EP1078863A1 - Verfahren zur Herstellung eines selbstschliessendes Ventils - Google Patents
Verfahren zur Herstellung eines selbstschliessendes Ventils Download PDFInfo
- Publication number
- EP1078863A1 EP1078863A1 EP00124846A EP00124846A EP1078863A1 EP 1078863 A1 EP1078863 A1 EP 1078863A1 EP 00124846 A EP00124846 A EP 00124846A EP 00124846 A EP00124846 A EP 00124846A EP 1078863 A1 EP1078863 A1 EP 1078863A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- connecting wall
- wall
- section
- valve
- 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
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Classifications
-
- 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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
- B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
- B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
Definitions
- liquids include e.g. B. Cleaning and care products for the human body like liquid soaps, shower gels, shampoos, skin oils and. v. a. m. Another group such products are classified as food and beverages, for example ketchup, mustard, honey and the like. The like third group of such products are consumer fluids, such as technical oils etc.
- a method for producing a A self-closing valve is proposed a method according to which partition, holding section and membrane in one Injection molding process in an inverted state, d. H. in a state in which the connecting wall is 180 ° offset to their original position in relation to the Holding section is located. The valve is then turned inside out inserted inside out in a cap.
- the solution according to the invention makes it self-closing Created a valve that opens reliably on the one hand, when the container is pressurized in the deployed position which, on the other hand, is reliable and dense closes.
- the membrane and the slots are matched to one another in such a way that elastic when the membrane is deformed outwards Build up restoring forces in the membrane that the If the pressure is released, close the valve.
- Transition area between the connecting wall and membrane in this way shape that forces or moments from the connecting wall the membrane are transmitted, which support the opening and closing.
- One can in particular with a rotationally symmetrical membrane Provide four or five slots, each from the axis of rotation outwards, d. H. extend to the connecting wall.
- the membrane particularly preferably has three slots. These slots are in a rotationally symmetrical membrane design arranged such that they are away from the axis of rotation extend radially outwards.
- the angular distance of the Slits are preferably the same and are 120 °.
- This web of material acts or these webs of material work within the elastic membrane like elastic tension springs and pull the slot together when reclosing.
- the invention proposes several different Designs.
- the connecting wall designed in a rotationally symmetrical structure so that in a central section containing the axis of rotation an im essential s-shaped course of the wall in the rest position results.
- this wall is then stretched, and the membrane opens as soon as the wall completely stretched condition. This results in a Extending and retracting the valve from a surrounding the valve Sealing cap.
- the connecting wall is essentially rigid.
- stiff should be understood here that the connecting wall during the transition of the valve from the closed position in the open position no significant Is subject to deformation. This is done in a preferred embodiment achieved in that the connecting wall between Bracket section and membrane essentially in cross section runs straight.
- Such a design can, for example can be achieved by making the connecting wall rotationally symmetrical Membrane is cylindrical.
- the membrane and connecting wall are decoupled in terms of torque are, d. H. that the movement of the membrane possible little of Forces and in particular moments influenced by the connecting wall could be transferred to the membrane.
- the transition area is between Connection wall and membrane in this preferred fourth embodiment designed in such a way that in particular no moments are transferred from the connecting wall to the membrane.
- This transition area can be a further preferred design also be created in that the material is inhomogeneous in this area, so that z. B. in this area another material used or the properties of the Material can be influenced in a suitable manner so that the desired Reduction in the ability to transfer torque is achieved becomes.
- the valve according to the invention can be made from all materials be the appropriate values for the elastic deformation and have the elastic restoring force.
- the membrane and / or the connecting wall made from a silicone material. Still is the manufacture of membrane and / or connecting wall from one thermoplastic elastomer possible. There is preferably a connecting wall, Bracket section and membrane from the same material and form a valve body.
- the holding section of the self-closing is particularly preferred Valve through a plastic device, with rotationally symmetrical Design of the valve a plastic ring, reinforced, which, compared to the material of the connecting wall and the membrane, from a stiffer and possibly also cheaper Plastic material is made.
