EP0901835A2 - Distributeur de produit - Google Patents

Distributeur de produit Download PDF

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Publication number
EP0901835A2
EP0901835A2 EP98116486A EP98116486A EP0901835A2 EP 0901835 A2 EP0901835 A2 EP 0901835A2 EP 98116486 A EP98116486 A EP 98116486A EP 98116486 A EP98116486 A EP 98116486A EP 0901835 A2 EP0901835 A2 EP 0901835A2
Authority
EP
European Patent Office
Prior art keywords
valve
base body
stroke
media
jacket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98116486A
Other languages
German (de)
English (en)
Other versions
EP0901835A3 (fr
EP0901835B1 (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
    • B05B11/0005—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
    • B05B11/1061—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
    • B05B11/1066—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
    • B05B11/1042—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
    • B05B11/01—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, conveyed or can be dispensed away from the dispenser at a media outlet.
  • the dispenser can be used by the user with a single hand carried freely and with this hand at the same time, i.e. one-handed, be operated with a force which is the medium promotes.
  • the donor can refill his print room with the Medium, for example from a media storage and suck in the medium on the return stroke.
  • the donor can but also in the manner of a disposable dispenser for actuation only be determined via a single, rectified pump stroke.
  • the entire stored media volume is then from the start in his pressure chamber. It can then have a single one Stroke or via adjoining partial strokes from the Pressure chamber can be discharged in doses.
  • the invention has for its object to a donor create the disadvantages of known training are avoided.
  • Dosage a tilt-free storage of his donor units, high tightness, one essentially smooth outer surface or high functional reliability to be guaranteed.
  • encapsulated stop and / or Setting means for determining or changing a Stroke a mechanical positive control as an actuating means for a flow or pressure compensation valve, too an assembly unit summarized connectors for Connection of the dispenser with a support body and / or engagement members for the sealed engagement of the two dispenser units outside the pressure chamber. This can e.g.
  • the Discharge volume per stroke-limited working stroke or stroke be precisely determined or changed; furthermore the Dispenser in a simple manner on the carrier, for example one bottle, attach and to different bottle shapes to adjust; Furthermore, you can then join the Media discharge Media residues from the media outlet back into the Dispenser sucked back behind the valve seat of an exhaust valve or the pressure chamber is vented; finally can foreign objects, such as dirt, penetrate the dispenser can be easily avoided.
  • the stroke travel is expediently adjusted by turning or axial adjustment of a discharge head relative to the associated base body.
  • the handle can face the first body regardless of the setting the actuating means always remain in the same rotational position.
  • the flow valve can be separate from the actuating means provided or connected to them, e.g. through sealed Guide a movable valve body on one of the Actuators.
  • This actuator can be used together with the Valve body as a pre-assembled unit in the second base body or the discharge head can be used.
  • the first Dispenser unit contains a freely protruding driver. He is engaged and disengaged only depending on the load or force Snap coupling connected to the valve body and transfers the valve to the desired valve position for example the open position. After that the coupling connection is separated again depending on the force and the valve body into its other valve position Spring force returned. In this way e.g. on the Media outlet and the outlet duct air from the pressure chamber during only a first part of the donor's return stroke emanate.
  • the dispenser has an attachment body, such as a cap, for connecting it to a storage bottle.
  • an attachment body such as a cap
  • At the Inside of this mounting body are as connecting links in front: a climbing or projecting freely into the memory Intake pipe, a seal, a fastener for positive locking Intervention in the memory and / or in the pressure chamber limiting body.
  • At least two to all of the connectors form a pre-assembled or one-piece Mounting unit for attachment to the memory or the first Basic body. By changing this unit, the Donors to very different forms of storage or flow properties be adapted by media.
  • a pressure chamber limiter are e.g. a cylinder jacket and a piston are provided. Each of these can belong to the assembly unit mentioned. This delimiter can also limit other media rooms or the driver or a coupling member of the valve actuation form.
