EP2085146A2 - Dispositif destiné à compresser des masses plastiques - Google Patents

Dispositif destiné à compresser des masses plastiques Download PDF

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Publication number
EP2085146A2
EP2085146A2 EP08169637A EP08169637A EP2085146A2 EP 2085146 A2 EP2085146 A2 EP 2085146A2 EP 08169637 A EP08169637 A EP 08169637A EP 08169637 A EP08169637 A EP 08169637A EP 2085146 A2 EP2085146 A2 EP 2085146A2
Authority
EP
European Patent Office
Prior art keywords
hood
squeezing device
nozzle
closure
nozzle body
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Withdrawn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
EP08169637A
Other languages
German (de)
English (en)
Other versions
EP2085146A3 (fr
Inventor
Achim Helmenstein
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.)
Fischbach KG Kunststoff Technik
Original Assignee
Fischbach KG Kunststoff Technik
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 Fischbach KG Kunststoff Technik filed Critical Fischbach KG Kunststoff Technik
Publication of EP2085146A2 publication Critical patent/EP2085146A2/fr
Publication of EP2085146A3 publication Critical patent/EP2085146A3/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Withdrawn legal-status Critical Current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
    • B05C17/01—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 with manually mechanically or electrically actuated piston or the like
    • B05C17/0146—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 with manually mechanically or electrically actuated piston or the like comprising a valve in the proximity of the nozzle that is not actuated by pressure, e.g. manually actuated
    • 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
    • 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
    • B05C17/01—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 with manually mechanically or electrically actuated piston or the like
    • 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
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type

