WO2005087386A1 - Dispositif pour distribuer de la colle sur une surface - Google Patents

Dispositif pour distribuer de la colle sur une surface Download PDF

Info

Publication number
WO2005087386A1
WO2005087386A1 PCT/NL2005/000177 NL2005000177W WO2005087386A1 WO 2005087386 A1 WO2005087386 A1 WO 2005087386A1 NL 2005000177 W NL2005000177 W NL 2005000177W WO 2005087386 A1 WO2005087386 A1 WO 2005087386A1
Authority
WO
WIPO (PCT)
Prior art keywords
glue
distribution
opening
distributing device
chamber
Prior art date
Application number
PCT/NL2005/000177
Other languages
English (en)
Inventor
Daniel Bonne
Pieter Broekman
Original Assignee
D. Bonne Mechanisatie B.V.
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 D. Bonne Mechanisatie B.V. filed Critical D. Bonne Mechanisatie B.V.
Priority to EP05722032.9A priority Critical patent/EP1729890B1/fr
Publication of WO2005087386A1 publication Critical patent/WO2005087386A1/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
    • 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

Definitions

  • the present invention relates to a device for distributing glue and relates in particular to a glue distributing device for substantially evenly distributing glue over a surface, the glue distributing device extending substantially in at least a first direction.
  • the glue distributing device comprises a main distribution chamber for substantially evenly distributing the glue in said first direction, the main distribution chamber comprising a number of outlet openings for discharging the glue from the distributing device and applying it to said surface; a predistribution chamber for at least partially evenly distributing the glue in said first direction, the predistribution chamber comprising a number of distribution openings for supplying the glue from the predistribution chamber to the main distribution chamber; and at least one supply opening for supplying the glue to said predistribution chamber.
  • the present invention furthermore relates to a glue distributing assembly comprising said glue distributing device and to the use of the glue distributing device in distributing glue on a floor surface.
  • a glue distributing device of this type is known from US 5366309 which describes a device for applying glue to a floor surface.
  • the glue is pressed from a tank to a predistribution chamber using gas pressure, following which the glue flows to a main distribution chamber with outlet openings via a number of lines .
  • the known glue distributing device is, however, only suitable for relatively low-viscosity types of glue.
  • US 5366309 describes that the device is preferably suitable for types of glue having a viscosity in the range from 11,000 to 13,500 centipoise (11.0 - 13.5 Pa.s).
  • the known device is not suitable for highly viscous types of glue, such as the current environmentally friendly types of glue, as such glues cannot be pressed out of the outlet openings using gas pressure and.
  • the invention provides a glue distributing device of the type mentioned in the introduction, the position and size of the distribution openings having been chosen such that, in use, a substantially even pressure distribution of the glue in the main distribution chamber is effected.
  • the amount of glue which flows through an opening per unit time depends on the pressure which is exerted on the glue and on the diameter of the opening.
  • One characteristic of a highly viscous liquid is that any pressure which is applied is absorbed locally by the liquid and therefore does not result in a spreading of the glue.
  • it is important for the glue distributing device that the pressure immediately behind the opening is relatively high when glue flows out of an opening, but that the pressure decreases relatively quickly as the distance to the opening increases.
  • the pressure behind the supply opening in the predistribution chamber is high.
  • the pressure decreases and a decreasing amount of glue will flow through the separate distribution openings of identical cross-sectional diameter.
  • uniform glue distribution means that the pressure on every location in the glue in different directions can have a different value, but that the pressure in a specific direction on every location is substantially uniform. This makes the pressure at each discharge opening substantially uniform in the direction of discharge and the same amount of glue per unit surface area and per unit time flows out of the distributing device. As mentioned above, the amount of glue which flows through an opening depends on the pressure applied and the diameter of the opening.
  • the cross-sectional area of each distribution opening increases as the distance of the respective distribution opening to said supply opening increases.
  • the pressure on the glue decreases.
  • the cross-sectional area of the opening increases, the pressure difference can be compensated in such a manner that, on balance, substantially the same amount of glue flows through each distribution opening. In this manner, a substantially uniform pressure distribution in the main distribution chamber is achieved.
  • the distance between each pair of successive distribution openings decreases as the distance of said pair of successive distribution openings to the supply opening in said direction increases. As the distance between the distribution openings decreases, the number of distribution openings per unit length increases.
  • the predistribution and/or main distribution chambers are preferably cylinder-shaped, with the cylinder extending in said first direction.
  • the pressure in the glue behind an opening is relatively high.
  • the pressure which is exerted on the glue and causes the glue to flow through the opening is directed mainly at right angles to a plane of the opening.
