EP1749586A1 - Procédé et dispositif de régulation de la largeur et/ou de la densité d'une masse liquide - Google Patents

Procédé et dispositif de régulation de la largeur et/ou de la densité d'une masse liquide Download PDF

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Publication number
EP1749586A1
EP1749586A1 EP05107167A EP05107167A EP1749586A1 EP 1749586 A1 EP1749586 A1 EP 1749586A1 EP 05107167 A EP05107167 A EP 05107167A EP 05107167 A EP05107167 A EP 05107167A EP 1749586 A1 EP1749586 A1 EP 1749586A1
Authority
EP
European Patent Office
Prior art keywords
outlet openings
nozzle
application
outlet
container
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.)
Withdrawn
Application number
EP05107167A
Other languages
German (de)
English (en)
Inventor
Jürg Lienhard
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.)
Ebnother AG Sempach Station
Collano AG
Original Assignee
Ebnother AG Sempach Station
Collano AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ebnother AG Sempach Station, Collano AG filed Critical Ebnother AG Sempach Station
Priority to EP05107167A priority Critical patent/EP1749586A1/fr
Publication of EP1749586A1 publication Critical patent/EP1749586A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
    • B27G11/005—Glue guns, glue sprayers

Definitions

  • the invention relates to devices and methods for adjusting the application width and / or the coating density of a flowable mass with a nozzle and a closure.
  • the outflow is adjusted by opening prepared outlet openings.
  • Numerous devices and methods are known for applying flowable compositions to surfaces.
  • the large-area application of low-viscosity liquids is usually carried out as a spray application with spray gun or spray cans.
  • Also known is the order by means of brushes or rollers.
  • adhesive beads are applied from a cartridge via nozzles, nipples or grommets to the parts to be bonded.
  • the nozzles are screwed to the cartridge or it forms a unit with the closure of the cartridge.
  • Such nipples or nozzles usually have conically tapered tips, so that the width of the exiting bead is either specified by the manufacturer or can be determined by cutting.
  • This application method has the particular disadvantage that for applying caterpillar coulters or generally for large-scale application, the applied mass must be subsequently passed with a spatula, in particular a toothed spatula.
  • This method is mainly used for viscous substances.
  • This application requires several operations, especially when multiple caterpillars must be applied one behind the other, which prolongs the application and therefore particularly disadvantageous in fast curing or setting substances.
  • a serpentine caterpillar can also be applied.
  • This has the disadvantage that a uniform application of the adhesive bead is difficult to realize. It is particularly difficult to apply evenly and consistently to narrow, long surfaces such as baseboards. There is a risk of slipping off of the narrow surface, so that a uniform order strongly from the skill resp. depends on a calm hand of the person applying.
  • Another known application method flowable masses is the use of flat or hole nozzles.
  • a flat nozzle instead of a bead, a film of the substance to be applied is applied.
  • a hole nozzle several beads can be applied simultaneously in one go.
  • a disadvantage of such hole nozzles is that the number and the distance of the holes are fixed.
  • the number of exiting beads can only be varied by using different hole nozzles with different number of holes or hole arrangement.
  • the uniform guidance of the nozzle over a surface requires considerable skill, especially if the nozzle head is narrower than the workpiece to be machined.
  • Job width is the distance between the two outermost caterpillars.
  • the application density is determined by the amount of applied substance per surface unit.
  • a device for adjusting the application width and / or the application density preferably comprises a nozzle, on which at least two, preferably at least three, closed outlet openings are provided, which can be opened individually for setting the application width and / or application density.
  • one or more outlet openings are closed with one or more cams, which can be separated to create outlet openings.
  • Cams are only slightly above the outlet openings to understand outstanding closures, which are not comparable to the nipples on conventional tube closures. Substantially protruding cams would hinder the application of the mass, especially if the outlet openings are only selectively opened.
  • the cams for opening the outlet openings are separated flush with the nozzle surface, for example with a knife. It has been found that when the die is injection molded from plastic, the cam shape is particularly well suited: the cams are easily separated and the closed orifices remain reliably closed even with increased internal pressure in the die.
  • the outlet openings can be opened by separating, for example by tearing or pushing in, of cover elements.
  • the separation takes place along one or more predetermined breaking points.
  • the predetermined breaking points are already produced during the production of the nozzle head by injection molding.
  • the predetermined breaking points are punched in a second production step in the output bar.
  • Another method of manufacturing the fractures are material removal processes, such as milling or etching.
