EP0791397B1 - Dispositif de décharge d'un fluide - Google Patents

Dispositif de décharge d'un fluide Download PDF

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Publication number
EP0791397B1
EP0791397B1 EP97101589A EP97101589A EP0791397B1 EP 0791397 B1 EP0791397 B1 EP 0791397B1 EP 97101589 A EP97101589 A EP 97101589A EP 97101589 A EP97101589 A EP 97101589A EP 0791397 B1 EP0791397 B1 EP 0791397B1
Authority
EP
European Patent Office
Prior art keywords
discharge device
component
spring
olefin
chamber
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
EP97101589A
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German (de)
English (en)
Other versions
EP0791397A1 (fr
Inventor
Karl-Heinz Fuchs
Hans Merk
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.)
Caideil MP Teoranta
Original Assignee
Caideil MP Teoranta
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Publication date
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Publication of EP0791397A1 publication Critical patent/EP0791397A1/fr
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Anticipated expiration legal-status Critical
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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
    • 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
    • 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
    • B05B11/1018—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element and the controlling element cooperating with means for opening or closing the inlet valve
    • 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
    • B05B11/1077—Springs characterised by a particular shape or material

Definitions

  • the invention relates to a discharge device for media according to the preamble of claim 1.
  • Elastic, resilient components can be used in discharge devices and other steel devices than Coil springs or helical compression springs are made to with small dimensions even as uniform as possible Spring characteristic and a high elastic resilience to achieve when the spring is always a high preload and / or exposed to strong temperature fluctuations. Consist other parts of the device made of plastic, so when recycling such a spring element disturbing.
  • plastic springs or thermoplastic material with the properties mentioned create, in particular, very slim resilient elements whose largest width or largest diameter less than 20 or 10 mm and / or their largest spring cross-section is smaller than two or one millimeter.
  • WO-A-96/15855 is a discharge device with numerous Components that are made of plastic or not metallic materials are made. These materials can copolymers, such as polyethylene, polypropylene or other thermoplastics, so that the respective component as Injection molded part is to be produced. Such a discharge device is suitable for many applications, but is increasing also the need for material properties of the previous ones Art.
  • the invention has for its object a component to create a thermoplastic material or the like, at what disadvantages of known training or the described Are avoided, in particular high rigidity, like spring stiffness, and if necessary over the entire travel even under significantly higher temperatures always the greatest possible elastic resilience should have.
  • a metallocene acts as a catalyst in the manufacture of the thermoplastic material. It is used as a polymerization co-catalyst used so that remains of it remain evenly distributed in the material.
  • the metallocene has the highest possible performance unfolded, it is previously expedient to a powdered, insoluble carrier material drawn up and fixed on it.
  • Each powder grain of the carrier material forms in the following Polymerization a start for the growth of Polymer chains. Because several active centers on the surface every grain are identical, all molecular chains also grow uniform on the same length.
  • the catalyst is a transition metal complex with titanium, zirconium o. Like. As central atom and cyclopentadienyl analog ligands on Metallocene. An ethylene copolymer can be used with such catalysts produce with ⁇ -olefin, in which the comonomer is installed very evenly. Except Titanocen or Zirkonocen other catalysts may also be conceivable.
  • the plastic after polymerization by electron or gamma radiation further regarding the properties explained improve.
  • the surface structure like the Surface density, but also the elastic resilience are thereby increased. Even after repeated compression the component has a very low permanent Deformation.
  • the discharge device or another one Resilient element containing device can only after Assembly are irradiated so that all of its components exposed to radiation at the same time.
