EP0193054A1 - Distributeur de substances susceptibles de couler - Google Patents

Distributeur de substances susceptibles de couler Download PDF

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Publication number
EP0193054A1
EP0193054A1 EP86101939A EP86101939A EP0193054A1 EP 0193054 A1 EP0193054 A1 EP 0193054A1 EP 86101939 A EP86101939 A EP 86101939A EP 86101939 A EP86101939 A EP 86101939A EP 0193054 A1 EP0193054 A1 EP 0193054A1
Authority
EP
European Patent Office
Prior art keywords
piston
filling
container
riser pipe
discharge pump
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
EP86101939A
Other languages
German (de)
English (en)
Other versions
EP0193054B1 (fr
Inventor
Karl-Heinz Fuchs
Lothar Graf
Heinz-Peter Forsbach
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.)
Bayer AG
Aptar Radolfzell GmbH
Original Assignee
Bayer AG
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 Bayer AG, Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Bayer AG
Priority to AT86101939T priority Critical patent/ATE48819T1/de
Publication of EP0193054A1 publication Critical patent/EP0193054A1/fr
Application granted granted Critical
Publication of EP0193054B1 publication Critical patent/EP0193054B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0033—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston being a follower-piston and the dispensing means comprising a hand-operated pressure-device at the opposite part of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0097—Means for filling or refilling the sprayer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/029—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container located on top of the remaining content
    • 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
    • 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

Definitions

  • the invention relates to a dispensing device for flowable media, in particular pasteuse pharmaceutical or cosmetic preparations, with a storage container receiving a discharge pump after filling at the open end, which in the area of this end facing away from a closed bottom has a filling opening for its before filling has an empty filling space forming the storage space after filling, furthermore forms a traction piston for a trailing piston which delimits the storage space opposite the floor, in particular after filling from a filling to a working position closing the storage space, and which is penetrated by a riser pipe, on which the drag piston is guided, the outer end of the riser pipe being provided for the line connection with a discharge opening of the discharge pump.
  • a dispenser is known (DE-OS 30 06 680), in which the trailing piston is completely removed from the storage container in the filling position and thus the storage container is filled through its upper open end.
  • the filling chamber of this dispenser is therefore not closed by the trailing piston, but the trailing piston is only inserted over the filled medium after filling, so that the trailing piston then closes the storage space.
  • clean filling of the storage container is relatively difficult and the insertion of the trailing piston can also be difficult because, when inserted between the trailing piston and the top of the filled medium, an overpressure which counteracts the insertion of the trailing piston builds up.
  • the invention has for its object to provide an output device of the type mentioned, which ensures a clean or hygienic filling in a simple manner.
  • the filling opening is provided in the trailing piston, which in its filling position is the filling chamber delimited at the associated end and that in the filling position in the area of the trailing piston at least one closable ventilation opening is provided for the filling space.
  • the inventive design is therefore of the B s despite closed container base - closed filling enclosed container space before or at the latest at the beginning of the filling on the associated end by the trailing piston to a relative to this smaller filling.
  • the trailing piston no longer needs to be removed after filling, but it closes the storage container at the end of the filling hygienically from the start until the device is emptied. The air escaping from the container during filling can escape through the ventilation opening.
  • the filling opening is in the area of the outer end of the riser pipe and after the filling the riser pipe has to be connected to the discharge pump.
  • the filling opening is directly delimited by the drag piston, whereby relatively large cross sections of the filling opening can also be achieved.
  • the drag piston does not have a separate opening as the filling opening would have to be subsequently closed by an operation intended exclusively for this purpose, but if the filling opening is formed by the opening of the trailing piston provided for receiving the riser pipe, which has sealing elements due to its design provided for sealed guidance on the riser pipe and thus has a delimitation by at least one sealing lip Forms connector for a filling mouthpiece of a filling device.
  • the riser pipe can be used immediately after pulling the filling nozzle out of the trailing piston.