  • the second dispenser unit provided as the actuation unit is useful with peripheral surfaces or the like Sliding surfaces, so sealed on the first storage unit led that interiors outside the pressure chamber of the donor are sealed to the outside.
  • An extreme one Coat can therefore have a window-like breakthrough Guide of a cam or the like. Still can Dirt over the next one, in this outermost coat Do not penetrate the lead inwards.
  • the media rooms are also means for venting the media rooms, especially the pressure chamber, the media outlet and all media rooms connected between them.
  • the valve actuation described is suitable for this. It holds the outlet valve over a first partial path of the return stroke open. So the compressed air can easily escape, without opening the exhaust valve against a valve spring must hold.
  • the ventilation of the media reservoir for pressure equalization for the amount of media withdrawn in each case can be over another valve can be achieved. It will be manual Operation opened or closed. E.g. can it in the Starting position of the donor closed and in all other stroke positions must be open. The one penetrating the valve Ventilation path can then be completely separate from the media rooms.
  • the dispenser 1 has two linear and axial against each other movable dispenser units 2, 3, each with a one-piece Basic body 4, 5. It is for attachment to one Carrier or media storage 6 determined. This then forms a component of the first unit 2 or the first Base body 4, with which it can also be formed in one piece can.
  • the second base body 5 of the second unit 3 comprises a discharge head 7. It can also be made in one piece with the Base body 5 may be formed, but here is a separate, elongated cap-shaped component.
  • Completely encapsulated within the body 4, 5 is a media pump 8, namely a thrust piston pump provided. With her it will Medium suddenly sucked out of the memory 6 on the return stroke and then carried out at the working stroke.
  • Fig. 1 shows the Discharge device in the initial or rest position.
  • Stop or actuating means 10 serve the amount of through the individual stroke of the medium to fix and change.
  • the end of the stroke is stroke-limited.
  • the each Subsequent stroke can be rectified to the end Connect the previous working stroke if there is no return stroke or no return spring is provided. He can also Donor 1 at the end of each stroke in his too stroke-limited starting position returned become. Only then is he over the next one again To actuate the working stroke.
  • the means 10 are completely in the unit 3 or in the base body 5. Thus the unit 2 can be replaced without changing the means 10.
  • From Base body 4 is an inlet channel 11 against the flow direction free in memory 6 before. It ends with one annular channel section into an annular pressure or Pump chamber 12 of the pump 8.
  • the chamber 12 includes one Axial section with larger passage cross sections and in Flow direction immediately afterwards one Axial section 13 with much smaller passage cross sections as a connecting channel. At these in the direction of flow then there is an expanded and then on again narrowed axial section provided. It closes in the area a duct closure in the flow direction to an outlet duct 14 on.
  • the channel 14 is only through a nozzle channel an atomizer nozzle. It forms with its downstream lying end of the media outlet 15, is in one piece limits and penetrates only one end or end wall of the Head 7.
  • Channel 14 is extremely short. It has a length the maximum two or three times larger than its largest Vastness is.
  • the pump 8 has a cylinder 16 and a piston unit 17 with a piston 18 that can be moved and sealed in the cylinder 16 on.
  • the cylinder 16 is stuck or in one piece with the Base body 5 connected and protrudes against the flow direction freely into the body 4.
  • the piston 17 is fixed or integrally connected to the body 4 so that the piston unit 17 free in the direction of flow and in the body 5 protrudes into it.
  • the unit 17 can upstream from Piston 18 in the area of only a single end face on Body 4 attached and axially supported.
  • the mentioned channel closure is dependent on the pressure opening and closing exhaust valve 19 formed. Up to the valve seat can reach the pressure chamber 12 valve-free. The valve seat is through the inner surface of the above End wall of the head 7 is formed and lies at the inner end of the nozzle or Outlet duct 14.
