WO1989004727A1 - Procede et appareil empechant la formation de depots sur un ajutage - Google Patents

Procede et appareil empechant la formation de depots sur un ajutage Download PDF

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Publication number
WO1989004727A1
WO1989004727A1 PCT/JP1988/001156 JP8801156W WO8904727A1 WO 1989004727 A1 WO1989004727 A1 WO 1989004727A1 JP 8801156 W JP8801156 W JP 8801156W WO 8904727 A1 WO8904727 A1 WO 8904727A1
Authority
WO
WIPO (PCT)
Prior art keywords
solvent
nozzle
compressed gas
adhesive
supply
Prior art date
Application number
PCT/JP1988/001156
Other languages
English (en)
Japanese (ja)
Inventor
Masafumi Matsunaga
Akira Tomihara
Ukyo Tamura
Original Assignee
Nordson Corporation
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
Priority claimed from JP62288626A external-priority patent/JPH08219B2/ja
Priority claimed from JP63000848A external-priority patent/JP2673432B2/ja
Priority claimed from JP63002298A external-priority patent/JP2626984B2/ja
Application filed by Nordson Corporation filed Critical Nordson Corporation
Publication of WO1989004727A1 publication Critical patent/WO1989004727A1/fr

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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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
    • 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
    • B05B7/0012—Apparatus for achieving spraying before discharge from the apparatus

