EP1358945B2 - Düsenanordnung für eine Vorrichtung zum Auftragen von fliessfähigem Material auf ein Substrat - Google Patents

Düsenanordnung für eine Vorrichtung zum Auftragen von fliessfähigem Material auf ein Substrat Download PDF

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Publication number
EP1358945B2
EP1358945B2 EP03017309A EP03017309A EP1358945B2 EP 1358945 B2 EP1358945 B2 EP 1358945B2 EP 03017309 A EP03017309 A EP 03017309A EP 03017309 A EP03017309 A EP 03017309A EP 1358945 B2 EP1358945 B2 EP 1358945B2
Authority
EP
European Patent Office
Prior art keywords
substrate
liquid
mouthpiece
valve body
supply channel
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
EP03017309A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1358945A2 (de
EP1358945A3 (de
EP1358945B1 (de
Inventor
Manfred Müller
Andrew Grummt
Thomas Burmester
Hans-Joachim Seedorf
Gunther Burmester
Hubert Kufner
Ernst Hering
Andreas Bornkessel
Donald Lohse
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.)
Nordson Corp
Original Assignee
Nordson Corp
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
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Application filed by Nordson Corp filed Critical Nordson Corp
Priority to DE29724771U priority Critical patent/DE29724771U1/de
Publication of EP1358945A2 publication Critical patent/EP1358945A2/de
Publication of EP1358945A3 publication Critical patent/EP1358945A3/de
Application granted granted Critical
Publication of EP1358945B1 publication Critical patent/EP1358945B1/de
Publication of EP1358945B2 publication Critical patent/EP1358945B2/de
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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
    • B05C5/0237—Fluid actuated valves
    • 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet

Definitions

  • the present invention relates to an applicator device according to the preamble of claim 1.
  • Such an application device of the type mentioned is z. B. from the EP-A-0 329 829 and from US 3,854,631 known.
  • Such a device for applying flowable material to a movable substrate in particular for the intermittent application of liquid adhesive, for example, used to coat film-shaped substrates with liquid adhesive, such as hot melt adhesive, surface.
  • Such application devices are often provided with at least one feed channel for supplying flowable material, at least one nozzle arrangement with at least one outlet channel connected to the feed channel and opening into an outlet opening for dispensing material and with a valve arrangement for interrupting the flow of material, a movable valve body and a Valve seat, wherein the valve body cooperates with the valve seat such that the material flow is interrupted by movement of the valve body in a closed position and released into an open position.
  • a so-called intermittent order is made, i.
  • intervals in which the valve body is in the open position and material is applied to the substrate alternate with intervals in which the valve body is in the closed position, so that the material application is interrupted.
  • intermittent order very short intervals are often realized in order to realize order zones with small distances to each other.
  • the flow of material must be interrupted up to 1000 times per minute in some applications.
  • the request pattern created on the substrate is made the requirement that a material application zone on the substrate has sharply delimited edges.
  • a material application zone on the substrate has sharply delimited edges.
  • Prior art nozzle assemblies e.g. B. EP 0 329 829
  • have a substantially straight contact portion which establishes contact between the nozzle assembly and the substrate.
  • the disadvantage here is that it can come to material accumulation between the nozzle assembly and the substrate. This can result in fuzzy boundary lines at the application zones on the substrate.
  • the present invention has for its object to provide an application device of the type mentioned, can be made with the sharply defined material application zones on a substrate.
  • the object is achieved with an application device according to claim 1.
  • Such an applicator device ensures that a substrate in contact with the contact area is always optimally guided to the outlet opening of the nozzle arrangement.
  • an optimal alignment of the substrate is always realized relative to the outlet opening.
  • the film-like substrate is pressed by means of rollers with a (small) contact pressure against the contact area of the nozzle assembly.
  • the substrate is not exactly arranged in a plane, but may have a slightly curved course. Such a curved course in the prior art devices having a substantially straight contact portion results in material accumulation between the nozzle assembly and the substrate.
  • the contact region extends, starting from the outlet opening, counter to the direction of movement of the substrate.
  • a previously described guidance of the film is thus realized.
  • the curved portion is formed partially circular in cross section. In this way, a cheap guide can be realized in a structurally simple manner.
  • the application behavior can be optimized according to the invention in that a tear-off edge is formed in the direction of movement of the substrate, just behind the outlet opening, at which the substrate comes out of contact with the contact section on its path of movement. In this way it can be prevented that accumulates material between the substrate - in the form of a film - and the lower portion of the nozzle assembly, which prevents a clean, sharply limited application of adhesive.
  • the nozzle arrangement is designed as a slot nozzle arrangement in which the feed channel for the material opens via the channel of the mouthpiece receiver into a distributor channel, to which at least one outlet channel with a slot-shaped outlet opening is connected downstream.
  • the outer contact area extends from the exit opening in a direction opposite to the direction of application of the workable material to the substrate.
  • the invention is advantageously further developed in that a straight through-bore is formed in the mouthpiece receptacle as a channel for supplying material in the distribution channel, which is fed with material from the supply channel and whose lower outlet opening opens into the distribution channel.
  • the through-hole is arranged obliquely in relation to a main surface of the substrate during operation.
  • This embodiment can be further developed in that the longitudinal axis of the through-hole forms an angle of approximately 45 ° with the main surface of the substrate.
  • the device shown for the application of liquid adhesive to a relative to the device in the direction of the arrow shown movable substrate 1 has an applicator head 2.
  • the upper part of the applicator head 2 comprises an electro-pneumatically actuable control part 4 (see. Fig. 4 ) mounted on a base 6.
  • a nozzle assembly 8 is mounted on the underside of the base 6.
  • the base 6 is in turn mounted on a stationary carrier, not shown.
  • the control part 4 is connected by means of two compressed air lines 10, 11 to a compressed air source, not shown, which provides approximately a pressure of 6 bar. With the help of a solenoid valve 12, the control part 4 can be acted upon with compressed air.
  • the base 6 is formed with a bore 7 into which a lower portion of the control part 4 is inserted.
  • In the base 6 are in the upper part of two connecting holes 21, 23, which can be selectively connected to a compressed air line.
  • the bore 23 is closed with a plug 25.
  • valve assembly essentially comprises a valve body 14, a rod-shaped shank portion 16 connected thereto, and a valve seat 44.
  • the valve body 14 cooperates with the valve seat 44 such that material flow is achieved by movement of the valve body 14 is interrupted in a closed position and released by movement in an open position. The valve body 14 comes into contact with the valve seat by movement against the flow direction of the material to interrupt the flow of material.
  • a differential pressure piston 18 is attached to the upper movable shaft portion 16.
  • the piston 18 is arranged axially displaceably in a bore 20 in a base body 22.
  • the piston 18 is formed with a central bore 20 in which a part of the shaft portion 16 is arranged.
  • a nut 24 is screwed, which secures the piston 18 to the shaft portion 16.