  • Valve actuation means 20 are provided, around the valve 19 at the beginning of the return stroke or positively open and during the rest Close part of the return stroke by spring force. Air can pass through the channel 14, 15 during this valve opening flow out of rooms 12, 13 into the open during the Piston 18 tightly closes the chamber 12.
  • the valve opening is used for sucking back of medium from channel 14, 15 into the dispenser. Thereby media residues 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.
  • the narrowed neck of the memory 6 engages in an axially fixed manner and tense.
  • a riser pipe 24 into the reservoir 6 free before. It limits the upstream end portion of the Channel 11 in one piece from its inlet opening to the wall 22.
  • the line 24 can be formed in one piece with the body 4 or a separate component 30.
  • Part 30 is in Flow direction in the cap 21 inserted linearly and supported directly on the end wall 22, via which he in Flow direction does not protrude.
  • On this inside of the End wall 22 also has an annular disk-shaped seal 25 on. It is between the end wall 22 and the end face of the Storage neck axially clamped and in one piece with the tube 24 educated.
  • a radially inward protruding fastener 26 for example a Screw thread, an annular snap cam or the like. Es engages the bodies 4, 6 in for mutual bracing Counter link on the outer circumference of the storage neck and can with Distance from both ends of the jacket 23.
  • Link 26 is formed in one piece with the body 4 here. But it can also be formed in one piece with part 24 or 25; in In this case, the outer circumference of this part 24, 25 is appropriate in a jacket directed against the direction of flow about. The lies on the inner circumference of the jacket 23 and is with this axially stuck via a resilient snap connection connected.
  • the snap cam can protrude radially inwards on the jacket 23 and / or on the outer circumference of the inner shell shown may be provided and engages in each case in a snap recess of the opposite peripheral surface form-fitting.
  • the donor can use the inner jacket 1 on a storage neck with screw thread and without inner jacket placed on a storage neck with a snap link become.
  • the snap member of the jacket 23 then engages in this stuck one.
  • the wall 22 can also be formed without a jacket 23 or attached to the storage neck with a crimp ring be.
  • a core or Guide body 27 protruding freely. Over its length is the storage neck or the channel 11 annular.
  • the body 27 is tapered conically at an acute angle against the direction of flow.
  • the jacket of the tube 24 is in this area in the direction of flow expanded with the same cone angle. It closes the farthest end directly to the innermost extent of the Body 25. This results in the flow direction and up to chamber 12 expanded passage cross sections of the channel 11.
  • the parts 24, 25 form the preassembled unit 30. You is to be attached to the body 4 and with a snap connection secure axially. Unit 30 can also, if necessary in one piece, the unit 17 belong. This results in a very simple training.
  • 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 against the direction of flow freely above a coat 31. Into him the body 4 permanently engages tightly.
  • Of the End wall 22 are only three projections in the direction of flow or coats 32, 33, 34. They have radial distances from each other and are coaxial with each other.
  • the sleeve-shaped Shells 32 to 34 are formed in one piece with the body 4.
  • the innermost jacket is through cylinder 16 and the outermost Jacket formed by the cap jacket 31. Between these coats 16, 31, the jacket 35 is provided. All Shells 16, 31, 35 are formed in one piece with the body 5.
  • the middle jacket 33 stands from the jackets 32 to 34 farthest and outermost jacket 34 least wide axially in front. Of the coats 16, 31, 35 is in the opposite Direction of the middle jacket 33 farthest and the outermost jacket 34 least axially forward.
  • the coat 34 can have the same outside and inside width as the jacket 23.
  • end wall 29 Of the end wall 29 are only in the direction of flow two projections or sleeve-shaped coats 37, 38 equally far in front. They have radial distances from one another and are coaxial into each other, are integrally formed with the body 5 and shorter than the coats 16, 31 to 35.
  • the coat 37 is aligned with the jacket 35 and the jacket 38 with the jacket 32 or 16.