  • a radiation source a cobalt 60 source can be used and it has an irradiation intensity of at least 85 kGy and a maximum of 120 kGy proved to be particularly effective.
  • the component can also advantageously have sliding surfaces for form the operation of the discharge device, for example a valve body, a displacer or the like.
  • the component can be completely encased and externally lie covered within a housing or a chamber, which is flowed through by the medium or filled with the medium.
  • the component can be arranged so that all of its Surfaces, for example inner and outer circumferential surfaces as well as the inner and outer end faces are washed by the medium. Further advantages or improvements of the type mentioned result from the features of the subclaims.
  • the discharge device can be according to the patent DE-A-44 41 263 may be formed.
  • the discharge device 1 has two against one another Working movement, such as a linear stroke, manually movable Units 2, 3, which thereby a discharge operation 4th form. When actuated, the discharge device is in to hold a single hand and so with their fingers operate that it shortens and thereby the inside Medium is put under a discharge pressure.
  • Each of the Units 2, 3 have a separate, one-piece Base body 5, 6, which is the outermost outer surface of the Device 1 can form.
  • the elongated base body 5 of the inner unit 2 forms an elongated housing 7, which with a fastener 8 on the neck of a memory 9 so rigidly fasten it with most of its length lies within the vessel 9.
  • the components mentioned lie in a central or main axis 10 of the device 1.
  • the unit 3 contains an elongated displacement or Piston unit 11 and one outside the base body 5, 6 lying discharge or actuation head 12, which the Basic body 6 forms.
  • This base body 6 can be made in one piece with the unit 11 or by one of them separate component be formed.
  • In the housing 7 is one Elongated pressure or pump chamber 13 is provided, which on its outer circumference and on its inner end of the housing 7 and at the outer end of the unit 11 is limited. Outside the inner end of the housing 7 is an inlet 14 provided for the pressure chamber 13, which by a filling or suction pipe can be formed, the medium from the bottom area of the memory 9 by suction into the housing 7 and the pressure chamber 13 conducts.
  • the unit 6, 11 is of one adjoining the chamber 13
  • Exhaust passage 18 penetrates through which the medium below Overpressure is supplied to the media outlet 19 provided on the head 12 becomes.
  • the medium detaches from the device 1 outside.
  • a closure 20 namely an outlet valve, is provided, wherein the actuator 4 also a shutter actuator for repeated opening and closing of the closure 20 forms.
  • the closure 20 contains only two one-piece closure parts 21, 22, with which one directly to the channel 8 subsequent closure channel 23 in a position in Area of closing surfaces 24 closed pressure-tight and in the other position can be opened so that the medium between the closing surfaces 24 from the chamber 13 in the Channels 23, 28 flow.
  • the flow direction 25 of the closure 20 is from the inside out, namely so directed as the medium through the inlet 14 into the housing 7, from the Chamber 13 out and flows along the channel 18.
  • the actuating movement of the unit 3 is opposite directed.
  • the completely within unit 11 lying closure part 21 is for the closed position with a Spring 26 loaded, which is completely on the unit 11th is stored or held.
  • the unit 11 forms a cup-shaped with its inner end Piston 27 with a cylindrical tubular piston jacket 28, the inner end of which is designed as a sealing lip 29 and seals the chamber 13 continuously over its circumference.
  • the piston 27 has a piston crown 31 Front wall, which is only inside the piston skirt 28 lies, forms the outer closure part 22 and in Center is penetrated by channel 23.
  • the inner closure part 21 is with a sleeve-shaped and rigid support body 32nd secured against the piston 27 so that it opposite the piston 27 can perform axial relative movements.
  • the Support body 32 engages in a fixed position at a distance from the closure part 21 in the inner circumference of the piston skirt 28 so that it protrudes into the chamber 13 via the sealing lip 29.
  • the supporting body 32 is only by the spring 26 with the Locking part 21 connected, these components being a pre-assembled or can form a one-piece unit.
  • a control piston 33 is provided Expediently formed by the closure part 21 and with this is formed in one piece.
  • Delay means 30 are provided for the closure 20, which cause the closure 20 after opening with the Lock 4 remains open longer than the case would be if it only by the on the control piston 33 acting pressure in the chamber 13 would be controlled.
