EP0901835B1 - Distributeur de produit - Google Patents

Distributeur de produit Download PDF

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Publication number
EP0901835B1
EP0901835B1 EP98116486A EP98116486A EP0901835B1 EP 0901835 B1 EP0901835 B1 EP 0901835B1 EP 98116486 A EP98116486 A EP 98116486A EP 98116486 A EP98116486 A EP 98116486A EP 0901835 B1 EP0901835 B1 EP 0901835B1
Authority
EP
European Patent Office
Prior art keywords
base body
stop
valve
stroke
dispenser according
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.)
Expired - Lifetime
Application number
EP98116486A
Other languages
German (de)
English (en)
Other versions
EP0901835A2 (fr
EP0901835A3 (fr
Inventor
Karl-Heinz Fuchs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar Radolfzell GmbH
Original Assignee
Erich Pfeiffer GmbH
Ing Erich Pfeiffer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Publication of EP0901835A2 publication Critical patent/EP0901835A2/fr
Publication of EP0901835A3 publication Critical patent/EP0901835A3/fr
Application granted granted Critical
Publication of EP0901835B1 publication Critical patent/EP0901835B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/30—Dip tubes
    • 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
    • B05B11/1061—Pump priming means
    • 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
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B05B11/00444—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means with provision for filtering or cleaning the air flow drawn into 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
    • B05B11/1001—Piston pumps
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1005—Piston pumps with means for adjusting or modifying pump stroke
    • B05B11/1007—Piston pumps with means for adjusting or modifying pump stroke by adjusting or modifying the pump end-of-sucking-stroke position
    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
    • 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
    • B05B11/1066—Pump inlet valves
    • B05B11/107—Gate valves; Sliding valves
    • 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
    • B05B11/1097—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 with means for sucking back the liquid or other fluent material in the nozzle after a dispensing stroke