  • the wall 29 can extend radially outwards via the jacket 31 protrude or only reach up to this coat 31. she forms with its outside around the links 37 to 39, 41 to 43 and 63 a finger pressure handle 36.
  • the upstream end of the head 7 forms a Inner and outer circumference cylindrical, sleeve-shaped jacket 39. He constantly engages between 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 permanently movable via guide or sealing means 40 into each other. So can except on channel 11 or Opening 15 does not allow air to enter the media spaces 12, 13. However, the media rooms 11 to 15 are completely bypassing Bypass path created. About him can through the body 4, 5 outside atmospheric air in volume constant follow memory 6.
  • a sleeve-shaped seal 41 provided radially preloaded from an elastomer. She lies on the outer circumference of the jacket 38 and on the smooth inner circumference of the Coat 39 close together.
  • the cylindrical sleeve 41 has its entire length constant inside and outside width. You can To prevent friction, keep the head 7 under Overcoming the inhibitory force against the body 5 to its Axis 9 can be rotated.
  • the head 7 is on the axis 9 lying nozzle opening 15 tapered at an acute angle and suitable, inserted into a body or nose opening or for dispensing a medical treatment medium into the open eye to be used.
  • the donor becomes 1st in the upside-down position with the discharge opening 15 pointing downwards used.
  • the means 10 have two independently of the discharge actuation Infinitely adjustable parallel to axis 9 interlocking actuators 42, 43. You are around Axis 9 rotatable against each other. That compared to the piston raceway of the cylinder 16 only slightly expanded actuator 42 is formed by the inner circumference of the jacket 38. It is therefore axially fixed to the body 5.
  • the actuator 43 is by a head 7 or jacket 39th separate body formed. It is axial as well as around the axis 9 firmly attached to the jacket 39, with which it too could be formed in one piece. Actuators 42, 43 grip with pitch surfaces, for example fine threads from less than three or a millimeter slope, immediately into each other. Thus, a rotary movement of the head 7 leads to its axial adjustment relative to the body 5.
  • the unit 2, 4 forms close to the downstream end the unit 17 has an annular stroke stop 47
  • Bodies 7 and 43 are assigned an annular counter-stop 48.
  • the adjusting means 10 are in a central position here shown. From this position is both one Extension and shortening of the stroke distance possible.
  • the surfaces 47, 48 lie in the pressure chamber 12, namely downstream immediately after the narrow channel 13 in the extended channel section and are with the adjusting means 10 axially adjustable to each other in the starting position.
  • the outer peripheral surface of the sleeve 45 has a smaller width than the setting thread and can be sealed, but axially slidably and rotatably in the inner circumference of the cylinder 16, so engage in the cylinder surface for the piston 18.
  • the thread engagement of the adjusting thread can be of the type Labyrinth seal must be sealed.
  • the engagement of the tether 44 in the jacket 39 is sealed.
  • a protrusion or a Sleeve 46 In the direction of flow from the collar 44 is non-contact in the tapered portion of the shell 39 a protrusion or a Sleeve 46 before. It is like the sleeve 43, 45 compared to it Outside width longer.
  • the sections 43, 44, 45, 46 are together axially fixed connected or formed in one piece.
  • axial ribs or the like. On the outer circumference of the sleeve 46, axial ribs or the like. be provided. They lie on the centering of the sleeve 46 Inner circumference of the jacket 39 evenly distributed and braced on.
  • a driver 49 is provided on the unit 5, 17. It is by the downstream end of the Unit 17 formed.
  • the driver 49 is permanently completely inside the body 43 to 46 in the starting position of the units 2, 3 as the core body within the extended channel section that it forms and in the center limited in a ring.
  • the driver 49 has a barb-like Snap member 51 of a driver or snap coupling 50 on.
  • the second coupling or snap member 52 is on the axially reciprocating valve body 53 of 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 and are ring-shaped.
  • the upstream lip 54 slides permanently sealed on the inner circumference of the sleeve 46.
