EP0806344A1 - Procédé de remplissage par son fond d'un distributeur de colle et distributeur de colle pour la mise en oeuvre du procédé - Google Patents

Procédé de remplissage par son fond d'un distributeur de colle et distributeur de colle pour la mise en oeuvre du procédé Download PDF

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Publication number
EP0806344A1
EP0806344A1 EP97107327A EP97107327A EP0806344A1 EP 0806344 A1 EP0806344 A1 EP 0806344A1 EP 97107327 A EP97107327 A EP 97107327A EP 97107327 A EP97107327 A EP 97107327A EP 0806344 A1 EP0806344 A1 EP 0806344A1
Authority
EP
European Patent Office
Prior art keywords
receptacle
adhesive dispenser
opening
base part
closure
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
EP97107327A
Other languages
German (de)
English (en)
Other versions
EP0806344B1 (fr
Inventor
Hans-Martin Kapsa
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.)
UHU Werk HUM Fischer GmbH
Original Assignee
UHU Werk HUM Fischer GmbH
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 UHU Werk HUM Fischer GmbH filed Critical UHU Werk HUM Fischer GmbH
Publication of EP0806344A1 publication Critical patent/EP0806344A1/fr
Application granted granted Critical
Publication of EP0806344B1 publication Critical patent/EP0806344B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B05C17/00576—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 characterised by the construction of a piston as pressure exerting means, or of the co-operating container
    • B05C17/00579—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 characterised by the construction of a piston as pressure exerting means, or of the co-operating container comprising means for allowing entrapped air to escape to the atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/14—Closing collapsible or resilient tubes, e.g. for tooth paste, for lighter fuel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/10—Body construction made by uniting or interconnecting two or more components