Definitions

  • the invention relates to a dispenser with which flowable or other media, for example, liquid, pasty, powdery or gaseous media, stored, transported or can be discharged at a media outlet from the donor away.
  • the dispenser can be done by the user with a single hand worn free and with this hand at the same time, so one-handed, be actuated with a force which the medium promotes.
  • the dispenser can be used to refill his pressure chamber with the Medium, for example, from a media storage formed and suck in the medium during the return stroke.
  • the donor can but also in the manner of a disposable donor to operate only be determined over a single, rectified pumping stroke.
  • the entire stored volume of media is then from the outset in his pressure chamber. It can then have a single one Lift or over successive Operahübe from the Pressure chamber metered be discharged.
  • a dispenser according to the preamble of claim 1 becomes. With him by turning the spray head its position opposite changed the pump cylinder for volume adjustment. This changes the stroke of the pump, because an inner sleeve of the spray head sooner or later strikes a crimp sleeve for donor attachment.
  • the invention has for its object to a dispenser to create the disadvantages of known training are avoided.
  • a tilt-free storage of its donor units a high density, essentially smooth-surfaced outer surface or high functional reliability to be guaranteed.
  • an improved setting of the Austragsvoluments be achieved.
  • the adjustment of the stroke is expediently done by turning or axial adjustment of a discharge head relative to the associated basic body.
  • the handle can be opposite the first body regardless of the setting the adjusting means always remain in the same rotational position.
  • encapsulated stop and / or Adjustment means for determining or changing a Stroke a mechanical positive control as an actuating means for a flow or pressure equalization valve, too a mounting unit combined terminal members for Connection of the dispenser with a support body and / or engagement members for the sealed engagement of the two donor units outside the pressure chamber.
  • the Discharge volume per stop-limited working stroke or stroke be exactly determined or changed; furthermore, the Dispenser in a simple way to the carrier, for example a bottle, attach and to different bottle shapes to adjust; Furthermore, afterwards to the Media discharge media leftovers from the media outlet back into the Dispenser sucked back behind the valve seat of an exhaust valve or the pressure chamber to be vented; finally can Ingress of foreign bodies, such as dirt, into the dispenser be easily avoided.
  • the flow valve may be separate from the actuating means be provided or connected to them, e.g. by sealed Guiding a movable valve body to one of Actuators.
  • This actuator can be used together with the Valve body as a preassembled unit in the second body or the discharge head can be used.
  • the first Dispenser unit contains a free-standing driver. He becomes on a load-dependent or force-dependent incoming and outgoing Snap coupling connected to the valve body and transfers the valve into the desired valve position, for example, the open position. After that the coupling connection is disconnected depending on the force and the valve body in its other valve position below Spring force returned. In this way, e.g. on the Media outlet and the outlet channel air from the pressure chamber during only a first part of the return stroke of the donor flow out.
  • the dispenser has a fastening body, such as a cap, for his connection with a storage bottle.
  • a fastening body such as a cap
  • At the Inside of this fastening body are available as connecting members before: a free in the memory protruding climb or Intake manifold, a seal, a fastening member for positive locking Intervention in the memory and / or a pressure chamber limiting body.
  • At least two to all of the connecting links form a pre-assembled or one-piece Mounting unit for attachment to the store or the first Body. By replacing this unit, the Dispenser to very different storage forms or flow properties be adapted by the media.
  • a pressure chamber limiter are e.g. a cylinder jacket and a piston provided. Each of them can belong to the mentioned assembly unit. This limiter can also limit other media spaces or the driver or a coupling member of the valve actuator form.
  • peripheral surfaces o The intended as an actuating unit second dispenser unit is useful with peripheral surfaces o.
  • the like. How Sliding surfaces, so sealed on the first storage unit led that lying outside the pressure chamber interiors the donor are sealed to the outside. This happens in Area of several, separate ring zones. you are through shell-shaped projections formed and are radially spaced each other. This results in separate annular spaces. They lie in each other and are against each other in the starting position and / or sealed over the stroke. An extreme Coat can therefore with a window-like breakthrough to Guide a cam o. The like. Be provided. Nevertheless, can Dirt over the next, lying in this outermost coat Lead in not penetrate inside.