Definitions

  • the present invention relates to a method and an apparatus for preventing the occurrence of a skinning phenomenon in the vicinity of nozzles and nozzles or the vicinity thereof when applying an adhesive or a coating agent.
  • the solvent is water, but once it is skinned near a nozzle or the like, it can be washed with water. This made it impossible and required cleaning with an organic solvent with a higher solubility.
  • New paper In particular, if the above emulsion adhesive is liable to be skinned and progresses and the nozzle is completely solidified and cannot be applied, it can be detected in the post-process. However, in the case of imperfect conditions, the amount of coating varies, but their detection is difficult and
  • Preventing the generation of skin on the upper sloping surface enables continuous operation for a long period of time without monitoring during operation and without washing, improving efficiency and reducing costs. It can greatly contribute to mitigation.
  • One of the objects of the present invention is to apply an emulsion adhesive unattended under the same conditions at all times without solidifying the nozzle or the like.
  • the present invention relates to a two-fluid spraying method of a liquid adhesive or a coating agent, in which a solvent is introduced into a circuit of a compressed gas, and the solvent is refined or atomized by the compressed gas having a pressure Z 0.
  • solvent could be present in or near the air nozzle built into or attached to the adhesive or coating spray gun.
  • the present invention provides a sprayer in a supply circuit for a compressed gas, that is, spray air or pattern air in a two-fluid spray nozzle.
  • the aerosol which is the same or similar to the solvent contained in the emulsion adhesive, etc., is introduced and mixed, and the spraying action by them causes the area around the nozzle to be moistened with the solvent, and
  • the present invention provides a method and an apparatus characterized by washing and preventing the emulsion adhesive from skinning.
  • FIG. 1 is an explanatory view of a basic system in a two-fluid spray
  • FIG. 2 is an explanatory view of a state in which a solvent tube is provided downstream of an opening / closing valve on a compressed air pipe in a two-fluid spray according to the present invention
  • FIG. H is an explanatory view of a state in which a solvent tube is provided downstream of an opening / closing valve on a compressed air pipe in a two-fluid spray according to the present invention
  • Fig. 4 is an explanatory diagram when the solvent tube is solvent pumped
  • Fig. 5 is the terminal of the solvent tube.
  • Fig. 6 is an explanatory diagram of the piping in the same case as above
  • Fig. 7 is an explanatory diagram when applied to the slot nozzle of the present invention
  • Fig. 8 Figures A to 8D show the adhesive and compression
  • FIG. 9 is a state diagram of a residue generated in the conventional two-fluid spray lay Bruno on nozzle.
  • FIG. 10 is an explanatory view of a first method which is a specific invention of the present invention
  • FIGS. 11 and 12 are explanatory views of the operation by the above method
  • FIG. 13 is a liquid and a compressed gas in the above method. Time and the time when the air
  • FIG. 14 is a time graph of six patterns with a timing of 20 and Fig. 14 is an airless spray nozzle according to the second method of the present invention and an extrusion nozzle according to the second method.
  • FIG. 15 is a sectional side view of the same invention when applied to a ball-type transfer nozzle.
  • FIG. 16 is a side sectional view of the same when the invention is applied to a slit nozzle.
  • Fig. 17zs is a sectional side view when applied to the same slot nozzle, and Fig. 18 is the basic timing of jetting of aerosols of a solvent with respect to jetting of liquid and compressed gas by the method of the present invention.
  • Fig. 19 shows the device of the present invention.
  • Fig. 20 shows various patterns based on the basic pattern shown in Fig. 18 above.
  • Fig. 21 shows the method of the present invention applied to airless spray nozzles or exhaust nozzles.
  • Fig. 22 is a side sectional view of the case where the present invention is applied to a ball type transfer nozzle, and
  • Fig. 23 is a side sectional view of the case where the method of the present invention is applied to a slit nozzle.
  • FIG. 24 is a side sectional view when the same is applied to a slot nozzle.
  • the emulsion adhesive (6) is pressurized from the pressurized tank (5) by the air pressure of the desired compressed air, and guided to the spray gun (1) by the hose (7).
  • the emulsion adhesive is discharged from the needle (8-A) and the sheet (8-B) to the outside by the operation of the gun (1).
  • the operation of the gun (1) is performed by compressed air.
  • the three-way valve type solenoid valve (2) is opened, the pre-adjusted air passes through the hose (3) and lifts the piston (4).
  • the piston (4) and the needle (8-A) are connected, and the emulsion adhesive is automatically discharged.
  • the emulsion adhesive is puttered according to the characteristics of the air nozzle (9). Into atomized or atomized particles (21).
  • the nozzle orifice and its surroundings are used.
  • the residue of the ejected liquid (see reference numeral 26 in Fig. 9) dries and the adhesive liquid is wrapped in thin skin, that is, a so-called skinning phenomenon occurs.
  • a solvent contained in a container (16) as shown in FIG. 4 is placed inside an atomizing air hose (10) leading to a gun (1).
  • compressed air for granulation or atomization is mainly discharged intermittently in response to the opening and closing of emulsion adhesive from the standpoint of energy saving.
