EP2763796B1 - Dispenser for paste-like materials - Google Patents
Dispenser for paste-like materials Download PDFInfo
- Publication number
- EP2763796B1 EP2763796B1 EP12773285.7A EP12773285A EP2763796B1 EP 2763796 B1 EP2763796 B1 EP 2763796B1 EP 12773285 A EP12773285 A EP 12773285A EP 2763796 B1 EP2763796 B1 EP 2763796B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- return spring
- spring member
- mass
- dispenser
- headpiece
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 title description 13
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 235000011837 pasties Nutrition 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims 4
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 21
- 238000009792 diffusion process Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/109—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle the dispensing stroke being affected by the stored energy of a spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
- B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1028—Pumps having a pumping chamber with a deformable wall
- B05B11/1033—Pumps having a pumping chamber with a deformable wall the deformable wall, the inlet and outlet valve elements being integrally formed, e.g. moulded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1043—Sealing or attachment arrangements between pump and container
- B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
- B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
- B05B11/0032—Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
Definitions
- the invention relates to a dispenser for pasty masses, consisting of a tubular mass housing with follower piston and a manually operable headpiece, which is equipped with a mouthpiece and linear output for mass output and depressible in the direction of the follower piston under tensioning of a building up by buckling return spring member.
- Donors of the type in question are known. These serve, in particular, for the portioned dispensing of pasty masses, for example for dispensing cream, such as, for example, care or toothpaste, wherein a follower piston is provided in a container storing the mass and the mass is dispensed in portions by pumping movement of the headpiece.
- a follower piston is provided in a container storing the mass and the mass is dispensed in portions by pumping movement of the headpiece.
- a dispenser of the type in question is known in which by user-operated lowering of the head piece for outputting the mass taken between a head piece and the mass housing return spring member as a result of a buckling of the same is tensioned.
- the invention is concerned with the task of specifying a dispenser for pasty masses, which can be produced in a favorable manner with an advantageous function of the return spring member.
- the central portion of the resilient return spring member collapses into the portioning chamber of the head piece, wherein the return spring member of a curly S-shape merges into the shape of two oppositely standing U-sections and the two End portions are clamped on the head piece and on an upper tube piece of the mass housing.
- the return spring member which buckles in the course of a preferred downward movement of the head piece, acts favorably on the mass pre-portioned in the portioning chamber for dispensing.
- the wall of the return spring member from a curved in the unloaded head piece position S-shape in preferably fully loaded headpiece position, ie preferably fully lowered headpiece position in a double, oppositely directed U-shape over, more preferred At least the middle section, moreover, preferably at least one adjoining U-section in the portioning chamber, acting on the mass, immersed.
- a radially outer end portion thereof on the head piece and a radially inner end portion on an upper piece of pipe Mass housing determined, in particular according to clamping.
- the clamping is correspondingly preferably reached in the region of the in a vertical section in the loaded position of each other repellent U-legs of the oppositely directed U-sections.
- the stülpbalgieri return spring member in this case preferably with respect to a vertical section through the return spring member in a relaxed solo position, ie in not built into the dispenser position, a curly S-wall shape.
- the curly S-shape of the return spring member wall is reached in the installed state, more preferably according to appropriate clamping between the head and the mass housing, so that even in an unloaded initial position of the head at least a small restoring force of the return spring member acts on the head.
- the closure tongue preferably represents a partial vertical extension viewed at least before the return spring element is inserted into the dispenser
- the closure tongue is further material-tapered relative to at least the outer end portion of the return spring member so as to offer a favorable bendability of the closure tongue in a release position upon actuation of the dispenser.
- the outlet valve acts, preferably protruding with the closure tongue into the mouthpiece channel, together with an outlet opening of the portioning chamber, with the closure tongue in the closure position more preferably lying flat on a headpiece surface surrounding the dispensing opening. It is preferred in this regard that the outlet valve or the closing tongue is resiliently loaded in the direction of the outlet opening between the portioning chamber and the outlet mouthpiece. The spring load results in a preferred embodiment of the selected material of the exhaust valve.
- the closing tongue preferably in the installed position of the return spring member and thus the exhaust valve or the closing tongue surrounding the discharge opening of the Portion michslager contact surface, preferably inclined by an angle of 5 to 7 degrees to a vertical, so that the locking tongue in the closed position of the original Vertical orientation is inclined radially outward about a pivot overcone region in the root region of the closure tongue to the outer end portion of the return spring member.
- the closing tongue is pivoted further in the direction of the mouthpiece channel, lifting away from the contact surface and correspondingly releasing the outlet opening. in this case preferably displaced arcuately, so that the closure tongue hangs bent in the mass flow in the course of the mass output.
- an inlet valve working alternately with the outlet valve which opens the portioning chamber for filling during a suction stroke of the head piece and that the inlet valve is formed integrally with the return spring member.
- Such an inlet valve is preferably made of a rubber-like, resilient plastic.
- the return spring member consists of a rubber-like, resilient plastic, which further preferably offers a one-piece design of the exhaust valve with the spring element, more preferably at the same time a one-piece design of the inlet valve with the return spring member.
- This preferred one-piece embodiment of the return spring member preferably both with the exhaust valve and with the inlet valve proves to be particularly favorable as a manufacturing technology, in addition also favorable with respect to the assembly of the dispenser.
- the return spring member is preferably made of a resilient elastomer, more particularly of a silicone material. This material provides a sufficient resilience to the resilient return displacement of the head piece in the starting position.
- the return spring member is here preferably made as a plastic injection molded part.
- the design of the return spring member in which preferably only a central portion free-spanned between the clamped end portions extends, to the effect of advantage that this results in the smallest possible diffusion area, this in particular when the return spring member, as further preferred, at least in sections, constitutes a boundary of the portioning chamber. Accordingly, in such a Embodiment at least after a first use of the dispenser, the area of the return spring member facing the portioning chamber covered with mass.
- the preferably used material of the return spring member is diffusive.
- the return spring member alone and this is more preferably in each vertical position of the Kopf Kunststoffes- between the clamped end portions freely extending central portion freely and accordingly not material covered.
- the diffusion area is restricted accordingly only to this middle section.
- the sections of the restoring spring member provided in addition, in particular in the diffusion direction, are preferably deposited with material of the mass housing, the head piece and / or the pipe piece, so that a diffusion barrier is present here or at least covered by a first use of the dispenser by mass on both sides.
- a dispenser 1 in particular for a pasty mass M which dispenser 1 is composed essentially of a mass housing 2 stocking the mass M and an actuatable head piece 3.
- dispenser 1 is configured rotationally symmetrical with a central axis x.
- the head piece 3 is preferred, as well as in the Fig. 1 and 2 shown, covered by a cap 4.
- This further preferably has an outer diameter corresponding to the outer diameter of the mass housing 2.
- the mass housing 2 has a housing bottom 5.
- the opening of the mass housing 2 pointing vertically upwards in the illustrations is covered by an insert part 6, which in the usual operating state of the dispenser 1 is inseparably, at least not releasably connected to the mass housing 2 without tools, thus in particular latched.
- a follower piston 7 is further preferably provided. Between this and the mass housing 2 on the upper side overlapping insert part 6, the mass M is stored.