  • a gas-filled space 26 is provided, which is acted upon by gas pressure. As a result, a force can be applied to the piston 18.
  • a further gas-filled space 28 is formed within the bore 20 in the base body 22, which is acted upon by means of a connection channel 30 through the line with compressed air 10.
  • the piston 18 has an upper active surface 34, which is larger than a lower active surface 36, so that at the same pressure in the spaces 26 and 30, different forces acting on the piston 18 act.
  • the piston would - in Fig. 4 down - are pressed in the direction of the nozzle assembly 8, so that the valve body 14 is pressed into its open position.
  • the piston 18 is sealed in a manner not described in detail with O-rings relative to the base body 22.
  • a spiral spring 32 is arranged, which acts with its spring force on the piston 18 and this - in Fig. 4 upwards - biased in the closed position of the valve assembly.
  • the solenoid valve 12 (FIG. Fig. 1 ) open.
  • a pressure is generated in the space 26 which corresponds approximately to that of the compressed air source and which acts on the active surface 34.
  • the pressure of the compressed air source prevails throughout.
  • the piston 18 is moved in the direction of the substrate 1.
  • the solenoid valve 12 is switched so that the pressure in the space 26 is reduced.
  • compressed air is discharged from the solenoid valve 12 to the environment.
  • the piston 18 is pressed by the force acting on the effective surface 36 resulting force "up” and the valve body 14 is moved to the closed position.
  • the spring force of the spring 32 supports.
  • the shaft portion 16 of the valve 14 has a notch 38 as a mark, which is visible from the outside through a viewing window 40 in the control part 4, so that the position of the movable, attached to the shaft portion 16 valve body 14 is externally visible.
  • an adhesive feed channel 46 is formed in a lower portion of the control member 4 which can be fed by means of a connector 48 with adhesive from an adhesive source ,
  • the feed channel 46 is formed substantially as a cylindrical bore within a (ring) body 50.
  • a ring 52 is fixed, which is also provided with a central through-hole which is part of the feed channel 46.
  • valve seat 44 is formed in the FIGS. 2 and 3 is shown as an annular edge.
  • the valve seat 44 may be adapted to the shape of the valve body 14. It can be sanded and hardened.
  • O-ring 54 of the ring 52 is realtiv sealed to the base 6.
  • the valve body 14 is disposed within a substantially cylindrical space 56 formed in the base 6. The space 56 is followed in the flow direction by a passage 58, can flow through the adhesive into the nozzle assembly 8.
  • the integrally formed with the shaft portion 16 valve body 14 is formed as well as the shaft portion 16 rotationally symmetrical and has a subsequent to the shaft portion 16 frusto-conical portion 60 which is in contact with the valve seat 44 in the closed position, as in Fig. 3 is shown.
  • the section 60 is followed downstream by a substantially circular disk-shaped portion 62 which further downstream in a turn frusto-conical portion 64 which marks the lower end of the body 14.
  • the body 14 initially has a widening cross section, then a constant cross section and further downstream a tapering cross section. It has an outer diameter which is greater than the inner diameter of the feed channel 46, so that upon movement of the shaft portion 16 together with the valve body 14 latter comes to rest on the valve seat 44.
  • the diameter of the shaft portion 16 is less than that of the feed channel 46, so that an annular channel is formed between the two.
  • valve body 14 may be formed substantially as a ball or disc, which is attached to the shaft portion 16, preferably formed integrally therewith.
  • a passage opens into a channel 66 formed inside the nozzle arrangement 8 which is designed as a slot nozzle arrangement, which channel is formed in an in Fig. 9 illustrated mouthpiece receptacle 68 is formed as a straight through hole.
  • the channel 66 is disposed obliquely relative to a vertical axis.
  • a mouthpiece 70 mounted separately in Fig. 10 is shown and screwed by means of a bore 71 arranged bolt on the mouthpiece receptacle 68. I'm mounted in Fig.
  • FIG. 1 illustrated state opens an elliptical lower opening of the inclined channel 66 in a horizontally disposed in operation distribution channel 72, in which the adhesive is passed into a plurality of outlet channels, not shown, arranged in a conventional manner by means of a between the mouthpiece receptacle 66 and the mouthpiece 70 Spacer plates are formed.
  • the outlet channels are formed as elongated slots and open at a lower end of the nozzle assembly 8 (FIG. Fig. 1 ) into slit-shaped outlet openings, from which material can be dispensed.
  • the nozzle arrangement 8 has an outer contact area 74, which is in contact with the substrate moving at least in part relative to the outlet opening during the application and which is arranged on the mouthpiece 70.
  • the contact region 74 has, as from the Fig. 1 and 10 it can be seen, a relative to the substrate 1 diverging, curved portion. It extends from an exit opening opposite to the direction of movement of the substrate 1 - in Fig. 1 to the left - and is in cross section ( Fig. 10 ) formed part-circular.
  • the substrate is flat and lies against the contact region 74, it may however have a slightly curved course, for example if it is designed as a foil guided by rollers.
  • the moving substrate 1 is guided from the curved portion of the contact area 74 to the exit opening or the plurality of exit openings of the slot nozzle arrangement arranged in juxtaposition to one another, as in FIG Fig. 10 is indicated by a dashed line. If the outlet opening of the nozzle arrangement during operation is not aligned exactly relative to the substrate 1, for example because the substrate is not guided by a guide device exactly on a desired path or because the entire application head 2 is not exactly located in a desired position on the carrier, then Substrate from the contact portion also guided to the outlet opening.
  • the nozzle arrangement 8 has a tear-off edge 76 which is arranged on the mouthpiece receptacle 68.
  • the tear-off edge runs an edge 79 of the mouthpiece receptacle 68 in an opposite to an axis 77 (and thus in the Fig. With respect to a vertical axis) acute angle.
  • the angle between the edge 79 and the axis 77 is about 20 °.
  • FIGS. 5 and 6 show an alternative embodiment of a device according to the invention for applying flowable material, in which two previously described with reference to Fig. 1 to 4 described application heads 78, 80 attached to a base 82 and are arranged substantially perpendicular to each other.