  • the illustrated valve actuation is suitable. It holds the exhaust valve over a first part of the return stroke open. So the compressed air can escape easily, without opening the outlet valve against a valve spring must hold.
  • the ventilation of the media reservoir for pressure equalization for the respectively withdrawn amount of media can over another valve can be achieved. It will be with the manual Operation open or closed. For example, can it in the Starting position of the donor closed and in all be open remaining lift positions. The valve passing through Ventilation can then be completely separate from be provided for the media rooms.
  • the dispenser 1 has two linear and axial against each other movable dispenser units 2, 3, each with a one-piece Base body 4, 5 on. He is for attachment to one Carrier or media storage 6 determined. This one then forms a component of the first unit 2 and the first Base 4, with which he also be integrally formed can.
  • the second main body 5 of the second unit 3 comprises a discharge head 7.
  • Completely encapsulated within the bodies 4, 5 is a media pump 8, namely a thrust piston pump, provided. It will be with her Medium from the memory 6 sucked abruptly during the return stroke and then carried out at the working stroke.
  • Fig. 1 shows the Discharge device in the home or rest position.
  • Stop or adjusting means 10 serve to reduce the amount of exactly through the individual working stroke discharged medium to fix and change.
  • the end of the working stroke is stop-limited.
  • the respectively subsequent work stroke can be rectified to the end connect the previous working stroke, if no return stroke or no return spring is provided.
  • the Donor 1 at the end of each working stroke in his as well stop-limited initial position returned become. Only then is he over the next one Work stroke to press.
  • the means 10 are completely in the unit 3 or in the main body 5. Thus, the unit 2 be changed without changing the means 10.
  • vom Base 4 is an inlet channel 11 opposite to the flow direction free in the memory 6 before. He ends with a annular channel section in an annular pressure or Pump chamber 12 of the pump 8.
  • the chamber 12 includes a Axial section with larger passage cross sections and in Flow direction immediately followed by a Axial section 13 with much smaller passage cross-sections as a connection channel. At this in the flow direction then one is extended and then another narrowed axial section provided. He closes in the area a channel closure in the flow direction to an outlet channel 14 on.
  • the channel 14 is only through a nozzle channel an atomizer nozzle formed.
  • the forms with its downstream lying end of the media outlet 15 is in one piece limited and interspersed only one end or end wall of the Head 7.
  • the channel 14 is extremely short. He has a length, at most two or three times larger than its largest Width is.
  • the pump 8 has a cylinder 16 and a piston unit 17 with a piston 18 which can be displaced sealed in the cylinder 16 on.
  • the cylinder 16 is fixed or integral with the Base body 5 is connected and protrudes counter to flow direction free into the body 4 in out.
  • the piston 17 is fixed or integrally connected to the body 4 so that the piston unit 17 in the flow direction as well as in the body. 5 protrudes into it.
  • the unit 17 may be upstream of Piston 18 in the range of only a single face on Body 4 attached and be supported axially.
  • the said channel closure is dependent on a pressure opening and closing outlet valve 19 is formed. Up to its valve seat can reach the pressure chamber 12 without valves.
  • the valve seat is through the inner surface of said End wall of the head 7 is formed and lies at the inner end of the nozzle or Outlet channel 14.
  • the pressure-dependent Actuator means 20 are provided, around the valve 19 at the beginning of the return stroke forcibly or form-fitting to open and during the rest Part of the return stroke by spring force to close again.
  • this valve opening can through the channel 14, 15 air from the rooms 12, 13 flow out into the open while the Piston 18, the chamber 12 still tightly closes.
  • the valve opening serves to suck back of medium from the channel 14, 15 into the dispenser. Thereby Media remains and possibly a small amount of air behind the Closure 19 brought into the chamber 12 and the channel 14, 15th is completely emptied.
  • the body 4 forms a mounting flange or a cap 21 with an end wall 22 and a jacket 23.
  • a riser 24 into the memory. 6 free before. It limits the upstream end part of the Kanales 11 from its inlet opening to the wall 22 in one piece.
  • the conduit 24 may be integrally formed with the body 4 or a separate component 30. Part 30 is in Flow direction in the cap 21 used linearly and supported directly on the end wall 22, over which he in Flow direction does not protrude.
  • On this inside the End wall 22 is also an annular disc-shaped seal 25th at. It is between the end wall 22 and the end face of the Storage neck axially braced and in one piece with the pipe 24th educated.
  • a radially inward protruding attachment member 26 for example a Screw thread, an annular snap cam o.
  • Es engages the mutual tension of the body 4, 6 in a Counterelement on the outer circumference of the storage neck and can with Distance from both ends of the shell 23 are.
