EP0997200B1 - Appareil de décharge de fluides muni d'un distributeur d'air à alésage taraudé - Google Patents

Appareil de décharge de fluides muni d'un distributeur d'air à alésage taraudé Download PDF

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Publication number
EP0997200B1
EP0997200B1 EP19980120344 EP98120344A EP0997200B1 EP 0997200 B1 EP0997200 B1 EP 0997200B1 EP 19980120344 EP19980120344 EP 19980120344 EP 98120344 A EP98120344 A EP 98120344A EP 0997200 B1 EP0997200 B1 EP 0997200B1
Authority
EP
European Patent Office
Prior art keywords
air
thermoplastic material
manifold
dispensing
heating
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
EP19980120344
Other languages
German (de)
English (en)
Other versions
EP0997200A1 (fr
Inventor
King D. Carson Jr.
Mark G. Reifenberger
William A. Harben
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
Application filed by Nordson Corp filed Critical Nordson Corp
Priority to DE69822835T priority Critical patent/DE69822835T2/de
Priority to EP19980120344 priority patent/EP0997200B1/fr
Priority to CA 2284143 priority patent/CA2284143A1/fr
Priority to AU57071/99A priority patent/AU761181B2/en
Priority to BR9906120-1A priority patent/BR9906120A/pt
Priority to JP11306182A priority patent/JP2000153185A/ja
Publication of EP0997200A1 publication Critical patent/EP0997200A1/fr
Application granted granted Critical
Publication of EP0997200B1 publication Critical patent/EP0997200B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • 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
    • B05B7/1613—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 comprising means for heating the atomising fluid before mixing with the material to be sprayed
    • 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
    • B05B7/0861—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 one single jet constituted by a liquid or a mixture containing a liquid and several gas jets
    • 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
    • B05C17/00523—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 provided with means to heat the material