- the insert 6 forms centrally, starting from a cone region 8, a projecting beyond the opening plane of the mass housing 2 pipe piece 9. This has in a preferred embodiment an inner diameter corresponding to one third to one fifth, more preferably one quarter of the inner diameter of the mass housing 2.
- the pipe blanket 10 has centrally an inlet opening 11.
- the contour of the follower piston 7 is substantially adapted to that of the insert part 6, see FIG that correspondingly also the follower piston 7, starting from a cone region 12, centrally forms a pipe section 13 adapted to the inside diameter of the pipe section 9 with respect to the outside diameter.
- the insert 6 is also preferably designed for latching the closure cap 4, to which the insert 6 has a projecting beyond the opening plane of the mass housing 2, circumferential vertical collar 14 which cooperates in the cap closure position with a peripheral lower edge region of the cap 4 (see. Fig. 2 ).
- the vertical collar 14 also serves to guide the head piece 3 in the vertical direction.
- the vertical collar 14 cooperates with a Wandungsau touchseite a with respect to the representations vertically aligned annular wall portion 15 of the head piece 3.
- This radially outer guide is further associated with a radially inner guide.
- a headpiece-side annular wall 16 cooperates with an annular collar 17 of the insert 6 extending between the tubular piece 9 and the vertical collar 14.
- the head piece 3 is displaceable relative to the insert part 6 and thus relative to the mass housing 2 in the vertical direction, this under appropriate guidance, wherein the vertical displacement is limited to both vertically downwards and vertically above each stop.
- the head piece 3 has a portioning chamber 18. This is arranged at least in the unloaded position of the head piece 3 substantially above the unteil- or mass housing side pipe section 9. Circumferentially, with respect to the axis x, the portioning chamber 18 is substantially bounded by the annular wall 16, which annular wall 16 in the region of the portioning chamber 18 has a thickening. An upper-side boundary of the portioning chamber 18 is provided by a head piece cover 19, which at the same time offers a control surface for the preferred finger-loaded pressure load of the head piece 3 for dispensing the mass M.
- the portioning chamber 18 opens substantially at least radially outward into a mouthpiece channel 20.
- an outlet opening 21 is formed in the mouthpiece channel 20 associated region of the annular wall 16 and the headpiece side thickening, which compared to the inner diameter of the mouthpiece channel 20 is reduced diameter.
- a central axis of the mouthpiece channel 20 further preferably extends in parallel alignment with an operating plane of the headpiece cover 19, more preferably, as also shown, enclosing an acute angle to a transverse plane of 10 to 15 ° as viewed with respect to the axis x.
- the mouthpiece channel 20 facing the outlet opening 21 surrounding contact surface 22 extends with respect to a vertical cross-section at an acute angle of 5 to 7 ° to a plane parallel to the axis x extending vertical plane.
- the mouthpiece channel 20 is further preferably closed prior to initial use of the dispenser 1, in particular for tamper-evident purposes, by means of a stopper 24 projecting through the dispensing opening 23.
- all the above-described components of the dispenser 1 molded parts made of a plastic material, in particular hard plastic material, which parts are further preferably produced by injection molding.
- a resilient return spring member 25 is provided for preferably automatic return displacement of the head piece in the output length after a required for mass output Vertikalab provided.
- This also serves as a sealing element for sealing in particular the portioning chamber 18, in this case forms the headboard ceiling 19 opposite chamber bottom.
- the return spring member 25 is for this purpose made of a rubber-like, resilient plastic, more preferably made of a silicone material.
- return spring member 25 is initially and substantially rotationally symmetrical design and has centrally first a cup-shaped fixing portion 26, with a transverse to the axis x aligned ceiling 27 in the installed state and an outgoing from the ceiling 27 and downwardly directed, circumferential wall. From this peripheral wall, the return spring member 25 widens pot-like manner to form a vertically upper in the installed position, annular end portion 28, with respect to a vertical section in accordance with Fig. 5 is connected via a curly, S-shaped central portion 29 with the downwardly directed circumferential wall. In the region of the vertically upper end portion 28, the return spring member 25 preferably has an inner diameter of the 1.5- to 3-, more preferably 2 times the inner diameter in the region of the downward wall, the lower end portion 30 of the return spring member 25th represents corresponds.
- the return spring member 25 is held in the region of the pipe blanket 10, for which purpose the end portion 30 is inserted by clamping into a circumferential annular slot 31 of the pipe section 9.
- the vertically upwardly facing circumferential end portion 28 of the return spring member 25 is clamped in a circumferential annular groove 32 in the thickening region of the headpiece side annular wall 16th
- the central portion 29 extends in vertical overlap between the circumferential wall of the pipe section 9 and the annular wall 16 of the head piece 3.
- This central portion 29 kinks in the course of the downward displacement of the head piece 3 according to pressurization on the headstock cover 19, wherein the curly S-shape of Return spring member wall, in particular of the central portion 29, in the form of two oppositely standing U-sections 33, 33 'transitions (see, for example. Fig. 3 ).
- the return spring member 25 acts according to a Stülpbalg.
- a spring force is built on the stülpbalgieri return spring member 25, which is used for the automatic return of the head piece 3 in the starting position after cancellation of the pressure load from the outside.
- the force acting on the head piece 3 in the course of the return force is directed substantially parallel to the direction of displacement.
- the central portion 29 inverts to form the U-section 33 in the region of the portioning chamber 18, this preferably with appropriate support of the mass output from the portioning chamber 18.
- the oppositely directed U-section 33 inverts into the free annular space between the wall of the pipe section 9 and the head piece side annular wall 16 a.
- the restoring spring member 25 is formed in one piece and of the same material both with an outlet valve 34 and with an inlet valve 35.
- the inlet valve 35 is a substantially in the area of the ceiling 27 of the fixing portion 26 plate-shaped valve with a centrally disposed, movably supported by webs 36 cone closure body 37. The latter closes in a basic position of the dispenser 1 sealing the inlet opening 11 of mass housing-side pipe section 9 from, wherein the cone closure body 37 supporting webs 36 substantially, at least partially supported on the top of the pipe blanket 10.
- the outlet valve 34 operates alternately with the inlet valve 35.
- This is designed as a pivotable locking tongue 38, which protrudes from the peripheral edge formed by the vertically upper end portion 30 with respect to a vertical section in extension of the end portion 30.
- This closure tongue 38 is material-tapered in relation to the end section 30 carrying it, and preferably has a material thickness which corresponds to 0.5 to 0.8 times the material thickness of the end section 30.
- the closure tongue 38 dives into the mouthpiece channel 20 through a slot formed in the connection region of the end section 30 in the thickening section of the annular wall 16, for abutment of the sealing surface facing the outlet opening 21 against the contact surface 22 surrounding the outlet opening 21.
- the closure tongue 28 against the unloaded orientation of the locking tongue 38 in the non-installed state resiliently loaded in the direction of the closed position of the outlet opening 21 at.
- Fig. 3 to 5 are positions of the donor 1 shown in the course of a first use. It can be seen that as shown in Fig. 3 before a first use mass M is only in the mass housing 2.befindet. It is accordingly first to perform a first filling of the portioning chamber 18.
- dispenser 1 is ready for the first portioned output of mass M.