  • This Pressure usually drops at the beginning of the return stroke Unit 11 below the opening pressure of the closure 20, so that then the spring 26 immediately closes the closure 20 in its would lead back to the closed position. This is done through the establishment 20 short time so that the closure 20 only after part of the return stroke or at the end of it closes, with the working stroke the volume of the chamber 13 is reduced and increased from the beginning of the return stroke.
  • the unit 2 has a closure holder 34, which the closure part 21 in the open position with respect to the base body 5 even if the Unit 3 executes relative movements or the return stroke and thereby the closure part 22 from the closure part 21 removed outside.
  • the holder 34 points to the housing 7 and completely inside lying on this a holding member 35, which by the freely protruding and slightly narrowed end of the nozzle 16 can be formed.
  • the pin-shaped or tubular holding member 35 can be closed over the circumference and open at the free end his. It lies in contact-free manner within the chamber 13 which it doesn’t need to border against which it however due to the bending elasticity of the connector 16 Make slight radial movements in all directions can.
  • a counter member 36 provided that is formed in one piece with the parts 21, 33 can be and in the starting position shown in FIG Intermediate distance freely and coaxially against the holding member 35 protrudes from the closing surface 24 in the opposite direction 25.
  • the links 35, 36 have complementary engagement or Friction surfaces 37, 38 which, when the closure part 21 is open, if the spring 26 is maximally tensioned, with a predetermined Friction at the end of the actuation stroke of the actuation 4 mesh.
  • the friction surface 37 of the holding member 35 is by an inner circumference and the friction surface 38 by a Outer circumference formed. When actuated, the friction surface approaches 38 from their spaced position of the friction surface 37 until they slides over insertion bevels into the holding member 35 and in the further course of this coupling and plug-in movement Friction increases. At the end of this movement is the counter member 36 by static friction against the holding member 35 and the Body 5, 7 centered with the closure 20 still closed fixed.
  • the pressure build-up during the working stroke is usually sufficient not to open the closure part 21 or completely so to open that this air through the closure 20 is sufficient can escape into the channel 18.
  • the return stroke of the unit 6, 11 so the closure part 21 by the friction surfaces 37, 38 compared to the Unit 5, 7 initially held so that the closure part 22 removed from the closure part 21.
  • the spring 26 loads the closure part 21 in the direction of Closure part 22 or to the closed position in one dimension, which overcomes the static friction.
  • the counter member 36 therefore slides with a decrease in the frictional force along the friction surface 37 until it comes free from this and then the closure part 21 under the force of the spring 26 accelerated and smoothly into the closed position is transferred. In this closed position they beat Closing surfaces 24 then rigidly against each other, the Closing surfaces can be formed by complementary conical surfaces can and in particular the closing surface of the closure part 21 is an outer cone.
  • friction surfaces 37, 38 are trained so that they are proportional wear quickly after at least a few working strokes, that after the ventilation of the pressure chamber 13, the holding force is reduced so far that the closure 20 with the end of the working stroke or beginning of the return stroke closes.
  • the pressure-dependent opening path of the closure 20 is much smaller than that of the device 30 resulting opening path, so that when the opening pressure is reached in the chamber 13 of the closure 20 in the described Way opens before the lock holder 34 engages is coming.
  • the spring 26 or the piston 33 may be provided, for example guide webs on the inner circumference of the jacket 28, only in the closed position in the channel 23 protruding centering projection or the like.
  • the mutual return movement of the units 2, 3 is by a lying within the housing 7 in the axis 10
  • Return spring 39 which acts as the spring 26 as a compression spring formed with resilient twisting deformation is.
  • the spring 39 limits like the spring 26 and all supporting bodies 32, 41 the annular chamber 13 on the inner circumference and is with her associated end supported on the piston 27 via the support body 32. Their outside and inside width is larger than that of Spring 26 so that they are opposite the cylinder bore or Career 45 is non-contact.