Definitions

  • the invention relates to a method for the back filling of an adhesive dispenser, in particular for cyanoacrylate, with the features of the preamble of claim 1.
  • the invention further relates to an adhesive dispenser with the features of the preamble of claim 8 for carrying out this method.
  • the preamble of claim 1 and the preamble of claim 8 supplemented by a further optional feature are based on DE-C2-41 04 871, which relates to an application device for a liquid application agent.
  • a liquid intended for writing, drawing, painting or marking is considered as the liquid application medium, but not a liquid adhesive.
  • a relatively small opening in the base part is used for filling from the rear and, if necessary, refilling. After filling or refilling, this relatively small opening is sealed by a releasable closure which, for example, can be integrally connected to the base part via a film hinge as a hinged closure.
  • the shaft-like receiving body for the liquid and the closure of the opening in the base part should in particular have an oval or elongated cross-sectional shape. If the receptacle and its bottom part are not formed in one piece, but consist of two parts, in which in particular the bottom part is inserted into the receptacle with a body forming a hollow profile, a permanent, non-detachable connection is to be produced, for example, by welding, gluing or by means of beads. This Connection type requires a separate work step for fastening.
  • An adhesive dispenser in particular for cyanoacrylate, is already known from DE-U1-84 04 703.8, which has a receptacle, the cross section of which may be approximately oval, and which is initially filled with the adhesive through its end opening which is still free. After filling, the end opening of the receptacle is closed off by a bottom part which projects into the bottom part with an open hollow cylinder and which in the bottom plane has an annular flange with a larger diameter than the open hollow cylinder, which comes into contact with the end face of the receptacle.
  • the base part can easily be pulled axially out of the receptacle again.
  • the invention has for its object to be able to fill an adhesive dispenser without the above-mentioned risks of foam formation due to unwanted prepolymerization under the influence of atmospheric moisture, without the need for a post-processing step such as ultrasonic welding or the like after the final connection of the receptacle and base part.
  • a post-processing step such as ultrasonic welding or the like after the final connection of the receptacle and base part.
  • the method of assembly should be chosen so that in a further development of the invention it is also possible to reinforce a securing of the base part against unwanted separation from the receptacle.
  • the invention is based on the knowledge that a liquid dispenser of the known type, as represented in the preambles of claims 1 or 8, can be used for this task with a completely different type of filling.
  • the method according to the invention in accordance with the method steps shown in the characterizing part of claim 1, deviating from the known filling type of DE-C2-41 04 871, provides for the receptacle to be filled by the still large open end cross-section before the base part is inserted into the receptacle .
  • the relatively small opening in the bottom part serving as the filling opening in the known case is then used as a vent opening for air displaced during the pushing-in movement in the receiving container.
  • the opening in the base part thus serves as a vent valve according to the invention, which is irreversibly sealed after filling. A refill through this opening is not thought of in the context of the invention as in the known case.
  • the irreversible latching of the receptacle and base part saves separate welding, adhesive or beading operations and reduces the final assembly of the adhesive dispenser to plug-in operations, both when connecting the receptacle to the base part and when closing its opening with the closure, as far as a plug closure is provided for the known application device.
  • the necessary sealing of the receptacle against the bottom part can be done in many ways, for example by designing the locking device at the same time as a sealing device or by positive interference of the body of the base part protruding into the receptacle in the manner of a cork closure. Preferred developments are described below.
  • the invention is particularly easy to carry out if the adhesive dispenser is filled with its rear side lying on top, so that the receptacle then has the character of an upright open vessel, the subsequent removal opening of which is accordingly arranged at the bottom and closed during filling. After filling, the bottom part is then cork-like inserted through the filling opening into the previously open end-side upper end of the receptacle and the displaced air is let out through the opening in the cork-like container bottom. In the end position, this opening is then irreversibly sealed by the closure. If, as is also the case with the known application device, the base part and its closure are preassembled, there is no need for an independent part to close the vent valve in the base part, which would require separate storage.
  • a dispenser for dispensing pasty masses is known per se, each of which is pushed out step by step from the dispenser housing by a piston by actuating a push button.
  • a piston actuation is not taken into consideration, and is not even desirable; rather, the minimal quantities of superglue required are carefully dosed from the receptacle by sensitive manual pressure on the outer wall of the receptacle.
  • the known dispenser for pasty masses is already filled through the end opening of the dispenser housing before the piston is inserted into the dispenser housing until it abuts the filled pasty mass. Escaping air is released through a central opening in the piston that can later be closed by a stopper.
  • the piston is then used, as mentioned, to remove the pasty mass via a step mechanism, while on the contrary, with the adhesive dispenser according to the invention, it locks irreversibly and with comparatively minimal construction costs.