  • a preferred nozzle form comprises a nozzle head, which expands against the exit region in a plane. As a result, larger job widths are possible.
  • the openable outlet openings are arranged in a plane of the outlet area, in particular on an output bar of the nozzle.
  • flat output bars prove to be advantageous.
  • the plane of the outlet openings is formed in a preferred manner analogous to the surface profile.
  • the plane of the exit openings forms a right angle to the longitudinal axis of the storage container, such as e.g. a cartouche.
  • the composition when applied by hand, can be applied particularly advantageously by resting an edge of the dispensing strip on a surface and angling the container over the surface, preferably at an angle of approximately 30 ° to 60 ° to the surface, so that the outlet openings do not lie directly on the surface and the mass can flow out freely or can be pushed out.
  • One or more openable outlet openings are preferably arranged on an output bar, which is fastened or attachable in the outlet area. It has been found that the production of injection molded plastic nozzles advantageously takes place in two parts by creating a slot die and an output strip. In a second step, the parts are permanently or only temporarily connected.
  • the prepared exit openings are arranged so as to leave sufficient space therebetween to provide additional exit openings at optional locations adjacent the prepared exit openings, e.g. by drilling.
  • a removable dispensing bar facilitates the attachment of additional openings in the nozzle head and / or the dispensing bar.
  • the distance between two adjacent outlet openings is preferably constant and is preferably in a range from about 1 to 100 mm. Particularly advantageous proves a distance of about 20 mm. Of course, other distances are conceivable and the invention is not limited to the dimensions mentioned. It is advisable not to choose the distance too large, since not all the outlet openings must be opened, which in turn results in a greater distance between the beads.
  • the nozzle head is provided in the outlet region with at least one protruding guide element.
  • the nozzle head can be guided along an edge or corner, for example, so that a uniform application of the hand can be achieved.
  • the distance of a guide element to the nearest outlet opening is preferably half the distance between two adjacent outlet openings and is in particular in the range of 0.5 to 50 mm, preferably 10 mm. This ensures a uniform application of the mass to a surface.
  • the preforming of the exiting bead is determined only by the wall thickness of the exit area.
  • no extensions are attached to the outlet openings, neither on the outside nor on the inside in the nozzle head. This is advantageous when applying highly viscous substances, because in this way the extrusion pressure does not have to be additionally increased due to increased wall friction at the outlet openings. At the same time the risk of clogging is reduced, because narrow channels are missing.
  • the outlet openings are arranged in an approximately perpendicular to the flow direction of the exiting flowable mass extending wall of the outlet strip.
  • the nozzle is connected or connectable to a container, in particular a cartridge, a tube or a tubular bag.
  • a container in particular a cartridge, a tube or a tubular bag.
  • the nozzle is preferably provided with a connecting means, in particular a thread.
  • a connecting means in particular a thread.
  • Particularly advantageous is an internal thread, which can be screwed onto conventional commercial threaded fasteners.
  • the inventive device for closing a container such as a cartridge, tube or tubular bag, comprises a lower shoulder part with an inlet opening which is connected to the container or connectable.
  • the device also comprises a nipple, which is provided with an outlet opening or is providable.
  • the inlet opening and the outlet opening are connected via at least one channel.
  • a connection region is arranged, with which exchangeable applicator devices, in particular nozzles described above, can be fastened or fastened.
  • connection region comprises a standardized external thread.
  • This can be conventional tip or flat nozzles attach or a nozzle according to claim 1, provided that the nozzles have a corresponding thread.
  • a preferred embodiment is characterized in that the outlet opening with a closure piece, in particular a cap, is closed or closable. With the closure piece of the container can be temporarily closed and drying of the contents is prevented.
  • Conceivable is a closure piece, which is attached to the nipple, as well as longer Verschlus commonlye be used, which are attached to the connection area between the shoulder part and nipple.
  • Another preferred embodiment comprises a container for a flowable mass, in particular a cartridge, tube or a tubular bag with a device for adjusting the application width and / or application density according to the above description.
  • the invention further comprises a system with a device for adjusting the application width and / or application density of a flowable mass with a nozzle and a device for closing a container as described above.
  • Another embodiment comprises a system comprising a container for a flowable mass, a closure device as described above and an application device for adjusting the application width and / or application density of a flowable mass.
