
  • the gas housing 35 is preferably made of a metal material, such as aluminum or steel, or a plastic material.
  • the fasteners 36 may be, for example, hexagon socket screws. Between the end piece 22 and the gas housing 35, a sealing element 37, in particular an O-ring, can be arranged.
  • a gas supply line 38 is provided on the gas housing 35.
  • the gas supply line 38 is formed for example as L-push-in fitting.
  • the gas supply line 38 may be screwed into a provided on the gas housing 35 gas supply hole 39.
  • the gas supply hole 39 is arranged, for example, perpendicular to the central axis M 1 .
  • the gas supply line 38 is adapted to divert the gas by 90 °.
  • the gas supply line 38 may have a quick release for connecting a gas line thereto.
  • the spray device 34 comprises a spray head 40 with a metering needle 41 associated with the metering device 41 and a gas cap 42.
  • the gas cap 42 may also be referred to as an air cap.
  • the gas cap 42 is preferably made of a metal material, such as aluminum or steel, or a plastic material.
  • the dispensing needle 41 is preferably made of a metal material, such as aluminum or steel, or a plastic material.
  • the dispensing needle 41 is termein Publishedig formed with the end piece 22 or is, as in the Fig. 4 and 5 shown frontally screwed into the end piece 22.
  • the gas cap 42 has a central conical opening through which the dispensing needle 41 is passed. In this case, between the dispensing needle 41 and the gas cap 42 a metering needle 41 shell-shaped circumferential gap 43 is formed for the gas.
  • Fig. 2 shows the metering needle 41 and the gas cap 42 can be replaced.
  • the spray pattern of the spray device 1 can be changed and / or an adaptation of the spray head 40 to different fluids.
  • vortex elements or vertebral bodies for swirling the gas may be provided in the gap 43.
  • screw-shaped or spiral-shaped ribs and / or helical or spiral cut-outs may be provided on the dispensing needle 41 and / or on the gas cap 42 are designed to swirl the gas.
  • the gas exits the spray head 40 with a twist.
  • the metering needle 41 on the outside and / or the gas cap 42 may be surface-treated on the inside, for example passivated, hardened or coated.
  • a DLC coating can be used.
  • very reactive and / or abrasive fluids can be sprayed.
  • the gas cap 42 is connected by means of a union nut 44 with the gas housing 35.
  • the union nut 44 can, as in the Fig. 2 shown, have a knurling 45 on the outside. As a result, an easy replacement of the gas cap 42 is possible.
  • the dispensing needle 41 can protrude in the longitudinal direction L 1 by a supernatant a via the gas cap 42. Alternatively, the dispensing needle 41 may be flush with or behind the gas cap 42.
  • the supernatant a may be for example 0 to 1 mm.
  • the gap 43, the gas is supplied via a ring around the end piece 22 encircling gas channel 46. Between the gas cap 42 and the end piece 22, a sealing element 68, in particular an O-ring, is provided.
  • the operation of the spray device 1 will be explained below.
  • About the supply port 25 of the spray device 1 is supplied to the fluid to be sprayed.
  • the amount of fluid to be metered is adjusted via the rotational speed of the rotor 23.
  • the metering can initially be carried out independently of the spraying.
  • the metered amount of the fluid can also be influenced by different geometries of the rotor 23 and / or of the stator 17.
  • the pressurized gas is supplied, which is distributed uniformly via the gas channel 46.
  • the gas exits via the gap 43 on the front side of the gas cap 42, wherein the escaping gas travels with the exiting from the dosing needle 41 fluid and sprayed.
  • the gas is preferably vortexed, whereby a particularly uniform and sharp-edged spray pattern can be generated.
  • a different spray pattern on a substrate to be sprayed can be achieved with a constant gas flow.
  • the dosage of the fluid is purely volumetric and not by a Venturi effect.
  • the gas can be switched on before the metering of the fluid and turned off only after the completion of dosing. That is, the metered with the metering device 2 amount of fluid can be slowly increased with switched on gas to the desired metering and also be continuously reduced with still switched on gas. As a result, a ramp-like starting and stopping the spraying process is possible.
  • the gas can also be supplied in pulses.
  • a temperature sensor can be used to determine a temperature of the fluid.
  • a control device of the spray device 1 can readjust the metering of the fluid with the aid of the determined temperature of the fluid by accessing a viscosity table stored in the control device. As a result, metering inaccuracies can be prevented by thermal expansion of the fluid.
  • the temperature sensor may be associated with the heating and / or cooling device 29.
  • the fluid can also be dispensed directly onto the substrate to be sprayed with the aid of the spray device 1.
  • a dam from the fluid to be sprayed can be applied, which is subsequently sprayed with the fluid in a second step with the aid of the gas.