  • Ventilation opening can be closed with the movement of the drag piston from the filling position to the starting working position, in particular by the drag piston.
  • the ventilation opening is thus closed immediately after the filling or at least almost at the moment of the completion of the filling when the trailing piston is guided into the working position. This practically precludes the ingress of bacteria or the like into the medium and ensures high sterility of the medium, which enables the filled dispenser to be stored for a very long time over several years, for example four or more years, even if no preservatives have been added to the medium .
  • the dispensing device according to the invention is suitable, for example, for the filling with, as well as the storage and discharge of anti-infectives, antifungal agents, anti-inflammatory agents and similar media.
  • the ver from the filling position to the working position on the container slidingly guided trailing piston has on its outer end face an overrun stop for a driving stop connected, in particular, to the riser pipe and / or to the discharge pump, and that the storage space is shorter than the filling space by an amount corresponding to the associated driving stroke of the trailing piston.
  • the filling chamber can first be filled without air inclusion, that is, until the filled medium comes into contact with the associated end face of the drag piston, after which the drag piston simultaneously with the assembly of the discharge pump and possibly the riser pipe by the predetermined driving stroke by direct mechanical action on the drag piston in the storage container is pressed.
  • the storage space and preferably also that The riser pipe and the pump chamber of the discharge pump are completely filled with the medium after filling, that is to say without any cavities or air pockets.
  • this can be achieved in a simple manner in that the pump chamber of the discharge pump and, if appropriate, the riser pipe are filled by the displacement of the drag piston following the filling of the storage space, preferably the displacement volume corresponding to the driving stroke of the drag piston at least approximately is as large as the volume of the pump chamber and possibly the riser pipe.
  • the medium displaced from the container can easily be inserted into the riser pipe and finally into the Discharge pump or its pump chamber rise. If the riser pipe is also used during this process, it is immersed in the stored medium and also displaces a corresponding volume from the container into the riser pipe or the discharge pump.
  • the free end of the riser pipe in particular conically, is tapered to a width that is smaller than that of the filling opening.
  • assembly is very simple if the driver stop forms a component with the container closure carrying the discharge pump and / or is formed in one piece with the riser pipe, the driver stop particularly in the open end of the container engaging driving cap for the system adjacent to the sealing members of the drag piston. This prevents the driving stop from touching any sealing element of the drag piston and possibly leading to damage.
  • the trailing piston can, for example, have a front end wall facing the container bottom, beyond the rear side of which the sealing members protrude, the overrun stop advantageously being formed by the rear side of this end wall.
  • the design according to the invention also makes it possible to securely close the vent opening after filling without any special effort.
  • a structurally very simple design is obtained if the ventilation opening is connected to the outside of the output device via a ventilation channel, which is preferably provided in a groove-like manner on the inner lateral surface of the open end portion of the container and / or whose inner end forms the ventilation opening.
  • the slide is formed by an annular sealing lip of the trailing piston, preferably its annular sealing lip which seals the storage space on the piston raceway and which, in particular, projects obliquely from the trailing piston against the trailing direction and / or is provided at the front piston end in the trailing direction.
  • This ring sealing lip can be made relatively short in cross section and with high rigidity, so that it ensures a precisely defined closing of the vent opening and no separate seal or the like has to be provided for this.
  • the trailing piston lies in the filling position in the region of a slightly enlarged container section in the internal cross section compared to the piston running surface, in particular up to the open end surface of the container, which preferably has an oblique annular shoulder in the pistons merges with the raceway and / or in the filling position forms a system annular shoulder, in particular channeled through by the ventilation opening, for the front annular sealing lip of the drag piston in the towing direction.
  • the trailing piston can be used relatively smoothly up to the filling position and the filling position is precisely determined by the annular shoulder acting in the manner of a stop.
  • the towing piston engages in the annular shoulder with an elastic member, namely the associated ring sealing lip, it results in the towing piston being fixed in the filling position in the manner of a spring catch, which can be overcome by a correspondingly high force acting on the towing piston, and then simultaneously Vent opening is closed.