  • the other end of the spring 39 is on the support body 41 on the inner circumference of the housing 7 in Distance from the housing base 44 is supported in a fixed position.
  • the unit 40 or its adjoining longitudinal sections enclose a chamber 42 which is only in the bottom area is connected to the chamber 13 via the inlet 17.
  • the nozzle 16 including the Holding member 35 as well as the counter member 36 in the described Way into it without contact.
  • the longitudinal sections 26, 39, 49 of the jacket boundary of the chamber 42 are each through axially compressible, resilient hose sections formed, whose outer and / or inner circumference thread-like one or several helixes, namely spiral grooves and between form these spiral bars so that the jacket thickness is continuous is about constant.
  • the support body 32 or 41 a larger wall thickness, in particular a larger one Jacket thickness so that it does not deform elastically during operation becomes.
  • the friction force between the end of the unit 40, 49 and the bottom 44 of the Chamber 13 is only so high that the supported end of the Section 49 by a smaller amount of rotates for example about 10 °, but then stops becomes.
  • one of the two supporting bodies can 32, 41 turn, especially the body 41.
  • a corresponding The spring 26 also executes torsional movement.
  • the the storage space of the memory 9 with its outer circumference delimiting jacket 43 of the housing 7 forms with the inner circumference also the race 45 for the piston end 29 and goes in one piece into the bottom 44 penetrated by the tube 15. On this connects in one piece to the connector 16, in which the Tube 15 protrudes with a press fit. Subsequent to the outside The end of the track 45 is an extended one compared to this Raceway 47 formed by the housing shell, on which a further piston 46 of the unit 11 continuously over the circumference sealed runs so that the outer end 48th the housing space is tightly closed.
  • the piston 46 lies at an axial distance from the piston lip 29 in the region of the piston crown 31 and is completely in one piece with the piston 27 educated.
  • the jacket of the neck 16 is from a transfer opening 50, for example one Longitudinal slot, which penetrates at a distance from the holding member 35 lies and the other end in the region of the body 41 is provided.
  • a transfer opening 50 for example one Longitudinal slot, which penetrates at a distance from the holding member 35 lies and the other end in the region of the body 41 is provided.
  • the free end of the connecting piece 16 or the holding member 35 including the friction surface 37 the scope should be closed throughout. This end forms another forehead or transition opening.
  • the flow cross sections the transfer openings are much larger than that of the inlet openings 17, so that the latter according to Art a throttle. Are both chambers 13, 42 with medium completely filled, so the medium is out during the working stroke the chamber 42 via the transfer openings 50 back into the Memory 9 pressed.
  • the chamber 13 is in the generates the overpressure described by which the Medium after opening the closure 20 pressed to the outlet 19 becomes.
  • the inlet 17 acts in a similar way closed inlet valve so that the medium from the chamber 13 not or only insignificantly via the inlet 17 back in the chamber 42 can flow.
  • Medium flows on the return stroke on the one hand via the nozzle 16 and 50 passage into the chamber 42 and on the other hand simultaneously from the chamber 42 over the Inlet 17 into chamber 13, causing all the chambers again are filled.
  • the media outlet 19 acts according to Art an exhaust valve as a throttle, through which not or only insignificant air are sucked into the media rooms 13, 18 can.
  • the holding member 35 or the friction surface 37 is not continuous over the circumference, but only bowl-shaped over an arc angle of more than 180 °.
  • the associated slot end of the transition 50 can therefore be open here or in such a way that it is not as shown in FIG. 1 connects to a narrow pipe socket.
  • the support body 41 can also be designed so that it has axial and rotary movements the spring 39 with and only acts centering, so that the section 49 as the spring 39 as a return spring for the unit 3 serves. Section 49 is approximately the same length here like the spring 39.
  • the holding member 35 projects in the starting position not up to the piston 27, but in the end position of the Working strokes also in sections 26, 32.
  • the holding member 35 is here up to its free end from the transition slot 50 enforced.
  • the support bodies 32, 41 only protrude the outer circumference of the resiliently deformable sections 26, 39, 49 before.