- a dispensing volume of mass M of 0.8 to 1.5 ml is preferably achieved.
- the spring force of the return spring member 25 built up during the downward displacement of the head piece 3 is used for the automatic return displacement of the head piece 3 in the in Fig. 6 represented starting position of the head piece 3, wherein in the course of the backward displacement due to suction, the portioning chamber 18 is filled again with mass M, this with a corresponding displacement of the outlet valve 34 in the release position.
- the closure tongue 38 is not subjected to any flow, the closure tongue is displaced back into the closed position of the outlet opening 21, which displacement is further assisted by the suction effect occurring during the return displacement of the head piece 3, which also advantageously at least partially draws in in the mouthpiece channel 20 remaining mass M causes.
- This suction-return displacement of remaining in the mouthpiece channel 20 remaining mass of mass M supports the return displacement of the locking tongue 38 in the closed position.
- Fig. 8 shows the emptying position of the dispenser 1, in which the trailing in the course of each dispenser piston 7 occurs in a stop position with the insert 6, wherein the trailing-piston pipe section 13 is immersed in the pipe section 9 of the insert 6. It is in Fig. 8 a position shown in which the portioning chamber 18 is still completely filled, according to still the issue of a portioned amount of mass M allows.
- the proposed dispenser 1 has a low residual emptying amount of preferably less than 2.6 ml.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Coating Apparatus (AREA)
- Manufacturing And Processing Devices For Dough (AREA)
- Closures For Containers (AREA)
Description
Die Erfindung betrifft einen Spender für pastöse Massen, bestehend aus einem rohrförmigen Massengehäuse mit Nachlaufkolben und einem handbetätigbaren Kopfstück, welches mit einem Mundstück ausgestattet ist und zur Massenausgabe linear geführt und in Richtung des Nachlaufkolbens niederdrückbar ist unter Anspannen eines sich durch Einknicken aufbauenden Rückstellfedergliedes.The invention relates to a dispenser for pasty masses, consisting of a tubular mass housing with follower piston and a manually operable headpiece, which is equipped with a mouthpiece and linear output for mass output and depressible in the direction of the follower piston under tensioning of a building up by buckling return spring member.
Spender der in Rede stehenden Art sind bekannt. Diese dienen insbesondere zur portionierten Ausgabe pastöser Massen, bspw. zur Ausgabe von Creme, wie weiter bspw. Pflege- oder Zahncreme, wobei in einem die Masse bevorratenden Behältnis ein Nachlaufkolben vorgesehen ist und die Masse portioniert durch Pumpbewegung des Kopfstückes ausgegeben wird. In diesem Zusammenhang wird bspw. auf die
Zum Stand der Technik ist weiter auf die
Ausgehend von dem genannten Stand der Technik beschäftigt sich die Erfindung mit der Aufgabenstellung, einen Spender für pastöse Massen anzugeben, der bei vorteilhafter Funktion des Rückstellfedergliedes in günstiger Weise herstellbar ist.Based on the cited prior art, the invention is concerned with the task of specifying a dispenser for pasty masses, which can be produced in a favorable manner with an advantageous function of the return spring member.
Diese Aufgabe ist beim Gegenstand des Anspruches 1 gelöst, wobei darauf abgestellt ist, dass der Mittelabschnitt des federnden Rückstellfedergliedes in die Portionierungskammer des Kopfstückes einklappt, wobei das Rückstellfederglied aus einer geschweiften S-Form in die Form zweier gegensinnig stehender U-Abschnitte übergeht und die beiden Endabschnitte an dem Kopfstück und an einem oberen Rohrstück des Massengehäuses eingeklemmt sind. Zufolge der vorgeschlagenen Ausgestaltung wirkt das im Zuge einer bevorzugten Abwärtsbewegung des Kopfstückes einknickende Rückstellfederglied günstig auf die in der Portionierungskammer zur Ausgabe vorportionierte Masse ein. Durch das Einklappen zumindest des Mittelabschnittes des federnden Rückstellfedergliedes in die Portionierungskammer wird bevorzugt die Ausgabe der Masse aus der Portionierungskammer durch das Mundstück unterstützt. Hierbei geht bevorzugt mit Bezug auf einen Vertikalschnitt durch das Rückstellfederglied die Wandung des Rückstellfedergliedes aus einer in der unbelasteten Kopfstückstellung geschweiften S-Form bei bevorzugt vollständig belasteter Kopfstückstellung, d.h. bevorzugt vollständig abgesenkter Kopfstückstellung in eine doppelte, gegensinnig gerichtete U-Form über, wobei weiter bevorzugt zumindest der Mittelabschnitt, darüber hinaus bevorzugt zumindest auch ein sich hierbei einstellender U-Abschnitt in die Portionierungskammer, auf die Masse einwirkend, eintaucht. Hierbei ist insbesondere bei weiter bevorzugter rotatorischer Ausgestaltung des Rückstellfedergliedes mit Bezug auf einen Vertikalschnitt durch das Rückstellfederglied ein radial äußerer Endabschnitt desselben an dem Kopfstück und ein radial innerer Endabschnitt an einem oberen Rohrstück des Massengehäuses festgelegt, insbesondere zufolge Klemmung. Die Klemmung ist entsprechend bevorzugt erreicht im Bereich der in einem Vertikalschnitt in der belasteten Stellung von einander abweisenden U-Schenkeln der entgegengesetzt gerichteten U-Abschnitte. Das stülpbalgartige Rückstellfederglied weist hierbei bevorzugt mit Bezug auf einen Vertikalschnitt durch das Rückstellfederglied in einer entspannten Sololage, d.h. in nicht in den Spender eingebauter Stellung, eine geschweifte S-Wandungsform auf. In alternativer Ausgestaltung ist die geschweifte S-Form der Rückstellfederglied-Wandung im Einbauzustand erreicht, weiter bevorzugt zufolge entsprechender Einspannung zwischen dem Kopfstück und dem Massengehäuse, so dass auch in einer unbelasteten Grundstellung des Kopfstückes zumindest noch eine geringe Rückstellkraft des Rückstellfedergliedes auf das Kopfstück einwirkt.This object is achieved in the subject matter of
Es ist bevorzugt, dass der äußere Endabschnitt des aus der S-Form einklappenden Rückstellfederglieds sich in einer Verschlusszunge für eine Auslassöffnung zwischen kopfstückseitiger Portionierungskammer und Auslass-Mundstück fortsetzt, zur Bildung eines Auslassventils. Die Verschlusszunge stellt entsprechend bevorzugt eine zumindest vor Einsatz des Rückstellfedergliedes in den Spender betrachtete partielle vertikale Verlänge-rung des bevorzugt radial äußeren Endabschnittes der geschweiften S-Wandung dar. Bevorzugt ist diesbezüglich weiter die Verschlusszunge gegenüber zumindest dem äußeren Endabschnitt des Rückstellfedergliedes materialverjüngt, um so eine günstige Biegbarkeit der Verschlusszunge in eine Freigabestellung bei Betätigung des Spenders anzubieten.It is preferable that the outer end portion of the return spring member folded from the S-shape continues in an occlusion port for a discharge port between the tip-side portioning chamber and the discharge mouth to form an exhaust valve. Accordingly, the closure tongue preferably represents a partial vertical extension viewed at least before the return spring element is inserted into the dispenser Preferably, in this respect, the closure tongue is further material-tapered relative to at least the outer end portion of the return spring member so as to offer a favorable bendability of the closure tongue in a release position upon actuation of the dispenser.