  • the guiding and sealing of the trailing piston with smooth running is substantially improved in that the, in particular ring-shaped, trailing piston for guiding on the piston raceway and / or on the riser pipe has at least two annular sealing lips, one behind the other, of which the rear, the ring sealing lip associated with the riser pipe can form the connection piece for the filling mouthpiece and can be provided on the inside with a further ring sealing lip for contact with the filling mouthpiece.
  • the annular sealing lips protrude obliquely towards the sealing surface in cross section, i.e. that the ring sealing lips associated with the piston raceway are flared to the rear and the ring sealing lips associated with the riser pipe are tapered conically or frustoconically to the rear.
  • the outer end of the riser pipe for the connection of the discharge pump forms a connecting member of a particularly telescopic line connector, which is in particular formed by two plug sleeves, preferably the connecting member of the riser pipe by the Connecting member of the discharge pump overlapping end portion and / or an inner sleeve engaging in the connecting member of the discharge pump is formed.
  • the design according to the invention is particularly suitable for those dispensing devices in which the discharge pump is designed as a piston pump, which preferably has a check valve, such as a ball valve, between the pump piston and the riser pipe.
  • the discharge pump can also be kept in its actuated state in a simple manner during assembly.
  • Some media tend to move in the finest traces between the piston and its raceway and thereby form a kind of bridge between both sides of the piston. This can be the case, for example, with fatty media, such as ointment-like preparations.
  • fatty media such as ointment-like preparations.
  • the empty space of the container above the trailing piston is sealed from the atmosphere in the rest position of the discharge pump, so that any traces of the medium that get into this space are also sealed off from the outside .
  • the housing of the discharge pump is inserted into the container in a sealed manner, preferably with an annular flange provided on its housing in an interior only a container closure sealed with the container is blown in, the discharge pump additionally being provided with an air compensation that is sealed in its rest position.
  • the air equalization for the empty space is thus carried out with the interposition of a valve which is inevitably closed when the discharge pump is at rest, so that the empty space is hermetically double-sealed from the atmosphere when the output device is at rest and thus in the storage state, namely once through the sealed connection of the pump housing with the container . and secondly through the closed air balance.
  • the discharge pump can be hygienically installed together with the, for example, cap-shaped container closure in a module on the filled base part of the container.
  • the design according to the invention also makes it possible to design the dispensing device in a simple manner so that it can be practically completely emptied, including the riser pipe and the discharge pump.
  • This can be achieved in an advantageous manner, for example, by leaving at least one ventilation channel for the riser, in particular provided on the outer circumference of the riser, from the floor level of the vessel, which, when the trailing piston is at the bottom end position, releases a ventilation connection from the empty space of the vessel to the inner end of the riser and its end facing away from the floor, preferably shortly before reaching this end position in the manner of a slide control overflowed from the associated sealing lip of the trailing piston.
  • the riser pipe including the pump chamber can still be sucked completely empty by further actuation of the discharge pump, because this design connects the lower end of the riser pipe to a ventilation.
  • the design of the dispensing device according to the invention enables both a precisely metered dispensing of media and the dispensing of relatively highly viscous media, which ensures a very versatile application of the device.
  • This advantage is achieved in a surprisingly simple manner, in particular when the dispensing device consists of an atomizer pump known per se and a storage container with drag or climbing pistons, since the action of the climbing piston thus supports the suction behavior of the discharge pump or the flow behavior of the medium that with an atomizer pump that is not suitable for highly viscous media, but rather for low-viscosity media, a repeatably precisely metered discharge of media is possible, which have a relatively high viscosity.
  • an output device 1 has, for example, a substantially cylindrical storage container 2, which is closed at one end with a bottom 4 formed in one piece with it and at the other end 5 with a cap-like or sleeve-like container closure 3 , which rests with an annular shoulder on the associated end face of the container 2 and with one over it Ring shoulder protruding connecting sleeve 6 engages centered in the open end 5 of the container 2.