  • the solvent can be supplied by applying the solvent (14) to the pressurized tank (16) and pressurizing the solenoid valve as shown in Fig. 4 even in the case of the siphon effect formula as shown in Fig. 3. Either method that opens and closes with (17) etc. may be used.
  • the solvent be independently guided to a circuit built in or attached to the spray gun of the adhesive or the coating agent or to the vicinity of the nozzle. This is particularly suitable for forming small and small coating patterns with high-speed intermittent sprays.
  • the solvent should be extremely small, and the particles can be fine or saturated and the relative humidity can be reduced to 99% for aqueous systems. It is okay to just do more
  • the briquetting process requires a high speed and a small coating amount to maintain a constant coating amount, which was previously impossible as described above. It is most suitable for application of regions.
  • Non-contact discharge method such as airless spray method, slit nozzle discharge method, and extension nozzle discharge method, or contact type application method such as slot nozzle and ball pen method
  • the solvent may be introduced into the circuit of the compressed gas.
  • the method of using the compressed gas in a supplementary manner as described above is generally referred to as an air-mix spray, an airless air-spray, or the like. This method is used in the industry to reduce or eliminate droplets that are difficult to atomize, called tils (25), that occur at both ends of the spray pattern zo (24) during air spraying, as shown in Fig. 9. It is used.
  • the gun mechanism of the slot nozzle is omitted because it is generally the same as that of the air spray gun and airless spray gun.
  • the needle or ball (26) rises, and the emul- sion adhesive pressurized by the pump travels through the narrow slit groove (29).
  • a thin coating film (30) is formed on the surface (31).
  • the emulsion adhesive is used for the slot nozzle.
  • the timing for ejecting the solvent is preferably the timing shown in FIG. 8A in all cases.
  • the timing shown in FIG. 8B, 8C, and 8D may be used. Results have been obtained
  • This method is to introduce and supply the aerosol (S a) of the solvent (S) into the supply circuit (8) of the compressed air (CA) in the conventional two-fluid spray method. That is, on the supply circuit (8) of compressed air (CA) which is spray air, and on the gun (1) body
  • the supply port (18) for introducing the aerosol (S a) of the solvent (S) should be installed as close as possible to (2). If it passes through a complicated circuit for a desirable reason in the vicinity, fine particles of the solvent in the aerosol are agglomerated into droplets, which are sprayed to dilute the coating film surface 5 and roughen the film surface Because it will be.
  • compressed air (CA s) containing fine particles of the solvent is ejected from the ejection port (4M) at the end of the ejection passage (4), and as shown in FIG.
  • the fine particles of the solvent strike the periphery of the opening (5M) of the ejection hole (5) of the agent (L), and wet the same, that is, form a thin film of solvent in the 10th part.
  • the residue (Z) of the ejected emulsion adhesive is diluted to eliminate the adhesion.
  • the adhesive or coating agent to be used is preferably a solvent-type or emulsion-type adhesive.
  • the solvent for the emulsion-type adhesive was ice or water.
  • the consumption of the solvent used in the present invention is very small, It has been proven that an adhesive or coating weight ratio of 2% or less is sufficient.
  • a short time (a, b) plus or more time before and after the discharge time, the compressed gas (CA) and the solvent fume ( S a) is a pattern that is jetted simultaneously and at the same time.
  • Fig. 14 shows an example applied to one-fluid spray, that is, airless spray.
  • the solvent aerosol (S a) or a mixture of the aerosol (S a) and the compressed gas (CA) is placed at the appropriate position on the outer circumference of the airless spray nozzle (68).
  • the gas from the provided gas outlet (76 M) toward the tip of the nozzle and activating the pattern air the above-mentioned tile (T) can be eliminated.
  • the fine particles of the above-mentioned aerosol adhere to the vicinity of the nozzles, coagulate and liquefy, forming a liquid film, preventing adhesion of the residue of the ejected liquid, dissolving, and causing skinning. Prevent it.
  • the method of the present invention for the airless spray described above may be further developed and applied to an extrusion nozzle. Since the airless nozzle and the extrusion nozzle are basically the same, please refer to FIG. 14 as described above. That is, the emulsion adhesive (L) is discharged from the nozzle (68), and the aerosol (Sa) or a mixture thereof with the compressed gas (CA) is discharged from the vicinity of the nozzle (68). A plurality of jets (68 M) are jetted around the nozzle hole. And around that is the solvent of the aerosol --Agglomerates and adheres in the form of a film, and the residue is dissolved by #, preventing the occurrence of skinning. The spray of the aerosol and the compressed gas is neither spray air nor pattern air, but is dedicated to nozzle cleaning.
  • the present invention is also applied to a slit nozzle.
  • a slit nozzle At the tip of the slit nozzle, two straight lips are provided facing each other, and aerosols are sprayed from the outside of both sides of these lips.
  • the spray may be applied to only one of the ribs.