  • the device thus has two supply channels which supply a common nozzle arrangement 84 with adhesive.
  • the two valve arrangements of the application heads 78 and 80 are controlled electro-pneumatically by means of a control device 77.
  • the nozzle assembly 84 has, as previously with reference to FIGS FIGS. 9 and 10 described, a mouthpiece receptacle 86 and attached to this mouthpiece 88.
  • the mouthpiece 88 is formed with a curved contact region 74 which at least partially engages a substrate.
  • the two valve arrangements of the application heads 78, 80 are controllable such that in a first operating state both valve assemblies release the feed channel 46 for a material flow at the same time and in a second operating state the valve arrangements alternately release or close the respective feed channel 46. In this way, either an alternately intermittent operation of the two guns 78, 80 or a simultaneous flow of material through both guns 78, 80 can be realized. If the two feed channels 46 are fed from different material sources (not shown), during the first operating state the two materials originating from the different material sources can be mixed with one another and applied to a substrate or alternately apply the different materials in the second operating state.
  • Fig. 7 shows a part of the application head 78 and the control device 77 and compressed air lines 90, 92, through which the control part for moving the valve body 14 can be acted upon with compressed air.
  • FIG. 8 Figure 5 shows another alternate embodiment of a flowable material applicator having two guns 94, 96 arranged in parallel and feeding a slot nozzle assembly 98 with material.
  • the applicator heads 94, 96 of this device are formed substantially identical, as the basis of the Fig. 1 - 4th described application head 2, and are controllable in the same way as previously with reference to the Fig. 5-7 described device, so that reference is made to the above description.
  • By means of two ports 100, 102 and two adhesive filters 104, 106 is adhesive to two terminals 48 in the control part 4 (see. Fig. 4 ).
  • the adhesive streams are independent of each other by means of two individually controllable valve arrangements of the applicator heads 94, 96 way described controllable and feed the common slot nozzle assembly 98th
  • liquid adhesive or other flowable material by means of supply lines (not shown) in a gun 2, introduced and introduced into the feed channel 46 of a control part 4.
  • the material flows into the nozzle assembly 8, there through the obliquely formed in the mouthpiece receiver 68 channel 66 in the substantially horizontal distribution channel 72 in the mouthpiece 70.
  • the material is distributed in the distribution channel 72 on a plurality of slot-shaped outlet channels and flows toward the plurality of slit-shaped exit openings at the lower end of the nozzle assembly 8 to be discharged therefrom and applied to the moving substrate 1.
  • the substrate may be a thin film of plastic, which is guided by means of several rollers.
  • the substrate lies substantially in one plane and is in contact with the contact region 74, more precisely with a part of the curved portion of the contact region 74.
  • the nozzle assembly 8 is formed as a slot nozzle arrangement for a flat application, it could also be formed as a nozzle assembly whose outlet openings have other shapes.
  • the application heads can be controlled with the aid of the control device 77 such that a continuous or discontinuous intermittent material application is made to the substrate.
  • the valve body 14 can be opened or closed up to about 1200 times during one minute.
  • the piston 18 In intermittent operation, the piston 18 is acted upon by the lines 10, 11, 90, 92 with compressed air, which can be provided in the spaces 26 and 28 with varying pressures.
  • the piston 18 In the open position of the valve body 14, the piston 18 by a force acting in the direction of the substrate 1 downward force in the in Fig. 2 pressed position shown.
  • the solenoid valve 12 Fig. 1
  • compressed air acts on the piston 18. Since the effective area 34 is greater than the effective area 36, the piston is moved in the direction of the substrate 1.
  • the force of the spring 32 acts on the piston 18 on the one hand, and at the same time generates a force in the same direction, the size of which can be calculated essentially as the product of pressure and effective area 36.
  • the piston 18 is now moved upwardly together with the shaft portion 16, so that the valve body 14 is moved toward the valve seat 44 until it is in contact with the valve body 44, as in Fig. 3 is shown.
  • valve body 14 By the movable arrangement of the valve body 14, this acts within the cylindrical space 56 during the closing movement in the manner of a piston disposed within a cylinder and generates a pressure reduction in the cylindrical space 56. Further adhesive adheres to the surface of the valve body 14, so that the adhering Material together with the opposite to the flow direction of the material during the material application moving valve body 14 is "pulled" up.
  • valve assemblies of the two guns can be controlled with the aid of the control device that the valve assemblies alternately enable or close the supply channel for a material flow, so that a job image can be produced on the substrate 1, which has very small gaps between individual application zones and small widths of the application zones depending on a predetermined speed of the substrate 1. This may be desirable, for example, if the integral substrate 1 during the application is to be separated later into several parts, each of which is provided with a defined zone with material application.
  • the device can be switched by means of the control device in such a way that both application heads have simultaneously opened valve arrangements, so that material flows through both supply channels is conveyed to the outlet openings (or an outlet opening) and applied. If one of the two valve assemblies is brought into the closed position, in which the material flow is interrupted by the supply channel, while the other valve assembly remains in the open position, as compared to the operating condition in which both valve assemblies are in the open position, a lesser material leakage through the opening (or outlet). If one valve arrangement is operated continuously and the other is operated intermittently, an application pattern can be produced on the substrate 1, which zone has stronger and lower application on the substrate.