  • the gas preferably has a twist on exit from the gas cap 42.
  • the gas cap 42 on the inside and / or the dispensing needle 41 may be provided on the outside with a spiral contour.
  • the dispensing needle 41 can be negative and the substrate be positive or vice versa electrically charged. As a result, a better spray pattern, a better edge sharpness and less blobbing are achieved. Because the volume flow of the fluid and the volume flow of the gas can be regulated independently of one another, a particularly large operating range for the spray device 1 results.
  • the Fig. 6 shows a further embodiment of a spraying device 1.
  • the spraying device 1 comprises a first metering device 2 and a second metering device 47.
  • the metering devices 2, 47 may be of identical or different construction.
  • the metering devices 2, 47 can be constructed identical to the metering device 2 according to FIG Fig. 1 to 5 be.
  • the metering devices 2, 47 may be configured to volumetrically meter different amounts of two components of a fluid.
  • the first metering device 2 is adapted to volumetrically meter a first component of the fluid and the second metering device 47 is adapted to meter a second component of the fluid.
  • the fluid may be, for example, a two-component adhesive.
  • Each metering device 2, 47 has a pump housing 15.
  • the pump housing 15 may be firmly connected to each other. Alternatively, the pump housing 15 may also be made of one piece material.
  • a stator 17 and a rotatable rotor 23 are accommodated in each case.
  • the rotor 23 has a helical or helical outer geometry or outer contour.
  • the stator 17 comprises a tubular outer part 18, which is received by means of a dowel pin 20 rotationally fixed in the pump housing 15.
  • the stator 17 further comprises an elastomeric member 19 made of an elastomeric material.
  • the elastomer part 19 has a helical or helical outer geometry or outer contour.
  • the stator 17 is clamped axially between the pump housing 15 and an end piece 22 of the respective metering device 2, 47.
  • the spray device 1 further comprises a common spray device 34 with a spray head 40.
  • the spray head 40 comprises a gas housing 35 which is fixedly connected to the end piece 22, for example screwed. On the gas casing 35, a gas supply pipe 38 for supplying a gas is provided. In the gas housing 35, a first fluid channel 48 and a second fluid channel 49 are further provided. Through the first fluid channel 48, the first component of the fluid and through the second fluid channel 49, the second component of the fluid is conveyed.
  • the fluid channels 48, 49 also pass through a first connection plate 55 which connects the spray head 40 to the pump housings 15.
  • the fluid channels 48, 49 meet at a mixing chamber 50 in which the first component of the fluid and the second component of the fluid mix with each other.
  • the mixing chamber 50 is provided in a second connecting plate 73.
  • a static mixer may be provided in the mixing chamber 50.
  • a static mixer is a fixture that achieves the desired mixing and dispersion effects by flowing the components of the fluid through rigid mixing elements. The energy required for mixing is provided by the metering devices 2, 47.
  • the mixing chamber 50 is particularly suitable for mixing ratios of the components of 1: 1 to 1: 5.
  • the spray head 40 further comprises a gas cap 42 which is secured by means of a union nut 44 to the gas housing 35.
  • the gas cap 42 has a central conical bore through which a dispensing needle 41 is passed.
  • the dispensing needle 41, the connecting plate 55 is screwed.
  • the dispensing needle 41 may extend in a longitudinal direction L 1 of the spray device 1 via the gas cap 42.
  • the first component and the second component of the fluid are metered by the respective metering device 2, 47 and supplied to the mixing chamber 50.
  • the mixing chamber 50 the two components mix and are metered via the dispensing needle 41.
  • the gas flows via the gas supply line 38 into the gas housing 35 and is via a gas channel 46 and a metering needle 41 annular circumferential gap 43 distributed.
  • the gas flows around the metering needle 41 like a jacket and travels with the fluid for spraying.
  • the Fig. 7 shows a further embodiment of a spraying device 1.
  • the spraying device 1 according to the Fig. 7 differs from the spray device 1 according to the Fig. 6 essentially in that the spray device 1 according to the Fig. 7 has no mixing chamber 50.
  • the dispensing needle 41 is here executed in several parts.
  • the dispensing needle 41 comprises an inner part 51 with a central fluid channel 52, which is fluidically connected to the first fluid channel 48 and through which the first component of the fluid is conveyed.
  • the dispensing needle 41 further comprises an outer part 53, which is attached to the inner part 51. Between the inner part 51 and the outer part 53, a fluid channel 54 is provided, which is fluidically connected to the second fluid channel 49 and through which the second component of the fluid is conveyed.
  • the fluid channel 52 may be referred to as the first fluid channel of the dispensing needle 41 and the fluid channel 54 may be referred to as the second fluid channel of the dispensing needle 41.