Definitions

  • the present invention generally relates to dispensing heated thermoplastic materials and impacting the material with heated air to create a specific discharge pattern. More particularly, the present invention relates to compact, hand-held intermittent dispensing guns of this type.
  • Apparatus for dispensing heated thermoplastic material such as so-called hot melt adhesives, often involves the simultaneous application of pattern air to the discharged thermoplastic material.
  • Pattern air may be used to swirl a bead of hot melt adhesive as it exits a discharge orifice.
  • the swirled adhesive may then be applied in a desired path to a substrate to facilitate better adhesive dispersion and, therefore, better adhesion between that substrate and another surface.
  • Various dispensers are known for applying hot melt adhesive and simultaneously applying pattern air to the adhesive.
  • hand-held dispensing guns are convenient to control and manipulate, for example, a swirled bead of adhesive onto a substrate.
  • These hand-held dispensing guns must be of a size which is easily manipulated and non-fatiguing to the user.
  • the units must supply heated air closely adjacent to the adhesive discharge passage for heating the pattern air immediately prior to its discharge.
  • the air is heated in a manifold located generally at the discharge end of the gun.
  • a gun of this design is disclosed in US-A-5,076,469. This prior art gun uses a sintered metal insert through which the air is forced.
  • the insert is heated by one or more heating devices and transfers the heat to the air which is flowing therethrough.
  • other heated air manifolds typically have a series of serpentine-shaped air passages, as well as integrated electrical heaters and resistance temperature detectors (RTDs) for controlling the temperature of the manifold.
  • Serpentine-shaped passages increase the residence time of air in the manifold while attempting to minimize the size of the manifold.
  • the present invention provides dispensing apparatus for dispensing heated thermoplastic material while impacting the material with heated pattern air.
  • an air manifold is provided with air heating passages having air turbulating structure in the form of internal threads extending along at least a substantial portion of said air heating passages.
  • the air turbulating structure induces turbulence in the air flowing through the air heating passage and thereby produces efficient, uniform heating.
  • the smooth walls of the passages promoted stratification of thermal layers in the passages. That is , the air was hotter adjacent to the wall than at the center of the passage.
  • the significant turbulence created in the air flowing through the manifold of the invention prevents stratification and uniformly mixes the air as it flows through the air heating passages.
  • the turbulating structure provides greater surface area for effecting heat transfer and, effectively, acting dually as an air mixer and a heat exchanger. In this way, the air is heated in a shorter time period than in the past and higher, more uniform air temperatures may be provided by a more compact manifold at a given temperature.
  • other components of the dispensing apparatus may typically include a dispensing gun body adapted for connection to a supply of heated thermoplastic material.
  • the gun body can have a handle and trigger assembly for controlling the discharge of heated thermoplastic material and pattern air.
  • the turbulating structure disposed in the air heating passage of the manifold advantageously comprises internal threads. These may be easily formed within a series of serpentine-shaped, connected passages in the manifold by drilling and tapping these passages.
  • the internal threads act as a long, continuous fin extending inwardly from the walls of the passage and can induce continuous turbulence from the inlet to the outlet of the manifold.
  • the present invention therefore provides a more compact dispensing gun by providing a more compact heated air manifold.
  • the manifold improves heat transfer for a given volume of air passages, allows a smaller manifold size for a given outlet temperature, yields a relatively constant temperature across varying flow rates of air, and achieves all of the above at minimal additional expense.
  • the invention according to claim 6 further encompasses methods of dispensing heated thermoplastic material, such as hot melt adhesive, in manners generally corresponding to the use of apparatus as described above.
  • these methods comprise directing heated thermoplastic material through a discharge passage, heating pressurized air by directing the air through a series of heated passages having turbulating structure and discharging the thermoplastic material from the discharge passage while impacting the discharged thermoplastic material with air exiting the series of passages.