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  • Coating Apparatus (AREA)
EP03017309A 1996-12-23 1997-12-11 Düsenanordnung für eine Vorrichtung zum Auftragen von fliessfähigem Material auf ein Substrat Expired - Lifetime EP1358945B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29724771U DE29724771U1 (de) 1996-12-23 1997-12-11 Vorrichtung zum Auftragen von fließfähigem Material auf ein Substrat, insbesondere zum intermittierenden Auftragen von flüssigen Klebstoff

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29622341U 1996-12-23
DE29622341U DE29622341U1 (de) 1996-12-23 1996-12-23 Vorrichtung zum Auftragen von fließfähigem Material auf ein Substrat, insbesondere zum intermittierenden Auftragen von flüssigem Klebstoff
EP97121817A EP0850697B1 (de) 1996-12-23 1997-12-11 Vorrichtung zum Auftragen von fliessfähigem Material auf ein Substrat, insbesondere zum intermittierenden Auftragen von flüssigem Klebstoff

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP97121817A Division EP0850697B1 (de) 1996-12-23 1997-12-11 Vorrichtung zum Auftragen von fliessfähigem Material auf ein Substrat, insbesondere zum intermittierenden Auftragen von flüssigem Klebstoff
EP97121817.7 Division 1997-12-11

Publications (4)

Publication Number Publication Date
EP1358945A2 EP1358945A2 (de) 2003-11-05
EP1358945A3 EP1358945A3 (de) 2004-03-10
EP1358945B1 EP1358945B1 (de) 2006-01-25
EP1358945B2 true EP1358945B2 (de) 2011-03-23