  • a discharge pump 8 lying coaxially with the container closure 3 and the container 2 with an annular flange 9 formed by its housing is blown in from below and thereby secured and fastened both radially and axially.
  • the container 2 limits with the container closure 3 and the discharge pump 8 or the ring flange 9 the total container hermetically sealed to the outside when the discharge pump 8 is at rest.
  • the end of the discharge pump 8 facing the bottom 4 is part of a plug-in connection 10, via which a discharge pipe 11 is connected to the discharge pump 8, which is located coaxially with the latter and which extends close to the bottom 4.
  • a drag piston 12 is guided on the riser pipe 11 and can be displaced in a sealed manner both with respect to the inner jacket surface of the container 2 and with respect to the outer peripheral surface of the riser pipe 11.
  • the discharge pump 8 has, on a pump plunger 13 projecting beyond the outer end of its housing, an actuating head f 14 which is guided in the container closure 3 and is provided with a radially projecting discharge spout which delimits the discharge opening 15 of the dispensing device.
  • the container 2 with its section of its inner surface adjoining the flat inner surface of the bottom 4 and extending over most of its length, forms a raceway 16 for the drag piston 12.
  • Adjacent to this end face 19, the inner surface of the container section 18 is narrowed only by two annular beads 20, 21 which are partially circular in cross section, the inner width of the container being the same, larger or at most slightly smaller in the area of the raceway 16 in the area of these ring beads.
  • the connecting sleeve 6 of the container closure 3 has, on the outer circumference, complementary annular grooves for the engagement of the annular beads 20, 21, which are arranged such that when the ring shoulder of the container closure 3 adjoining the connecting sleeve 6 rests in a clip-like manner and engages positively and sealingly on the end face 19 engage in the annular beads 20, 21.
  • the ventilation channels 23 are sealed with the container closure 3 attached to the outside.
  • the essentially ring-shaped trailing piston 12 which has an approximately U-shaped cross-section in axial section on each side of its central axis 22 with profile legs directed away from the base 4, is formed at its end facing the base 4 by a substantially flat, annular disk-shaped end wall 25; From their end face facing away from the bottom 4, four ring sealing lips 25 to 29 protrude. Two ring sealing lips are essentially for sealed sliding on the raceway 16 and two ring sealing lips 28, 29 for sealed sliding on cylindrical outer circumference of the riser 11 is provided.
  • the two annular sealing lips 26, 28 that protrude less than or away from the bottom 4 of the end wall 25 or lie substantially approximately in the area of the thickness of the end wall 25 have only a very small lip length in cross-section and are inclined at approximately 45 ° to the central axis 22 inclined such that they bear relatively hard resiliently on the associated treads.
  • the installation of these two ring sealing lips takes place almost in the same plane perpendicular to the central axis 22.
  • the two other ring sealing lips 27, 29, which are also tapered at an acute angle to their free ends, are inclined at substantially smaller angles to the associated running surfaces, such that the ring sealing lip 27 associated with the raceway 16 widens conically to its free end surface and the other ring sealing lip 29. is tapered at an acute angle.
  • the free end faces of these two annular sealing lips and thus their contact zones on the associated running surfaces lie axially behind those of the annular sealing lips 26, 28 and in a common plane perpendicular to the central axis 22.
  • the distance between the inner annular bead 21 and the annular shoulder 17 is greater than that Distance between the contact surface of the annular sealing lip 26 associated with the annular shoulder 17 and the rear end face of the annular sealing lip 27; 3, the rear end face of the trailing piston 12 is at a short distance from the inner annular bead 21.
  • the flank of the annular sealing lip 26 facing the bottom 4 is formed by a frustoconical centering surface 30 on the circumference of the drag piston 12, which is formed by the bottom 4 facing end face of the end wall 25 to the free end face of the sealing lip 26 enough in the manner of a chamfer and expediently has the same flank angle as the ring shoulder 17.