  • Claims 2 to 7 relate to different work steps for the preferred preparation of the rear filling of the adhesive store in such a way that the filling can be carried out after a minimal number of work steps practically without stockpiling elements of the dispenser construction.
  • the aim is also to save injection mold costs and generally to save costs in the area of sorting and assembly lines.
  • the connector technology used ensures vacuum-tight packaging of the adhesive in the adhesive dispenser and ensures, also together with the further training measures described below, that the expressly desired disposable packaging can be opened as far as possible without any aids and thus damage to third parties or persons through unintentionally escaping adhesive.
  • a seal according to claim 12 is preferred. This not only ensures a reliable end seal, but also seals during the insertion movement of the base part into the receptacle and thus ensures reliable air displacement through the ventilation valve without the need for excessive press-in pressure, as is the case with the entire excess of the body to be inserted into the receptacle Bottom part would be the case.
  • the adhesive dispenser according to the invention should be as tamper-proof as possible, as a disposable container. It has been shown that, due to unskillful manipulation, the form-fitting gap between the receptacle on the one hand and the body of the base part inserted into it on the other hand can be pressed apart. This danger can be counteracted by a suitable cross-sectional shape of the adhesive dispenser or the receptacle and the body of the base part engaging in it, for example by choosing a radius-related oval or otherwise rounded, in the extreme case cylindrical, cross-section instead of a rectangular or flattened cross-section. But even then there is still a residual risk of unwanted tearing open of the adhesive dispenser due to unskillful manipulation. This danger is counteracted by the measure according to claim 12, which involves the play between the base part and the receptacle being blown open by means of a special holding device prevented.
  • This holding device is further developed by claims 13 to 15 in a preferred manner.
  • the holding device can also perform additional sealing functions in the differently provided engagement areas.
  • Claims 16 to 19 describe preferred embodiments of the adhesive dispenser in the region of the receptacle, which optimally match the receptacle function and the filling function.
  • Claim 18 forms the hollow body of the base part already provided in the known applicator, which is inserted into the receptacle, in that it is closed at the end.
  • the embodiment of the dispenser as a pipette be it oval or cylindrical, is particularly preferred for the application according to the invention, which optimally combines the two aspects mentioned. It is typical to design the adhesive dispenser according to the invention as a pipette with a holding volume of 10 ml or as a 10 g pipette.
  • a pipette-shaped adhesive container is composed of two components made of thermoplastic and inert to the adhesive, namely the receiving container 2 according to FIG. 1 and the bottom part 4 according to FIG. 2.
  • the receptacle 2 surrounds the receiving space 3 of the adhesive with an oval sleeve 6 which, with the exception of the special features described below, has a constant cross section along its dash-dotted axis.
  • the sleeve merges with an oblique shoulder 8, which is still provided with an oval cross-section and is tapered in the axial continuation of the sleeve 6 at 45 °, into an end wall 10, which is perpendicular to the axis of the pipette Oval is designed.
  • a no longer oval mouthpiece 12 continues in the axial direction of the pipette.
  • This extends with an elongated rectangular neck piece 14, mirror-symmetrical to the pipette axis, along the axis of the pipette from the end wall 10 and merges into a tapering removal nipple 16, each with a circular cross section, the tip of which is used for later adhesive removal before removal by a Closure 18 is closed, for example in the form of a cylindrical twist-off nipple with predetermined breaking point.
  • the surface shape of the mouthpiece 12 is selected such that a plug closure (not shown) for protecting the mouthpiece 12 can be plugged on tightly before and after use.
  • the neck piece 14 has an inlet slope 24 on the outside on the two short sides of the rectangular cross section.
  • a raised H-profile which extends along the axis of the pipette, is formed on each of the two long sides of the rectangular neck piece 14, which in the orientation of FIG. 1 has an upper depression 26 and a lower depression 28 between the two parallel ribs of the H- Profiles forms.
  • the upper recess 26 is provided at its axially outer free end with an inlet bevel 30 and cooperates with the outer inlet bevel 24 of the neck piece 14 when aligning the plug closure when it is plugged onto the mouthpiece 12.
  • the plug closure can then be fitted with a corresponding one Snap into the lower recess 28, which serves as a locking trough, a circumferential seal of the mouthpiece 12 against the plug closure being provided by a sealing bead 32 encircling the removal nipple 16.
  • the entire end-side sleeve cross section 52 is free, such that after the receiving space 3 has been filled with adhesive, the bottom part 4 is inserted along the inner wall 34 of the sleeve 6 serving as a guide for the bottom part 4 and then there in the End position of the insertion movement can be mounted tightly and captively.
  • the overall configuration of the base part 4 is in any case essentially also complementarily oval in the outer regions.
  • FIG. 2 is formed by a hollow profile which is stepped on the outside in the axial direction has an oval outer sleeve which is closed in the region of its gradation from the bottom 36 of the adhesive container in the manner of a bulkhead.
  • the upper end 38 in FIG. 2 of the sleeve of the base part 4 is set back somewhat as a slide-in guide relative to the inner surface 34 of the sleeve 6 in order to facilitate "threading" of the base part 4 into the sleeve 6 after filling the receiving space 3.
  • annular bead 40 snaps onto the circumference of the hollow profile at an axial height of approximately the base 36 or from the outer base surface thereof in a locking groove 42 in the inner wall surface 34 of the sleeve 6 and fixes it the end position of the bottom part 4 in the receptacle 2 is permanent and cannot be lost.