  • the above systems comprise a plurality of nozzles for applying mass in different application width and / or application density. They differ primarily in the design of the output bar. Therefore, interchangeable dispensing bars in combination with one and the same nozzle head are particularly practical. This is advantageous, for example, different surfaces to edit with milled profiles or to vary the exit quantity.
  • the invention also includes a method for adjusting the application width and / or the application density of a flowable mass, in particular an adhesive, with a nozzle comprising a nozzle head. At the nozzle head at least two outlet openings for adjusting the application width and / or application density of the mass are opened. The selection of the openings is freely selectable under the prepared outlet openings.
  • nozzle 1 shows a nozzle 1 according to the invention with a nozzle head 2 and an outlet region 3.
  • cams 5 are arranged above the outlet openings on the delivery bar 7. There are also more or less than four cams 5 conceivable.
  • the nozzle head 2 expands against the outlet region 3 in a plane and at the narrower end of the nozzle head connecting means 9 are mounted, which allow to connect the nozzle with a container.
  • a lateral guide element 8 protrudes beyond the plane of the outlet openings and forms a right angle with this.
  • FIG. 2 A same nozzle as in Fig. 1 is shown in Fig. 2 in a view.
  • the cams 5 on the discharge bar 7 projecting beyond the plane of the outlet openings 4, which are closed by the cams.
  • the distance between the lateral guide element 8 is half the distance between two adjacent outlet openings 4. Shown dashed is the inner nozzle area where the mass can flow.
  • FIG 3 shows a schematic view of the narrow side of a nozzle 1.
  • the nozzle 1 comprises connecting means 9 from where the walls of the nozzle head 2 taper conically toward one another and in the fan-shaped region the nozzle head walls extend parallel to one another.
  • As an internal thread connecting means is shown, so that the nozzle 1 on a cartridge (not shown) can be screwed.
  • the guide element 8 protrudes beyond the plane with the outlet openings 4.
  • FIG. 4 a shows another embodiment of the guide element 8 in a view of the narrow side of the nozzle head 2.
  • the element is perpendicular to the broad plane of the nozzle head 2 and does not protrude beyond the plane of the outlet openings 4.
  • an annular disk-shaped guide element 8 is realized, which is mounted perpendicular to the widening plane and protrudes both over the plane with the outlet openings 4 and on both sides over the widening plane of the nozzle head 2.
  • FIG. 5 shows a cross section of an outlet opening 4 in an output bar 7, which is closed by a cam 5. With a tangential to the plane of the outlet openings 4 section, the cam 5 can be removed.
  • FIG. 6 shows a cross section through another embodiment of an outlet opening 4 prepared for opening: the cover element 6 is connected to the output bar 7 via predetermined breaking points 20.
  • FIG. 7 shows a perspective view of a closure device 25 for a container 24, in particular for low-viscosity substances.
  • the shoulder part 10 is initially cylindrical and has threads on the inside for connection to a container 24 and tapers conically towards the connection region 15. which is provided here with an external thread 17.
  • an external thread 17 can now any nozzles, especially those as shown in Fig. 1 or commercially available pointed nozzles, are attached.
  • a nipple 12 which is shown cylindrically, through which then the adhesive can flow through the channel 14 from the outlet opening 13.
  • a closure piece 16 is attached via a flexible band, with which the nipple 12 can be temporarily closed. It is also possible to choose a larger closure piece 16 which can be screwed to the connection area 15, in which case the closure piece 16 must be separated from the flexible band.
  • the shoulder part 10 comprises an internal thread 18 and, moreover, it tapers to the connection region 15 with the external thread 17 followed by the nipple 12 with an outlet opening 13.
  • the nipple 12 is connected to the Closure piece 16 closed.
  • FIG. 9 shows a schematic cross section through a workpiece 22 with beads 23. Three beads 23 are shown, ie three of the seven total outlet openings 4 on the nozzle head 2 have been opened. In FIG. 10, four out of seven outlet openings 4 are open, so that four caterpillars 23 are created, which are distributed over a larger area of the workpiece 22.
  • the application density becomes smaller, but the application width is wider than in FIG. 9.
  • Fig. 11 illustrates a container 24 and a nozzle 1 for adjusting the application width and / or the coating density.
  • the nozzle 1 was screwed directly onto the container 24.
  • Fig. 12 shows in a view a container 24, a closure device 25 and a nozzle 1 for adjusting the application width and / or the order density. In this illustration, the three parts are shown screwed together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Closures For Containers (AREA)
EP05107167A 2005-08-03 2005-08-03 Procédé et dispositif de régulation de la largeur et/ou de la densité d'une masse liquide Withdrawn EP1749586A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05107167A EP1749586A1 (fr) 2005-08-03 2005-08-03 Procédé et dispositif de régulation de la largeur et/ou de la densité d'une masse liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05107167A EP1749586A1 (fr) 2005-08-03 2005-08-03 Procédé et dispositif de régulation de la largeur et/ou de la densité d'une masse liquide