  • the downstream lip 55 slides permanently sealed on the inner circumference of the jacket 39.
  • the front wall of the Lip 55 can form a stop. It hits the valve opening on the end face of the sleeve 46 and determined thereby the maximum opening travel of the valve 19.
  • the upstream end of body 53 includes one sleeve-shaped mandrel 56. It stands upstream from the Lips 54, 55 against the direction of flow freely against the Driver 49 before and is permanently with this immediately opposite the snap member 52.
  • the link 52 is in the form of a ring Cams radially inwards over the inner circumference of the Mandrel 56 in front and is resiliently expandable with this.
  • the Member 52 lies immediately adjacent to an end wall of the Body 43, 46.
  • the upstream away from link 52 lying end face of this end wall forms within the Federal 44 the stop 48.
  • the front wall is from one constricted passage opening penetrates.
  • the driving member 51 leads one short free travel opposite link 52. Then it hits only at the link 52, takes the body 53 against the direction of flow with and opens valve 19 as far as it will go. After that and after the smaller part of the return stroke the link 51 is characterized by the axial restoring surface the link 52 torn out by this resiliently expanding. The valve body 53 is also released after being released by the link 51 a spring 58 moved back in the direction of flow. Thereby valve 19 closes.
  • the restoring forces for units 2, 3 are determined by a Spring 59, such as a coil or compression spring. She is completely outside of media rooms 11 to 15 and engages between the coats 33, 34 and 31, 35, so that their ends are supported directly on the walls 22, 29.
  • the coil or compression spring 58 surrounds the axially slotted one Thorn 56 and link 52. It is on the inner End wall of the body 43 to 46 with one end and inside the lip 54 is permanently biased with the other end supported.
  • the spring 58 protects the links 52, 56 from great expansion.
  • body 53 Downstream of lip 55, body 53 faces one the lip 55 thinner thorn on. It stands in the direction of flow freely within the jacket 39 and ends in an even slimmer mandrel or end section 57.
  • the movable closing surface of the valve 19 This ring-shaped closing surface is sharp as an edge of the cylindrical peripheral surface and the flat end surface of the Flanked by thorn 57.
  • the movable closing surface is in The closed position only lines up at 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 to each other connected. They can be made in one piece with the valve body 53 be trained.
  • the flow path of the medium penetrates the Valve body 53 axially and inside the lip 55 then exits radially into the interior of lip 55 from where it is further along the outer circumference of the downstream Mandrel of the body 53 leads to the valve seat.
  • this section the flow path is downstream from the outer circumference lying mandrel and limited by the inner circumference of the jacket 39.
  • the chamber is from the downstream Mandrel and the inside of the end wall of the head 7 limited.
  • the fine atomization of the Medium improved upon exit from the opening 15.
  • the bodies 7, 43, 53, 57 are rotated by hand. Here the driver 49 does not rotate.
  • each other Securing means 60 For mutual axial securing of the units 2, 3 or the body 4, 5 and also to secure them against each other Securing means 60 are provided. Their Securing members are directly on the jackets 23, 34 and 31 arranged. This keeps the unit in its rotational position 3 compared to the memory 6 always the same. Alone through the Fuse 60 is positively prevented that the unit 3rd can be deducted from the unit 2 in the direction of flow. Against the corresponding pulling of the head 7 from the units 2, 3 alone secures the set thread or the like. The head 7 can therefore be unscrewed from the unit 3 can be completely resolved non-destructively, e.g. to get through the Cylinder 16 to fill the reservoir 6 with medium. against this The head 7 can also be released by an end stop be secured.
  • the piston 18 has a single one, free in the direction of flow protruding, annular piston lip 62. It 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 opposite the flow direction is widened conically at an acute angle.
  • the driver 49 stands from the end face 47 of the mandrel 63 with a slimmer one Mandrel section free in front. In the end it shows an expanded pointed conical head as coupling member 51. Parts 18, 27, 63, 49, 51 are axially fixed to each other. They can be formed in one piece with one another.