  • the solvent aerosol (S a) is located only on the rear side with respect to the coating progress direction (F), that is, on the rear side (97) of the slit lip.
  • the contained compressed air (CAs) may be blown.
  • a slot nozzle is similar to the above-mentioned slit nozzle, and the present invention is similarly applied to this. As shown in Fig. 17, the tip of the slot nozzle is located on the front side of the lip (106), that is, on the object (P) surface of the lip in the traveling direction. In many cases, it is applied while contacting the surface. This is a so-called contact coating method.
  • the method of the present invention can also be applied to a ball-type transfer nozzle that is the same contact type and extrusion type.
  • the nozzle is a ballpoint pen type nozzle as shown in Fig.15. Rich holding ball (86). By spraying the solvent of the aerosol from the outside around (85) and moistening the periphery of the lip, skinning can be prevented beforehand, and clean transfer can always be performed.
  • the operating air (OA) supplied to the gun (1) and the Piping (36, 46, 8) for the thorn (L), compressed gas (CA), etc. is almost the same as the conventional one.
  • the supply port (18) for the solvent aerosol (Sa) is provided in the supply pipe (8) for the compressed gas (CA). It is.
  • the supply line (18) of the aerosol (S a) it is naturally connected to the aerosol generator.
  • a fume generator is used as the generator.
  • the aerosol generator is also called an aerosol generator, in which a required liquid is placed in a sealed container (12), and gas is passed through the nozzle hole (14) from the lower part of the liquid.
  • gas bubbles (S b) rise and rupture at the liquid level, the air film scatters and becomes fine particles, which are dispersed in the gas, and these fumes are obtained. .
  • a solvent is used as the liquid, so that an aerosol of the solvent can be obtained.
  • a liquid heating type humidity, etc.
  • a spray type bench lily tube type an ultrasonic type, or the like
  • an ultrasonic type or the like
  • the supply port (18) for the solvent aerosol is provided in the compressed gas pipe (8).
  • the supply port (18) is provided with the on-off valve for the compressed gas. It is desirable to provide it downstream of (24). The reason is that if there are obstacles on the path of the aerosol, they may condense and form droplets, as described above.
  • a supply port for the above-mentioned aerosol can be provided in the compressed gas passage (4) in the gun body (2) (51) or in the air gap (53).
  • the apparatus shown in Fig. 14 has a pattern air jet port provided outside the raw end of an airless spray nozzle.
  • the number, location, The direction and size have various forms according to the requirements of the north control, but FIG. 5 shows two basic forms provided on both sides as a basic explanation.
  • the pattern air is a compressed gas (A), which is provided with a supply port (73) for an aerosol (Sa) in a supply pipe (75) for the gas.
  • the other side of the supply port is connected to the aerosol generator (71), the other side of the compressed gas supply pipe is connected to the CA source via a solenoid valve, and the electrical wiring is connected to a controller.
  • the supply device of (L) and the supply device of the operation air for the gun are the same as the conventional one, and the description is omitted.
  • Ekusu Torujo N'no nozzle a used device, instead of the putter N'ea piping, that it provide a plurality in the outer periphery of Ekusu Torujo N'no nozzle ejection port of the mixture of dedicated fume body or a compressed gas Since the principle is the same as that of the above-described second device, the description is omitted.
  • the Z coating film is also diluted more than necessary, causing various obstacles such as rough skin.
  • the introduction of the solvent (S) or its aerosol (S a), that is, the flow of the compressed gas (C A) out of the circuit, can be continuous or intermittent.
  • the solvent (S) or its aerosol (I) power is always discharged from a certain inlet under a relatively low pressure, that is, in a very small amount.
  • Fig. 19 shows the specific method.
  • this figure shows the method of introducing the solvent fumes.
  • the aerosol (Sa) generated from the aerosol generator (21) is branched into two circuits (9, 13), a high-pressure side and a low-pressure side, and an automatic pressure regulating valve (1) is provided on the low-pressure side road. 1) or compress the tip of the circuit via a pressure reducing valve (not shown in the figure)
  • New tear paper It is inserted into the gas (CA) supply circuit (6) to form the low pressure side inlet (8). That is, the aerosol (S a) generated from the aerosol generator is continuously discharged into the compressed gas circuit (6) under the required low pressure.
  • the above-mentioned branched high-pressure side circuit (13) is connected via an automatic pressure regulating valve (14) or a pressure reducing valve (not shown in the figure) and a solenoid valve (15) if necessary.
  • the inlet (16) is inserted into the compressed gas (CA) supply circuit (6).
  • the solenoid valve (15) intermittently releases the aerosol (Sa) into the compressed gas circuit (6).
  • the two high and low pressure inlets (8, 16) are provided in series in the compressed gas supply circuit (6), but the high pressure side is preferably closer to the gun.
  • the supply method of the solvent may be two as shown in FIG.
  • the solvent is on the low pressure side of the aerosol (S a), and shows a state in which a small amount of the solvent flows out continuously, which is the basis of various patterns shown below.
  • the compressed gas (CA) is as in the above ttC "pattern.