  • the memory 9 is ventilated.
  • the piston 46 seals this chamber only in the starting position from the outside and releases openings in the actuated end position what air from outside into this annulus and from there can flow directly into the memory 9.
  • the memory 9 is otherwise sealed by the base body 5, which for the storage opening formed by the storage neck a peripheral seal formed in one piece with it having.
  • the outlet axis 51 of the Outlet 19 transversely or at right angles to axis 10 in head 12, the direction of flow from the single nozzle opening 19 is directed away from the axis 10.
  • the upstream End of the one-piece limited end and nozzle channel 55 borders directly to a guide device 54, which according to FIG. 1 from the bottom of a cup-shaped nozzle cap and one into this engaging nozzle core of an atomizer nozzle may be limited can.
  • the nozzle core is in one piece with the body 6, 12 formed and the nozzle cap directed against the axis 10 inserted into an annular groove-shaped receptacle of the head 12 that the medium is directed against the axis 51 of the guide device flows into this, in the control device in a Rotational flow offset about axis 51 and then transversely or is diverted directly into the nozzle channel at right angles, which with a narrowing in the flow direction Section can connect to the control device.
  • the guide device is formed by a depression, which only on the inner circumference of the bowl and on the bottom surface of the bowl bottom of the nozzle body is provided is, this bottom is penetrated by the nozzle channel.
  • the recess 58, the bottom and side surfaces of the guide surfaces of the facility 54 is only in the outer peripheral surface 57 of the body 52 is provided, which about the axis 10 sleeve-shaped bwz. through a limited and thickened peripheral portion of a sleeve shell is formed.
  • the recess 58 is on the outer circumference 57 from the inner or Circumferential surface of the body 53 bounded by a peripheral portion of a one-piece sleeve is formed and from the outermost end wall of the head 12 Direction 25 protrudes freely into the head 12.
  • a sleeve is also formed in one piece with the head 12, bolt-shaped core body 61 from the inside of the Front wall of the head 12 and engages with its outer circumference sealed in the inner circumference of the body 52.
  • the sleeve 53 and the core body 56 delimit one with their groove flanks around the axis 10 limited, groove-shaped receptacle 60, at the Grooved flanks of the body 52 with its inner and outer Circumferential surface tightly sealed with pressure is.
  • the outlet channel 18 is approximately from the channel 23 and the floor 31 starting from the inner circumference of the body 52 and from the outer circumference of the body 61 limited and formed by a groove, which can only be provided in the core body 61. Between the bottom of the groove 60 and the immediately opposite one A distance is provided at the end edge of the body 52, so that here a transverse channel 59 between the end of the outlet channel 18 and the input of the guide device 54 is formed.
  • the transverse channel 59 can pass through in a ring around the axis 10.
  • the depression 58 forms in the Axis 51 is only open on the circumference and to the nozzle channel 55 Swirl chamber 62, in which tangentially one or more Swirl channels 63 open.
  • Each groove-shaped swirl channel 63 is sufficient to the end edge of the body 52 and is so immediately on the cross channel 59 connected.
  • the bodies 6, 12, 61 can due to alignment surfaces 64 only in a single rotational position about the axis 10 with the body 11, 52 so axially plugged together be that the axes of the device 54 and the Channel 55 coincide.
  • the unit 11 has a unique design and directly connected to the head 12, sleeve-shaped Piston shaft 65, which according to FIG. 1 the associated Section of the channel 18 completely delimited while he was it 2 limited only on the open long side of the groove 18. 2, the body 52 is through the outer End portion of this shaft 65 is formed, being substantially same inside and / or outside width as the rest Shaft 65.
  • the flat, circular segment-shaped surfaces 64 are approximately symmetrical to that axial plane of the device 54, which is related to the axis 10, so that it of the outlet channel 18 are penetrated.
  • the body 52 becomes Assembly in the direction 25 across the axis 51 in the body 53 used.
  • the outer face facing away from the body 52 the bottom wall of the head 12 forms its handle 66 Operation of the discharge device.
  • the outlet axis of the opening 19 is approximately parallel to or in the axis 10 at the extreme end of the Head 12, which is a discharge nozzle for introduction into forms a body opening, for example a nostril.