Das Auslassventil wirkt, bevorzugt mit der Verschlusszunge in den Mundstückkanal einragend, mit einer Austrittsöffnung der Portionierungskammer zusammen, wobei weiter bevorzugt die Verschlusszunge in der Verschlussstellung flächig auf einer die Ausgabeöffnung umgebenden Kopfstückfläche anliegt. Bevorzugt wird diesbezüglich, dass das Auslassventil bzw. die Verschlusszunge in Richtung der Auslassöffnung zwischen Portionierungskammer und Auslass-Mundstück federnd belastet ist. Die Federbelastung resultiert in bevorzugter Ausgestaltung aus dem gewählten Material des Auslassventils. Hierzu ist bevorzugt in Einbaustellung des Rückstellfedergliedes und somit auch des Auslassventils bzw. der Verschlusszunge die die Ausgabeöffnung der Portionierungskammer umgebende Anlagefläche geneigt, bevorzugt geneigt um einen Winkel von 5 bis 7 Grad zu einer Vertikalen, so dass die Verschlusszunge auch in der Verschlussstellung aus der ursprünglichen Vertikalausrichtung heraus nach radial außen um einen Schwenk-Überknickbereich im Wurzelbereich der Verschlusszunge an den äußeren Endabschnitt des Rückstellfedergliedes geneigt ist. Hieraus resultiert die Vorspannung der Verschlusszunge in Richtung auf die Anlagefläche der Ausgabeöffnung der Portionierungskammer. Zufolge Druckerhöhung infolge einer Abwärtsverlagerung des Kopfstückes und der dabei aus der Portionierungskammer austretenden Masse wird die Verschlusszunge unter Abheben von der Anlagefläche und entsprechender Freigabe der Auslassöffnung weiter in Richtung auf den Mundstück-Kanal geschwenkt, hierbei bevorzugt bogenartig verlagert, so dass die Verschlusszunge im Zuge der Masseausgabe im Massestrom gebogen hängt.The outlet valve acts, preferably protruding with the closure tongue into the mouthpiece channel, together with an outlet opening of the portioning chamber, with the closure tongue in the closure position more preferably lying flat on a headpiece surface surrounding the dispensing opening. It is preferred in this regard that the outlet valve or the closing tongue is resiliently loaded in the direction of the outlet opening between the portioning chamber and the outlet mouthpiece. The spring load results in a preferred embodiment of the selected material of the exhaust valve. For this purpose, preferably in the installed position of the return spring member and thus the exhaust valve or the closing tongue surrounding the discharge opening of the Portionierungslager contact surface, preferably inclined by an angle of 5 to 7 degrees to a vertical, so that the locking tongue in the closed position of the original Vertical orientation is inclined radially outward about a pivot overcone region in the root region of the closure tongue to the outer end portion of the return spring member. This results in the bias of the closure tongue in the direction of the contact surface of the discharge opening of the portioning chamber. As a result of an increase in pressure as a result of a downward displacement of the head piece and the mass emerging from the portioning chamber, the closing tongue is pivoted further in the direction of the mouthpiece channel, lifting away from the contact surface and correspondingly releasing the outlet opening. in this case preferably displaced arcuately, so that the closure tongue hangs bent in the mass flow in the course of the mass output.
Gemäß einer bevorzugten Ausgestaltung ist vorgesehen, dass ein wechselseitig mit dem Auslassventil arbeitendes Einlassventil vorgesehen ist, das bei einem Saughub des Kopfstückes die Portionierungskammer zur Befüllung öffnet und dass das Einlassventil einstückig mit dem Rückstellfederglied ausgebildet ist. Ein solches Einlassventil ist bevorzugt gefertigt aus einem gummiartigen, rückstellfähigen Kunststoff. Diesbezüglich bietet sich weiter bevorzugt an, dass das Rückstellfederglied aus einem gummiartigen, rückstellfähigen Kunststoff besteht, womit sich weiter bevorzugt eine einstückige Ausbildung des Auslassventils mit dem Federelement anbietet, weiter bevorzugt zugleich eine einstückige Ausgestaltung des Einlassventils mit dem Rückstellfederglied. Diese bevorzugt einstückige Ausgestaltung des Rückstellfedergliedes bevorzugt sowohl mit dem Auslassventil als auch mit dem Einlassventil erweist sich insbesondere als herstellungstechnisch günstig, darüber hinaus auch günstig hinsichtlich der Montage des Spenders. Das Rückstellfederglied besteht bevorzugt aus einem rückstellfähigen Elastomer, weiter insbesondere aus einem Silikonwerkstoff. Dieser Werkstoff bietet eine genügende Rückstellfähigkeit zur federnden Rückverlagerung des Kopfstückes in die Ausgangsposition. Das Rückstellfederglied ist hierbei bevorzugt als Kunststoff-Spritzteil gefertigt. Bei Ausbildung des Rückstellfedergliedes aus einem solchen Kunststoff, insbesondere aus Silikon, erweist sich die Ausgestaltung des Rückstellfedergliedes, bei welcher bevorzugt lediglich ein Mittelabschnitt freigespannt zwischen den eingeklemmten Endabschnitten sich erstreckt, dahingehend von Vorteil, dass sich hierdurch eine möglichst kleine Diffusionsfläche ergibt, dies weiter insbesondere dann, wenn das Rückstellfederglied, wie weiter bevorzugt, zumindest abschnittweise eine Begrenzung der Portionierungskammer darstellt. Entsprechend ist bei einer solchen Ausgestaltung zumindest nach einem Erstgebrauch des Spenders die der Portionierungskammer zugewandte Fläche des Rückstellfedergliedes mit Masse bedeckt. Das bevorzugt verwendete Material des Rückstellfedergliedes ist diffusionsfähig. Durch die vorbeschriebene Ausgestaltung des Rückstellfedergliedes ist allein -und dies weiter bevorzugt in jeder Vertikalstellung des Kopfstückes- der sich zwischen den eingeklemmten Endabschnitten frei erstreckende Mittelabschnitt frei und entsprechend nicht materialüberdeckt. Die Diffusionsfläche beschränkt sich entsprechend allein auf diesen Mittelabschnitt. Bevorzugt sind weiter die darüber hinaus vorgesehenen Abschnitte des Rückstellfedergliedes insbesondere in Diffusionsrichtung betrachtet mit Material des Massengehäuses, des Kopfstückes und/oder des Rohrstückes hinterlegt, so dass hier eine Diffusionssperre vorliegt oder zumindest nach einer Erstbenutzung des Spenders beidseitig durch Masse bedeckt.According to a preferred embodiment, it is provided that an inlet valve working alternately with the outlet valve is provided, which opens the portioning chamber for filling during a suction stroke of the head piece and that the inlet valve is formed integrally with the return spring member. Such an inlet valve is preferably made of a rubber-like, resilient plastic. In this regard, it is further preferred that the return spring member consists of a rubber-like, resilient plastic, which further preferably offers a one-piece design of the exhaust valve with the spring element, more preferably at the same time a one-piece design of the inlet valve with the return spring member. This preferred one-piece embodiment of the return spring member preferably both with the exhaust valve and with the inlet valve proves to be particularly favorable as a manufacturing technology, in addition also favorable with respect to the assembly of the dispenser. The return spring member is preferably made of a resilient elastomer, more particularly of a silicone material. This material provides a sufficient resilience to the resilient return displacement of the head piece in the starting position. The return spring member is here preferably made as a plastic injection molded part. When forming the return spring member made of such a plastic, in particular made of silicone, the design of the return spring member, in which preferably only a central portion free-spanned between the clamped end portions extends, to the effect of advantage that this results in the smallest possible diffusion area, this in particular when the return spring member, as further preferred, at least in sections, constitutes a boundary of the portioning chamber. Accordingly, in such a Embodiment at least after a first use of the dispenser, the area of the return spring member facing the portioning chamber covered with mass. The preferably used material of the return spring member is diffusive. By the above-described embodiment of the return spring member alone and this is more preferably in each vertical position of the Kopfstückes- between the clamped end portions freely extending central portion freely and accordingly not material covered. The diffusion area is restricted accordingly only to this middle section. Furthermore, the sections of the restoring spring member provided in addition, in particular in the diffusion direction, are preferably deposited with material of the mass housing, the head piece and / or the pipe piece, so that a diffusion barrier is present here or at least covered by a first use of the dispenser by mass on both sides.