  • the member 26 is here formed integrally with the body 4. But it can also be formed integrally with the part 24 or 25; in In this case, the outer circumference of this part 24, 25 is expedient in a direction opposite to the flow direction jacket above. The lies on the inner circumference of the shell 23 and is with this axially fixed by a resilient snap connection connected.
  • the snap cam may project radially inward on the jacket 23 and / or on the outer circumference of not be shown inner shell provided and engages each in a snap recess of the opposite peripheral surface a positive fit.
  • a core or guide body 27 freely protruding one. About its length is the storage neck or the channel 11 annular.
  • the body 27 is conically tapered at an acute angle against the flow direction.
  • the jacket of the tube 24 is in this area in the flow direction extended with the same cone angle. It concludes the farthest end directly to the innermost circumference of the Body 25 on. This results in the flow direction and up to the chamber 12 extended flow cross sections of the channel 11.
  • the parts 24, 25 form the preassembled unit 30. They is to be attached to the body 4 and with a snap connection secure axially.
  • the unit 30 can also, if necessary one-piece, the unit 17 belong. This results in a very simple education.
  • the body 5 also forms a cap 28 for receiving the downstream end of the body 4.
  • the cap 28 has an end wall 29 and of this only opposite flow direction freely protruding on a jacket 31. In him the body 4 engages permanently enclosed.
  • Of the End wall 22 are only three protrusions in the flow direction or coats 32, 33, 34. They have radial distances from each other and coaxial with each other.
  • the sleeve-shaped Coats 32 to 34 are formed integrally with the body 4.
  • the innermost shell is through the cylinder 16 and the outermost Sheath formed by the cap jacket 31. Between These coats 16, 31 of the jacket 35 is provided. All Coats 16, 31, 35 are formed integrally with the body 5. Of the coats 32 to 34 is the middle shell 33rd furthest and the outermost coat 34 least far axially forward. Of the coats 16, 31, 35 stands in opposite Direction of the middle coat 33 farthest and the outermost shell 34 least far axially before.
  • the jacket 34 may have the same outer and inner width as the jacket 23.
  • the upstream end of the head 7 forms an am Inner and outer circumference cylindrical, sleeve-shaped shell 39. He permanently intervenes between the coats 37, 38 and is stuck or in one piece with the one removed End wall of the head 7 is formed.
  • the bodies 4, 5, 7 grip via guide or sealing means 40 movable permanently into each other. So can except through the channel 11 or the Opening 15 no air in the media spaces 12, 13 penetrate. However, the media rooms 11 to 15 are completely bypassing Bypass path created. About him can through the body 4, 5 from the outside atmospheric air in the volume constant Flow to memory 6.
  • a sleeve-shaped seal 41st provided radially biased from an elastomer. She lies on the outer circumference of the jacket 38 and on the smooth inner circumference of the Mantle 39 tight.
  • the cylindrical sleeve 41 has over her entire length constant inside and outside width. She can do one Fritationshemmung form that the head 7 only under Overcoming the inhibiting power to the body 5 to his Axis 9 can be rotated.
  • the head 7 is to be in the axis 9 lying nozzle opening 15 tapered at an acute angle conical and suitable, inserted into a body or nostril or for dispensing a medical treatment medium in the opened eye to be used.
  • the donor is 1 in overhead position with downwardly directed discharge opening 15th used.
  • the means 10 have two independent of the discharge operation parallel to the axis 9 against each other infinitely adjustable interlocking actuators 42, 43 on. They are around the Axle 9 against each other rotatable. That opposite the piston barrel the cylinder 16 only slightly extended actuator 42 is formed by the inner periphery of the shell 38. It is therefore axially fixedly connected to the body 5.
  • the actuator 43 is characterized by a head of the 7 or coat 39 formed separate body. It is axial as well as around the axis 9 tightly connected to the jacket 39, with which it too could be formed in one piece.
  • the actuators 42, 43 engage with slope surfaces, such as fine threads of less than three or one millimeter slope, immediate into each other. Thus, a rotational movement of the head 7 to whose axial displacement relative to the body. 5
  • the unit 2, 4 forms near the downstream end the unit 17 is an annular stroke stop 47.
  • The is on Body 7 and 43 associated with an annular counter-stop 48.
  • By abutment of the shoulder surfaces 47, 48 to each other is the maximum stroke or the stroke length of the working stroke established.
  • the surfaces 47, 48 are in the axis 9 and only within the bodies 5, 43 and permanently downstream the wall 29.
  • the adjusting means 10 are here in a central position shown. From this position is both a Extension as well as a shortening of the stroke possible.
  • the surfaces 47, 48 are in the pressure chamber 12, namely downstream immediately adjacent to the narrow channel 13 in the extended channel section and are with the adjusting means 10 axially adjustable in the starting position to each other.