  • a transverse channel leads from channel 23 into groove 18, so that the outlet channel from this cross channel to the entrance the guide 54 from the outer periphery of the unit 52, 65 and is limited by the inner circumference of the head 6, 12. That head points in the extension of the nasal prong and at a distance within its outermost cladding an opposite direction 25 freely protruding, reaching almost to the bottom 31 Inner sleeve, which receives the shaft 65.
  • the depression 58 of the guide device 54 is shown in FIG. 4 only in the outermost end face of the shaft 52, 65 provided so that the channels 63 the outer periphery of this Connect the shaft to the guide chamber 62.
  • the outer nozzle body is here through the end and end walls of the head and Nose piece formed, against which the handle 66th is set back against direction 25 and on both sides the Axis 10 lies.
  • a single channel 63 connects the end edge of the Body 52 with the chamber 62, the rectilinear channel 63 can be narrowed to chamber 62 in width and / or depth.
  • two are separate for the chamber 62 channels 63 connected to the ring channel 59 are provided, which lie on both sides of the chamber 62 and are each angular are.
  • the medium flows from the channel in an angle leg 59 against direction 25 and immediately following Angle leg in the circumferential direction to the chamber 62, this Angle leg of the two channels 63 directed in opposite directions, but with the same directional swirl effect, in the Chamber 62 open.
  • Each of the described components of the discharge device 1 can be made of plastic, especially by injection molding, be produced, which advantageously in addition to the polymer an admixture not made of plastic, in particular a metal-containing or catalytically active admixture, is provided, namely metallocenes. Only in traces distributed catalyst is used for starting or acceleration the polymerization, which also results in all Molecular chains become about the same length and become a very narrow molecular weight distribution results.
  • the co-catalyst that is in contained transition metal complex or the metal itself can be less than 1/10000000 or 5/10000000 be contained in the plastic, so that the catalyst can remain in the finished component. After the expiry of the The catalyst could also act as a catalyst again be separated from the plastic.
  • a polyolefin or ethene-containing is preferred as the plastic Plastic, especially polyethylene or a Olefin polymer or olefin copolymer used, so that results in an elastomer.
  • the metallic part of the metallocene can only be titanium or zirconium or a mixture thereof, if it is a Titanocen or Zirkonocen. This results in a particularly good networking with Transition from the monomeric to the polymeric molecular structure or in the chain formation of the molecules.
  • Another improvement can be achieved in that the plastic as a molecular Structure instead of a pure polymer, a co-polymer, e.g.
  • the weight fraction of the ⁇ -olefin suitably at least 3% and at most 40%, in particular at least 5% and at most 30%.
  • the ⁇ -olefin suitably has two to six carbon atoms.
  • the plastic is very solvent or chemical resistant and has high softening temperatures, with little extractable components. Furthermore the plastic is odorless and tasteless. He has high shock resistance, good or dense surface quality, a slight thermal distortion as well as a very good stress crack resistance.
  • the radiation intensity expediently at least 85 kGy and at most 120 kGy, in particular is about 100 kGy.
  • This also enables networking of the molecular chains or the gel portion of the plastic increase.
  • the properties mentioned are special significantly improved compared to plastics, which are manufactured with the usual catalyst systems were, for example with so-called Ziegler-Natta or Phillips catalysts.
  • Irradiation by an electron beam accelerator o Like.
  • All Components of the device 1 are made of plastic, so that they are recycled together can.
  • the respective spring is in accordance with Art a coil spring, but the turns of which are not just close together along the helix slope, but also in one piece transversely to each other via connecting sections are connected, the one compared to the spiral pitch have a steeper slope or along the circumference of the spring the axial connections between adjacent spiral sections form. This allows the spring in the manner of a Bellows to be formed.
  • the support bodies 32, 41, the valve body 21 or 22, the control piston 33, the counter member 36 and the shaft 65 including the outlet body 52 can consist of the refined plastic.