Nachstehend ist die Erfindung anhand der beigefügten Zeichnung erläutert, die aber lediglich ein Ausführungsbeispiel darstellt. Auf der Zeichnung zeigt:
- Fig. 1
- in einer Seitenansicht den Spender mit einer Verschlusskappe;
- Fig. 2
- den Vertikalschnitt durch den Spender, denselben vor einer Erstbenutzung betreffend;
- Fig. 3
- eine der
Fig. 2 entsprechende Darstellung jedoch nach Abnahme der Verschlusskappe sowie eines einen Mundstück-Kanal des Spenders vor einer Erstbenutzung verschließenden Stopfens, eine Zwischenstellung im Zuge einer Verlagerung eines Kopfstückes zur Betätigung des Spenders betreffend; - Fig. 4
- eine der
Fig. 3 entsprechende Darstellung, eine Zwischenstellung im Zuge der Rückverlagerung des Kopfstückes in die Ursprungsstellung betreffend; - Fig. 5
- eine Folgedarstellung zu
Fig. 4 , die rückverlagerte Endstellung des Kopfstückes betreffend, bei Erstbefüllung einer Portionierungskammer; - Fig. 6
- eine der
Fig. 3 entsprechende Darstellung, jedoch zufolge einer Befüllung der Portionierungskammer hierbei erreichten portionierten Ausgabe der Masse; - Fig. 7
- eine Folgedarstellung zu
Fig. 6 , die rückverlagerte Endstellung des Kopfstückes nach Wiederbefüllung der Portionierungskammer betreffend; - Fig. 8
- eine der
Fig. 7 entsprechende Darstellung, eine Situation nach Entleerung des die Masse bevorratenden Massengehäuses betreffend; - Fig. 9
- in perspektivischer Einzeldarstellung ein Rückstellfederglied des Spenders mit einstückig mit diesem ausgebildeten Einlass- und Auslassventilen;
- Fig. 10
- das Rückstellfederglied in Draufsicht.
- Fig. 1
- in a side view of the dispenser with a cap;
- Fig. 2
- the vertical section through the dispenser, the same before a first use regarding;
- Fig. 3
- one of the
Fig. 2 corresponding representation, however, after removal of the cap and a mouthpiece channel of the dispenser before first use occluding plug, an intermediate position in the course of a displacement of a head piece for actuating the dispenser regarding; - Fig. 4
- one of the
Fig. 3 corresponding representation, an intermediate position in the course of the backward displacement of the head piece in the original position regarding; - Fig. 5
- a follow-up presentation to
Fig. 4 relating to the rearward displaced end position of the head piece, upon initial filling of a portioning chamber; - Fig. 6
- one of the
Fig. 3 corresponding representation, however, according to a filling of the Portionierungskammer achieved here portioned output of the mass; - Fig. 7
- a follow-up presentation to
Fig. 6 , the rearward displaced end position of the head piece after refilling the portioning chamber concerning; - Fig. 8
- one of the
Fig. 7 corresponding illustration, a situation after emptying of the mass-stocking mass housing concerning; - Fig. 9
- in a perspective individual view, a return spring member of the dispenser with integrally formed with this inlet and outlet valves;
- Fig. 10
- the return spring member in plan view.
Dargestellt und beschrieben ist zunächst mit Bezug zu
In bevorzugter, wie auch dargestellter Ausgestaltung ist der Spender 1 rotationssymmetrisch mit einer zentralen Achse x ausgestaltet.In a preferred, as also shown embodiment of the
In der unbenutzten Stellung des Spenders 1 ist das Kopfstück 3 bevorzugt, wie auch in den
Das Massengehäuse 2 weist einen Gehäuseboden 5 auf. Die in den Darstellungen nach vertikal oben weisende Öffnung des Massengehäuses 2 ist überdeckt durch ein Einsatzteil 6, welches im üblichen Betriebszustand des Spenders 1 unlösbar, zumindest nicht werkzeuglos lösbar mit dem Massengehäuse 2 verbunden ist, so insbesondere rastverbunden.The
In dem Massengehäuse 2 ist weiter bevorzugt ein Nachlaufkolben 7 vorgesehen. Zwischen diesem und dem das Massengehäuse 2 oberseitig überfangenden Einsatzteil 6 ist die Masse M bevorratet.In the
Das Einsatzteil 6 formt zentral, ausgehend von einem Konusbereich 8, ein über die Öffnungsebene des Massengehäuses 2 hinausragendes Rohrstück 9. Dieses weist in bevorzugter Ausgestaltung einen Innendurchmesser auf, der einem Drittel bis einem Fünftel, weiter bevorzugt einem Viertel des Innendurchmessers des Massengehäuses 2 entspricht. Die Rohrstück-Decke 10 besitzt zentral eine Einlassöffnung 11.The
Mit Bezug auf einen Vertikalquerschnitt durch den Spender 1 ist die Kontur des Nachlaufkolbens 7 im Wesentlichen angepasst an die des Einsatzteiles 6, so dass entsprechend auch der Nachlaufkolben 7, ausgehend von einem Konusbereich 12, zentral einen bezüglich des Außendurchmessers an den Innendurchmesser des Rohrstückes 9 angepassten Rohrabschnitt 13 ausformt.With reference to a vertical cross-section through the
Das Einsatzteil 6 ist zudem bevorzugt ausgelegt zur Rastfestlegung der Verschlusskappe 4, wozu das Einsatzteil 6 einen über die Öffnungsebene des Massengehäuses 2 hinausragenden, umlaufenden Vertikalkragen 14 aufweist, der in der Kappenverschlussstellung mit einem umlaufenden unteren Randbereich der Verschlusskappe 4 zusammenwirkt (vgl.