- Fluid Fluid
- liquids liquids
- medium flowable Medium
- the closure used for food, and here for food that come from a group that includes the following foods: Vegetable and fruit juices and other drinks, condiments of all Kind, such as soy sauce and the like, viscous seasonings, such as Mustard, ketchup, mayonnaise, viscous foods such as honey, Jellies, jams, dairy products such as milk, condensed milk, Cream and the like.
- valve in the packaging of personal care and cleaning products, such as liquid ones or pasty soap, shower gels, skin oils, sunscreens, Shampoos, hair dyes, skin creams, deodorants etc.
- valve is also preferred for others Detergents and care products, such as detergents, universal cleaning agents, Shoe creams, polishes, stain removers, liquid detergents and the like.
- Detergents and care products such as detergents, universal cleaning agents, Shoe creams, polishes, stain removers, liquid detergents and the like.
- closure is also preferred for pharmaceutical products, and preferably for products used in smaller amounts are needed, such as. B. eye drops, nose drops, Disinfectant, and all forms of pharmaceutical Products, regardless of whether they are for internal or external Application are intended.
- a use for technical products is also preferred, for example for paints, varnishes, solvents, Lubricants and other technical chemicals and mixtures.
- the closure shown in Fig. 1 is in its entirety with V designated.
- the closure is on a conventional one Threaded neck 1 of a container 2 screwed. Inside this container, by the reference number 3, it is symbolically with the reference symbol 4 designated fluid or medium, its viscosity such is chosen that it is from a closure of the one in question here standing type can flow out.
- the container wall is complete or partially made of flexible material by the user can be squeezed.
- the neck 1 of the container 2 is cylindrical, the container can have a different shape.
- a cylindrical cap 31 is screwed on has a cylindrical part 32 which with one to the external thread the neck 1 is provided with a suitable internal thread.
- the medium 4 is at this flow through the total with 5 designated self-closing valve according to the present invention hindered.
- annular bead 13 is in one piece with the connecting wall and projecting radially outwards from it educated.
- the shoulder 14 is designed so that its bevel immediately the angle of the annular bead 13 in the open position corresponds.
- the membrane has a total of three Slots that start from the point where the axis of rotation pierces the membrane, this point the reference numeral 18 wears.
- the three slots are also arranged symmetrically and form an angle of 120 ° to each other.
- the length of the Slits in relation to the membrane result from the illustration 1, then a slot takes about an area between 3/5 and 4/5 of the membrane radius.
- the slots themselves are cut with a knife tool, the cut is preferably carried out in the position of the valve, such as it is shown in FIG. 1.
- the slots extend then in a plane that is perpendicular to the cap cover 12 and includes the axis of symmetry A-A.
- the use of three slots has the particular advantage that the slots are self-centering here can.
- the use of material bridges or webs has the Advantage that elastic over a uniaxial stress state Restoring forces can be built up.
- the length of the individual slots can also have more slots be designed differently, so that the slit itself is not rotationally symmetrical. It is also possible to the slits in a rotationally symmetrical membrane to arrange that the common point of all slots on the Membrane does not coincide with its axis of rotation. It is still possible with a design with three, four, five or more slits with the same star shape or to provide different slot lengths, in which the The angle between the individual slots is not the same. At four slots, the slots z. B. be designed so that they make an angle of> 90 ° to the one adjacent slot, form an angle of ⁇ 90 ° to the other adjacent slot.
- the cut edges of the tabs 20 are arch-like towards each other, which creates high holding forces. At the same time, however, low forces are sufficient to achieve the Open the rag inwards by negative pressure, so that the Sucking back the medium into the container is favored.
- FIGS. 1-4 show a further embodiment of the closing valve according to the invention.
- This closing valve can be inserted into a closure cap in a similar manner, as is the case with the closing valve according to FIGS. 1-4 is.
- the closing valve shows some deviations from 1 to 4, the following in detail are explained.