  • a fine thread could be used instead Steep thread or a step link can be provided.
  • the outer peripheral surface of the sleeve 45 has a smaller width as the adjusting thread and can be sealed, but axially displaceable and rotatable in the inner circumference of the cylinder 16, So in the cylinder surface for the piston 18, engage.
  • the threaded engagement of the adjusting thread can in the manner of a Labyrinth seal to be sealed.
  • the intervention of the holding federation 44 in the jacket 39 is sealed.
  • a projection or a Sleeve 46 In the flow direction is from the collar 44 without contact in the tapered portion of the shell 39 a projection or a Sleeve 46 before. It is like the sleeve 43, 45 opposite her Outside longer.
  • the sections 43, 44, 45, 46 are interconnected connected axially fixed or formed in one piece.
  • a driver 49 He is through the downstream end of the Unit 17 formed.
  • the driver 49 is permanently completely within the body 43 to 46 and that in the starting position the units 2, 3 as the core body within the extended canal section which he forms and in the center limited annular.
  • the driver 49 has a barb-like Snap member 51 of a driver or snap-in coupling 50 on.
  • Their second coupling or snap member 52 is on the axially reciprocally displaceable valve body 53rd the valve 19 is provided.
  • the valve body 53 has two axially spaced sealing or piston lips 54, 55 on. They protrude in the opposite direction out and are ring-shaped.
  • the upstream lip 54 slides permanently sealed on the inner circumference of the sleeve 46th
  • the downstream lip 55 slides permanently sealed on the inner circumference of the shell 39.
  • the front wall of the Lip 55 may form a stop.
  • the upstream end of the body 53 includes a sleeve-shaped mandrel 56.
  • the member 52 is in the form of a ring Cams radially inward over the inner circumference of the Dornes 56 before and is with this sprung spreadable.
  • the Member 52 is immediately adjacent to an end wall of Body 43, 46. The remote from the member 52, upstream lying end face of this end wall forms within the Federal 44 the stop 48.
  • the front wall is from a narrowed passage opening interspersed.
  • the driver 51 leads a short free travel relative to the member 52. After that it beats only on the member 52, takes the body 53 against flow direction with and opens the valve 19 until it stops. Afterwards and after the smaller part of the return stroke The member 51 is characterized by the axial return surface the member 52 torn out by this resiliently widens. The valve body 53 is released by the member 51 with a spring 58 is moved back in the flow direction. Thereby closes the valve 19.
  • the restoring forces for the units 2, 3 are replaced by a Spring 59, as a screw or compression spring causes. she is completely outside the media rooms 11 to 15 and engages between the shells 33, 34 and 31, 35, so that their ends on the walls 22, 29 are directly supported.
  • the screw or compression spring 58 surrounds the axially slotted Thorn 56 and the link 52. It is at the inner Front wall of the body 43 to 46 with one end and inside the lip 54 is permanently biased to the other end supported.
  • the spring 58 protects the members 52, 56 from large expansion.
  • the body 53 Downstream of the lip 55, the body 53 faces one the lip 55 slimmer spine on. He stands in the direction of flow free inside the coat 39 and goes in at the end a still slimmer mandrel or end portion 57 over.
  • the movable closing surface of the valve 19 This annular closing surface is as an edge at right angles from the cylindrical peripheral surface and the flat end surface of Dornes 57 flanked. The movable closing surface lies in Closed position only linearly on the valve seat. He is formed by the inner surface of the end wall of the head 7.
  • the sections 54 to 57 are axially fixed together connected. They can be integral with the valve body 53 be educated.
  • the flow path of the medium passes through the Valve body 53 into the interior of the lip 55 axially and then exits radially into the interior of the lip 55, from where he further along the outer circumference of the downstream Dornes the body 53 leads to the valve seat.
  • this section the flow path is from the outer periphery of the downstream lying mandrel and bounded by the inner periphery of the shell 39.
  • a swirl or whirl device with radially inward directed into a central swirl chamber opening guide channels be provided.
  • the chamber is from the downstream Mandrel and the inside of the end wall of the head 7 limited.
  • the swirl device By the swirl device, the fine atomization of the Medium at the exit from the opening 15 improved.
  • the bodies 7, 43, 53, 57 are rotated. there does not turn the driver 49.
  • securing 60 For mutual axial securing of the units 2, 3 or the body 4, 5 and also to protect against mutual Twisting means securing 60 are provided. their Securing members are on the coats 23, 34 and 31 directly arranged. This leaves the rotational position of the unit 3 with respect to the memory 6 always the same. Alone by the Fuse 60 is positively prevented that the unit. 3 can be deducted in the flow direction of the unit 2. Against en Anlagenendes removal of the head 7 of the units 2, 3 alone secures the adjusting thread o. The like. Form-fitting. The head 7 can therefore be removed from the unit 3 by unscrewing be completely dissolved in a non-destructive way, e.g. around by the Cylinder 16 to fill the memory 6 with medium. against this However, the head 7 can also be released by an end stop be assured.