Definitions

  • Such Auspressvoriquesen also serve as a packaging container for receiving sealants, grout, adhesive u. Like. Contain as a container bottom a cooperating with the container piston which can be advanced by means of a Auspresstechnikmaschines to squeeze the mass from the outlet.
  • the mass In the packaging container, the mass is hermetically sealed against the environment. To open a part of the outlet is removed with a cutting tool, so that an opening in the outlet is exposed.
  • the application nozzle is attached, from which the mass can be pushed out by advancing the piston to go directly to the place of use, for example, in a joint to be sealed or in the interior of a corner profile.
  • a squeezing device from which the preamble of claim 1 proceeds, is described in DE 103 01 029 B4 ,
  • the application nozzle is screwed onto the outlet of the cartridge.
  • the application nozzle together with the outlet nozzle forms a closure device.
  • the closing member of the closure device is formed directly on the cartridge and therefore influences the shape of the cartridge.
  • a squeezing device which has a handle on the outlet, so that a tear-off is removed from the outlet, is described in PCT / EP2007 / 059478 (not pre-published).
  • the tear-off can be torn off manually from the outlet, without a tool is needed.
  • the handling of such a squeezing device is not free of difficulties, because it is necessary to trim the application nozzle to the respectively desired size of the nozzle opening. This is usually done by cutting off a nozzle body containing a conical channel, whereby nozzle openings different Size can be generated. For cutting but again a tool is required.
  • US 4,967,941 A describes a screw cap for the cap of a container containing liquid masses such as mayonnaise, ketchup or similar products.
  • the dosing closure has a cap, in the end wall of which there is an opening.
  • a fixed pin projects into the opening.
  • the passage cross-section is greater, the farther the end wall of the pin away.
  • the pin has a cylindrical outer surface and the opening of the end wall has a cylindrical inner surface.
  • DE 10 2007 004 763 A1 a device for applying pasty materials in an automated joining process is described.
  • This device has an adhesive nozzle, which has a rectangular channel at the outlet end, which generates a rectangular adhesive bead.
  • the channel has the cross-sectional shape of the adhesive bead to be produced and this is dimensioned so that a certain amount of adhesive application is generated, so that gaps between body parts to be assembled with each other can be bridged with great tolerance.
  • a closure is not provided on this nozzle.
  • the invention is based on the object, a squeezing device for flowable materials, such as sealants, adhesives u. Like. To provide that allows a controlled application, without making special demands on the cartridge shape.
  • the extrusion device according to the invention is defined by the patent claim 1. It is characterized in that the application nozzle has a hood which can be moved relative to the nozzle body and has a closure opening which forms the closure device together with the nozzle body.
  • the application nozzle has an elongated nozzle body whose axial length is at least twice the widest diameter of the nozzle body.
  • the nozzle is therefore slim and it forms a tool to penetrate gaps and cavities and to produce a sealing or adhesive seam with high precision without visual obstruction.
  • the closure device is an adjustable metering with variable passage cross-section.
  • the opening and closing of the application nozzle at the outlet end is possible, but also a targeted metering of the thickness of the extruded mass strand.
  • the container bottom is displaceable as a piston in a fixed container body.
  • the container may consist of a flexible film tube which is closed by a container bottom.
  • the closure may have a fixed pin and a hood movable relative thereto.
  • the closure opening is provided with an inner cone and the pin with a flat mating outer cone, which can be moved axially relative to each other. Between the inner cone and the outer cone so an annular gap is formed, whose width is variable by adjusting the hood. This conical annular gap can be reduced to the sealing closure.
  • the closure device is provided with a frusto-conical plug, which is held by arms on the nozzle body and with a formed as an inner cone closure opening of the hood fits together flat.
  • a product outlet where the product is released directly from the closure opening to the outside, is not particularly suitable for shaping Product strands of a viscous material.
  • the expressed product would be squeezed and smeared at such outlet.
  • an outlet channel is arranged following the closure opening.
  • this outlet channel facilitates the shaping of a mass strand by forming a channel-shaped hollow space and subsequently having at least one coating edge.
  • the outlet channel has the effect that a part of the mass remains in the outlet channel after closing the closure device, where it hardens and in addition sealingly seals the outlet channel. Therefore, the outlet channel or the entire application nozzle should be made of a material to which the plastic mass does not adhere firmly.
  • a typical plastic mass suitable for extrusion through a squeezing device is silicone material.
  • the application nozzle should be made of a polyolefin, a material that does not bond tightly to a silicone compound.
  • a Massepfropfen, which has formed in the outlet channel can be pushed out of the outlet channel at the next Auspressvorgang.
  • the outlet channel has at least one straight side wall. It can be rectangular and have side walls of different widths.
  • the end edge of the side wall of the outlet channel forms a spatula or a doctor blade for smoothing out the expressed mass strand. With a rectangular channel is achieved that two such coating edges are provided of different lengths, so that the user can select the required sidewall.
  • the application nozzle it is possible to attach the application nozzle as an additional part of the cartridge, wherein the application nozzle is removed before use and then screwed onto the outlet of the cartridge.