- the intermediate wall 42 is designed similarly to the intermediate wall 8, but there is an essential difference with regard to the membrane 40 and the transition region 43 between the membrane 40 and the connecting wall 42.
- the connecting wall 42 has, as shown in particular in the illustration 7 shows a cover area 50 in which the connecting wall folded inward in an arc is.
- the wall thickness in the part of the envelope area which is closer to the axis of rotation A-A, thinner than that Wall thickness of the connecting wall and is approximately half up to two thirds of the wall thickness of this connecting wall below of the handling area 50.
- At the envelope area 50 which is curved inwards, includes an outward curved (in the unturned state) first arc area 51, to which finally again one inside, d. H. oppositely curved arc area 52 connects.
- the wall thickness of this second arch area 52 is significantly higher than the wall thickness of the connecting wall and is about 50 to 100% higher than their strength.
- the wall thickness of the membrane 40 which extends to the second arc area 52 immediately follows, is approximately three to Seven times, preferably about five times the wall thickness of the Connecting wall, this wall thickness, like all other wall thicknesses the membrane, each parallel to the axis of rotation A-A are measured.
- the diameter ratio of the total valve to the diameter of the Membrane is approximately 4: 3.
- the arch region 52 is coupled directly to the membrane. It is essential that the arch region 52nd does not connect symmetrically to the wall of the membrane, but with respect to the holding section of the membrane in the non-inverted State is shifted.
- the membrane extends from the arch area 52 over a cylindrical wall 60 from the holding section in the non-slip Condition, or in the installed state of the interior of the container path.
- a second wall section 61 which is not cylindrical, but is conical (the membrane is rotationally symmetrical), extends into the opposite from wall 60 Direction, with the valve installed, towards the container.
- the length of the conical wall 61 measured parallel to the axis of rotation is approximately 50% longer than the length of the cylindrical Wall 60.
- the length is cylindrical Wall 60 is approximately equal to the length of the arch section 52 at the junction with the membrane, parallel to the axis of rotation is measured and the length of the conical wall 61 is then by between about 30% and about 70% preferably 50% longer.
- the membrane At the end of the cylindrical wall 60, designated 60a, the membrane has a relatively sharp edge and extends then from this in a parabolic arc 64 towards the axis of rotation.
- the extends from the end 61a of the conical wall 61 Membrane made with a section 65 that is only slightly curved is, d. H. has a large radius of curvature, wherein the side edge in section with a plane that is perpendicular to the Rotation axis A-A is preferred, an angle between 20 ° and 30 ° approx. 25 °.
- the wall section with a large radius of curvature 65 goes in one Diameter range that is less than half the membrane diameter, but larger than a quarter of the membrane diameter into a circular area 66 above, which is designed perpendicular to the axis of rotation.
- the membrane diameter is the largest membrane diameter understand that is the distance between two opposite edges 60a.
- the wall thickness of the Membrane with increasing distance from the axis of rotation.
- the wall thickness of the membrane at the point of intersection of the axis of rotation is approx. 25% to 75% larger than the wall thickness of the connecting wall below the membrane, preferably about 50% larger.
- a circular peripheral edge is formed that with the designation 65a, the wall thickness is the Membrane preferably between 25% and 75% higher than the wall thickness in the center, particularly preferably about 50% higher.
- the wall thickness of the membrane is measured parallel to the axis of rotation, preferably approx. 3 - 4 times the wall thickness at the point of intersection of the axis of rotation, particularly preferably about 3.5 times.
- the membrane is preferably made of a silicone material, but there are also other plastic materials, such as thermoplastic elastomers, etc. in question.
- FIG. 5 Another special feature of the design according to FIG. 5 is the additional retaining ring 70.
- This retaining ring has, as from figure 6 shows a plurality of arranged in the circumferential direction Openings 71, which are in cross section, as can be seen in particular from FIG. 5, towards the bottom, d. H. from the contact area with the holding section 72 of the in FIG Expand 50 shown valve pointing.
- the retaining ring 70 consists of a harder, less elastic Plastic material as the material of the actual valve, are made from the connecting wall and membrane.