Der Vertikalkragen 14 dient darüber hinaus auch der Führung des Kopfstückes 3 in Vertikalrichtung. Hierzu wirkt der Vertikalkragen 14 mit einer Wandungsaußenseite eines mit Bezug zu den Darstellungen vertikal ausgerichteten Ringwandungsabschnittes 15 des Kopfstückes 3 zusammen. Dieser radial äußeren Führung ist weiter eine radial innere Führung zugeordnet. Hier wirkt eine kopfstückseitige Ringwand 16 mit einem sich zwischen Rohrstück 9 und Vertikalkragen 14 erstreckenden Ringkragen 17 des Einsatzteiles 6 zusammen.The
Zufolge der vorbeschriebenen Führung ist das Kopfstück 3 relativ zu dem Einsatzteil 6 und somit relativ zu dem Massengehäuse 2 in Vertikalrichtung verlagerbar, dies unter entsprechender Führung, wobei die Vertikalverlagerung sowohl nach vertikal unten als auch nach vertikal oben jeweils anschlagbegrenzt ist.According to the above-described guide, the
Das Kopfstück 3 weist eine Portionierungskammer 18 auf. Diese ist zumindest in der unbelasteten Stellung des Kopfstückes 3 im Wesentlichen oberhalb des einsatzteil- bzw. massengehäuseseitigen Rohrstückes 9 angeordnet. Umlaufend, mit Bezug zur Achse x, ist die Portionierungskammer 18 im Wesentlichen durch die Ringwand 16 begrenzt, welche Ringwand 16 im Bereich der Portionierungskammer 18 eine Verdickung aufweist. Eine oberseitige Begrenzung der Portionierungskammer 18 ist durch eine Kopfstückdecke 19 gegeben, welche zugleich eine Bedienfläche zur bevorzugten fingerbeaufschlagten Druckbelastung des Kopfstückes 3 zur Ausgabe der Masse M anbietet.The
Die Portionierungskammer 18 öffnet im Wesentlichen zumindest tendenziell nach radial außen in einen Mundstück-Kanal 20. Hierzu ist in dem dem Mundstück-Kanal 20 zugeordneten Bereich der Ringwand 16 bzw. dessen kopfstückdeckenseitigen Verdickung eine Auslassöffnung 21 ausgebildet, welche gegenüber dem Innendurchmesser des Mundstück-Kanals 20 durchmesserverringert ist.The portioning
Eine zentrale Achse des Mundstück-Kanals 20 verläuft weiter bevorzugt in paralleler Ausrichtung zu einer Betätigungsebene der Kopfstückdecke 19, weiter bevorzugt, wie auch dargestellt, einen spitzen Winkel zu einer, bezogen auf die Achse x, betrachteten Querebene von 10 bis 15° einschließend.A central axis of the
Die dem Mundstück-Kanal 20 zugewandte, die Auslassöffnung 21 umgebende Anlagefläche 22 verläuft mit Bezug auf einen Vertikalquerschnitt in einem spitzen Winkel von 5 bis 7° zu einer parallel zur Achse x verlaufenden Vertikalebene.The
Der Mundstück-Kanal 20 ist weiter bevorzugt vor einer Erstbenutzung des Spenders 1, insbesondere zur Originalitätssicherung mittels eines durch die Ausgabeöffnung 23 einragenden Stopfens 24 verschlossen.The
Bevorzugt sind alle vorbeschriebenen Bauteile des Spenders 1 Formteile aus einem Kunststoff-Werkstoff, insbesondere Hart-Kunststoffwerkstoff, welche Teile weiter bevorzugt im Spritzgussverfahren hergestellt sind.Preferably, all the above-described components of the
Zur bevorzugt selbsttätigen Rückverlagerung des Kopfstückes in die Ausgangslange nach einer zur Massenausgabe erforderlichen Vertikalabwärtsverlagerung desselben ist ein federndes Rückstellfederglied 25 vorgesehen. Dieses dient zugleich als Dichtelement zur Abdichtung insbesondere der Portionierungskammer 18, bildet hierbei den der Kopfstückdecke 19 gegenüberliegenden Kammerboden aus. Das Rückstellfederglied 25 ist hierzu aus einem gummiartigen, rückstellfähigen Kunststoff gefertigt, weiter bevorzugt aus einem Silikonwerkstoff.For preferably automatic return displacement of the head piece in the output length after a required for mass output Vertikalabwärtsverlagerung same is a resilient
Das in den
Das Rückstellfederglied 25 ist im Bereich der Rohrstückdecke 10 gehaltert, wozu der Endabschnitt 30 in einen umlaufenden Ringschlitz 31 des Rohrstückes 9 klemmend eintaucht. Der nach vertikal oben weisende umlaufende Endabschnitt 28 des Rückstellfedergliedes 25 ist klemmend gefasst in einer umlaufenden Ringnut 32 im Verdickungsbereich der kopfstückseitigen Ringwand 16.The
In einer betrieblich unbelasteten Grundstellung des Rückstellfederglieds 25, bspw. gemäß der Darstellung in
Im Zuge der druckbeaufschlagungsbedingten Abwärtsverlagerung des Kopfstückes 3 stülpt der Mittelabschnitt 29 unter Ausbildung des U-Abschnittes 33 in den Bereich der Portionierungskammer 18 ein, dies bevorzugt unter entsprechender Unterstützung der Masseausgabe aus der Portionierungskammer 18. Der entgegengerichtete U-Abschnitt 33 stülpt in den freien Ringraum zwischen der Wandung des Rohrstückes 9 und der kopfstückseitigen Ringwand 16 ein.In the course of the pressurization-dependent downward displacement of the
In vorteilhafter Ausgestaltung ist das Rückstellfederglied 25 einstückig und materialeinheitlich sowohl mit einem Auslassventil 34 als auch mit einem Einlassventil 35 ausgebildet. Bezüglich des Einlassventils 35 handelt es sich um ein im Wesentlichen im Bereich der Decke 27 des Festlegungsabschnittes 26 tellerförmig gestaltetes Ventil mit einem zentral angeordneten, von Stegen 36 beweglich getragenen Kegel-Verschlusskörper 37. Letzterer verschließt in einer Grundstellung des Spenders 1 dichtend die Einlassöffnung 11 des massengehäuseseitigen Rohrstückes 9 ab, wobei sich die den Kegel-Verschlusskörper 37 tragenden Stege 36 im Wesentlichen, zumindest partiell auf der Oberseite der Rohrstückdecke 10 abstützen.In an advantageous embodiment, the restoring
Wechselseitig mit dem Einlassventil 35 arbeitet das Auslassventil 34. Dieses ist als schwenkbare Verschlusszunge 38 ausgebildet, welche von dem durch den vertikal oberen Endabschnitt 30 gebildeten umlaufenden Rand mit Bezug auf einen Vertikalschnitt in Verlängerung des Endabschnitts 30 übersteht. Diese Verschlusszunge 38 ist gegenüber dem diesen tragenden Endabschnitt 30 materialverjüngt, weist bevorzugt eine Materialstärke auf, die dem 0,5 bis 0,8-Fachen der Materialstärke des Endabschnitts 30 entspricht.The
Die Verschlusszunge 38 taucht durch einen im Anbindungsbereich des Endabschnitts 30 im Verdickungsabschnitt der Ringwand 16 ausgebildeten Schlitz in den Mundstück-Kanal 20 ein, zur Anlage der der Auslassöffnung 21 zugewandten Dichtfläche an der die Auslassöffnung 21 umgebenden Anlagefläche 22. Zufolge der spitzwinkligen Anstellung der Anlagefläche 22 ist entsprechend die Verschlusszunge 28 gegenüber der unbelasteten Ausrichtung der Verschlusszunge 38 im nicht eingebauten Zustand federnd belastet in Richtung auf die Verschlussstellung der Auslassöffnung 21 an.The
In den
Hiernach steht der Spender 1 zur ersten portionierten Ausgabe von Masse M bereit.Thereafter, the
Eine solche portionierte Masseausgabe ist in
Hierbei wird bevorzugt ein Spendevolumen von Masse M von 0,8 bis 1,5 ml erreicht.In this case, a dispensing volume of mass M of 0.8 to 1.5 ml is preferably achieved.