  • the glue therefore moves mainly at right angles to the plane of the opening, that is to say in the direction of a normal to said plane.
  • each distribution opening has a distribution opening normal line, which is at right angles to a plane of the distribution opening, in the centre of the distribution opening
  • each supply opening has a supply opening normal line, which is at right angles to a plane of the supply opening, in the centre of the supply opening.
  • the glue flowing out of the supply opening hits an inner wall of the distribution chamber and subsequently spreads in that distribution chamber.
  • the supply opening normal line crosses each distribution opening normal line. This means that none of the distribution openings are in line with supply openings and, in addition, that each distribution opening is also displaced with respect to a supply opening in said first direction. The pressure in each distribution opening will thus be directed in said first direction, which further assists a uniform distribution in said first direction.
  • each distribution opening has a distribution opening normal line which is at right angles to a plane of the distribution opening in the centre of the distribution opening and that each discharge opening has a discharge opening normal line which is at right angles to a plane of the discharge opening in the centre of the discharge opening, it is preferable, in the same manner as described above and with the same effect, if none of the distribution opening normal lines coincides with any of the discharge opening normal lines.
  • a throttle tube is arranged in the main distribution chamber. The throttle tube collects the glue which enters the main distribution chamber via the distribution openings and distributes it further, before the glue reaches the discharge openings. The throttle tube therefore assists in the pressure distribution becoming uniform.
  • a filter is arranged in the main distribution chamber.
  • the function of the filter is to filter the glue for contaminations, such as dirt and solidifications .
  • the filter ensures a further distribution of the glue in the main distribution chamber.
  • All the discharge openings preferably have a substantially identical diameter and/or a substantially identical distance between them in said first direction, so that substantially identical bands of glue are applied to the surface in an even pattern.
  • the device according to the present invention is in particular suitable for use for applying glue to a floor surface .
  • the glue distributing device may form part of a glue distributing assembly.
  • a glue distributing assembly comprises a tank for holding a quantity of glue; a glue distributing device according to the present invention; and a pump for moving the glue from the tank to said glue distributing device.
  • highly viscous glue in particular, is unsuitable to be moved by, for example, gas pressure.
  • a pump which is suitable for use with highly viscous liquids.
  • the glue is pumped from the tank to the distributing device by the pump.
  • the tank may be a specific tank or may be a packaging of the glue, such as, for example, a known plastic bucket, with the pump pumping the glue directly from the packaging. In that case, the glue does not first have to be transferred to a specific tank by an individual.
  • the assembly furthermore comprises a conveying hose, with the pump pumping the glue to the glue distributing device via the conveying hose.
  • a conveying hose is preferably flexible, so that the tank and the pump can be placed in a fixed position, while an individual can move the glue distributing device over the surface and thereby apply glue to the surface.
  • the assembly furthermore comprises a metering device, with which the amount of glue to be applied to a surface can be metered.
  • a metering device of this type may be a valve arranged in the connection between the pump and the distributing device, but may also be, for example, an electronic control of the pump.
  • Fig. 1 shows a bottom view of a preferred embodiment of a glue distributing device according to the present invention
  • Fig. 2 shows a section through the device of Fig. 1 along line A-A;
  • Fig. 3 shows a section through the device of Fig. 1 along line B-B;
  • Fig. 4 shows a side view of the preferred embodiment of a glue distributing device according to the present invention of Fig. 1;
  • Fig. 5 shows a section through the device of Fig. 1 and Fig. 4 along line C-C
  • Fig. 6 shows a side view of a glue distributing device and a glue supply hose while glue is being applied to a surface
  • Fig. 7 shows a diagrammatic view of a glue distributing assembly according to the present invention.
  • Fig. 1 shows a glue distributing device 1 according to the present invention.
  • the glue distributing device comprises a main distribution chamber 2 provided with discharge openings 8.
  • a predistribution chamber 4 is arranged against the main distribution chamber 2.
  • a supply connection 6 comprises a glue supply opening to the predistribution chamber 4.
  • the distributing device 1 extends essentially along line A-A.
  • walls 2A and 2B are shown in a section of the main distribution chamber 2, which is shown in Fig. 2, walls 2A and 2B are shown.
  • the side wall 2A substantially forms a cylinder shape, which terminates with end walls 2B, which are preferably removable.
  • Distribution openings 10A and 10B form an open connection with the predistribution chamber.
  • the surface of the distribution opening 10A is smaller than the surface of the distribution opening 10B.
  • a throttle tube is arranged in the main distribution chamber 2, which throttle tube has been partially cut away in Fig. 2 in order to show distribution openings 10A and 10B and has therefore been indicated by means of throttle tube ends 12A and 12B.