  • Another possibility is to design the application nozzle so that its nozzle body is molded onto the container. The nozzle body is then firmer Part of the container and it is only necessary to mount the hood on the nozzle body.
  • extrusion device for plastic mass has a cartridge 10 made of plastic.
  • the cartridge 10 has a cylindrical container 11, which is closed at the front end by an end wall 12. The back end is open.
  • a forward projecting outlet 14 In the center of the end wall 12 is a forward projecting outlet 14, which is provided with a screw thread 15.
  • the outlet 14 has an annular predetermined breaking point 16 and a tear-off 17 in the form of a cap.
  • a permeation-reducing layer may be arranged, which extends on the inside of the outlet and covers the predetermined breaking point 16 inside.
  • the tear-off portion 17 is connected to a handle 20, which has a generally annular shape, so that it can be intervened with a finger in it. Other forms of the handle are possible.
  • the handle 20 is connected to a neck 21 with the tear-off 17. The circumference of the handle 20 extends close to the end wall 12 zoom.
  • the application nozzle 25 which is connected to the cartridge.
  • the application nozzle 25 has a substantially tubular nozzle body 26, on the front end of a hood 27 is screwed.
  • an internal thread 28 which mates with the screw thread 15 of the outlet 14.
  • a tab 30 is further formed. This consists of a flexible wide strip of the longitudinal axis of the application nozzle 25 projects radially.
  • the tab 30 forms at a distance from the application nozzle 25 a ring 31 which sits in a circumferential groove at the foot of the outlet 14. The ring 31 engages in the groove 32, so that the tab can be removed only with force from the outlet.
  • a recess 33 is provided in the tab 30, . This serves to accommodate the lower part of the handle 20. As a result, a rotational fixation of the tab 30 is achieved.
  • the application nozzle 25 can be pivoted by flexing the tab by about 180 °, so that the hood 27 points to the front and the thread 28 is disposed in front of the outlet 14.
  • the screw threads 15 and 28 are brought into engagement and the application nozzle is screwed to the cartridge 10.
  • the ring 31 rotates in the corresponding groove of the outlet 14th
  • the cartridge 10 further includes the piston 35.
  • the piston 35 has a circumferential piston skirt 36 and a frontal piston breast 37.
  • the rear end 38 is open so that the plate of a (not shown) Auspresswerkmaschines can be inserted to advance the piston 35.
  • the Figures 2-4 show the nozzle body 26. This has a tube in the front end of a projecting into the tube, forward over the pipe end projecting pin 40 is fixed with radial struts 41. Between the struts 41 are channels 42 through which the mass can flow. At the front end of the pin 40 is an outer cone 43 in the form of a truncated cone.
  • a helical threaded ridge 45 On the outer wall of the nozzle body 26 extends a helical threaded ridge 45, on which a corresponding thread groove of the hood 27 is seated.
  • a helical threaded ridge 45 On the outer wall of the nozzle body 26 extends a helical threaded ridge 45, on which a corresponding thread groove of the hood 27 is seated.
  • a cavity 48 is formed, which is filled with the mass to be squeezed out.
  • the cavity is bounded to the front by a closure opening 44, which forms an inner cone.
  • This inner cone has the same pitch as the outer cone 43.
  • the closure device 50 is then in the closed state.
  • In front of the closure device 50 is an outlet channel 51 of rectangular cross-section.
  • the outlet channel 51 has a bottom wall 52 in which the shutter opening 44 is located and straight side walls 53 and 54 upstanding from the bottom wall forming the rectangular cross section.
  • the side walls 53 and 54 have different edge lengths, so that different width joint strands can be formed. At their front ends stroking edges 55 are formed.
  • FIG. 3 shows the closed state and FIG. 4 the state of the complete opening of the closure device 50th
  • FIGS. 5, 6 and 7 three different embodiments of the hood 27 are shown.
  • the hood of FIG. 5 generally corresponds to the hood used in the FIGS. 3 and 4 is shown. This means that the outlet channel 51 is enclosed by four side walls 53, 54 and is only open at the front end.
  • the outlet channel 51 is limited only by three side walls 53, 54, 53, while the fourth side is open.
  • the side walls form with their coating edges 55 smoothing tools for smoothing the Massestranges leaving the outlet channel 51.
  • the hood 27 is made of polyethylene, a material that does not bond with the silicone material that forms the most commonly used plastic mass. In this way, the formation of a blocking plug in the outlet channel 51 is prevented.
  • an outlet channel 51 is absent.
  • the closure device 50 forms the front end of the hood.
  • the outlet opening 56 is round.
  • the shutter device 50a differs from that of the first embodiment.
  • the closure device 50a has a frusto-conical sealing surface 40a, which is part of a hollow pin 65, which is connected to the pipe end of the nozzle body 26.
  • the sealing surface 40a cooperates with a closure opening 44 of the hood 27 designed as an inner cone.
  • the closure device 50a is opened or closed.
  • the nozzle body 26 and the hood 27 are formed in the same manner as in the first embodiment
  • the closure device 50b has a nozzle body 26, which is connected to a frusto-conical sealing surface 40b by arms 60, between which windows 61 are located.
  • no hollow pin 65 is present, which projects out of the nozzle body 26 out.
  • the arms 60 and Windows 61 form a laterally open conical structure which adjoins the peripheral wall of the nozzle body in its longitudinal direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)
EP08169637A 2008-02-02 2008-11-21 Dispositif destiné à compresser des masses plastiques Withdrawn EP2085146A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008007306A DE102008007306A1 (de) 2008-02-02 2008-02-02 Auspressvorrichtung für plastische Massen