  • the solvent aerosol (Sa) forms a relatively short time (c, d) before and after the "closed” point (T,) of the compressed gas (CA), and
  • the above "A" pattern is added as a base and flows out and introduced into compressed gas (C15A).
  • liquid residue firmly adheres to the nozzle due to various characteristics due to the gas spray by both the continuous introduction of the solvent or its fumes in a very small amount and the intermittent short introduction of a small amount. Can be completely removed.
  • the above description has been made for the case of the two-fluid spray, but it also applies to other cases. In other words, it is not basically a two-fluid spray (air spray).
  • the aerosol is sprayed with the aerosol jet (76M).
  • slot nozzle similar to the above-mentioned slit nozzle, and the present invention is similarly applied to this.
  • the slot nozzle is attached to the front side (106) of the rip, that is, the tip (106T) of the lip on the zs side in the traveling direction. In many cases, it is applied while contacting the (P) surface.
  • This is a so-called contact coating method.
  • the contact method includes a ball-type transfer nozzle as shown in Fig. 22.
  • the adhesive or coating agent to be used a solvent-type or emulsion-type adhesive is desired, but in the current experiments, the solvent is water or water, especially for the emulsion-type adhesive. Significant effects have been observed for those containing less than 5% alcoholic solvents in water, or those containing less than 5% additives in water.
  • the consumption of the solvent used in the present invention is small, and experiments have proved that the weight ratio of the adhesive or the coating agent is 2% or less.
  • the two-fluid spray gun nozzle (1) and the associated operating air device and liquid supply device are almost the same as the conventional one, but the following items are added to the compressed gas supply device.
  • the inlets (8, 16) for the fumes (Sa) of two solvents are provided in series in the compressed gas supply pipe (6) and toward the gun (1).
  • the one closer to the gun (1) is the high pressure side inlet (16), and the one farther away is the low pressure side inlet (8).
  • each inlet (8, 16) On the opposite side of each inlet (8, 16), it is drawn out of the pipe (6), connected to the solenoid valves (15, 10), respectively, and connected to the low-pressure pipe ( 9) is further connected to the solvent fume generator (21) via an automatic pressure regulating valve (11) or a pressure reducing valve (not shown in the figure).
  • an aerosol generator is shown as the aerosol generator.
  • the aerosol generator is a device in which a liquid is put in a closed container (17), and a gas outlet (19) connected to a gas inlet pipe (18) is provided below the liquid. .
  • Compressed gas (CA) is supplied from the compressed gas source (25) into the gun (1) through an automatic pressure regulating valve (26), a solenoid valve (27), and the like, and It is the same as the conventional case that it is ejected according to the opening and closing of the solenoid valve (27).
  • CA compressed gas
  • the compressed gas (CA) is ejected but also when the compressed gas is stopped, fine particles of the solvent flow out of the nozzle through the passage of the compressed gas in a very small amount in a very small amount. This is a difference from the above embodiment.
  • the pipe (18) is introduced into the semi-hermetic container (17) of the aerosol generator (21) via (22), and the pipe (18) is below the liquid level of the replenished solvent.
  • the liquid is jetted into the liquid from the outlet (19) at the end of the pipe, and rises in the liquid as bubbles (Sb).
  • the bubbles burst at the liquid level.
  • the liquid that is, the solvent, becomes fine particles and scatters into the gas on the liquid surface, so-called aerosol (S a) is generated.
  • These aerosols (S a) are led to the outside from the discharge pipe (15), and are further divided by two branch pipes (12).
  • One of the branch pipes (9) is reduced to a required pressure lower than the original pressure by the self-operating pressure regulating valve (11) or a pressure reducing valve (not shown in the figure) and supplied to the two-fluid spray nozzle (1).
  • the compressed gas (CA) is led into the pipe (6). That is, the aerosol is constantly and continuously discharged during the work at a relatively low pressure (0.5 or less) (see the solvent-aerosol (I) in Fig. 18).
  • the aerosol (Sa) divided into the other by the branch pipe (12) is kept at the original pressure without passing through an automatic pressure regulating valve (14) or a pressure reducing valve, if necessary.
  • the compressed gas is led into the compressed gas pipe (6) through a solenoid valve (15) under a relatively higher pressure than a continuous one.
  • the high-pressure aerosol is intermittently opened and closed by opening and closing the solenoid valve (15) (see the solvent aerosol ( ⁇ ) in FIG. 18).
  • the aerosols of these solvents merge and form a rosary when the two-fluid spray nozzle gushes, as shown in the composite pattern (dish) of the solvent aerosol in Fig. 18. .
  • the rosary-shaped butter can easily remove hard residues that have adhered to the two-fluid spray nose nozzle under various conditions.
  • the introduction method of the high-pressure and low-pressure solvent fumes was described, but there are several other methods.
  • aerosol generator such as the aerosol generator shown in Fig. 18 in place of the aerosol generator, but instead, a less expensive spray type or bench lily tube type, heating type (humidifying type) Used in vessels, etc.), and ultrasonic type can also be used.