Die vertikal unterste Stellung des Kopfstückes 3 ist, wie beschrieben, anschlagbegrenzt. Die während der Abwärtsverlagerung des Kopfsstückes 3 aufgebaute Federkraft des Rückstellfedergliedes 25 wird genutzt zur selbsttätigen Rückverlagerung des Kopfstückes 3 in die in
- 11
- Spenderdonor
- 22
- Massengehäusemass housing
- 33
- Kopfstückheadpiece
- 44
- Verschlusskappecap
- 55
- Gehäusebodencaseback
- 66
- Einsatzteilinsert
- 77
- Nachlaufkolbenfollower piston
- 88th
- Konusbereichcone region
- 99
- Rohrstückpipe section
- 1010
- Rohrstück-DeckeTPFs ceiling
- 1111
- Einlassöffnunginlet port
- 1212
- Konusbereichcone region
- 1313
- Rohrabschnittpipe section
- 1414
- Vertikalkragenvertical collar
- 1515
- RingwandungsabschnittRingwandungsabschnitt
- 1616
- Ringwandring wall
- 1717
- Ringkragengorget
- 1818
- Portionierungskammerportioning
- 1919
- KopfstückdeckeHeadpiece ceiling
- 2020
- Mundstück-KanalMouthpiece channel
- 2121
- Auslassöffnungoutlet
- 2222
- Anlageflächecontact surface
- 2323
- Ausgabeöffnungdischarge opening
- 2424
- StopfenPlug
- 2525
- RückstellfedergliedRestoring spring member
- 2626
- Festlegungsabschnittsetting section
- 2727
- Deckeblanket
- 2828
- Endabschnittend
- 2929
- Mittelabschnittmidsection
- 3030
- Endabschnittend
- 3131
- Ringschlitzring slot
- 3232
- Ringnutring groove
- 3333
- U-AbschnittU-section
- 33'33 '
- U-AbschnittU-section
- 3434
- Auslassventiloutlet valve
- 3535
- Einlassventilintake valve
- 3636
- Stegweb
- 3737
- Kegel-VerschlusskörperCone closure body
- 3838
- Verschlusszungelocking tongue
- xx
- Achseaxis
- MM
- MasseDimensions
- PP
- Druckprint
Claims (5)
- A dispenser (1) for pasty substances (11), consisting of a tubular substance housing (2) having a follower plunger (7) and a hand-actuatable headpiece (3) which is equipped with a mouthpiece and is linearly guided for dispensing the substance and can be depressed in the direction of the follower plunger (7) while tensioning a return spring element (25) that structures itself by buckling, characterized in that the middle portion (29) of the resilient return spring element (25) folds up into the portioning chamber (18) of the headpiece (3), the return spring element (25) transitioning from a curved S-shape into the shape of two oppositely oriented U-portions (33, 33'), and the two end portions (28, 30) being clamped at the headpiece (3) and at an upper tube part (9) of the substance housing (2).
- The dispenser according to claim 1, characterized in that the outer end portion (28) of the return spring element (25) that folds up from the S-shape extends further so as to form a cover tongue (38) for an outlet opening (21) between the portioning chamber (18) at the headpiece and the outlet mouthpiece, for forming an outlet valve (34).
- The dispenser according to claim 2, characterized in that the cover tongue (38) is resiliently loaded in the direction of the outlet opening (21) between the portioning chamber (18) and the outlet mouthpiece.
- The dispenser according to one of the claims 2 or 3, characterized in that an inlet valve (35) is provided that operates alternately with the outlet valve (34) and opens during a suction stroke of the headpiece (3) so as to fill the portioning chamber (18), and that the inlet valve (35) is formed as one piece with the return spring element (25).
- The dispenser according to one of the preceding claims, characterized in that the return spring element (25) consists of a rubber-like, elastically returnable plastics.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12773285T PL2763796T3 (en) | 2011-10-05 | 2012-10-04 | Dispenser for paste-like materials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202011051538U DE202011051538U1 (en) | 2011-10-05 | 2011-10-05 | Dispensers for pasty masses |
PCT/EP2012/069638 WO2013050483A1 (en) | 2011-10-05 | 2012-10-04 | Dispenser for paste-like materials |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2763796A1 EP2763796A1 (en) | 2014-08-13 |
EP2763796B1 true EP2763796B1 (en) | 2015-11-25 |
Family
ID=47040694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12773285.7A Active EP2763796B1 (en) | 2011-10-05 | 2012-10-04 | Dispenser for paste-like materials |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140239017A1 (en) |
EP (1) | EP2763796B1 (en) |
DE (1) | DE202011051538U1 (en) |
ES (1) | ES2555608T3 (en) |
PL (1) | PL2763796T3 (en) |
WO (1) | WO2013050483A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3427840A1 (en) | 2017-07-13 | 2019-01-16 | Aptar Radolfzell GmbH | Liquid dispenser |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101378369B1 (en) * | 2011-06-14 | 2014-03-27 | (주)연우 | Pumping type cosmetic vessel |
DE102011052954A1 (en) * | 2011-08-24 | 2013-02-28 | Alfred Von Schuckmann | Dispensers for pasty masses |
KR200471808Y1 (en) * | 2013-01-11 | 2014-03-13 | (주)아모레퍼시픽 | Cosmetic container with push button having flexible upright type nozzle |
KR101446034B1 (en) * | 2013-11-13 | 2014-10-01 | 강성일 | Contents exhaust pump |
DE102016106017A1 (en) * | 2015-10-07 | 2017-04-13 | Rpc Bramlage Gmbh | Dispensers for in particular liquid to pasty masses |
FR3068265B1 (en) * | 2017-06-28 | 2022-02-25 | Gb Dev | FLUID DISPENSER BY PRESSURE ON A DEFORMABLE WALL OF THE CONTAINER |
FR3090415A1 (en) * | 2018-12-24 | 2020-06-26 | Albea Services | Pump for cosmetic bottle, waterproof in low pressure conditions |
FR3090416A1 (en) * | 2018-12-24 | 2020-06-26 | Albea Services | Cosmetic product bottle pump with air purge means |
WO2020208073A1 (en) * | 2019-04-09 | 2020-10-15 | Rpc Bramlage Gmbh | Dispenser for compounds in paste form |