  • the piston 18 has a single, free in the flow direction protruding, annular piston lip 62. She runs sealed on the inner circumference of the cylinder 16, is in the starting position but lifted from this inner circumference without contact, because the inner circumference at the end counterflow direction acute-angled conical is extended. About the piston lip 62 is in the flow direction, a cylindrical mandrel 63rd the unit 17 free before. He limits with his outer circumference the media spaces 12, 13 and carries at the downstream End of the reduced driver 49. The driver 49 is from the end surface 47 of the mandrel 63 with a slimmer Dorn section in front of free. At the end, he has an extended, pointed conical head as a coupling member 51.
  • the parts 18, 27, 63, 49, 51 are axially fixed together. They can be integrally formed with each other.
  • the upstream end of the piston 18 may also be attached to at least one of the bodies 4, 22, 24, 25, 32 be attached with snap links. They are over his Scope distributed.
  • the piston 18 may also be integral with the Sheath 32 may be formed.
  • an inlet valve 64 is formed. It is in starting position open and closed after a first partial stroke of the working stroke, because then the lip 62 on the conical section of the cylinder 16 runs. Upstream closes at this Valve seat an annular suction chamber 65 at. She is from the Piston 18 and limited by the jacket 32. The suction chamber 65 interspersed as the jacket 32, the end wall 22 and closes upstream directly to the annular end of the channel 11 on. After closing the valve 64 is the working stroke the medium in the chamber 12 to the control room within the Lip 55 compacted. This becomes when a limit pressure is exceeded the valve body 53 is displaced against the spring 58 and the medium discharged through the open valve 19 the mechanically or manually operated valve 47, 48 am End of stroke closes.
  • the free end of the jacket 16 forms an opposite flow direction freely protruding, annular piston or sealing lip 66. It slides on the inner circumference of the jacket 32 and limited with its inner circumference, the chamber 65.
  • the lip 66 is located permanently upstream of the piston lip 62.
  • the sealing pressure or widening of the lips 54, 55, 62, 66 increases with increasing Media printing within the media rooms 11 to 14 too. So is a high density guaranteed.
  • the lip 66 and the Sheath 16 are integrally formed.
  • a similar one Sealing lip could also be the jacket 35 to the sealed Guide on the inner circumference of the shell 33 have. Also the Coats 33, 35 overlap each other like the coats 34, 31 permanent.
  • the closure can be a valve be. It is closed only in the starting position and at all open other lift positions.
  • Each is a valve member in one piece with the jacket 33 and the other valve member formed integrally with the jacket 35.
  • the body 4 has on the outer circumference of the coats 23, 34 and the Wall 22 at least one radially projecting cam 67.
  • the body 5 has in the shell 31 distributed over the circumference Breakthroughs or windows 68 on. They reach from the wall 29 until near the open cap end of the cap 28 and enforce the wall 29 slit-shaped. In each opening 68 engages one of Cam 67 a.
  • the snap connection at the same time forms the fuse 60, since the Cam 67 at the end of the return stroke at the upstream Limit of the window 68 strikes.
  • the opposite to the Axis 9 position-fixed cam 67 has an oblique shoulder.
  • the components 5 to 7, 16 to 18, 21 to 24, 26 to 29, 31 to 39, 42 to 49, 53, 56, 57, 61, 63 and 67 can be intrinsic or dimensionally stable.
  • the head 7 stands over the Wall 29 or projections 37, 38 by a length before, the multiply greater than that of the projections 37, 38 is.
  • the seal 41 closes with the free end faces of Projections 37, 38 flush. If the ventilation air for the Store 6 germ-free, so are filter media or germicidal Means appropriate in the ventilation path or in the annulus between the coats 32, 33 arranged tightly. For example, can an annular germ filter radially clamped to the coats 32, 33 and the end face on the outside of the wall 22. This is following the jacket 32 as well as the Seal 25 interspersed by a ventilation opening, the along the end portion 61 opens into the storage space.
  • the dispenser 1 or memory 6 has only a single memory opening, namely, the insertion of the unit 2.
  • the memory 6 points no tow piston.
  • the dispenser 1 can be switched to overhead operation. In an overhead position, the medium flows from the memory through the Wall 22 directly into the chamber 65. This is e.g. expedient when the medium is in a reclined head from the top in an eye or nostril is to be delivered. Of the Dispenser 1 then does not protrude or possibly only with the projection 27th in the memory 6.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Devices For Dispensing Beverages (AREA)