Publications (1)

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EP1749586A1 true EP1749586A1 (fr) 2007-02-07

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EP05107167A Withdrawn EP1749586A1 (fr) 2005-08-03 2005-08-03 Procédé et dispositif de régulation de la largeur et/ou de la densité d'une masse liquide

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EP (1) EP1749586A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012002829U1 (de) * 2011-12-20 2013-03-21 Biomet Sas Vorrichtung zur Anwendung von Knochenzement
GB2511290A (en) * 2013-01-22 2014-09-03 Gekko Ind Ltd Dispensing head
US9259256B2 (en) 2011-12-20 2016-02-16 Biomet Sas Method and apparatus for delivery of bone cement
CN107405641A (zh) * 2015-03-13 2017-11-28 3M创新有限公司 用于分配到面板边缘上的喷嘴端口和方法
CN107405645A (zh) * 2015-03-13 2017-11-28 3M创新有限公司 用于分配到部分切口面板上的喷嘴端口和方法
US10070907B2 (en) 2015-03-04 2018-09-11 Biomet Sas Angled nozzle with connection assembly system
CN109940900A (zh) * 2018-11-23 2019-06-28 新疆水利水电科学研究院 土工膜粘接压膜装置
CN110497489A (zh) * 2019-08-02 2019-11-26 周千 一种木板胶水涂抹机
DE102019111183A1 (de) * 2019-04-30 2020-11-05 Tesa Nie Wieder Bohren Gmbh Klebstoffapplikator
US11850624B2 (en) 2019-03-25 2023-12-26 Medmix Switzerland Ag Distributor head for a distributor apparatus and distributor apparatus

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3346146A (en) * 1966-02-25 1967-10-10 Schering Corp Combination dispenser
GB1371662A (en) * 1971-11-01 1974-10-23 Spotnails Pneumatically powered dispensing tool
DE8337643U1 (de) 1983-12-30 1984-03-29 Goerner, Olaf, 2120 Lüneburg Vorrichtung zum auftragen von viskosen fluessigkeiten auf flaechige bahnen- oder plattenteile
SE446079B (sv) * 1983-05-02 1986-08-11 Kjell Carlsson I ett stycke gjord forslutningsanordning for en behallare
US4728007A (en) * 1986-10-16 1988-03-01 Minnesota Mining And Manufacturing Company Dispensing assembly with nozzle storage
US5183006A (en) * 1992-01-27 1993-02-02 Robinson Maureen G Dispensing liquid animal pick applicator
DE4241114A1 (de) * 1992-12-07 1994-06-09 Friedhelm Schneider Verschließbare Düse für Kartuschen
US5540804A (en) * 1992-04-08 1996-07-30 Nordson Corporation Dual format adhesive apparatus, process and article
EP0842747A1 (fr) * 1996-11-01 1998-05-20 Premark RWP Holdings, Inc. Dispositif d'encollage pour plancher laminé
WO2001026824A1 (fr) * 1999-10-12 2001-04-19 Brian Grossman Distributeur automatique de fluide et/ou de particules
WO2004065023A1 (fr) * 2003-01-20 2004-08-05 Staempfli Paul Dispositif pour distribuer de la colle
WO2004108302A1 (fr) * 2003-06-06 2004-12-16 Alan Spencer Dispositif distributeur et buse de distribution s'utilisant avec ce dispositif
US20050051571A1 (en) * 2003-09-09 2005-03-10 Carruth Ronald Scott Tip for a caulking gun