Landscapes

  • Closures For Containers (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Springs (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Coating Apparatus (AREA)
  • Pens And Brushes (AREA)
  • Nozzles (AREA)
  • Liquid Crystal Substances (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Photographic Developing Apparatuses (AREA)

Claims (17)

  1. Dispositif de décharge pour substances avec au moins un composant (5, 6, 11, 40) en particulier un composant élastique et flexible tel qu'un ressort (26, 39, 49) un élément d'étanchéité (21, 29, 46) respectivement un piston (27), caractérisé en ce que le composant (5, 6, 11, 40) est fabriqué sous l'application de métallocènes.
  2. Dispositif de décharge selon la revendication 1, caractérisé en ce que la matière thermoplastique est un polymère, on copolymère tel qu'un polymère à oléfine ou un copolymère à l'oléfine.
  3. Dispositif de décharge selon la revendication 1 ou 2, caractérisé en ce qu'il s'agit pour l'oléfine d'une α-oléfine.
  4. Dispositif de décharge selon la revendication 3, caractérisé en ce qu'il s'agit d'une α-oléfine avec deux à six atomes de carbonne.
  5. Dispositif de décharge selon l'une des revendications précédentes, caractérisé en ce qu'il s'agit pour la matière thermoplastique d'un copolymère éthylène à l'α-oléfine.
  6. Dispositif de décharge selon l'une des revendications 3 à 5, caractérisé en ce que la teneur pondérale de l'α-oléfine est comprise entre 5 et 30 %.
  7. Dispositif de décharge selon l'une des revendications précédentes caractérisé en ce que la matière thermoplastique contient des résidus de catalyseur.
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le polymère présente une répartition de masse molaire très dense.
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif de décharge se compose exclusivement de matière synthétique
  10. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif de décharge se compose exclusivement de polymère à l'oléfine ou de copolymère à l'oléfine.
  11. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il s'agit dans le cas du métallocène d'un titanocène ou d'un zirconocène.
  12. Dispositif selon l'une des revendications précédentes, caractérisé en ce que la matière plastique est exposée au rayonnement après le montage fini prêt à l'emploi sensiblement tous les composants du dispositif de décharge sont exposés au rayonnement.
  13. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le composant (11, 40) est disposé à l'intérieur d'un corps de base (5, 6) dans un coffret (7), en ce qu'en particulier le composant est disposé au moins partiellement mobile par rapport au corps de base et que de préférence le composant subit l'impact du substance.
  14. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le composant (40) forme un ressort de torsion (26, 39, 49), en ce que en particulier le composant (11, 40) a une forme au moins partiellement tubulaire et en ce que de préférence le composant forme un ressort de rappel (26, 39) pour un piston de pompe (27) et/ou une soupape (20).
  15. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le composant (11, 40) est au moins partiellement attenant à une chambre de pression (13), en ce qu'en particulier le composant (40) s'étend sur une grande partie de la longueur d'un coffret (7) formant la chambre de pression (13) et en ce que de préférence le composant (40) forme sur sa longueur dans la continuité au moins une section longitudinale rigide (21, 32, 33, 36, 41) et forme au moins une section longitudinale faisant office de ressort de pression (26, 39, 49), au moins une section longitudinale rigide se trouvant à distance de deux extrémités du composant (40).
  16. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le composant (11) forme une surface de glissement, en ce qu'en particulier le composant (11, 40) est sous précontrainte élastique sensiblement permanente et en ce que de préférence le composant comprend un ressort à boudin (26, 39, 49) où des sections de spire à distance les unes des autres dans la direction axiale du ressort sont reliées entre elles directement d'un seul tenant par un liaison par spire et par des liaisons pontées.
  17. Utilisation d'une matière plastique qui comprend un polyoléfine polymérisé avec un catalyseur de métallocène pour au moins un composant (5, 6, 11, 40) d'un dispositif de décharge (1) pour des substances, en particulier pour des composants (11, 40) à déformation élastique.
EP97101589A 1996-02-22 1997-02-01 Dispositif de décharge d'un fluide Expired - Lifetime EP0791397B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19606702 1996-02-22
DE19606702A DE19606702A1 (de) 1996-02-22 1996-02-22 Austragvorrichtung für Medien

Publications (2)

Publication Number Publication Date
EP0791397A1 EP0791397A1 (fr) 1997-08-27
EP0791397B1 true EP0791397B1 (fr) 2000-05-03

Family

ID=7786161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97101589A Expired - Lifetime EP0791397B1 (fr) 1996-02-22 1997-02-01 Dispositif de décharge d'un fluide

Country Status (9)

Country Link
US (1) US5979711A (fr)
EP (1) EP0791397B1 (fr)
JP (1) JPH1015446A (fr)
KR (1) KR970061774A (fr)
AT (1) ATE192358T1 (fr)
AU (1) AU733440B2 (fr)
BR (1) BR9701049A (fr)
DE (2) DE19606702A1 (fr)
ES (1) ES2148845T3 (fr)