Claims (12)

  1. Distributeur de substances avec un actionnement de décharge, qui comprend une première et une deuxième unité de distributeur (2, 3) manuellement déplaçables l'une par rapport à l'autre, avec un premier et un deuxième corps de base (4, 5) et qui définit une course d'actionnement avec une direction de course et un chemin de course, et avec des espaces à substance (de 11 à 15) qui comprennent une chambre sous pression (12) avec un cylindre (16), sur la surface de frottement duquel glisse un piston (18), et un conduit de sortie (14) avec un orifice d'échappement (15), les espaces à substance définissant en outre un sens d'écoulement et un sens inverse opposé au premier, étant prévus un premier et un deuxième élément d'arrêt (63, 44) pour modifier le volume de décharge par délimitation de course avec un arrêt de course (47) et une contre-butée (48), caractérisé en ce que la chambre sous pression (12) est réalisée en deux parties et qu'elle est délimitée par le cylindre (16), qui présente la surface de frottement pour le piston (18), et un élément de commande (43) ajustable par rapport au cylindre (16) pour la modification du volume de décharge.
  2. Distributeur d'après la revendication 1, caractérisé en ce que pour la modification du chemin de course on prévoit, en substance seulement sur une des deux unités (2, 3), des moyens de commande (10) avec des éléments de commande (42, 43) qui s'engagent et qui sont entièrement ou essentiellement scellés, en ce que notamment les éléments de commande (42, 43) s'engagent au moyen d'un filet, tel qu'un filet à pas fin, et en ce que de préférence les moyens de commande (10) comprennent au moins en partie à l'intérieur de la section (7), qui présente une rigidité propre, un premier élément de commande (42) sur l'unité (3) correspondante ainsi qu'un deuxième élément de commande (43) avec une contre-butée (48) pour l'arrêt (47), le deuxième élément de commande étant centré de manière axialement limitrophe au corps de base (5) correspondant en vue de l'engagement avec le premier élément de commande (42).
  3. Distributeur d'après la revendication 1 ou 2, caractérisé en ce que le deuxième corps de base (5) présente l'orifice d'échappement (15) délimité de manière indéformable et, en tant que section qui présente une rigidité propre, une tête de décharge (7), dans laquelle est introduite en direction d'écoulement la contre-butée (48), en ce que le deuxième élément d'arrêt (44) se trouve entièrement à l'intérieur du deuxième corps de base (5), en ce qu'il est soutenu dans la tête de décharge (7) librement saillante en direction d'écoulement et/ou qu'il est disposé de manière librement saillante dans la direction opposée à la section élargie de la chambre sous pression (12) et en ce que de préférence au moins un des éléments d'arrêt (63, 44) délimite un des espaces à matières (12, 13) et en ce qu'il est soutenu à une face circonférentielle extérieure par le deuxième corps de base (5) de manière étanche et sans engagement par filet.
  4. Distributeur d'après une des revendications précédentes, caractérisé en ce que les éléments d'arrêt (63, 44) sont disposés dans un espace de boítier essentiellement étanche par rapport à l'air extérieur par des moyens d'étanchement (40), en ce qu'on prévoit notamment un joint d'étanchéité (41), tel qu'une douille d'étanchéité, qui entoure les éléments d'arrêt (63, 44), et en ce que de préférence les moyens d'étanchement (40) sont prévus entre deux surfaces de circonférence de la première et de la deuxième unité (2, 3), ces surfaces s'engageant l'une dans l'autre et étant mobiles l'une par rapport à l'autre.
  5. Distributeur d'après une des revendications précédentes, caractérisé en ce qu'un des éléments d'arrêt (44) est muni au moins d'un corps de guidage (17, 53) distinct des moyens de commande (10) ou similaires, en ce que notamment le corps de guidage (17, 53) est disposé dans l'élément d'arrêt (44) ou bien guidé de manière mobile auprès de celui-ci ou encore soutenu dans au moins une des ses positions et en ce que de préférence le corps de guidage (17, 53) délimite les espaces à substance (de 11 à 14) et qu'il comprend un corps de commande, tel qu'un corps de soupape (53) d'une soupape (19), un piston de pompe (18) d'une pompe de décharge (8) ou similaires.
  6. Distributeur d'après une des revendications précédentes, caractérisé en ce qu'on prévoit une soupape d'écoulement (19), telle qu'une soupape d'échappement ou d'aération, ainsi qu'un actionnement de soupape (20), qui comprennent un entraíneur (49) ouvrant la soupape d'écoulement (19).
  7. Distributeur d'après la revendication 6, caractérisé en ce que l'entraíneur (49) est un premier élément à déclic (51) d'un coupleur à déclic (50), dont le deuxième élément à déclic (52) est raccordé avec un corps de soupape (53) mobile, en ce que notamment le premier élément à déclic (51) est prévu à l'extrémité en aval d'une unité de piston (17) ou que le deuxième élément à déclic (52) est prévu à l'extrémité en amont d'un corps de soupape (53) et en ce que de préférence l'entraíneur (49) se trouve essentiellement à l'extérieur du premier corps de base (4) ou encore à l'intérieur du deuxième corps de base (3).
  8. Distributeur d'après une des revendications précédentes, caractérisé en ce qu'un des éléments d'arrêt (63, 44) est traversée sur toute sa longueur par un conduit (13) dont la section transversale de surface diffère au moins en partie d'un cercle entier traversable, en ce qu'un des corps de guidage (17) s'engage notamment dans le conduit par une extrémité ainsi qu'un autre corps de guidage (53) s'engage par l'autre extrémité du conduit et en ce que de préférence l'entraíneur (49) se trouve de manière permanente à l'intérieur au moins d'un des éléments d'arrêt ou encore de commande (42, 43).
  9. Distributeur d'après une des revendications précédentes, caractérisé en ce que la première unité de distributeur (2) présente des éléments de raccordement pour le raccordement avec un réservoir à substances (6), tel qu'un tuyau ascendant (24), un joint d'étanchéité (25) un élément de fixation (26) et un limiteur de chambre sous pression (18) et en ce que les éléments de raccordement forment une unité de montage (30) pour la fixation sur l'unité de distributeur (2).
  10. Distributeur d'après la revendication 9, caractérisé en ce que, par son extrémité en aval, le tuyau ascendant (24) fait suite au joint d'étanchéité (25) sous forme de disque annulaire ou encore au limiteur de chambre sous pression (18), en ce qu'on prévoit notamment un corps de guidage (27), qui s'engage à l'intérieur du tuyau ascendant (24) et qui délimite avec le tuyau ascendant (24) ou similaires un conduit d'admission (11) et en ce que de préférence un jusqu'à tous les éléments de raccordement (de 24 à 27) se trouvent essentiellement entièrement en amont d'une paroi frontale (22) du premier corps de base (4).
  11. Distributeur d'après une des revendications précédentes, caractérisé en ce que le premier corps de base (4) forme une paroi de bride (22) pour le serrage par rapport à un col de réservoir d'un réservoir à substances (6) et qu'il forme des éléments d'engagement (33) à la face en aval de la paroi de bride (22), à l'extérieur des espaces à substances, pour l'engagement essentiellement toujours étanche ainsi que mobile du deuxième corps de base (5).
  12. Distributeur d'après une des revendications précédentes, caractérisé en ce que le deuxième corps de base (5) forme un cylindre de pompe (16) et que le premier corps de base (4) comprend un piston de pompe (18) déplaçable dans le cylindre de pompe (16), en ce que notamment au moins une saillie d'enveloppe (16) délimitant la chambre sous pression (12) ou similaires présente une surface d'étanchement (66) glissant auprès au moins d'une enveloppe verticale (32) du premier corps de base (4) et en ce que de préférence le deuxième corps de base (5) présente un capuchon d'actionnement (28) qui loge le premier corps de base (4) à son intérieur, avec une enveloppe de capuchon (31) et une paroi frontale (29) formant une manette (36), au moins trois saillies d'enveloppe (16, 31, 35) saillant de la face intérieure de cette paroi frontale et étant guidées auprès du premier corps de base (4) par des surfaces circonférentielles.
EP98116486A 1997-09-11 1998-09-01 Distributeur de produit Expired - Lifetime EP0901835B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19739990A DE19739990A1 (de) 1997-09-11 1997-09-11 Spender für Medien
DE19739990 1997-09-11