  • the annular bead 40 according to FIG. 2a is divided into two resilient bead flaps 40a, which are spaced in the middle of the two elongated sides of the oval cross section and are mirror-symmetrical to the axis around the narrow cross-sectional sides of the oval extend.
  • the bead flaps 40a are thus arranged on the hollow profile of the base part 4 on the outside as peripheral segments.
  • the axially outer or in Fig. 2 lower end 44 of the bottom part 4 is within the tolerances as close as possible to the inner wall surface 34 of the sleeve 6 and is provided outside of the bottom 36 outside with two circumferential sealing beads 46 which are axially mutually are offset and cooperate sealingly with the inner wall surface 34 of the sleeve 6. It is important that the sealing engagement of the sealing beads 46 on the inner wall surface 34 of the sleeve 6 is maintained permanently even with deforming external influences. A holding device is used for this purpose, which is described below with reference to FIGS. 1 and 1c on the one hand and 2 on the other hand.
  • a circumferential outer flange 48 is formed thereon, which has an annular end projection 50, which, however, does not protrude into the plane of the open cross section 52 of the sleeve 6, but is set back by about a wall thickness.
  • the free end of the sleeve 6 still protrudes somewhat from the end projection 50.
  • the bottom part 4 also has a circumferential outer flange 56 at the free end of its lower outer end 44, which forms a circumferential recess 58 at a distance from the outer surface of the end 44 and thus with the formation of a circumferential slot 56 arranged opposite this outer surface revolving stage 60 is formed.
  • one sealing bead 46 is formed in the central axial height of the circumferential slot 57, while the other sealing bead in FIG. 2 is arranged higher and thus further inward outside the recess 58.
  • the end 44 of the hollow profile of the base part 4 is guided like a piston within the inner surface 34 at the free end of the sleeve 6.
  • the free end 52 of the sleeve 6 engages in the slot and is held inside by the end 44 and outside by the recess 58 which is in turn additionally held in that the end projection 50 on the outer flange 48 of the sleeve 6 engages in the circumferential step 60 of the recess 58.
  • the receiving space 3 of the receiving container 2 is first filled with adhesive through the piston-free inner cross section of the sleeve 6, before the end of the piston-like bottom part 38 is inserted into the sleeve 6 of the receiving container 2 of the sleeve 6 and axially inserted into the latter in a piston-like manner, the Bottom 36 as Piston surface serves.
  • the bottom 36 is provided with a vent valve 62, which is still closed with the mounting means after the bottom part 4 has snapped into the receiving container 2.
  • the bottom 36 of the bottom part 4 has a central circular opening 64 which is axially extended by a sleeve 66 protruding outwardly from the bottom 36, which is provided at its free end with a circumferential inner depression 67.
  • This cylinder connector 66 forms a slide-in guide for a pin-like closure 68 which is axially displaceable in the cylinder connector serving as a slide-in guide or in the outwardly projecting sleeve 66.
  • the closure 68 has the shape of a hollow cylinder which is open on the inside and closed on its outer end face 69 and which is provided on its one flank with a longitudinal slot 70 which is open to the inner free end of the hollow cylinder.
  • This longitudinal slot ends on the inside in a radially inward and outward slope.
  • the outer edge thereof together with the conically tapered base 76 of the depression 67, through which air can pass between the sleeve 66 and the closure 68, controls the beginning of the closing position of the vent valve 62.
  • the pin-like closure 68 has a thickened head 78 around its end face, which has an inward transition to a transition bevel 80 into the normal outer cross section of the pin-like closure 68.
  • this transition slope 80 comes to rest on the beveled base 76 of the depression 67.
  • the closure 68 is sealed against the base part 4 by a plurality of, here two, circumferential sealing beads 82 on the outer circumference of the peg-like closure 68, which then in sealing engagement with the no longer recessed inner surface 84 of the sleeve 66 in the inserted end position of the closure stand.
  • this final closed position can also be additionally secured by latching means, not shown, which take effect between the closure 68 and the sleeve 66.
  • the closure 68 designed as a hollow profile is thus axially displaceable in the cylinder neck or the sleeve 66 as a peg such that, in the case of axially outer positions, air can escape from the receiving space 3 through the longitudinal slot 70 on the closure 68 to the outside, while in the Insertion guide of the cylinder socket or the sleeve 66 inserted pin of the longitudinal slot is sealed.
  • FIG. 2 shows the preassembled position of the closure 68 in the sleeve 66, in which the cylinder connector or the sleeve 66 and the protruding part of the preassembled pin-like closure 68 are arranged completely within the outer concave recess 72 with the longitudinal slot 70 still fully open, and while aligning the end face 69 of the hollow profile of the closure 68 with the outer end face 86 of the outer flange 56 on the bottom part 4. This ensures that no element of the same protrudes from the bottom face of the adhesive dispenser in the preassembled open position of the vent valve 62.
  • the axially inner outer peripheral surface 88 of the peg-like closure 68 is already in frictional engagement with the inner surface 84 of the sleeve 66 serving as a slide-in guide.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
EP97107327A 1996-05-08 1997-05-02 Procédé de remplissage par son fond d'un distributeur de colle et distributeur de colle pour la mise en oeuvre du procédé Expired - Lifetime EP0806344B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19618521 1996-05-08
DE19618521A DE19618521A1 (de) 1996-05-08 1996-05-08 Verfahren zum rückseitigen Befüllen eines Klebstoffspenders und Klebstoffspender zum Ausführen des Verfahrens