  • the preferred turbulating structure is at least one set of internal threads extending along walls of the series of passages.
  • the method and apparatus of this invention are especially useful in dispensing thermoplastic material, such as hot melt adhesive, in an intermittent fashion.
  • Fig. 1 illustrates one preferred embodiment of dispensing apparatus 10 constructed with features pertaining to the present invention.
  • Dispensing apparatus 10 takes the particular form of an intermittent hot melt adhesive dispensing gun, particularly of the type sold by Nordson Corporation of Westlake, Ohio under Model No. AD31. It will be appreciated that the invention may also apply to other applicators of heated thermoplastic material in which it is desirable to impact the dispersed material with hot air.
  • apparatus 10 includes a gun body 12 having a nozzle portion 14 particularly suited for dispensing a swirled pattern of hot melt adhesive as will be understood from the description to follow.
  • a heat shield 16 is mounted over nozzle portion 14.
  • Hot melt adhesive is supplied through a conduit 18, while pressurized air is supplied through a conduit 20 for creating a pattern of adhesive, such as a swirled bead pattern.
  • An electrical conduit 22 leads into a handle 24 having a trigger 26 with a conventional trigger lock 28.
  • Trigger 26 may, for example, operate a microswitch which is connected to a solenoid (not shown) for controlling the on/off dispensing of adhesive from nozzle portion 14 in a typical manner.
  • trigger 26 may instead operate various conventional air logic controls to similarly control the dispensing of adhesive from nozzle portion 14.
  • a heated air manifold 30 is provided and preferably directly connected to nozzle portion 14 for heating pattern air received from conduit 20 immediately prior to its use to swirl or otherwise impact the dispensed adhesive.
  • electric leads 32, 34, 36 lead into manifold 30 and are respectively connected to electric heating elements and a resistance temperature detector (RTD) in a conventional manner.
  • RTD resistance temperature detector
  • a fluid connector 38 connects air conduit 20 to manifold 30.
  • nozzle portion 14 includes a passage 50 which communicates with a main liquid passage (not shown) of gun body 12 and receives pressurized liquid, such as hot melt adhesive, from supply conduit 18 (Fig. 1).
  • a valve 52 may be selectively moved between engaged and disengaged positions relative to a valve seat 54 to respectively prevent and allow pressurized liquid to flow into a liquid discharge passage 56. From here, the liquid flows through a liquid outlet 60a disposed in a disc 60 held against a nozzle body 62 by a retaining nut 64.
  • Nozzle body 62 further includes threads 66 on an opposite end thereof for holding nozzle portion 14 to gun body 12.
  • An additional nut 68 is threaded onto the outside of nozzle body 62 and holds air manifold 30 thereto.
  • a serpentine-shaped air heating passage 70 traverses through air heating manifold 30.
  • the manner of constructing passage 70 is not specifically shown in the figures as such machining is well known in the art.
  • a series of passages are drilled into manifold 30 and various threaded plugs are used to create the serpentine-shaped passage 70 as generally shown in the drawings.
  • Passage 70 preferably includes turbulating structure in the form of internal threads 70a extending along at least a substantial portion of air heating passage 70. These threads, for example, may be 6-32 threads or threads of other suitable size and pitch.
  • Passage 70 extends from an inlet 71 defined by fluid connector 38 to an outlet defined by an annular recess 72 which communicates with a plurality of radial passages 74, 76, 78, 80 contained in nozzle body 62 as best shown in Figs. 2 and 3.
  • Passages 74, 76, 78, 80 each respectively communicate with axial air passages 82, 84, 86, 88 extending lengthwise through nozzle body 62 and communicating with a series of air passages 60b as conventionally contained in disc 60 for creating a swirled pattern of adhesive upon impact with hot melt adhesive discharged from passage 60a.
  • a pair of electrical heating elements 90, 92 are inserted into bores drilled into air manifold 30 and disposed on either side of a similarly inserted resistance temperature detector (RTD) 94.
  • Electrical heating elements 90, 92 are used in a conventional manner to heat the body of air manifold 30, which may be formed of aluminum, and the set point temperature of the body of manifold 30 may be controlled through conventional temperature controls connected with RTD 94.
  • threads 70a disposed within air heating passage 70 will promote greater turbulence and, therefore, greater mixing and heating of air within passage 70 and more uniform temperature distribution.
  • the threads also increase the amount of surface area through which heat may be transferred to the air moving through passage 70.
