EP3338900A1 - Klebstoffspender - Google Patents

Klebstoffspender Download PDF

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Publication number
EP3338900A1
EP3338900A1 EP16382652.2A EP16382652A EP3338900A1 EP 3338900 A1 EP3338900 A1 EP 3338900A1 EP 16382652 A EP16382652 A EP 16382652A EP 3338900 A1 EP3338900 A1 EP 3338900A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
adjustment means
dispenser according
dispenser
beads
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.)
Granted
Application number
EP16382652.2A
Other languages
English (en)
French (fr)
Other versions
EP3338900B1 (de
Inventor
Mario Javier CABELLO ULLOA
Javier ZURBITU GONZALEZ
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.)
Ikerlan S Coop
Original Assignee
Ikerlan S Coop
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 Ikerlan S Coop filed Critical Ikerlan S Coop
Priority to EP16382652.2A priority Critical patent/EP3338900B1/de
Publication of EP3338900A1 publication Critical patent/EP3338900A1/de
Application granted granted Critical
Publication of EP3338900B1 publication Critical patent/EP3338900B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
    • B05C5/0229—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet the valve being a gate valve or a sliding valve

Definitions

  • the present invention relates to adhesive dispensers.
  • Adhesive applicators capable of applying an adhesive on a substrate are known.
  • the adhesive usually a single-component adhesive, is stored in a cartridge of the applicator. Applying pressure on the adhesive pushes it, causing it to go through a dispenser, usually in the form of a nozzle, arranged at one end of the applicator.
  • Applicators can be manual applicators, usually being small in size, such as a dispenser gun, for example, in which the dispenser is arranged at one end.
  • the applicator comprises two cartridges, one for the adhesive and the other one for the catalyst.
  • the dispenser there is usually placed before the dispenser an intermediate mixing nozzle, such as the one described in EP1306123 A1 , for example, in which the adhesive and catalyst are mixed.
  • Industrial applicators are larger than manual applicators and usually comprise one or more cartridges for storing the adhesive, which can also be a single-component or two-component adhesive. An intermediate mixing nozzle would also be used in the case of using two-component adhesive.
  • the pressure required for pushing the adhesive can be applied in an automated manner.
  • the dispenser can comprise several nozzles through which the adhesive is extracted.
  • WO2014031980 A2 discloses an adhesive applicator comprising a dispenser with a plurality of outlet holes through which the adhesive to be applied on a substrate generally having a large surface, such as a roof cover, for example, is extracted.
  • the dispenser described in WO2014031980 A2 comprises an inlet conduit configured for being coupled to a cartridge in which an adhesive is stored and the plurality of outlet holes.
  • the object of the invention is to provide an adhesive dispenser for applying adhesive on a substrate, as defined in the claims.
  • the adhesive dispenser of the invention comprises an inlet conduit which is configured for being coupled to at least one external cartridge in which an adhesive is stored, and distribution means comprising a plurality of outlet openings configured for dispensing said adhesive.
  • the distribution means also comprise movable adjustment means wherein at least part of said adjustment means are arranged in each outlet opening such that said adjustment means demarcate an adjustable blocked area in each outlet opening.
  • An outlet conduit having an adjustable section is formed in the area not covered by said blocked area in each outlet opening, adhesive beads having a different cross-section being able to be obtained by moving the adjustment means.
  • the width of the adhesive beads can be changed in a quick and simple manner, which enables adapting to different needs depending on the type of substrate, on the type of load to which the parts to be attached will be subjected and/or on the type of adhesive used, thereby contributing to optimizing the distribution of adhesive beads , preventing wastage and therefore contributing to obtaining significant savings in adhesive.
  • the adhesive dispenser of the invention enables an increased strength of the adhesive bonding with respect to a single hypothetic adhesive layer of the same width due to the contribution of the plane stress state that can be achieved in each adhesive bead by means of adjusting the width of the different adhesive beads , thereby contributing to obtaining an optimal relation of the performance- and-strength of the adhesive bonding.
  • the adhesive dispenser of the invention it is possible to change at least the width of the adhesive beads in a quick, simple and comfortable manner.
  • Figure 1 shows an adhesive dispenser 100 according to an embodiment of the invention which is suitable for applying adhesive on a substrate 13 shown in Figure 5 .
  • the dispenser 100 of the invention comprises an inlet conduit 1 a which is configured for being coupled to at least one external cartridge (not shown in the drawings) in which the adhesive to be applied is stored.
  • the dispenser 100 also comprises distribution means 1 comprising a plurality of outlet openings 4 configured for dispensing said adhesive.
  • connection means suitable for being coupled to the external cartridge directly or through an adhesive applicator comprising said external cartridge can comprise, for example, a thread or a quick coupling and fixing mechanism, such as a bayonet type mechanism, for example.
  • the distribution means 1 also comprise movable adjustment means 3 in which at least part of said adjustment means 3 are arranged in each outlet opening 4 such that said adjustment means 3 demarcate an adjustable blocked area 4b in each outlet opening 4, as seen in Figure 3A .
  • An outlet conduit 4a having a variable section is formed in the area not covered by said blocked area 4b of each outlet opening 4, adhesive beads 2 having a different cross-section being able to be obtained by simply moving the adjustment means 3.