Publications (3)

Publication Number Publication Date
EP0901835A2 EP0901835A2 (fr) 1999-03-17
EP0901835A3 EP0901835A3 (fr) 2000-03-29
EP0901835B1 true EP0901835B1 (fr) 2005-05-18

Family

ID=7842042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98116486A Expired - Lifetime EP0901835B1 (fr) 1997-09-11 1998-09-01 Distributeur de produit

Country Status (6)

Country Link
US (1) US6059151A (fr)
EP (1) EP0901835B1 (fr)
JP (1) JP4327277B2 (fr)
KR (1) KR19990029694A (fr)
BR (1) BR9803418A (fr)
DE (2) DE19739990A1 (fr)

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DE19933330A1 (de) 1999-07-16 2001-01-18 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
DE19960459A1 (de) 1999-12-15 2001-06-21 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
DE10015968A1 (de) * 2000-03-30 2001-10-04 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
FR2828871B1 (fr) * 2001-08-22 2003-12-19 Oreal Dispositif de conditionnement et de distribution sous pression d'un produit
CA2460651C (fr) * 2001-09-21 2011-06-07 Ing. Erich Pfeiffer Gmbh Dispositif de dosage avec pompe
DE20117778U1 (de) * 2001-10-31 2003-03-20 Sulzer Chemtech Ag Winterthur Kartuschenkolben mit Entlüftung
DE102005009294A1 (de) * 2004-07-13 2006-02-16 Ing. Erich Pfeiffer Gmbh Spender für Medien
FR2885887B1 (fr) * 2005-05-20 2010-11-05 Rexam Dispensing Sys Pompe a pointeau pour la distribution de produit liquide
DE102006008874B4 (de) 2006-02-21 2012-06-21 Ing. Erich Pfeiffer Gmbh Dosiervorrichtung mit einer manuell betätigbaren Pumpeinrichtung
DE102008027599A1 (de) * 2008-06-10 2009-12-31 Meadwestvaco Calmar Gmbh Fluidaustragkopf
JP5413895B2 (ja) * 2008-10-31 2014-02-12 株式会社吉野工業所 ポンプの押下げヘッド及び押下げヘッド式吐出ポンプ
DE102009037164B3 (de) * 2009-08-03 2010-12-09 Ing. Erich Pfeiffer Gmbh Austragvorrichtung für flüssige Medien
US9415401B2 (en) 2012-04-04 2016-08-16 Alternative Packaging Solutions Llc One turn actuated duration spray pump mechanism
US8720746B2 (en) * 2012-04-04 2014-05-13 William Sydney Blake One turn actuated duration spray pump mechanism
DE102013220492A1 (de) * 2013-10-10 2015-04-16 Aptar Radolfzell Gmbh Kindergesicherte Austragvorrichtung

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DE3339180C2 (de) * 1983-10-28 1993-10-14 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
FR2573819B1 (fr) * 1984-11-23 1989-03-10 Aerosol Inventions Dev Procede pour limiter le debit d'une pompe, petite pompe manuelle et seringue compte-gouttes mettant en oeuvre ce procede
DE3544985A1 (de) * 1985-12-19 1987-06-25 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung fuer fliessfaehige medien
DE4115774A1 (de) * 1991-05-15 1992-11-19 Reinhold Langguth Ohg Handzerstaeubereinrichtung
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FR2694607B1 (fr) * 1992-08-10 1994-10-07 Step Soc Tech Pulverisation Perfectionnement à l'assemblage d'une pompe dans un réservoir.
US5480095A (en) * 1993-09-14 1996-01-02 Minnesota Mining And Manufacturing Company Actuator and container for dispensing fluids
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Also Published As

Publication number Publication date
EP0901835A2 (fr) 1999-03-17
KR19990029694A (ko) 1999-04-26
US6059151A (en) 2000-05-09
DE19739990A1 (de) 1999-03-18
DE59812804D1 (de) 2005-06-23
EP0901835A3 (fr) 2000-03-29
JPH11156253A (ja) 1999-06-15
JP4327277B2 (ja) 2009-09-09
BR9803418A (pt) 1999-11-03

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