Publications (2)

Publication Number Publication Date
EP0806344A1 true EP0806344A1 (fr) 1997-11-12
EP0806344B1 EP0806344B1 (fr) 2001-08-01

Family

ID=7793725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97107327A Expired - Lifetime EP0806344B1 (fr) 1996-05-08 1997-05-02 Procédé de remplissage par son fond d'un distributeur de colle et distributeur de colle pour la mise en oeuvre du procédé

Country Status (3)

Country Link
US (1) US5971225A (fr)
EP (1) EP0806344B1 (fr)
DE (2) DE19618521A1 (fr)

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WO2010036728A2 (fr) * 2008-09-25 2010-04-01 Minna Ha Tube à remplir et/ou à re-remplir

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DE20117778U1 (de) * 2001-10-31 2003-03-20 Sulzer Chemtech Ag Winterthur Kartuschenkolben mit Entlüftung
US7125187B2 (en) * 2001-12-27 2006-10-24 L'Oréal, S.A. Closure system for a container
AT413978B (de) * 2003-01-20 2006-07-15 Bamed Ag Luftventil für einen deckel eines trinkbehälters
AT413979B (de) * 2003-01-20 2006-07-15 Bamed Ag Trink-mundstück
US7241066B1 (en) 2003-04-15 2007-07-10 American Grease Stick Company Container for flowable products
EP1838410A4 (fr) 2004-11-21 2011-08-03 David Mitchell Windmiller Bouteilles remplissables par le fond et systemes de remplissage desdites bouteilles
DE102005025561A1 (de) * 2005-04-25 2006-10-26 Georg Menshen Gmbh & Co. Kg Verschluss für einen Getränkebehälter
US7708035B2 (en) 2005-11-21 2010-05-04 David Mitchell Windmiller Bottom fillable bottles and systems for charging the same
US8061563B1 (en) 2007-05-29 2011-11-22 Ags I-Prop, Llc Flexible pouch with expulsion aid
US8376183B1 (en) 2008-06-10 2013-02-19 Ags I-Prop, Llc Fluid dispenser having multiple chambers
US9309019B2 (en) 2010-05-21 2016-04-12 Adhezion Biomedical, Llc Low dose gamma sterilization of liquid adhesives
US8550737B2 (en) 2010-09-20 2013-10-08 Adhezion Biomedical, Llc Applicators for dispensing adhesive or sealant material
US9066711B2 (en) 2011-11-02 2015-06-30 Adhezion Biomedical, Llc Applicators for storing sterilizing, and dispensing an adhesive
USD671359S1 (en) 2011-11-16 2012-11-27 David Windmiller Top lid assembly for bottle
DE102013101637B4 (de) * 2013-02-19 2017-02-16 Puffe Engineering Gmbh Auftragskopf für viskose Medien
TWM465503U (zh) * 2013-04-22 2013-11-11 Fang-Pin Chen 直立的金屬軟管容器
CN105217138A (zh) * 2015-09-16 2016-01-06 温岭市申华日化有限公司 可立放且盛有粘流体的软管及其生产工艺
DE102017114759A1 (de) * 2017-07-03 2019-01-03 Sig Technology Ag Zellentraverse für eine Füllmaschine
US11999537B2 (en) 2022-01-25 2024-06-04 Helen Of Troy Limited Poppet lid

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WO2010036728A2 (fr) * 2008-09-25 2010-04-01 Minna Ha Tube à remplir et/ou à re-remplir
WO2010036728A3 (fr) * 2008-09-25 2010-09-23 Minna Ha Tube à remplir et/ou à re-remplir

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EP0806344B1 (fr) 2001-08-01
DE19618521A1 (de) 1997-11-13
US5971225A (en) 1999-10-26
DE59704168D1 (de) 2001-09-06

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