  • Figs. 5-7 illustrate a second embodiment of the invention in the form of a dispensing apparatus 100 again preferably comprising a hand-held, intermittent hot melt adhesive gun.
  • This embodiment of apparatus 100 consists of a modified model FP200 dispensing gun obtainable from Nordson Corporation of Westlake, Ohio. The basic modifications have been made in accordance with the invention as will be discussed in detail below.
  • liquid manifold 102 connects with appropriate electric leads in a conduit 104 for supplying electric current to integrated heating elements and one or more RTDs (not shown).
  • Manifold assembly 102 receives a supply of pressurized hot melt adhesive from a conduit 106 and this pressurized adhesive is supplied to an attached dispenser 108 which dispenses hot melt adhesive, for example, in a swirled pattern from a nozzle 110.
  • Another conduit 111 delivers pressurized operating air to manifold 102. The operating air is delivered to dispenser 108 for moving a piston and thereby operating a valve stem (not shown) which controls the flow of adhesive from nozzle 110.
  • Apparatus 100 further includes a gun body 112 having a handle 114 with a trigger 116 and conventional trigger lock 118 as described with respect to the first embodiment.
  • an electrical conduit 120 may be provided for connecting electric leads to various controls associated with trigger 116, such as a microswitch as described above with respect to the first embodiment.
  • various controls associated with trigger 116 such as a microswitch as described above with respect to the first embodiment.
  • air logic controls may be used as conventional substitute controls.
  • Gun body 112 is mounted to liquid manifold 102 by suitable mounting structure 122.
  • an air heating manifold 130 is mounted to liquid manifold 102 by fasteners 132. As shown in Figs. 5 and 6, manifold 130 is connected with a cord set or electric conduit 134 for supplying electric current to electric heating elements 136, 138 and a resistance temperature detector (RTD) 140, as shown in Fig. 6.
  • RTD resistance temperature detector
  • air heating manifold 130 includes a serpentine-shaped passage 150 which includes internal threads 150a along at least a substantial portion thereof.
  • Serpentine-shaped passage 150 extends from an inlet 152 connected with air supply conduit 146 (Fig. 5) to an outlet 154 connected with an air distributing portion 108a of dispenser 108.
  • the interface between air distributing portion 108a and manifold 130 may be sealed by an O-ring 158.
  • pressurized pattern air may be introduced through conduit 146 upon actuation of trigger 116 through the use of appropriate controls.
  • the air heating manifold 130 of this embodiment has each of the same objectives and advantages of the first embodiment as discussed above.
  • Fig. 8 illustrates a graph plotting air temperature versus air flow in a fixture constructed generally in accordance with the invention and another fixture having a smooth bore.
  • the first fixture was a block of aluminum with a threaded bore extending along the length of the fixture in one direction and then turning and extending along the fixture in the opposite direction.
  • the second fixture was the same, except that a smooth bore air passage was used instead of threaded passage.
  • This graph illustrates that with a smooth bore air heating passage, the temperature falls off significantly as air flow increases.
  • This particular graph illustrates an example wherein a set point temperature of the pressurized pattern air is desired to be 177,2 °C (351 °F).
  • the graph shows that the threaded bore of the present invention can maintain the air temperature at or very close to the desired set point temperature even at relatively high air flow rates.
  • Fig. 9 illustrates a similar graph of air temperature versus air flow for a smooth bore versus a threaded bore fixture as described above.
  • the desired set point was 219,4 °C (427°F).
  • the graph illustrates that the threaded bore version of the fixture maintains the air temperature at or very close to the desired set point temperature even at higher flow rates, i.e., even when there is a relatively short residence time during which the air may be heated to the set point temperature within the manifold.
  • Fig. 10 illustrates a graph plotting pressure drop versus flow and again comparing a smooth bore fixture versus a threaded bore fixture as described above. This graph more specifically illustrates that the pressure drop experienced in the fixture is very similar in both the smooth bore and threaded bore versions at a set point temperature of 177,2 °C (351 °F). Thus, the turbulence may be created by the internal threads within the air heating passage without also creating significant increases in pressure drop across a relatively wide range of air flow rates.