Publications (2)

Publication Number Publication Date
EP2085146A2 true EP2085146A2 (fr) 2009-08-05
EP2085146A3 EP2085146A3 (fr) 2011-11-23

Family

ID=40386132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08169637A Withdrawn EP2085146A3 (fr) 2008-02-02 2008-11-21 Dispositif destiné à compresser des masses plastiques

Country Status (3)

Country Link
US (1) US20090194567A1 (fr)
EP (1) EP2085146A3 (fr)
DE (1) DE102008007306A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9937518B2 (en) * 2013-05-29 2018-04-10 Sulzer Mixpac Ag Application nozzle
US9731317B2 (en) * 2014-10-15 2017-08-15 Sonoco Development, Inc. Device for holding and dispensing viscous material
DE102020001396A1 (de) 2020-03-04 2021-09-09 Bernd Kowalewski Vorrichtung und Verfahren zum manuellen Auftragen eines dimensionierten pastenförmigen Klebstoffstrangs

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4967941A (en) 1989-04-13 1990-11-06 Creative Packaging Corp. Twist lock adjustable metering closure cap
FR2708570A1 (fr) 1993-08-03 1995-02-10 Rouviere Yves Francois Buse à obturation interne pour écoulement de produits visqueux ou pâteux expulsés de leur emballage par compression.
US6135329A (en) * 1999-10-11 2000-10-24 Creative Packaging Corp. Universal base pull/push-twist closure
DE202004004183U1 (de) * 2004-03-16 2004-05-19 Createchnic Ag Klebstoff-Flasche mit Lagerungs- und Dosierverschluss
DE10301029B4 (de) 2003-01-13 2005-03-17 Ritter Gmbh Kartuschenverschluß mit Öffnungs-/Schließ-Funktion
DE102007004763A1 (de) 2007-01-31 2007-11-29 Daimlerchrysler Ag Vorrichtung zum Auftragen pastöser Werkstoffe in einem automatisierten Fügeprozess

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BE542439A (fr) *
US2754033A (en) * 1952-10-24 1956-07-10 Dudley W Etter Ink dispenser
US3216630A (en) * 1963-03-08 1965-11-09 Stull Engraving Co Closure for containers
US3263851A (en) * 1964-05-14 1966-08-02 American Can Co Container closure
US3259282A (en) * 1964-09-08 1966-07-05 Jellesen Poul Tube closure device
FR2146959B1 (fr) * 1971-07-28 1974-03-29 Beissier Ets
US4345704A (en) * 1981-09-02 1982-08-24 Cannondale Corporation Bottle mount and bottle for bicycles
US4424918A (en) * 1981-10-16 1984-01-10 Gene Stull Non-resealable dispenser cap construction
DE3309692A1 (de) * 1983-03-18 1984-09-20 Wella Ag, 6100 Darmstadt Vorrichtung zur dosierten entnahme von pastoesen oder fluessigen stoffen
US4589572A (en) * 1983-06-20 1986-05-20 New Product Development, Inc. Dispensing mechanism
DE8808369U1 (fr) * 1988-06-30 1988-08-25 Friedrich Sanner Gmbh & Co Kg Spritzgusswerk, 6140 Bensheim, De
CH679573A5 (fr) * 1989-08-11 1992-03-13 Kisling & Cie Ag S
US5181632A (en) * 1991-08-15 1993-01-26 Morehouse Foods, Inc. Dispenser cap having tamper-evident features
US5353970A (en) * 1994-01-27 1994-10-11 Stull Closure Technologies, Inc. Ribbon-type dispenser cap
US6024256A (en) * 1996-10-07 2000-02-15 Creative Packaging Corp. Tamper-evident closure
FR2762303B1 (fr) * 1997-04-17 1999-07-09 Plastiques C E P Comp D Et Ensemble a cartouche contenant un produit et canule de decharge de ce produit
DE19809255B4 (de) * 1998-03-05 2004-09-16 Kkt Kaller Kunststoff Technik Gmbh Kartusche zur Aufnahme einer viskosen oder pastösen Masse
FR2785261B1 (fr) * 1998-11-03 2000-12-08 Cebal Fixation irreversible d'une capsule sur une tete de recipient autorisant une rotation limitee de ladite capsule sur ladite tete
US6722536B2 (en) * 2002-05-13 2004-04-20 Smith Kline Beecham Corporation Nozzle for dispensing viscous material
FR2844781B1 (fr) * 2002-09-19 2004-12-10 Manuf Bourguignonne De Plastiq Procede d'ouverture d'un receptacle a embout cassable et receptacle le mettant en oeuvre
DE102006055236A1 (de) 2006-09-22 2008-04-03 Fischbach Kg Kunststoff-Technik Verpackungsbehälter und Verfahren zu seiner Herstellung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4967941A (en) 1989-04-13 1990-11-06 Creative Packaging Corp. Twist lock adjustable metering closure cap
FR2708570A1 (fr) 1993-08-03 1995-02-10 Rouviere Yves Francois Buse à obturation interne pour écoulement de produits visqueux ou pâteux expulsés de leur emballage par compression.
US6135329A (en) * 1999-10-11 2000-10-24 Creative Packaging Corp. Universal base pull/push-twist closure
DE10301029B4 (de) 2003-01-13 2005-03-17 Ritter Gmbh Kartuschenverschluß mit Öffnungs-/Schließ-Funktion
DE202004004183U1 (de) * 2004-03-16 2004-05-19 Createchnic Ag Klebstoff-Flasche mit Lagerungs- und Dosierverschluss
DE102007004763A1 (de) 2007-01-31 2007-11-29 Daimlerchrysler Ag Vorrichtung zum Auftragen pastöser Werkstoffe in einem automatisierten Fügeprozess

Also Published As

Publication number Publication date
EP2085146A3 (fr) 2011-11-23
US20090194567A1 (en) 2009-08-06
DE102008007306A1 (de) 2009-08-06

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