  • a filter has been indicated by means of filter ends 14A and 14B, which filter is arranged in the main distribution chamber 2.
  • a cross section along line B-B which is indicated in Fig. 1 is shown in Fig. 3.
  • Fig. 3 clearly shows that the main distribution chamber wall 2A forms a cylinder and that the throttle tube 12 is arranged in the centre of the section of the cylinder.
  • the filter 14 is arranged on the inside of the wall 2A.
  • the predistribution chamber 4 is arranged between the supply connection 6 and the main distribution chamber 2.
  • a supply hose 20 has been fitted, so that glue can flow through the supply hose 20 via a supply opening into the predistribution chamber 4.
  • Fig. 4 shows a side view of the glue distributing device, in which a discharge opening 8 is shown by a dotted line.
  • the end of the supply hose 20, the supply connection 6, the predistribution chamber 4 and the main distribution chamber 2 are positioned in line, whereas an axis 8A going through the discharge opening 8 is not parallel to said line.
  • Fig. 5 shows a section through the device along line C-C.
  • FIG. 5 shows the supply connection 6 with a supply opening 6A, the predistribution chamber 4 and the main distribution chamber 2.
  • the walls 2A and 2B form the main distribution chamber 2, which contains a throttle tube 12, indicated by ends 12A and 12B, and a filter, indicated by ends 14A and 14B.
  • the distribution openings 10A and 10B are of different width. Part of the main distribution chamber 2 has not been cut away and in that part, the discharge openings 8 have been indicated.
  • Fig. 6 shows a side view of the glue distributing device 1 in use.
  • the glue distributing device 1 moves over a surface S in the direction of the arrow R, while glue 16 flows through the supply hose 20 and is applied to the surface S via the supply connection 6, the predistribution chamber 4 and the main distribution chamber 2.
  • a suitable assembly for applying glue is shown in a block diagram. In addition to the glue distributing device
  • the assembly comprises a tank or glue storage holder 22, a suitable pumping device 24, a supply hose 20 and a metering device 26.
  • the metering device 26 may also be located upstream of the pumping device 24, immediately downstream of the pumping device 24 or in the supply hose 20.
  • Glue or any desired other liquid, is in a storage holder 22 and a pumping device 24 suitable for highly viscous liquids such as glue, for example a pneumatic grease gun with a preset pressure ratio and a suitable introduction mechanism, moves the glue through a hose 20 to a distributing device 1. Glue which flows out of the distributing device 1 is substantially evenly distributed over a surface.
  • An application for which the embodiment shown is particularly suitable is the application of glue to a floor surface in order to subsequently affix floorboards, such as wooden floorboards, but for example carpeting as well, on said floor surface.
  • the tank 22 and the pumping device 24 can be placed in a fixed position, while the distributing device 1 can be moved over the surface, the supply hose preferably being flexible.
  • the glue distributing device 1 according to the present invention is suitable for all kinds of liquids, but is particularly suitable for highly viscous liquids, such as specific types of (floor) glue with a viscosity of up to 60,000 centipoise (60 Pa.s) or more.
  • the distributing device 1 contains a number of features in order to distribute the glue which is supplied via a supply opening in such a way through the device that eventually a substantially uniform pressure is present at each discharge opening 8 in a direction of discharge.
  • Glue which is supplied via a supply connection 6 flows into a predistribution chamber 4.
  • Fig. 5 shows that the glue cannot flow through to the main distribution chamber 2 immediately, but is forced to one side. This results in a change in the direction of the pressure, namely to the direction in which the distributing device 1 extends.
  • the pressure in the glue decreases. In the case of a highly viscous liquid, the pressure reduction is relatively rapid as the pressure is partially absorbed by the liquid.
  • a number of distribution openings 10A and 10B are provided between the predistribution chamber and the main distribution chamber 2 for through-flow to the main distribution chamber 2.
  • the distance between the individual distribution openings 10 is the same. In contrast with the embodiment shown, this distance may also decrease as the distance to the supply opening 6A increases.
  • the cross-sectional areas may vary as described above or may stay the same.
  • the glue may be pressed through a filter 14 and against a throttle tube 12 in the main distribution chamber 2 in order to further equalize the pressure.
  • the throttle tube 12 thus prevents the pressure of the influent glue from being exerted immediately onto the glue flowing out of the device 1 (Fig. 6) .
  • the main distribution chamber 2 fills with glue, or another liquid, which has such a uniform pressure distribution, that the same amount of glue 16 flows out of each discharge opening and the glue 16 is applied in bands on the surface S.
  • the two end walls 2B of the main distribution chamber 2 are preferably removable.
  • the advantage of such removability is that the main distribution chamber 2 and the filter 14 can be cleaned or replaced in a simple manner.
  • the device can also be cleaned using highly pressurized water if water-based glues have been used.
  • the distributing device can be designed for various suitable widths.
  • the width of the device can be adjusted, for example with the aid of extensions which are fastened to the device 1 instead of the end walls 2B. In this case, it is obviously preferable to make a corresponding extension to the predistribution chamber 4.