  • the unit 17 has a ring shoulder. It lies in the level of Inside of wall 22 and covers the expanded end of the annular portion of the channel 11 partially. So is a narrow or throttling point is formed here.
  • the pipe 24 here forms a widened at an acute angle in the direction of flow Funnel end 61. Compared to this, the unit 17 can be touch-free be.
  • the upstream end of the piston 18 can also be attached to at least one of the bodies 4, 22, 24, 25, 32 be fastened with snap links. You are about his Scope distributed.
  • the piston 18 can also be made in one piece with the Coat 32 may be formed.
  • an inlet valve 64 is formed. It is in the 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 up. Upstream connects to this Valve seat an annular suction chamber 65. It is from Piston 18 and limited by the jacket 32. The pre-suction chamber 65 penetrates through the end wall 22 like the jacket 32 and closes upstream directly to the annular end of the channel 11 on. After closing the valve 64, the working stroke the medium in the chamber 12 to the control room within the Lip 55 compressed. So is when a limit pressure is exceeded the valve body 53 is displaced against the spring 58 and discharged the medium through the open valve 19 to 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, ring-shaped piston or sealing lip 66. It slides on the inner circumference of the jacket 32 and limits chamber 65 with its inner circumference. Lip 66 lies 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 media rooms 11 through 14 too. So high tightness is guaranteed.
  • the lip 66 and the Sheath 16 are formed in one piece. A like one The sealing lip could also be used to seal the jacket 35 Have a guide on the inner circumference of the jacket 33. Also the Coats 33, 35 overlap one another like coats 34, 31 permanent.
  • Air can also be in between the coats 33, 35 the annular space between the coats 32, 33 and from there through the wall 22 are fed into the memory 6.
  • the closure can be a valve be. It is only closed in the starting position and with everyone other stroke positions open.
  • At the Actuation stroke is in the annular space between the jackets 16, 32, 33, 35 the pressure increased slightly. This gives a pumping effect.
  • the body 4 has on the outer circumference of the jackets 23, 34 and the Wall 22 on at least one radially projecting cam 67.
  • the body 5 has in the jacket 31 distributed over the circumference Breakthroughs or windows 68. They extend from wall 29 to close to the open end of the cap 28 and push through the wall 29 slit-shaped.
  • One of the grips into each opening 68 Cam 67 a.
  • the snap connection forms the fuse 60 at the same time, since the Cam 67 at the end of the return stroke on the upstream Limit of the window 68 strikes.
  • the opposite of the Axis 9 fixed cam 67 has an oblique shoulder.
  • the seal 41 closes with the free end faces of the Projections 37, 38 flush. Should the ventilation air for the Storage 6 are germ-free, so are filter media or germicidal Appropriately in the ventilation path or in the annulus arranged tightly between the coats 32, 33. E.g. can a ring-shaped germ filter clamps radially on the jackets 32, 33 and face against the outside of the wall 22. This is following the jacket 32 as well Seal 25 penetrated by a ventilation opening opens into the storage space along the end section 61.
  • the donor 1 or store 6 has only a single store opening, namely that for inserting the unit 2.