- valve according to FIGS. 5, 6 and 7 is manufactured as follows:
- the retaining ring 70 is in a separate operation injection molded from the appropriate plastic material.
- the retaining ring is then molded into the valve body used and it is, in the embodiment, silicone material injected into the injection mold.
- the silicone material penetrates in the breakthroughs 71.
- the silicone material is then used for a longer period of time annealed at suitable temperatures.
- valve body After the completion of the valve body, the valve is turned inside out, by the membrane in the illustration according to FIG is moved up.
- the shoulder 13 is then on the connecting wall in area a as in a corresponding manner for the valve shown there is shown in Figure 1.
- the valve is then slotted as shown in Figure 2.
- valve is placed in a cap the representation of Figure 1 used, the webs 11 are designed such that they have the retaining ring 70 in a corresponding manner Record wise.
- FIG. 1 Another embodiment of the invention will now be referenced described in FIG. 1
- FIG. 8 shows a self-closing valve 80, which consists of a holding portion 81, a connecting wall 82 and one Membrane 83 exists.
- the membrane 83 and the transition region 84 to the side wall 80 is designed in exactly the same way as in FIG with reference to Figures 5 to 7 for the membrane 40 and the transition region 43 was explained.
- connecting wall does not move during the dispensing process.
- the connecting wall is therefore designed so that it essentially only absorbs the tensile forces which occur when actuated the membrane is exerted by the membrane on the connecting wall become.
- the connecting wall 82 is with a Wall thickness designed to be about as thick or a little thicker than the largest wall thickness of the membrane. This wall thickness leads to a relatively stiff connecting wall.
- the wall thickness corresponds to that in FIG. 8 shown is not absolutely necessary. It is, in particular (but not only) if an appropriate guide in the Locking cap is provided, possible for the connecting wall 82 to choose a significantly smaller wall thickness.
- the valve is manufactured in the same way as above explained for the embodiment of Figures 5-7 has been.
- the valve is turned inside out from a silicone material Condition manufactured and is then put into the condition in which it is shown in Figure 8.
- This one too Embodiment can be another instead of silicone material
- Plastic material with suitable elastic properties and appropriate restoring force can be used, such as. B. a thermoplastic elastomer.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Processing Of Solid Wastes (AREA)
- Lift Valve (AREA)
- Magnetically Actuated Valves (AREA)
- Safety Valves (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Nozzles (AREA)
- Materials For Medical Uses (AREA)
- Laminated Bodies (AREA)
Abstract
Description
- Fig. 1
- einen Schnitt durch den Verschluß eines Behälters in der Überkopfstellung, wobei in dem Verschluß ein erstes Ausführungsbeispiel eines selbstschließenden Ventils gemäß der Erfindung angeordnet ist;
- Fig. 2
- eine Unteransicht des Ausführungsbeispiels gemäß Fig. 1;
- Fig. 3
- das Ausführungsbeispiel gemäß Fig. 1 in geöffnetem Zustand;
- Fig. 4
- eine Aufsicht auf die Darstellung gemäß Fig. 3;
- Fig. 5
- ein Ausführungsbeispiel eines Ventils ähnlich der Figuren 1 - 4 mit einer etwas anderen Ventilform in einer Schnittdarstellung;
- Fig. 6
- eine Aufsicht auf ein Detail der Fig. 5, den Verstärkungsring zeigend;
- Fig. 7
- ein Detail der Darstellung gemäß Fig. 5;
- Fig. 8
- eine Schnittdarstellung eines weiteren Ausführungsbeispiels der Erfindung.