Landscapes

  • Coating Apparatus (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (8)

  1. Dispositif distributeur (10) destiné à distribuer un matériau thermoplastique chauffé et à soumettre le matériau à un impact avec de l'air chauffé, le dispositif comprenant:
    un corps de pistolet distributeur (12) destiné à être connecté à une alimentation de matériau thermoplastique chauffé et englobant un orifice de sortie du matériau thermoplastique (60a) et au moins un passage de décharge de l'air (60b) pour diriger l'air sur le matériau thermoplastique sortant de l'orifice de sortie du matériau thermoplastique,
    un collecteur d'air (30) comportant un passage de chauffage de l'air (70) s'étendant entre un orifice d'entrée de l'air (71) et un orifice de sortie de l'air (72), ledit orifice d'entrée de l'air étant destiné à être connecté à une source d'air sous pression et ledit orifice de sortie communiquant avec le passage de décharge de l'air dudit corps du pistolet,
    au moins un élément de chauffage (90; 92) accouplé thermiquement audit collecteur d'air pour chauffer l'air s'écoulant dudit orifice d'entrée de l'air vers ledit orifice de sortie de l'air dudit passage de chauffage de l'air, englobant une structure à turbulence de l'air pour entraîner une turbulence dans l'air s'écoulant à travers ledit passage de chauffage de l'air et assurer ainsi un chauffage uniforme et efficace de l'air au cours des opérations de distribution,
       caractérisé en ce que ladite structure à turbulence englobe des filetages internes (70a; 150a) dans le passage de chauffage de l'air (70) dudit collecteur.
  2. Dispositif distributeur selon la revendication 1, dans lequel le passage de chauffage de l'air dans ledit collecteur (30) a une forme en serpentin et englobe des filetages pratiquement le long de l'ensemble de sa longueur.
  3. Dispositif distributeur selon les revendications 1 ou 2, comprenant en outre:
    une poignée (24) connectée au corps du pistolet distributeur (12) et comportant une gâchette (26) pour contrôler la décharge du matériau thermoplastique et de l'air conditionné,
    une soupape de distribution (52) connectée à ladite poignée,
    ladite soupape étant destinée à être connectée à une alimentation de matériau thermoplastique chauffé et comportant une partie de buse (14) englobant ledit orifice de sortie du matériau thermoplastique (60a) et ledit passage de décharge de l'air (60b) pour diriger ledit air conditionné vers le matériau thermoplastique sortant à travers l'orifice de décharge du matériau thermoplastique, et une commande de soupape connectée à la gâchette et destinée à permettre et à empêcher un déplacement du matériau thermoplastique à partir dudit orifice de décharge du matériau thermoplastique en réponse à des déplacements de ladite gâchette.
  4. Dispositif distributeur selon l'une quelconque des revendications précédentes, dans lequel ladite structure à turbulence englobe en outre un échangeur de chaleur.
  5. Dispositif de distribution selon l'une quelconque des revendications précédentes, dans lequel le corps du pistolet englobe en outre une partie de buse (14) connectée audit collecteur d'air (30), ladite partie de buse englobant ledit orifice de décharge du matériau thermoplastique et ledit passage de décharge de l'air.
  6. Procédé de distribution d'un matériau thermoplastique chauffé, englobant une décharge configurée dudit matériau thermoplastique, par l'intermédiaire d'air chauffé sous pression, le procédé comprenant les étapes ci-dessous:
    (a) guidage du matériau thermoplastique chauffé à travers un passage de décharge (60a),
    (b) chauffage et mélange de l'air sous pression dans un collecteur chauffé (30),
       ledit procédé étant caractérisé par les étapes ci-dessous:
    (c) guidage dudit air à travers une série de passages (70) comportant une structure à turbulence et contenue dans ledit distributeur, ladite structure à turbulence englobant des filetages internes (70a, 150a) s'étendant le long des parois de la série de passages, et
    (d) décharge dudit matériau thermoplastique à partir dudit passage de décharge tout en soumettant le matériau thermoplastique déchargé à un impact avec l'air sortant de ladite série de passages.
  7. Procédé selon la revendication 6, dans lequel l'étape de chauffage et de mélange de l'air sous pression englobe en outre l'étape de guidage de l'air à travers des passages (70) comportant une structure combinée à échange de chaleur et à turbulence.
  8. Procédé selon la revendication 6, dans lequel l'étape de décharge du matériau thermoplastique comprend en outre l'étape de décharge intermittente dudit matériau thermoplastique et d'exposition correspondante du matériau thermoplastique déchargé à un impact avec l'air sortant de ladite série de passages.
EP19980120344 1998-10-28 1998-10-28 Appareil de décharge de fluides muni d'un distributeur d'air à alésage taraudé Expired - Lifetime EP0997200B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE69822835T DE69822835T2 (de) 1998-10-28 1998-10-28 Fluidaustragsvorrichtung mit einem Luftverteiler mit einer Gewindebohrung
EP19980120344 EP0997200B1 (fr) 1998-10-28 1998-10-28 Appareil de décharge de fluides muni d'un distributeur d'air à alésage taraudé
CA 2284143 CA2284143A1 (fr) 1998-10-28 1999-09-28 Distributeur a collecteur d'air fore filete
AU57071/99A AU761181B2 (en) 1998-10-28 1999-10-27 Dispenser having a threaded bore air manifold
BR9906120-1A BR9906120A (pt) 1998-10-28 1999-10-27 Aparelho e método para distribuição de material termoplástico aquecido
JP11306182A JP2000153185A (ja) 1998-10-28 1999-10-28 ネジ付き孔の空気マニホ―ルドを備えた吐出機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980120344 EP0997200B1 (fr) 1998-10-28 1998-10-28 Appareil de décharge de fluides muni d'un distributeur d'air à alésage taraudé