  • the dispenser 100 of the invention is of the type which can be coupled both to small-sized applicators, such as manual guns, for example, and to industrial applicators in which a dispenser 100 having larger dimensions could be used.
  • the width w of the adhesive beads 2 can be changed in a quick and simple manner, which enables adapting to different needs depending on the type of substrate 13, on the type of load to which the parts to be attached will be subjected and/or on the type of adhesive used, thereby contributing to optimizing the distribution of the adhesive beads 2 , preventing wastage and therefore contributing to obtaining significant savings in adhesive.
  • the adhesive dispenser 100 of the invention enables an increased strength of the adhesive bonding with respect to a single hypothetical adhesive layer of the same width due to the contribution of the plane stress state that can be achieved in each adhesive bead 2 , for example by means of adjusting the width w of the different adhesive beads 2 , thereby contributing to obtaining an optimal relation of the performance and strength of the adhesive bonding.
  • the adhesive dispenser 2 of the invention it is possible to change the parameters of the adhesive beads 2 in a quick, simple and comfortable manner.
  • the adhesive used for attaching the substrate 13 to another component is a flexible adhesive, preferably a viscous fluid adhesive, which is ideal for being applied with most applicators on the market.
  • said adhesive can be a single-component or two-component adhesive.
  • one of the components is the adhesive itself which will be stored in a cartridge (not shown in the drawings) and the other component is a catalyst which will be stored in another cartridge (not shown in the drawings).
  • the catalyst is used for curing the adhesive, i.e., so that the adhesive obtains the required properties before application.
  • An intermediate mixing unit (not shown in the drawings), such as the one described in EP1306123 A1 , for example, is normally used with two-component adhesives, which would be arranged between the applicator and the dispenser 100 of the invention.
  • the mixing of both components takes place in said intermediate mixing unit, therefore the adhesive to be applied, i.e., the already mixed adhesive, reaches the inlet conduit 1a of the dispenser 100 of the invention.
  • the mixing unit can be incorporated in the dispenser 100 of the invention, said mixing unit being able to be arranged between the inlet conduit 1 a and the distribution means 1.
  • the adhesive to be applied is introduced through the inlet conduit 1a and conducted to an outlet channel 12, shown in Figure 2 .
  • the distribution means 1 are arranged after said outlet channel 12, downstream of same, such that the adhesive is metered through the distribution means 1 in the form of beads 2, as shown in Figure 5 .
  • the adjustment means 3 are movable, said adjustment means 3 being able to be moved between a first position in which the width w of the adhesives beads 2 is maximum, and a second position in which the width w of the beads 2 is zero, the adjustment means 3 being able to be arranged in any intermediate position.
  • the distribution means 3 could be arranged such that in the second position the width w of the beads 2 is a minimum width w instead of zero.
  • the adjustment means 3 comprise a base 3a, a plurality of protuberances 3b which extend from said base 3a and are housed in a respective outlet opening 4, and a blocking wall 3b' arranged at the back of the adjustment means 3 adjacent to each of the protuberances 3b, each protuberance 3b and the corresponding blocking wall 3b' defining the blocked areas 4b of each outlet opening 4.
  • the outlet openings 4 are configured in the form of longitudinal channels that are prolonged from the outlet channel 12 for distributing the adhesive arriving from the inlet conduit 1a.
  • the protuberances 3b of the adjustment means 3 are, however, configured in the form of longitudinal bars, each bar being housed in a respective outlet opening 4. Said protuberances 3b are transversely movable together with the base 3a to which they are attached, as will be described in detail below.
  • the blocking walls 3b' are walls that are prolonged transversely to one side of the respective protuberance 3b, as seen in Figures 2 or 4 .
  • Said blocking walls 3b', as well as protuberances 3b of the adjustment means, block the passage of the adhesive flowing from the outlet channel 12, forcing the adhesive to be extracted from the dispenser 100 through the outlet conduits 4a.
  • the adhesive dispenser 100 comprises a main casing 5 and a removable casing 6, as seen in Figures 2 or 4 , which is fixed to the main casing 5.
  • the adjustment means 3 are arranged between the main casing 5 and the removable casing 6, as seen in the drawings.
  • the removable casing 6 preferably comprises quick anchoring means 10 cooperating with receiving means 11 arranged in the main casing 5, which allows fixing both casings 5 and 6 to one another in a quick and simple manner.
  • Said quick anchoring means 10 can be configured in the form of clamping, for example.
  • the removable casing 6 being separable allows, on one hand, assembling the adjustment means 3 in the dispenser 100 in a simple manner, and on the other hand, interchanging different removable casings 6 with outlet openings 4 of different dimensions and respective adjustment means 3, suitable for each type of removable casing 6, such that it is also possible to change the distance between the adhesive beads 2, which also enables adapting to the different needs in each case.
  • the parts to be attached will be or may be subjected to compression
  • the corresponding outlet openings 4 are arranged in the removable casing 6 as shown in Figures 2 or 4 .
  • the removable casing 6 comprises a plurality of separating walls 7 spaced from one another, as seen for example in Figure 2 , an outlet opening 4 being defined between two contiguous separating walls 7.
  • An outlet opening 4 is also defined at the ends of the removable casing 6 between a separating wall 7 and the wall of one of the ends of the removable casing 6.