Abstract

On applique un courant gazeux atomisé contenant un solvant autour de l'orifice d'un ajutage avant l'application d'un agent adhésfi ou de revêtement, de manière à empêcher la formation de dépôts sur l'ajutage et ses abords. On peut mélanger le solvant dans une matière atomisée produisant du gaz comprimé, ou l'utiliser sous forme d'un courant gazeux indépendant.
PCT/JP1988/001156 1987-11-16 1988-11-16 Procede et appareil empechant la formation de depots sur un ajutage WO1989004727A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP62/288626 1987-11-16
JP62288626A JPH08219B2 (ja) 1987-11-16 1987-11-16 ノズル等の皮張り防止方法
JP63/848 1988-01-06
JP63000848A JP2673432B2 (ja) 1988-01-06 1988-01-06 ノズル部の皮張り防止方法及びその装置
JP63002298A JP2626984B2 (ja) 1988-01-08 1988-01-08 ノズル部の皮張り防止方法及びその装置
JP63/2298 1988-01-08

Publications (1)

Publication Number Publication Date
WO1989004727A1 true WO1989004727A1 (fr) 1989-06-01

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Application Number Title Priority Date Filing Date
PCT/JP1988/001156 WO1989004727A1 (fr) 1987-11-16 1988-11-16 Procede et appareil empechant la formation de depots sur un ajutage

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AU (1) AU2729788A (fr)
WO (1) WO1989004727A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4035091A1 (de) * 1990-11-05 1992-05-07 Pagendarm Gmbh Auftragsvorrichtung
US5435488A (en) * 1994-02-17 1995-07-25 Nordson Corporation Method and apparatus for discharging liquid through a nozzle having a hood
NL1000593C2 (nl) * 1995-06-19 1996-06-11 Nordson Walcom B V Werkwijze en inrichting voor het opbrengen van een kleefmiddel.
DE19639260A1 (de) * 1996-09-25 1998-03-26 Topack Verpacktech Gmbh Vorrichtung zum Auftragen von Leim auf Hüllmaterialzuschnitte
EP1442665A1 (fr) * 2003-01-31 2004-08-04 Hauni Maschinenbau AG Procédé d'encollage d'une bande en mouvement ainsi que dispositif, en particulier pour la mise en oeuvre de ce procédé
WO2011009913A1 (fr) * 2009-07-24 2011-01-27 Windmöller & Hölscher Kg Prévention des dépôts de colle sur une plaque à buses
WO2017050318A1 (fr) * 2015-09-21 2017-03-30 Norbert Deppe Dispositif de nettoyage pour embouts à colle et procédé de nettoyage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6071369U (ja) * 1983-10-24 1985-05-20 アロイ工器株式会社 洗滌装置付き噴霧装置
JPS61167646U (fr) * 1985-04-05 1986-10-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6071369U (ja) * 1983-10-24 1985-05-20 アロイ工器株式会社 洗滌装置付き噴霧装置
JPS61167646U (fr) * 1985-04-05 1986-10-17

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4035091A1 (de) * 1990-11-05 1992-05-07 Pagendarm Gmbh Auftragsvorrichtung
US5435488A (en) * 1994-02-17 1995-07-25 Nordson Corporation Method and apparatus for discharging liquid through a nozzle having a hood
EP0669168A1 (fr) * 1994-02-17 1995-08-30 Nordson Corporation Méthode et appareil pour délivrer un matériau liquide sujet aux problèmes associés au séchage et/ou à l'occlusion à l'extrémité de la buse
NL1000593C2 (nl) * 1995-06-19 1996-06-11 Nordson Walcom B V Werkwijze en inrichting voor het opbrengen van een kleefmiddel.
EP0750948A1 (fr) * 1995-06-19 1997-01-02 Nordson Corporation Procede et dispositif d'application d'un adhesif
US5720850A (en) * 1995-06-19 1998-02-24 Nordson Corporation Process and device for the application of an adhesive
DE19639260A1 (de) * 1996-09-25 1998-03-26 Topack Verpacktech Gmbh Vorrichtung zum Auftragen von Leim auf Hüllmaterialzuschnitte
EP1442665A1 (fr) * 2003-01-31 2004-08-04 Hauni Maschinenbau AG Procédé d'encollage d'une bande en mouvement ainsi que dispositif, en particulier pour la mise en oeuvre de ce procédé
JP2004337150A (ja) * 2003-01-31 2004-12-02 Hauni Maschinenbau Ag 移動される帯材に糊を塗布するための方法および特にその方法を実施するための装置
CN100404143C (zh) * 2003-01-31 2008-07-23 豪尼机械制造股份公司 将粘结剂涂敷于移动幅面的方法及实施该方法的装置
US7470448B2 (en) 2003-01-31 2008-12-30 Hauni Maschinenbau Ag System and method for applying glue to a moving web
JP4539954B2 (ja) * 2003-01-31 2010-09-08 ハウニ・マシイネンバウ・アクチエンゲゼルシヤフト 移動される帯材に糊を塗布するための方法および特にその方法を実施するための装置
WO2011009913A1 (fr) * 2009-07-24 2011-01-27 Windmöller & Hölscher Kg Prévention des dépôts de colle sur une plaque à buses
WO2017050318A1 (fr) * 2015-09-21 2017-03-30 Norbert Deppe Dispositif de nettoyage pour embouts à colle et procédé de nettoyage

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