DE102022209369A1 (en) | 2022-09-08 | 2024-03-14 | Jörg Marschalkowski | Dosing attachment, spray container with a dosing attachment and dosing method |
Citations (14)
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DE3814739A1 (en) | 1988-04-30 | 1989-11-09 | Schuckmann Alfred Von | Dispenser |
EP0394750A2 (en) | 1989-04-24 | 1990-10-31 | MegaPlast Dosiersysteme GmbH & Co. | Dosing pump for bottles or similar |
DE9302196U1 (en) | 1993-02-16 | 1994-06-16 | Schuckmann Alfred Von | Dispenser for the simultaneous dispensing of at least two pasty masses |
US5544789A (en) | 1995-01-05 | 1996-08-13 | Calmar Inc. | Bellows pump dispenser |
DE20011292U1 (en) | 2000-07-03 | 2000-09-21 | Rpc Bramlage Gmbh | Dispensing pump |
WO2006031110A1 (en) | 2004-09-16 | 2006-03-23 | Keltub B.V. | System of bellows and co-acting part |
FR2877325A1 (en) | 2004-11-03 | 2006-05-05 | Airlessystems Soc Par Actions | Viscous fluid product e.g. lotion, dispensing unit e.g. pump, for e.g. cosmetic field, has elastically deformable part formed by monoblock part forming rigid part displaced axially in to and fro manner by deforming deformable part |
WO2008026919A1 (en) | 2006-08-31 | 2008-03-06 | Veeger Robert | Dispensing device for dispensing a liquid substance |
US20080110934A1 (en) | 2004-11-03 | 2008-05-15 | Airlessystems | Flexible Part Forming An Output Valve And A Return Spring For A Dispensing Device |
DE102008029004A1 (en) | 2007-06-29 | 2009-01-02 | Rpc Bramlage Gmbh | Dispenser for dispensing liquid or pasty masses |
US20100206910A1 (en) | 2007-10-12 | 2010-08-19 | Emsar S.P.A. | Dispenser of fluid products |
US7793803B2 (en) | 2002-07-03 | 2010-09-14 | Meadwestvaco Calmar Netherlands B.V. | Bellows pump system and method for the use thereof |
WO2010106256A1 (en) | 2009-03-18 | 2010-09-23 | Promens Sa | Device for dispensing a liquid-to-pasty product using a metering pump having a low dead volume |
US20110084099A1 (en) | 2008-05-16 | 2011-04-14 | Emsar S.P.A | Dispenser of fluid products |
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US4336895A (en) | 1977-07-28 | 1982-06-29 | Aleff Hans P | Finger actuated pump assembly |
IT210199Z2 (en) | 1987-04-10 | 1988-12-06 | Guala Angelo Spa | DISPENSER OF PASTOUS PRODUCTS IN GENERAL AND OF PASTA TOOTHPASTE IN PARTICULAR, WITH LEVER-OPERATED PUMPING MEMBRANE. |
FR2627460B1 (en) | 1988-02-19 | 1990-06-29 | Cebal | DISPENSER FOR PASTY PRODUCT COMPRISING A SIDE DISPENSING AXIAL PUSH-BUTTON AND A MASKING ELEMENT OF ITS OUTPUT PORT |
FR2804728B1 (en) * | 2000-02-09 | 2002-05-03 | Oreal | PUMP, AND PACKAGING ASSEMBLY PROVIDED WITH SUCH A PUMP |
-
2011
- 2011-10-05 DE DE202011051538U patent/DE202011051538U1/en not_active Expired - Lifetime
-
2012
- 2012-10-04 EP EP12773285.7A patent/EP2763796B1/en active Active
- 2012-10-04 WO PCT/EP2012/069638 patent/WO2013050483A1/en active Application Filing
- 2012-10-04 US US14/347,031 patent/US20140239017A1/en not_active Abandoned
- 2012-10-04 PL PL12773285T patent/PL2763796T3/en unknown
- 2012-10-04 ES ES12773285.7T patent/ES2555608T3/en active Active
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DE3814739A1 (en) | 1988-04-30 | 1989-11-09 | Schuckmann Alfred Von | Dispenser |
EP0394750A2 (en) | 1989-04-24 | 1990-10-31 | MegaPlast Dosiersysteme GmbH & Co. | Dosing pump for bottles or similar |
DE9302196U1 (en) | 1993-02-16 | 1994-06-16 | Schuckmann Alfred Von | Dispenser for the simultaneous dispensing of at least two pasty masses |
US5544789A (en) | 1995-01-05 | 1996-08-13 | Calmar Inc. | Bellows pump dispenser |
DE20011292U1 (en) | 2000-07-03 | 2000-09-21 | Rpc Bramlage Gmbh | Dispensing pump |
US7793803B2 (en) | 2002-07-03 | 2010-09-14 | Meadwestvaco Calmar Netherlands B.V. | Bellows pump system and method for the use thereof |
WO2006031110A1 (en) | 2004-09-16 | 2006-03-23 | Keltub B.V. | System of bellows and co-acting part |
FR2877325A1 (en) | 2004-11-03 | 2006-05-05 | Airlessystems Soc Par Actions | Viscous fluid product e.g. lotion, dispensing unit e.g. pump, for e.g. cosmetic field, has elastically deformable part formed by monoblock part forming rigid part displaced axially in to and fro manner by deforming deformable part |
US20080110934A1 (en) | 2004-11-03 | 2008-05-15 | Airlessystems | Flexible Part Forming An Output Valve And A Return Spring For A Dispensing Device |
WO2008026919A1 (en) | 2006-08-31 | 2008-03-06 | Veeger Robert | Dispensing device for dispensing a liquid substance |
DE102008029004A1 (en) | 2007-06-29 | 2009-01-02 | Rpc Bramlage Gmbh | Dispenser for dispensing liquid or pasty masses |
US20100206910A1 (en) | 2007-10-12 | 2010-08-19 | Emsar S.P.A. | Dispenser of fluid products |
US20110084099A1 (en) | 2008-05-16 | 2011-04-14 | Emsar S.P.A | Dispenser of fluid products |
WO2010106256A1 (en) | 2009-03-18 | 2010-09-23 | Promens Sa | Device for dispensing a liquid-to-pasty product using a metering pump having a low dead volume |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3427840A1 (en) | 2017-07-13 | 2019-01-16 | Aptar Radolfzell GmbH | Liquid dispenser |
WO2019011622A1 (en) | 2017-07-13 | 2019-01-17 | Aptar Radolfzell Gmbh | Liquid dispenser |
US11179739B2 (en) | 2017-07-13 | 2021-11-23 | Aptar Radolfzell Gmbh | Liquid dispenser |
Also Published As
Publication number | Publication date |
---|---|
US20140239017A1 (en) | 2014-08-28 |
DE202011051538U1 (en) | 2013-01-08 |
PL2763796T3 (en) | 2016-04-29 |
EP2763796A1 (en) | 2014-08-13 |
ES2555608T3 (en) | 2016-01-05 |
WO2013050483A4 (en) | 2013-05-23 |
WO2013050483A1 (en) | 2013-04-11 |
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