Publications (2)

Publication Number Publication Date
EP0997200A1 EP0997200A1 (fr) 2000-05-03
EP0997200B1 true EP0997200B1 (fr) 2004-03-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980120344 Expired - Lifetime EP0997200B1 (fr) 1998-10-28 1998-10-28 Appareil de décharge de fluides muni d'un distributeur d'air à alésage taraudé

Country Status (6)

Country Link
EP (1) EP0997200B1 (fr)
JP (1) JP2000153185A (fr)
AU (1) AU761181B2 (fr)
BR (1) BR9906120A (fr)
CA (1) CA2284143A1 (fr)
DE (1) DE69822835T2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009140472A1 (fr) * 2008-05-15 2009-11-19 Graco Minnesota Inc. Tête de fluide à fixation rapide

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7617951B2 (en) 2002-01-28 2009-11-17 Nordson Corporation Compact heated air manifolds for adhesive application
US20050242108A1 (en) 2004-04-30 2005-11-03 Nordson Corporation Liquid dispenser having individualized process air control
US9914147B2 (en) 2006-01-06 2018-03-13 Nordson Corporation Liquid dispenser having individualized process air control
CA2587101A1 (fr) * 2007-03-07 2008-09-07 The David M. Mangelsen Group, Inc. Pistolet produisant des toiles d'araignee
ITFI20130134A1 (it) * 2013-06-03 2014-12-04 Eurosider Sas Di Milli Ottavio & C Apparato di stabilizzazione termica secondo valori preimpostati dei dispositivi di atomizzazione per verniciatura.
BR112017018754B1 (pt) * 2015-03-16 2021-04-13 Nordson Corporation Dispositivo de troca de calor com seção de fenda fina em formato de anel para uso em sistemas de adesivo líquido e métodos relacionados
BR112019009886A2 (pt) * 2016-11-15 2019-08-13 Unilever Nv dispositivo para liberar uma composição detergente fluida a uma superfície e processo para liberar um fluido ou composição fluida em uma superfície de um substrato
BR112019009879A2 (pt) * 2016-11-15 2019-08-13 Unilever Nv dispositivo para aplicação de um fluido a uma superfície
JP2022527365A (ja) * 2019-04-05 2022-06-01 ノードソン コーポレーション アプリケータの空気マニホールド

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1207879A (fr) * 1982-09-06 1986-07-15 Anthony J. Andrews Condenseurs d'epuration et de fractionnement des gaz
EP0224611B1 (fr) * 1985-12-05 1990-03-21 Nordson Corporation Dispositif pour appliquer ou pulvériser des matériaux visqueux
US5194115B1 (en) * 1991-10-29 1995-07-11 Nordson Corp Loop producing apparatus
US5375766A (en) * 1993-03-26 1994-12-27 The Dexter Corporation Hot melt adhesive spray dispenser

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009140472A1 (fr) * 2008-05-15 2009-11-19 Graco Minnesota Inc. Tête de fluide à fixation rapide
EP2285496A1 (fr) * 2008-05-15 2011-02-23 Graco Minnesota Inc. Tête de fluide à fixation rapide
EP2285496A4 (fr) * 2008-05-15 2014-01-22 Graco Minnesota Inc Tête de fluide à fixation rapide

Also Published As

Publication number Publication date
JP2000153185A (ja) 2000-06-06
DE69822835D1 (de) 2004-05-06
AU761181B2 (en) 2003-05-29
CA2284143A1 (fr) 2000-04-28
BR9906120A (pt) 2000-09-12
EP0997200A1 (fr) 2000-05-03
DE69822835T2 (de) 2005-02-10
AU5707199A (en) 2000-05-04

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