Claims (26)
- Verfahren zur Herstellung eines selbstschließenden Ventils zur Ausgabe von fließfähigen Medien aus einem Behälter miteiner gewölbten Membran, deren Wölbung in der Schließposition dem fließfähigen Medium zugewandt ist und welche sich beim Aufbau eines Drucks im Behälter in eine Ausgabeposition nach außen wölbt,einem Halteabschnitt, durch welchen das Ventil an diesem Behälter gehalten wird,einer Verbindungswand, welche zwischen dieser Membran und diesem Halteabschnitt angeordnet ist,einer in der Membran vorgesehenen Schlitzung, die sich in der Ausgabeposition öffnet,
mit folgenden Verfahrensschritten:Einspritzen des Kunststoffmaterials in eine Form, durch welche eine einstückiger Ventilkörper bestehend aus Membran, Verbindungswand und Halteabschnitt geformt wird;Entnehmen des Ventilkörpers aus dieser Form;Umstülpen des Ventilkörpers, indem die Membran durch den von der Verbindungswand umgebenen Hohlraum geführt wird;Einbringen einer Schlitzung in die Membran. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Übergang zwischen dieser Zwischenwand und dieser Membran derart gestaltet ist, daß im wesentlichen keine oder nur geringe Momente von der Zwischenwand auf die Membran übertragen werden, so daß von der Zwischenwand auf die Membran übertragene Momente keinen wesentlichen Einfluß auf das Öffnen und Schließen dieser Schlitzung haben.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß der Übergangsbereich zwischen Verbindungswand und Membran scharnierartig gestaltet ist.
- Verfahren gemäß mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Membran und die Verbindungswand im wesentlichen rotationssymmetrisch gestaltet sind.
- Verfahren gemäß mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Übergangsbereich zwischen der Verbindungswand und der Membran derart gestaltet ist, daß die Verbindungswand eine zur Rotationsachse hin gerichtete Umschlagkante mit in etwa bogenförmigem Querschnitt aufweist.
- Verfahren gemäß mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Membran eine im wesentlichen zur Verbindungswand hin gerichtete umlaufende Wand aufweist, und daß an dieser Wand ein Verbindungsbereich zur Verbindung der Membran mit der Zwischenwand angeformt ist.
- Verfahren gemäß Anspruch 6, dadurch gekennzeichnet, daß dieser Verbindungsbereich derart an dieser umlaufenden Wand angeformt ist, daß er aus einem Mittelbereich dieser Wand in einer Richtung auf das Innere der Wölbung hin und, im eingebauten Zustand, vom Behälterinneren weg, versetzt ist.
- Verfahren gemäß mindestens einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß dieser nach innen gerichtete Umschlag der Verbindungswand und dieser Verbindungsbereich der Membran über einen an beiden angeformten Abschnitt verbunden ist, der im Querschnitt vorzugsweise bogenförmig gestaltet ist, wobei die Krümmung dieses Bogens der Krümmung des Umschlags an der Verbindungswand entgegengesetzt ist.
- Verfahren gemäß mindestens einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Membran in der Schließposition in ihrem Mittelbereich eine zum Behälter hin weisende, im wesentlichen ebene Kreisringfläche aufweist.
- Verfahren gemäß mindestens einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Wandstärke der Membran von dem Mittelbereich nach außen zunimmt, wobei die Wandstärke im Außenbereich und parallel zur Rotationsachse gemessen vorzugsweise das Zwei- bis Dreifache der Wandstärke im Mittelbereich beträgt.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 10, dadurch gekennzeichnet, daß die Schlitzung derart gestaltet ist, daß sie einen Schlitz aufweist.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 10, dadurch gekennzeichnet, daß diese Schlitzung drei Schlitze aufweist, welche vorzugsweise sternförmig gestaltet sind und welche vorzugsweise im gleichen Winkelabstand zueinander angeordnet sind.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 10, dadurch gekennzeichnet, daß diese Schlitzung vier, fünf oder mehr Schlitze aufweist, die vorzugsweise sternförmig angeordnet sind und die vorzugsweise den gleichen Winkelabstand zueinander aufweisen.
- Verfahren gemäß Anspruch 2 und einem der Ansprüche 11 - 13, dadurch gekennzeichnet, daß diese Schlitzung rotationssymmetrisch zu dieser Rotationsachse gestaltet ist.