  • the outer diameter of the annular sealing lip 26 is almost the same as the inner diameter of the container section 18, so that the trailing piston 12, although centered in the arrangement according to FIG. 3, engages radially essentially stress-free in the container 2 and presses against the annular shoulder 17 under axial pressure this can lie essentially sealingly with the annular sealing lip 26.
  • the rear end face of the end wall 25 of the trailing piston 12 facing away from the floor 4 forms with it. annular zone between the two annular sealing lips 27, 29 an overrun stop 31 for a driving stop 32.
  • the driving stop 32 is combined to form an assembly with the discharge pump 8 and / or the container closure 3 and, in the exemplary embodiment shown, is formed in one piece with the riser pipe 11; it is formed by the end of the jacket of a driving cap 33 of the riser pipe 11 facing the bottom 4 or the inner end of the riser pipe 11. Its end wall lies in the plane of the outer end of the riser tube 11, for example, formed by a plastic injection molded part, and merges into this end in one piece.
  • the inner length of the jacket of the driving cap 33 is the same size or at least slightly larger than the distance between the overrun stop 31 and the free end of the annular sealing lip 29, so that a pressure or compression load on the annular sealing lip 29 occurs when the driving stop 32 is in contact with the overrun stop 31 the end wall of the driving cap 33 is not to be feared.
  • the plug connection 10 between the discharge pump 8 and the riser pipe 11 also extends approximately over the length of the driving cap 33.
  • the end of the housing of the discharge pump 8 facing the bottom 4 is reduced in diameter by a sleeve-shaped one, compared to the rest of the discharge pump 8, and to its free end slightly tapered connecting link 34 is formed, which delimits the inlet channel of the discharge pump 8.
  • the complementary, also sleeve-shaped connecting member 35 of the riser pipe 11 is formed by its end section 36, which tightly encloses the connecting member 34 on the outer circumference, and by an inner sleeve 37 lying coaxially therewith, which engages in a sealed manner into the interior of the connecting member 34, so that by pressing the connecting members 34, 35 a frictional, but extremely firm connection takes place.
  • the trailing piston 12 is inserted so far into the container 2 that its outer annular sealing lip 26, which is in the direction of the arrow 39, bears on the annular shoulder 17 with the flank associated with the centering surface 30, such that the radially outer Ring sealing lips 26, 27 with their actual sealing edges rest exclusively on the inner lateral surface 40 of the container section 18 and have not yet been transferred to the raceway 16. Since the riser pipe 11 or the discharge pump 8 has not yet been inserted into the drag piston 12, the radially inner annular sealing lips 29, 28 of the drag piston 12 can be used as a connecting piece 41 for a filling mouth piece 42 indicated by dash-dotted lines in FIG. 3, ie the annular sealing lips 29, 28 delimit a filling opening 43.
  • the filling nozzle 42 expediently engages only so far in the annular sealing lips 29, 28 that its front end does not protrude beyond the front piston end 44 facing the bottom 4. In this state, the filling space 38 is connected to the vent opening 24. When the medium to be filled into the container 2 is pressed in through the filling mouthpiece 42, the air can thus escape from the filling space 38 through the ventilation channels 23 until the filling space 38 is completely filled from the bottom 4 to the trailing piston 12 without air being trapped. It is conceivable to design the filling mouthpiece 42 so long that its end lies near the bottom 4 at the beginning of the filling and is drawn outwards with increasing filling while the drag piston 12 is at a standstill.
  • the filling mouthpiece 42 is pulled out of the trailing piston 12 or the connecting piece 41.
  • the towing piston 12 is not moved relative to the container 2, which is relatively simple since the towing piston 12 is now secured in its position relative to the container 2 by the filling.
  • the preassembled assembly consisting of the riser pipe 11, the discharge pump 8 and the container closure 3 is inserted into the open end of the container 2, the inner, conically tapered end 45 of the riser pipe 11 first being inserted into the annular sealing lip 29 , 28 is inserted until the driving stop 32 abuts the overrun stop 31 of the drag piston 12; here the container closure 3 has not yet reached its final assembly position relative to the container 2.