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DE202012012770U1 (de) 2012-09-25 2013-11-05 Aptar Radolfzell Gmbh Flüssigkeitsspender

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DE19627228A1 (de) * 1996-07-05 1998-01-08 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
DE19736999A1 (de) * 1997-08-26 1999-03-04 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
DE19807922A1 (de) * 1998-02-25 1999-08-26 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
JP3019832B2 (ja) 1998-02-27 2000-03-13 日本電気株式会社 プラズマディスプレイパネル
US6302101B1 (en) * 1999-12-14 2001-10-16 Daniel Py System and method for application of medicament into the nasal passage
IT1307537B1 (it) * 1999-12-24 2001-11-06 Taplast Spa Vaporizzatore per liquidi
FR2811383B1 (fr) * 2000-07-07 2002-12-13 Valois Sa Pompe de distribution de produit fluide
DE10229618A1 (de) * 2002-06-25 2004-01-29 Ing. Erich Pfeiffer Gmbh Dosierpumpe, Verfahren zu ihrer Herstellung und Vorrichtung zur Durchführung des Verfahrens
FR2854822B1 (fr) * 2003-05-16 2005-06-24 Rexam Dispensing Sys Distributeur de produit liquide ou en gel
CN100506393C (zh) * 2003-06-25 2009-07-01 艾里希普费弗工程师有限公司 至少一种介质的定量配料装置
FR2862106B1 (fr) * 2003-11-07 2007-08-24 Valois Sas Pompe de distribution de produit fluide.
DE102005063497B4 (de) * 2005-05-24 2009-09-24 Tecpharma Licensing Ag Kunststofffeder
GB0514584D0 (en) * 2005-07-15 2005-08-24 R J Doran & Co Ltd Apparatus for causing fluid flow
US7938299B2 (en) * 2006-11-03 2011-05-10 S.C. Johnson & Son, Inc. Device for attaching a dip tube to a fluid container
US20080210228A1 (en) * 2007-03-02 2008-09-04 Corbco, Inc. Monodose nasal sprayer
US8210167B2 (en) * 2007-03-02 2012-07-03 Corbco, Inc. Manually operated monodose nasal sprayer
CA2591046A1 (fr) * 2007-06-08 2008-12-08 Gotohti.Com Inc. Mecanisme casse-vide pour soupapes a piston
KR200465291Y1 (ko) * 2012-02-02 2013-02-12 (주)아모레퍼시픽 발열 마사지 기능을 갖는 피부미용 용기
WO2017050392A1 (fr) * 2015-09-25 2017-03-30 Sca Hygiene Products Ab Pompe à ressort polymère
EP3600687B1 (fr) * 2017-03-29 2023-01-25 Essity Hygiene and Health Aktiebolag Ressort plastomère à soupape captive
FR3090416A1 (fr) * 2018-12-24 2020-06-26 Albea Services Pompe pour flacon de produit cosmétique dotée de moyens de purge d’air
KR102113970B1 (ko) * 2020-03-06 2020-05-21 주식회사 동기피엔아이 논메탈 타입 화장품 용기의 펌프 어셈블리

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Publication number Priority date Publication date Assignee Title
DE202012012770U1 (de) 2012-09-25 2013-11-05 Aptar Radolfzell Gmbh Flüssigkeitsspender
DE102012217338A1 (de) 2012-09-25 2014-05-28 Aptar Radolfzell Gmbh Flüssigkeitsspender

Also Published As

Publication number Publication date
AU733440B2 (en) 2001-05-17
AU1479697A (en) 1997-08-28
US5979711A (en) 1999-11-09
ES2148845T3 (es) 2000-10-16
BR9701049A (pt) 1998-07-14
EP0791397A1 (fr) 1997-08-27
ATE192358T1 (de) 2000-05-15
KR970061774A (ko) 1997-09-12
JPH1015446A (ja) 1998-01-20
DE59701545D1 (de) 2000-06-08
DE19606702A1 (de) 1997-08-28

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