- Verfahren gemäß mindestens einem der Ansprüche 11 - 14, dadurch gekennzeichnet, daß wenigstens einer dieser Schlitze derart unterbrochen ist, daß eine Materialbrücke entsteht, wobei die Länge dieser Schlitzunterbrechung kleiner ist, vorzugsweise wesentlich kleiner ist, als die gesamte Länge des jeweligen Schlitzes.
- Verfahren gemäß mindestens einem der Ansprüche 11 - 15, dadurch gekennzeichnet, daß wenigstens ein Schlitz wenigstens zwei oder mehr Unterbrechungen aufweist.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 16, dadurch gekennzeichnet, daß diese Verbindungswand einen ersten Abschnitt (a) aufweist, der unmittelbar dieser Membran benachbart ist, sowie einen zweiten Abschnitt (b), der dem Halteabschnitt benachbart ist, und daß dieser erste Abschnitt (a) und dieser zweite Abschnitt (b) in der Schließposition im Querschnitt im Winkel zueinander angeordnet sind.
- Verfahren gemäß Anspruch 17, dadurch gekennzeichnet, daß dieser im Querschnitt gemessene Winkel zwischen dem Bereich (a) der Verbindungswand und dem Bereich (b) der Verbindungswand sich vergrößert, wenn sich das Ventil von der Schließposition in die Ausgabeposition bewegt.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 16, dadurch gekennzeichnet, daß die Verbindungswand sowohl in der Schließposition als auch in der Ausgabeposition im Querschnitt im wesentlichen geradlinig verläuft.
- Verfahren gemäß Anspruch 19, dadurch gekennzeichnet, daß die Verbindungswand im wesentlichen zylindrisch gestaltet ist, und ihre Form im Übergang von der Schließposition in die Ausgabeposition nicht wesentlich ändert.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 20, dadurch gekennzeichnet, daß dieser Halteabschnitt mit einem von der Verbindungswand nach außen kragenden, von einer Rotationssymmetrieachse wegweisenden Halterand ausgebildet ist.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 21, dadurch gekennzeichnet, daß ein Verstärkungsring vorgesehen ist, welcher aus einem härteren Kunststoffmaterial gefertigt ist als das Material der Membran.
- Verfahren gemäß einem der Ansprüche 21 oder 22, dadurch gekennzeichnet, daß dieser Verstärkungsring 23 bei rotationssymmetrischem Ventilkörper rotationssymmetrisch gestaltet ist und eine Vielzahl von Durchbrechungen aufweist, in denen sich im gefertigten Endzustand Material des Halteabschnittes des Ventils befindet.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 23, dadurch gekennzeichnet, daß der Ventilkörper aus einem Silikonmaterial besteht.
- Verfahren gemäß mindestens einem der Ansprüche 1 - 23, dadurch gekennzeichnet, daß der Ventilkörper aus einem thermoplastischen Elastomer besteht.