  • the fluid channel 54 surrounds the inner part 51 like a shell. That is, when dosing the components of the fluid they are not mixed but emerge as two components of the dispensing needle 41 on the front side. The mixing of the components takes place in that the components are swirled and mixed during the spraying with the aid of the gas.
  • the Fig. 8 shows a further embodiment of a spray device 1.
  • the embodiment of the spray device 1 according to the Fig. 8 differs from the embodiment of the spray device 1 according to the Fig. 6 essentially in that a static mixer or a static mixing element 72 is provided instead of the mixing chamber 50 in the dispensing needle 41.
  • the gas cap 42 is termed between the gas housing 35 and the end piece 22, the connecting plate 55 for connecting the metering devices 2, 47 and an intermediate plate 56 is provided.
  • the gas cap 42 is termed with the gas housing 35. Screwed to the gas cap 42 is a tubular gas cap extension 57.
  • the gas cap extension 57 may also be formed integrally with the gas cap 42.
  • the dispensing needle 41 also has a tubular Dosiernadelverinrung 58, in which a static mixer can be arranged.
  • the dispensing needle 41 may protrude beyond the gas cap extension 57 in the longitudinal direction L 1 .
  • the two components are mixed together in the dispensing needle 41, in particular in the Dosiernadelverinrung 58 and then sprayed.
  • the Fig. 9 shows a further embodiment of a spraying device 1.
  • the spraying device 1 according to the Fig. 9 differs from the spray device 1 according to the Fig. 6 in that a mixing element 59 for dynamically mixing the first component of the fluid with the second component of the fluid is arranged in the mixing chamber 50.
  • the mixing element 59 is non-rotatably connected to a mixing element drive shaft 60.
  • the mixing element drive shaft 60 can be driven, for example, by means of an electric motor.
  • the 10 to 15 each show in a schematic sectional view of various embodiments of a spray device 1 with different spray heads 40.
  • the embodiments of the spray head 40 according to the 10 to 15 is both for the spray device 1 according to the Fig. 1 to 5 , of the Fig. 6 , of the Fig. 7 , of the Fig. 8 as well as the Fig. 9 suitable.
  • the Fig. 10 shows an embodiment of the spray head 40, wherein the gas cap 42 has a tubular gas cap extension 61.
  • a length of the gas cap extension 61 is arbitrary.
  • the dispensing needle 41 has a dispensing needle extension 62 corresponding to the gas cap extension 61.
  • the metering needle extension 62 can protrude beyond the gas cap extension 61 in the longitudinal direction L 1 .
  • the dispensing needle 41 is screwed into the end piece 22.
  • the dispensing needle 41 may be integrally formed with the end piece 22 material.
  • the spray head 40 according to the Fig. 10 is particularly suitable for applications in which only a small amount of space for spraying the fluid is available.
  • the Fig. 11 shows an embodiment of the spray head 40, in which the dispensing needle 41 is integrally formed with the end piece 22 material. Otherwise corresponds to the spray head 40 in the Fig. 1 to 5 shown spray head 40.
  • the spray head 40 according to the Fig. 11 is particularly suitable to avoid dead spaces. For example, this is advantageous for precision in small doses.
  • the Fig. 12 shows an embodiment of the spray head 40, in which the dispensing needle 41 is designed as a disposable or disposable.
  • the dispensing needle 41 is a disposable cannula used in medical technology.
  • the dispensing needle 41 has a connecting body 63 made of a plastic material and a cannula 64, wherein the connecting body 63 can be injection-molded onto the cannula 64 in a plastic injection molding process or glued to it.
  • the connection body 63 has an inner cone 65 into which an outer cone 66 of the end piece 22 can be inserted.
  • the inner cone 65 and the outer cone 66 form a Luer-lock connection.
  • Luer-Lock is a standardized connection system for medical tubing systems. As a result, the dispensing needle is particularly easy and quick to replace.
  • a sealing element 67 in particular an O-ring may be arranged between the inner cone 65 and the outer cone 66.
  • the outer cone 66 is preferably formed integral with the end piece 22 material.
  • the gas cap 42 is formed to surround the terminal body 63.
  • vortex elements 69 are provided for swirling the gas.
  • the vortex elements 69, the Gas cap 42 inside, for example, helical or helical rotate around to put the gas in a twist.
  • the Fig. 13 shows an embodiment of the spray head 40, wherein the gas cap 42 is adjustable.
  • the embodiment of the spray head 40 according to the Fig. 13 differs from the embodiment of the spray head 40 according to the Fig. 12 in that a length-adjustable gas pipe 70 is provided on the gas cap 42.