  • the protuberances 3b of said adjustment means 3 are in contact with a respective separating wall 7 and/or with the wall of one of the ends of the removable casing 6, such that the respective outlet conduits 4a are in the position with maximum opening, enabling the width w of the respective adhesive beads 2 to be maximum.
  • the protuberances 3b of said adjustment means 3 are in contact with the contiguous separating wall 7 and/or with the wall of the other end of the removable casing 6 such that the respective outlet conduits 4a are closed, i.e., in a position in which the width w of the respective adhesive beads 2 is zero.
  • the second position can correspond with a position in which the width w of the beads 2 is a minimum width w instead of zero, as already discussed above, in which case the travel of the adjustment means 3 would be limited to assure said minimum opening of the corresponding outlet conduits 4a.
  • each blocking wall s' when the adjustment means 3 are in the first position at least part of each blocking wall s' is arranged behind a respective separating wall 7, said at least part of the blocking wall s' extending as a continuation of the corresponding separating wall 7 as the adjustment means 3 are moved to the second position, thereby adjusting the width c of the corresponding outlet conduits 4a, and accordingly the width w of the adhesive beads 2.
  • the width s' of the blocking walls 3b' is equal to or less than the distance of separation s between contiguous outlet openings 4. Said width s' of each blocking wall 3b' is preferably equal to the width s of a corresponding separating wall 7.
  • the main casing 5 comprises a housing 8, as seen in Figure 2 , in which the adjustment means 3 are housed.
  • Said housing 8 is configured to allow transverse movement of the adjustment means 3 therein.
  • the side walls of said housing 8 and/or the separating walls 7 of the removable casing 6 could demarcate the maximum travel of the adjustment means 3.
  • the side walls of said housing 8 can also be configured for limiting the travel of the adjustment means 3 in the second position, such that minimum opening of the outlet conduits 4a assuring a minimum width w of the adhesive beads 2 is assured.
  • the adjustment means 3 comprise an actuator 3c attached to the base 3a which can be actuated manually from the outside for moving said base 3a transversely inside the housing 8 of the main casing 5.
  • Said actuator 3c is a shaft projecting from the main casing 5 going through a groove 9 arranged in said main casing 5, as can be seen in Figures 1 , 3A , 3B or 5A , so that the user can easily handle it.
  • the width w of the adhesive beads 2 is therefore immediately and easily adjusted without having to complicate the construction of the adhesive dispenser 100 with complex constructive designs.
  • the dispenser 1 may comprise such mechanisms, such as the actuator 3c being able to comprise a thread to allow fixing the adjustment element 3 through a nut, for example.
  • the separation X between beads 2, as seen in Figure 3B or Figure 5A is determined by the distance between two consecutive protuberances 3b of the adjustment means 3, or in other words by the sum of the width D of a corresponding outlet opening 4 and the width s of a respective separating wall 7, as seen in Figure 3C . Therefore, in the preferred embodiment of the invention said separation X between beads 2 is defined by the geometry of the removable casing 6. As already described above, it is possible to change the separation X between beads 2 easily by interchanging removable casings 6 with different geometries, i.e., with outlet openings 4 of different dimensions. Each removable casing 6 corresponds with respective adjustment means 3 which would also need to be adapted.
  • the width w of the adhesive beads 2 is defined by the variable width c of the outlet conduits 4a, which will be determined by the variable position of the adjusting elements 3.
  • the maximum width w of the adhesive beads 2 will be determined by the difference between the width D of the outlet openings 4 of the removable casing 6 and the width p of the respective protuberances 3b of the adjusting elements 3. Said maximum width w of the adhesive beads 2 will gradually decrease as the adjustment means 3 are moved to the second position, since the blocking wall 3b' will gradually extend as a continuation of the respective separating wall 7.
  • the width p of the protuberances 3b of the adjustment means 3 being smaller than the width D of the respective outlet openings 4 of the removable casing 6 must be complied with.
  • the height of the adhesive beads 2 is determined by the height H of the protuberances 3b of the adjustment means 3, as shown in Figure 3D . Since the removable casing 6 and the distribution means 3 are interchangeable, the dispenser 100 of the invention may be provided with different adjustment means 3 with protuberances 3b of different heights and a respective removable casing 6 suitable for each type of distribution means 3, such that it is also possible to easily change the height of the adhesive beads 2.
  • the adhesive bonding obtained with the adhesive dispenser 100 according to the invention and applied on a substrate 13 therefore comprises a plurality of adhesive beads 2 in which it is possible to change the width w, the separation X of the beads 2, as well as the height of the adhesive beads 2 in a quick, simple and efficient manner to prevent the side walls of two contiguous beads 2 from coming into contact with one another when the parts to be attached are subjected to the corresponding workloads, since the working conditions of the parts to be attached can change from case to case, thereby changing the requirements of the adhesive 2 to be applied.
  • the adhesive dispenser 100 of the invention enables an increased strength of the adhesive bonding with respect to a single hypothetic adhesive layer of the same width due to the contribution of the plane stress state that can be achieved in each adhesive bead 2 by means of adjusting the width w and the separation X between beads 2, for example, thereby contributing to obtaining an optimal relation of the performance and strength of the adhesive bonding.
  • the adhesive dispenser 100 of the invention it is possible to change at least the width w of the adhesive beads 2 and the separation X between beads 2 in a quick, simple and comfortable manner.