- Verfahren zur Herstellung eines selbstschließenden Ventils gemäß mindesten einem Ansprüche 1 bis 25, dadurch gekennzeichnet, daß vor dem Einspritzen des Kunststoffmaterials ein aus Kunststoff bestehender Verstärkungsring in die Form eingelegt wird, wobei dieser Kunststoffring wenigstens zwei Hohlräume aufweist, in welche das Kunststoffmaterial beim Einspritzen eindringt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29703275U DE29703275U1 (de) | 1997-02-25 | 1997-02-25 | Verschlußmembran |
DE29703275U | 1997-02-25 | ||
EP98912395A EP0963323B1 (de) | 1997-02-25 | 1998-02-25 | Selbstschliessendes ventil und behälter mit diesem selbstschliessenden ventil |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98912395A Division EP0963323B1 (de) | 1997-02-25 | 1998-02-25 | Selbstschliessendes ventil und behälter mit diesem selbstschliessenden ventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1078863A1 true EP1078863A1 (de) | 2001-02-28 |
EP1078863B1 EP1078863B1 (de) | 2003-12-17 |
Family
ID=8036454
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00124846A Expired - Lifetime EP1078863B1 (de) | 1997-02-25 | 1998-02-25 | Verfahren zur Herstellung eines selbstschliessenden Ventils |
EP98912395A Expired - Lifetime EP0963323B1 (de) | 1997-02-25 | 1998-02-25 | Selbstschliessendes ventil und behälter mit diesem selbstschliessenden ventil |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98912395A Expired - Lifetime EP0963323B1 (de) | 1997-02-25 | 1998-02-25 | Selbstschliessendes ventil und behälter mit diesem selbstschliessenden ventil |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP1078863B1 (de) |
AT (2) | ATE229458T1 (de) |
AU (1) | AU6725198A (de) |
DE (3) | DE29703275U1 (de) |
ES (2) | ES2189147T3 (de) |
WO (1) | WO1998038102A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1290967A2 (de) † | 2001-09-04 | 2003-03-12 | Aqualisa Products Limited | Duschkopf mit elastischen Nippeldüsen |
DE102005012706A1 (de) * | 2005-03-11 | 2006-09-21 | Hansa Metallwerke Ag | Duschkopf |
NL1038867C2 (en) * | 2011-06-09 | 2012-12-11 | Bokhoven Markus Theodorus Johannes Fanciskus Van | OOZING FREE CAULKING AND GLUEING GUN BASED ON VACUUM. |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29913319U1 (de) * | 1999-07-29 | 2000-12-07 | Weener Plastik Gmbh Co Kg | Selbstschließendes Ventil |
ES2253239T3 (es) * | 1999-07-29 | 2006-06-01 | WEENER PLASTIK GMBH & CO. KG | Valvula de cierre automatico. |
DE10218363A1 (de) * | 2002-04-25 | 2003-11-13 | Alpla Werke | Selbstschließendes Ventil |
BR0306331A (pt) * | 2002-09-16 | 2004-10-19 | Alpla Werke | Válvula de diafragma com fechamento automático |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0160336A2 (de) * | 1984-04-27 | 1985-11-06 | The Procter & Gamble Company | Biegsamer Behälter mit einem selbstverschliessbaren Ventil zum automatischen Verschliessen und Dichthalten des umgekehrten Behälters |
US4749108A (en) * | 1986-12-19 | 1988-06-07 | The Procter & Gamble Company | Bimodal storage and dispensing package including self-sealing dispensing valve to provide automatic shut-off and leak-resistant inverted storage |
EP0495440A2 (de) * | 1991-01-14 | 1992-07-22 | AptarGroup, Inc. | Spenderverschluss mit druckangetriebenem flexiblem Ventil |
EP0545678A2 (de) * | 1991-12-06 | 1993-06-09 | Liquid Molding Systems, Inc. | Ausgabeventil für Verpackungen |
EP0555623A1 (de) * | 1992-02-14 | 1993-08-18 | The Procter & Gamble Company | Vorrichtung umfassend einen mit einem Schlitzventil als Entlüftungsventil versehenen Behälter und eine in diesem Behälter enthaltene Flüssigkeit |
EP0586778A1 (de) * | 1992-09-10 | 1994-03-16 | The Procter & Gamble Company | Stehende Flüssigkeit enthaltendes System mit Selbstverschlussventil |