  • the gas pipe 70 may be connected to the gas cap 42, for example by means of a snap-in fitting. By adjusting the gas pipe 70, the exit angle of the fluid during the spraying thereof can be adjusted by adjusting the projection of the metering needle 41 via the gas pipe 70.
  • the Fig. 14 shows an embodiment of the spray head 40 with different swirl elements 69.
  • the embodiment of the spray head 40 according to the Fig. 14 has an integrally formed with the end piece 22 dispensing needle 41, which protrudes beyond the gas cap 42.
  • various swirl elements 69 are provided for swirling the gas.
  • the vortex elements 69 may be formed in one piece or in several parts.
  • the vortex elements 69 may also have a twist.
  • the swirl elements 69 are adapted to divert the gas helically.
  • the Fig. 15 shows an embodiment of the spray head 40 with a porous swirl element 69.
  • the embodiment of the spray head 40 according to the Fig. 15 differs from the embodiment of the spray head the Fig. 14 essentially in that the entire gap 43 is filled with the porous swirl element 69.
  • the vortex element 69 may be in one piece or in several parts.
  • the vortex element 69 is made of a sintered ceramic or metal material.
  • the gas flows through the vortex element 69. With the aid of the vortex element 69, the gas can be indeterminate, that is chaotic, swirling.
EP15193434.6A 2015-11-06 2015-11-06 Dispositif de vaporisation Active EP3165288B1 (fr)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
DE102020110184A1 (de) 2020-04-14 2021-10-14 Illinois Tool Works Inc. Düsenanordnung zum auftragen von fluiden, verwendung der düsenanordnung sowie system zum auftragen von fluiden
EP3988790A1 (fr) * 2020-10-21 2022-04-27 ViscoTec Pumpen- und Dosiertechnik GmbH Système de cartouche et pompe à vis sans fin excentrique

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CN112427160A (zh) * 2020-10-06 2021-03-02 湖北超卓航空科技股份有限公司 一种冷喷枪

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WO2005102538A1 (fr) * 2004-04-22 2005-11-03 Robert Bosch Gmbh Dispositif pour pulvériser des fluides de pulvérisation
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CH699808A1 (de) * 2008-10-30 2010-04-30 Medmix Systems Ag Sprühkopf und Sprühvorrichtung mit einem solchen Sprühkopf.
WO2012012169A1 (fr) * 2010-06-30 2012-01-26 Actamax Surgical Materials, Llc Dispositif à main, autonome et relié à un étrier, destiné à délivrer un aérosol adhésif à deux constituants
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US4996091A (en) * 1987-05-26 1991-02-26 Acumeter Laboratories, Inc. Product comprising substrate bearing continuous extruded fiber forming random crisscross pattern layer
US5020723A (en) * 1989-08-10 1991-06-04 Crist Lawrence E Hot melt glue spraying device
JP2003250806A (ja) * 2002-03-04 2003-09-09 Hakko Medical:Kk 薬液塗布器具
WO2005102538A1 (fr) * 2004-04-22 2005-11-03 Robert Bosch Gmbh Dispositif pour pulvériser des fluides de pulvérisation
JP2008289986A (ja) * 2007-05-23 2008-12-04 Terumo Corp 塗布具
CH699808A1 (de) * 2008-10-30 2010-04-30 Medmix Systems Ag Sprühkopf und Sprühvorrichtung mit einem solchen Sprühkopf.
WO2012012169A1 (fr) * 2010-06-30 2012-01-26 Actamax Surgical Materials, Llc Dispositif à main, autonome et relié à un étrier, destiné à délivrer un aérosol adhésif à deux constituants
WO2013171029A1 (fr) * 2012-05-14 2013-11-21 Sulzer Mixpac Ag Cartouche à plusieurs composants, ensemble de distribution pour une cartouche à plusieurs composants, et système de mélange et de pulvérisation de composants fluides

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020110184A1 (de) 2020-04-14 2021-10-14 Illinois Tool Works Inc. Düsenanordnung zum auftragen von fluiden, verwendung der düsenanordnung sowie system zum auftragen von fluiden
EP3900840A1 (fr) * 2020-04-14 2021-10-27 Illinois Tool Works Inc. Agencement de buses permettant d'appliquer des fluides, utilisation de l'agencement de buses, ainsi que système d'application des fluides
EP3988790A1 (fr) * 2020-10-21 2022-04-27 ViscoTec Pumpen- und Dosiertechnik GmbH Système de cartouche et pompe à vis sans fin excentrique
WO2022083913A1 (fr) * 2020-10-21 2022-04-28 Viscotec Pumpen- U. Dosiertechnik Gmbh Système de cartouche et pompe à vis excentrique

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