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  • Coating Apparatus (AREA)

Abstract

La présente invention concerne un dispositif de distribution (1) dont les caractéristiques lui permettre de distribuer un liquide hautement visqueux tel qu'une colle pour sols, afin d'obtenir une répartition de pression uniforme dans le liquide. La répartition de pression uniforme garantit que sensiblement la même quantité de colle par unité de temps, sort de l'ouverture de sortie du dispositif de distribution. Lesdites caractéristiques sont la position et la taille des ouvertures de distribution (10A, 10B) qui relient une chambre de pré-distribution (4) à la chambre de distribution principale (2), ayant été choisies de sorte que, malgré une différence de pression dans la chambre de pré-distribution, sensiblement la même quantité de colle s'écoule à travers l'ouverture de distribution, de la chambre de pré-distribution à la chambre de distribution principale. Le dispositif de distribution peut constituer une partie d'un système de distribution. Le dispositif de distribution et le système de distribution conviennent en particulier à l'utilisation pour appliquer de la colle pour sols à la surface d'un sol.
PCT/NL2005/000177 2004-03-11 2005-03-10 Dispositif pour distribuer de la colle sur une surface WO2005087386A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05722032.9A EP1729890B1 (fr) 2004-03-11 2005-03-10 Dispositif pour distribuer de la colle sur une surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1025695A NL1025695C2 (nl) 2004-03-11 2004-03-11 Inrichting voor het verdelen van lijm over een oppervlak.
NL1025695 2004-03-11

Publications (1)

Publication Number Publication Date
WO2005087386A1 true WO2005087386A1 (fr) 2005-09-22

Family

ID=34961608

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2005/000177 WO2005087386A1 (fr) 2004-03-11 2005-03-10 Dispositif pour distribuer de la colle sur une surface

Country Status (3)

Country Link
EP (1) EP1729890B1 (fr)
NL (1) NL1025695C2 (fr)
WO (1) WO2005087386A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1032283C2 (nl) * 2006-08-08 2008-02-14 Opstalan B V Orgaan voor het aanbrengen van een viskeus mengsel op een ondergrond, alsmede werkwijze voor het vervaardigen van een isolatie-element.
WO2008104492A3 (fr) * 2007-02-28 2009-01-22 Basf Se Procédé de fabrication d'éléments composites sur la base de mousses à base d'isocyanate
EP2353732A1 (fr) * 2010-01-28 2011-08-10 Verwaltungsgesellschaft Fuggerstrasse Gbr, vertreten durch den Geschäftsführer Herrn Thomas von Schreitter Baguette distributrice
RU2493004C2 (ru) * 2007-12-17 2013-09-20 Басф Се Способ изготовления композитных элементов на базе пенопластов на изоцианатной основе
US11850624B2 (en) 2019-03-25 2023-12-26 Medmix Switzerland Ag Distributor head for a distributor apparatus and distributor apparatus