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3346146A (en) * 1966-02-25 1967-10-10 Schering Corp Combination dispenser
GB1371662A (en) * 1971-11-01 1974-10-23 Spotnails Pneumatically powered dispensing tool
SE446079B (sv) * 1983-05-02 1986-08-11 Kjell Carlsson I ett stycke gjord forslutningsanordning for en behallare
DE8337643U1 (de) 1983-12-30 1984-03-29 Goerner, Olaf, 2120 Lüneburg Vorrichtung zum auftragen von viskosen fluessigkeiten auf flaechige bahnen- oder plattenteile
US4728007A (en) * 1986-10-16 1988-03-01 Minnesota Mining And Manufacturing Company Dispensing assembly with nozzle storage
US5183006A (en) * 1992-01-27 1993-02-02 Robinson Maureen G Dispensing liquid animal pick applicator
US5540804A (en) * 1992-04-08 1996-07-30 Nordson Corporation Dual format adhesive apparatus, process and article
DE4241114A1 (de) * 1992-12-07 1994-06-09 Friedhelm Schneider Verschließbare Düse für Kartuschen
EP0842747A1 (fr) * 1996-11-01 1998-05-20 Premark RWP Holdings, Inc. Dispositif d'encollage pour plancher laminé
WO2001026824A1 (fr) * 1999-10-12 2001-04-19 Brian Grossman Distributeur automatique de fluide et/ou de particules
WO2004065023A1 (fr) * 2003-01-20 2004-08-05 Staempfli Paul Dispositif pour distribuer de la colle
WO2004108302A1 (fr) * 2003-06-06 2004-12-16 Alan Spencer Dispositif distributeur et buse de distribution s'utilisant avec ce dispositif
US20050051571A1 (en) * 2003-09-09 2005-03-10 Carruth Ronald Scott Tip for a caulking gun

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012002829U1 (de) * 2011-12-20 2013-03-21 Biomet Sas Vorrichtung zur Anwendung von Knochenzement
US9259256B2 (en) 2011-12-20 2016-02-16 Biomet Sas Method and apparatus for delivery of bone cement
GB2511290A (en) * 2013-01-22 2014-09-03 Gekko Ind Ltd Dispensing head
US10070907B2 (en) 2015-03-04 2018-09-11 Biomet Sas Angled nozzle with connection assembly system
CN107405641A (zh) * 2015-03-13 2017-11-28 3M创新有限公司 用于分配到面板边缘上的喷嘴端口和方法
CN107405645A (zh) * 2015-03-13 2017-11-28 3M创新有限公司 用于分配到部分切口面板上的喷嘴端口和方法
US10549308B2 (en) 2015-03-13 2020-02-04 3M Innovative Properties Company Nozzle tip and method for dispensing onto a partial cut panel
CN109940900A (zh) * 2018-11-23 2019-06-28 新疆水利水电科学研究院 土工膜粘接压膜装置
US11850624B2 (en) 2019-03-25 2023-12-26 Medmix Switzerland Ag Distributor head for a distributor apparatus and distributor apparatus
DE102019111183A1 (de) * 2019-04-30 2020-11-05 Tesa Nie Wieder Bohren Gmbh Klebstoffapplikator
CN110497489A (zh) * 2019-08-02 2019-11-26 周千 一种木板胶水涂抹机
CN110497489B (zh) * 2019-08-02 2021-08-13 桃江县广源木业科技股份有限公司 一种木板胶水涂抹机

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