Family

ID=8033739

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03017309A Expired - Lifetime EP1358945B2 (de) 1996-12-23 1997-12-11 Düsenanordnung für eine Vorrichtung zum Auftragen von fliessfähigem Material auf ein Substrat
EP97121817A Expired - Lifetime EP0850697B1 (de) 1996-12-23 1997-12-11 Vorrichtung zum Auftragen von fliessfähigem Material auf ein Substrat, insbesondere zum intermittierenden Auftragen von flüssigem Klebstoff

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97121817A Expired - Lifetime EP0850697B1 (de) 1996-12-23 1997-12-11 Vorrichtung zum Auftragen von fliessfähigem Material auf ein Substrat, insbesondere zum intermittierenden Auftragen von flüssigem Klebstoff

Country Status (5)

Country Link
US (1) US6164568A (sv)
EP (2) EP1358945B2 (sv)
JP (1) JP3902851B2 (sv)
CA (1) CA2225658A1 (sv)
DE (3) DE29622341U1 (sv)

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US6669057B2 (en) 2001-10-31 2003-12-30 Nordson Corporation High-speed liquid dispensing modules
US6688580B2 (en) 2001-10-31 2004-02-10 Nordson Corporation Adjustable die for a fluid dispenser and method
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US7455882B2 (en) 2004-09-13 2008-11-25 The Gillette Company Method of applying adhesive to electrochemical cell components
DE102004058542A1 (de) * 2004-12-03 2006-06-08 Nordson Corporation, Westlake Rotationsauftragskopf und Etikettieranlage zum Aufbringen von Etiketten
US7771556B2 (en) 2005-07-01 2010-08-10 Nordson Corporation Apparatus and process to apply adhesive during labeling operations
US8474660B2 (en) * 2006-11-15 2013-07-02 Nordson Corporation Dispensing apparatus having a pivot actuator
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DE102008018881B4 (de) * 2008-03-11 2020-10-01 Atlas Copco Ias Gmbh Verfahren und Vorrichtung zum Auftragen eines viskosen Materials auf ein Werkstück sowie Verwendung eines Nadelventils für eine Vorrichtung zum Auftragen eines viskosen Materials auf ein Werkstück
EP2480492B1 (en) * 2009-09-21 2019-11-06 Nordson Corporation Pneumatically actuated liquid dispensing valve
US9346075B2 (en) 2011-08-26 2016-05-24 Nordson Corporation Modular jetting devices
US8708246B2 (en) 2011-10-28 2014-04-29 Nordson Corporation Positive displacement dispenser and method for dispensing discrete amounts of liquid
DE202011107265U1 (de) 2011-10-31 2013-02-11 Nordson Corporation Abgabemodul, Auftragskopf und Düsenstock zur Abgabe eines Fluids, insbesondere Heißschmelzklebstoff
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US10124303B2 (en) 2014-09-05 2018-11-13 Nordson Corporation Apparatus and methods for dispensing small beads of viscous material
US9889599B2 (en) * 2015-09-15 2018-02-13 Illinois Tool Works Inc. Multi-temperature contact applicator
JP6452850B2 (ja) 2016-08-16 2019-01-16 株式会社サンツール サックバック式塗布ガンユニット
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BR112023004357A2 (pt) * 2020-09-09 2023-04-04 Spraying Systems Co Conjunto de bico de pulverização de distribuição de líquido

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Also Published As

Publication number Publication date
DE29622341U1 (de) 1997-04-03
EP0850697A3 (de) 1999-07-21
EP1358945A2 (de) 2003-11-05
EP0850697B1 (de) 2004-08-04
JP3902851B2 (ja) 2007-04-11
DE59711829D1 (de) 2004-09-09
JPH10192763A (ja) 1998-07-28
EP1358945A3 (de) 2004-03-10
US6164568A (en) 2000-12-26
DE59712557D1 (de) 2006-04-13
EP0850697A2 (de) 1998-07-01
CA2225658A1 (en) 1998-06-23
EP1358945B1 (de) 2006-01-25

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