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895984A (en) * 1970-10-15 1975-07-22 Pacific Adhesives Co Plywood manufacture using foamed glues
US4622239A (en) * 1986-02-18 1986-11-11 At&T Technologies, Inc. Method and apparatus for dispensing viscous materials
US5326401A (en) * 1992-08-28 1994-07-05 Wearguard Corp. Emulsion coater
US5366309A (en) 1993-07-08 1994-11-22 Springall Ernest G L Apparatus for applying adhesive
WO2000050215A1 (fr) * 1999-02-26 2000-08-31 The Procter & Gamble Company Procede d'extrusion d'une couche continue
WO2000069571A1 (fr) * 1999-05-17 2000-11-23 A.W. Faber-Castell Unternehmensverwaltung Gmbh & Co. Dispositif pour l'application de structures en relief en matiere plastique sur des surfaces
US6340122B1 (en) * 1998-06-18 2002-01-22 Casco A/S Spreader for spreading a fluid, such as an adhesive
EP1262244A2 (fr) * 2001-06-01 2002-12-04 Halla Climate Control Corp. Buse de revêtement ainsi que procédé et dispositif de revêtement d'un piston de compresseur utilisant ladite buse

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895984A (en) * 1970-10-15 1975-07-22 Pacific Adhesives Co Plywood manufacture using foamed glues
US4622239A (en) * 1986-02-18 1986-11-11 At&T Technologies, Inc. Method and apparatus for dispensing viscous materials
US5326401A (en) * 1992-08-28 1994-07-05 Wearguard Corp. Emulsion coater
US5366309A (en) 1993-07-08 1994-11-22 Springall Ernest G L Apparatus for applying adhesive
US6340122B1 (en) * 1998-06-18 2002-01-22 Casco A/S Spreader for spreading a fluid, such as an adhesive
WO2000050215A1 (fr) * 1999-02-26 2000-08-31 The Procter & Gamble Company Procede d'extrusion d'une couche continue
WO2000069571A1 (fr) * 1999-05-17 2000-11-23 A.W. Faber-Castell Unternehmensverwaltung Gmbh & Co. Dispositif pour l'application de structures en relief en matiere plastique sur des surfaces
EP1262244A2 (fr) * 2001-06-01 2002-12-04 Halla Climate Control Corp. Buse de revêtement ainsi que procédé et dispositif de revêtement d'un piston de compresseur utilisant ladite buse

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1032283C2 (nl) * 2006-08-08 2008-02-14 Opstalan B V Orgaan voor het aanbrengen van een viskeus mengsel op een ondergrond, alsmede werkwijze voor het vervaardigen van een isolatie-element.
WO2008018787A1 (fr) 2006-08-08 2008-02-14 Basf Se Dispositif pour appliquer un mélange visqueux sur une surface et procédé de fabrication d'un élément d'isolation
WO2008104492A3 (fr) * 2007-02-28 2009-01-22 Basf Se Procédé de fabrication d'éléments composites sur la base de mousses à base d'isocyanate
AU2008220882B2 (en) * 2007-02-28 2012-03-29 Basf Se Method for producing composite elements on the basis of foamed material based on isocyanate
RU2466019C2 (ru) * 2007-02-28 2012-11-10 Басф Се Способ получения композитных элементов на основе пенопластов на основе изоцианатов
CN101622114B (zh) * 2007-02-28 2013-06-26 巴斯夫欧洲公司 在基于异氰酸酯的泡沫材料的基础上制备复合元件的方法
EP2125323B1 (fr) 2007-02-28 2015-08-19 Basf Se Procédé de fabrication d'éléments composites sur la base de mousses à base d'isocyanate
RU2493004C2 (ru) * 2007-12-17 2013-09-20 Басф Се Способ изготовления композитных элементов на базе пенопластов на изоцианатной основе
EP2353732A1 (fr) * 2010-01-28 2011-08-10 Verwaltungsgesellschaft Fuggerstrasse Gbr, vertreten durch den Geschäftsführer Herrn Thomas von Schreitter Baguette distributrice
US11850624B2 (en) 2019-03-25 2023-12-26 Medmix Switzerland Ag Distributor head for a distributor apparatus and distributor apparatus

Also Published As

Publication number Publication date
EP1729890A1 (fr) 2006-12-13
EP1729890B1 (fr) 2014-09-10
NL1025695C2 (nl) 2005-09-13

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