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
EP16382652.2A 2016-12-26 2016-12-26 Klebstoffspender Not-in-force EP3338900B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16382652.2A EP3338900B1 (de) 2016-12-26 2016-12-26 Klebstoffspender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16382652.2A EP3338900B1 (de) 2016-12-26 2016-12-26 Klebstoffspender

Publications (2)

Publication Number Publication Date
EP3338900A1 true EP3338900A1 (de) 2018-06-27
EP3338900B1 EP3338900B1 (de) 2019-07-03

Family

ID=57960210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16382652.2A Not-in-force EP3338900B1 (de) 2016-12-26 2016-12-26 Klebstoffspender

Country Status (1)

Country Link
EP (1) EP3338900B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11850624B2 (en) 2019-03-25 2023-12-26 Medmix Switzerland Ag Distributor head for a distributor apparatus and distributor apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306123A1 (de) 2001-10-24 2003-05-02 Karlheinz Reiber Applikator
JP2009137270A (ja) * 2007-12-05 2009-06-25 Hiroki Oura 塗布具開閉装置工具
US20130279967A1 (en) * 2012-04-20 2013-10-24 Andreas Otto Nozzle
WO2014022880A1 (en) * 2012-08-06 2014-02-13 U&S Holding Pty Ltd Applicator nozzle
WO2014031980A2 (en) 2012-08-24 2014-02-27 Adco Products, Inc. Roofing adhesive distribution apparatus
US20160296951A1 (en) * 2015-04-08 2016-10-13 The Boeing Company Apparatuses, systems, and methods for applying a viscous material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306123A1 (de) 2001-10-24 2003-05-02 Karlheinz Reiber Applikator
JP2009137270A (ja) * 2007-12-05 2009-06-25 Hiroki Oura 塗布具開閉装置工具
US20130279967A1 (en) * 2012-04-20 2013-10-24 Andreas Otto Nozzle
WO2014022880A1 (en) * 2012-08-06 2014-02-13 U&S Holding Pty Ltd Applicator nozzle
WO2014031980A2 (en) 2012-08-24 2014-02-27 Adco Products, Inc. Roofing adhesive distribution apparatus
US20160296951A1 (en) * 2015-04-08 2016-10-13 The Boeing Company Apparatuses, systems, and methods for applying a viscous material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP3338900B1 (de) 2019-07-03

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