DE29508151U1 (de) * | 1995-05-17 | 1995-08-17 | Georg Menshen GmbH & Co KG, 57413 Finnentrop | Schlitzventil zum Verschließen von Behältern |
WO1995034500A1 (en) * | 1994-06-10 | 1995-12-21 | Aptargroup Inc. | Dispensing closure cartridge valve system |
-
1997
- 1997-02-25 DE DE29703275U patent/DE29703275U1/de not_active Expired - Lifetime
-
1998
- 1998-02-25 DE DE59806624T patent/DE59806624D1/de not_active Expired - Lifetime
- 1998-02-25 WO PCT/EP1998/001075 patent/WO1998038102A1/de active IP Right Grant
- 1998-02-25 EP EP00124846A patent/EP1078863B1/de not_active Expired - Lifetime
- 1998-02-25 EP EP98912395A patent/EP0963323B1/de not_active Expired - Lifetime
- 1998-02-25 ES ES98912395T patent/ES2189147T3/es not_active Expired - Lifetime
- 1998-02-25 DE DE59810488T patent/DE59810488D1/de not_active Expired - Lifetime
- 1998-02-25 ES ES00124846T patent/ES2212956T3/es not_active Expired - Lifetime
- 1998-02-25 AT AT98912395T patent/ATE229458T1/de active
- 1998-02-25 AU AU67251/98A patent/AU6725198A/en not_active Abandoned
- 1998-02-25 AT AT00124846T patent/ATE256604T1/de active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0160336A2 (de) * | 1984-04-27 | 1985-11-06 | The Procter & Gamble Company | Biegsamer Behälter mit einem selbstverschliessbaren Ventil zum automatischen Verschliessen und Dichthalten des umgekehrten Behälters |
US4749108A (en) * | 1986-12-19 | 1988-06-07 | The Procter & Gamble Company | Bimodal storage and dispensing package including self-sealing dispensing valve to provide automatic shut-off and leak-resistant inverted storage |
EP0495440A2 (de) * | 1991-01-14 | 1992-07-22 | AptarGroup, Inc. | Spenderverschluss mit druckangetriebenem flexiblem Ventil |
EP0545678A2 (de) * | 1991-12-06 | 1993-06-09 | Liquid Molding Systems, Inc. | Ausgabeventil für Verpackungen |
EP0555623A1 (de) * | 1992-02-14 | 1993-08-18 | The Procter & Gamble Company | Vorrichtung umfassend einen mit einem Schlitzventil als Entlüftungsventil versehenen Behälter und eine in diesem Behälter enthaltene Flüssigkeit |
EP0586778A1 (de) * | 1992-09-10 | 1994-03-16 | The Procter & Gamble Company | Stehende Flüssigkeit enthaltendes System mit Selbstverschlussventil |
WO1995034500A1 (en) * | 1994-06-10 | 1995-12-21 | Aptargroup Inc. | Dispensing closure cartridge valve system |
DE29508151U1 (de) * | 1995-05-17 | 1995-08-17 | Georg Menshen GmbH & Co KG, 57413 Finnentrop | Schlitzventil zum Verschließen von Behältern |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1290967A2 (de) † | 2001-09-04 | 2003-03-12 | Aqualisa Products Limited | Duschkopf mit elastischen Nippeldüsen |
EP1290967B2 (de) † | 2001-09-04 | 2010-12-15 | Aqualisa Products Limited | Duschkopf mit elastischen Nippeldüsen |
DE102005012706A1 (de) * | 2005-03-11 | 2006-09-21 | Hansa Metallwerke Ag | Duschkopf |
DE102005012706B4 (de) * | 2005-03-11 | 2006-11-23 | Hansa Metallwerke Ag | Duschkopf |
EP1700636A3 (de) * | 2005-03-11 | 2008-06-18 | Hansa Metallwerke Ag | Duschkopf |
NL1038867C2 (en) * | 2011-06-09 | 2012-12-11 | Bokhoven Markus Theodorus Johannes Fanciskus Van | OOZING FREE CAULKING AND GLUEING GUN BASED ON VACUUM. |
Also Published As
Publication number | Publication date |
---|---|
ATE229458T1 (de) | 2002-12-15 |
AU6725198A (en) | 1998-09-18 |
WO1998038102A1 (de) | 1998-09-03 |
DE29703275U1 (de) | 1998-06-25 |
DE59810488D1 (de) | 2004-01-29 |
EP0963323B1 (de) | 2002-12-11 |
EP1078863B1 (de) | 2003-12-17 |
ATE256604T1 (de) | 2004-01-15 |
DE59806624D1 (de) | 2003-01-23 |
ES2212956T3 (es) | 2004-08-16 |
ES2189147T3 (es) | 2003-07-01 |
EP0963323A1 (de) | 1999-12-15 |
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