  • the memory 6 has no trailing piston. Simply by omitting the pipe 24, the dispenser 1 can be switched to overhead operation. In the upside-down position, the medium flows through the memory Wall 22 directly into chamber 65. This is e.g. expedient, if the medium is in from above with the head tilted back an eye or a nostril is to be delivered. Of the Dispenser 1 then does not protrude, or possibly only with the projection 27 into 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)
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
DE19739990 1997-09-11
DE19739990A DE19739990A1 (de) 1997-09-11 1997-09-11 Spender für Medien

Publications (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007096049A2 (fr) 2006-02-21 2007-08-30 Ing. Erich Pfeiffer Gmbh Dispositif de dosage dote d'un dispositif de pompage actionne a la main

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Publication number Priority date Publication date Assignee Title
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
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
US8720746B2 (en) * 2012-04-04 2014-05-13 William Sydney Blake One turn actuated duration spray pump mechanism
US9415401B2 (en) 2012-04-04 2016-08-16 Alternative Packaging Solutions Llc One turn actuated duration spray pump mechanism
DE102013220492A1 (de) * 2013-10-10 2015-04-16 Aptar Radolfzell Gmbh Kindergesicherte Austragvorrichtung

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EP0143183B1 (fr) 1983-10-28 1988-06-08 Ing. Erich Pfeiffer GmbH & Co. KG Distributeur de matières actives
EP0791398A1 (fr) 1996-02-22 1997-08-27 Caideil M.P. Teoranta Dispositif de décharge d'un fluide
EP0792192A1 (fr) 1994-11-19 1997-09-03 Caideil M.P. Teoranta Applicateur de milieux
EP0800869A1 (fr) 1996-03-16 1997-10-15 Ing. Erich Pfeiffer GmbH Dispositif de décharge d'un fluide
EP0815946A2 (fr) 1996-07-05 1998-01-07 Ing. Erich Pfeiffer GmbH Distributeur pour fluides

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US3391647A (en) * 1967-01-30 1968-07-09 Calmar Inc Liquid dispensing pump
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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
DE4210225A1 (de) * 1992-03-28 1993-09-30 Katz Otto Spender für Flüssigkeiten und Pasten
FR2694607B1 (fr) * 1992-08-10 1994-10-07 Step Soc Tech Pulverisation Perfectionnement à l'assemblage d'une pompe dans un réservoir.
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FR2740431B1 (fr) * 1995-10-30 1997-12-12 Sofab Flacon de distribution de liquide a paroi permeable
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DE29622983U1 (de) * 1996-07-05 1997-10-30 Ing. Erich Pfeiffer GmbH, 78315 Radolfzell Austragvorrichtung für Medien
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Publication number Priority date Publication date Assignee Title
EP0143183B1 (fr) 1983-10-28 1988-06-08 Ing. Erich Pfeiffer GmbH & Co. KG Distributeur de matières actives
EP0792192A1 (fr) 1994-11-19 1997-09-03 Caideil M.P. Teoranta Applicateur de milieux
EP0791398A1 (fr) 1996-02-22 1997-08-27 Caideil M.P. Teoranta Dispositif de décharge d'un fluide
EP0800869A1 (fr) 1996-03-16 1997-10-15 Ing. Erich Pfeiffer GmbH Dispositif de décharge d'un fluide
EP0815946A2 (fr) 1996-07-05 1998-01-07 Ing. Erich Pfeiffer GmbH Distributeur pour fluides

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007096049A2 (fr) 2006-02-21 2007-08-30 Ing. Erich Pfeiffer Gmbh Dispositif de dosage dote d'un dispositif de pompage actionne a la main
WO2007096049A3 (fr) * 2006-02-21 2007-11-15 Pfeiffer Erich Gmbh & Co Kg Dispositif de dosage dote d'un dispositif de pompage actionne a la main
CN101384373B (zh) * 2006-02-21 2012-07-04 艾里希普费弗工程师有限公司 具有可手动操纵的泵装置的配量装置
US8382010B2 (en) 2006-02-21 2013-02-26 Aptar Radolfzell Gmbh Dosing device with a manually actuatable pumping means

Also Published As

Publication number Publication date
BR9803418A (pt) 1999-11-03
DE19739990A1 (de) 1999-03-18
EP0901835A3 (fr) 2000-03-29
JPH11156253A (ja) 1999-06-15
DE59812804D1 (de) 2005-06-23
KR19990029694A (ko) 1999-04-26
EP0901835B1 (fr) 2005-05-18
US6059151A (en) 2000-05-09
JP4327277B2 (ja) 2009-09-09

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