  • the driving stop 32 takes place the trailing piston 12 by a predetermined driving stroke 46 in such a way that the annular sealing lip 26 jumps over the annular shoulder 17, reaches the raceway 16 and at the same time closes the ventilation openings 24 with respect to the interior of the container.
  • the container closure 3 is in its final assembly position relative to the container 2 and the trailing piston 12 according to FIG. 1 in its starting working position, ie the storage space 47 is now defined in the container 2.
  • the discharge pump 8 is designed as a piston pump which, between the pump piston 56 and the riser pipe 11, has a check valve 48 which opens to the discharge opening 15 and which is located directly adjacent to the connecting member 34 in the housing 49 of the discharge pump 8.
  • the housing 49 of the discharge pump 8 forms a cylinder with a piston race 55 for a pump piston 56, which together with the pump plunger 13 represents a piston unit.
  • the pump piston 56 which is guided on the piston race 55 with a conically enlarged piston lip, delimits a pump chamber 58 with the cylinder and the suction valve formed, for example, by the check valve 48.
  • the outlet channel of the pump chamber 58 is an inner channel in the Piston unit provided and leads with the interposition of an outlet valve through the pump plunger 13 to the discharge opening 15.
  • the valve body of the outlet valve is expediently formed in one piece with the pump piston 56 and has, for example, an annular bead located at a distance behind its piston lip on the inner circumference, which in the closed position of the outlet valve on one annular valve seat of the pump tappet 13 abuts.
  • the pump piston 56 is formed in one piece with a piston neck 59, which surrounds the pump plunger 13 in a sealed manner and can itself be compressed in a resilient manner under axial pressure load.
  • the piston raceway 55 ends in an inner annular shoulder 57, against which the associated end of the pump piston 56 runs at the end of the pump stroke; Beyond this position, the pump plunger 13 can be moved a little further relative to the cylinder, so that the pump piston 56, which is fixed relative to the cylinder by the annular shoulder 57, moves upward relative to the pump plunger 13 under axial compression of the piston neck 59, and the valve body of the pump piston 56 is lifted off the valve seat. As a result, from this moment the outlet valve is opened, which is closed again after the pump plunger 13 moves back around the valve at the beginning of the return stroke by the resilient force of the piston neck 59.
  • the outer or upper end of the housing 49 of the discharge pump 8 is closed with a cylinder cover 60, which forms the annular flange 9 projecting beyond its outer circumference adjacent to its lower end face and a through opening for the piston unit or the pump tappet 13 located in the pump axis having.
  • the annular gap between this through opening and the piston unit forms part of a connection provided as air compensation 61 between the atmosphere and the interior of the housing 49 separated from the pump chamber 58 by the pump piston 56, the interior above the pump chamber 58 between the cylinder cover 60 and the piston lip of the pump piston 56 lies.
  • This space is connected by an opening 62 in the housing 49 to the empty space 51 of the entire container which lies above the drag piston 12 and surrounds the discharge pump 8.
  • an air compensation valve 63 which is positively closed when the discharge pump 8 is at rest is provided in the air compensation 61, which is only open during the pumping stroke and the return stroke of the pump piston 56.
  • This air balancing valve 63 has a valve body 64 which is formed in one piece with the pump piston 56 or the piston neck 59 and tapered upwards in the shape of a truncated cone, to which the valve seat 65 is assigned the lower end of an inner sleeve of the cylinder cover 60 which delimits the passage opening and which is in the housing 49 intervenes.
  • valve body 64 hermetically seals against the valve seat 65 under the force of a return spring, not shown, which acts on the piston unit and is arranged, for example, in the pump axis in the housing 49 or in the pump chamber 58, as a result of which the rest position of the piston unit is also ensured Stop is set.
  • a return spring not shown
  • an air compensation opening for the empty space 51 could also be used be provided directly in the wall of the entire container, for example in the container 2 or in the container closure 3, which would be constantly open, but a sterile closure of the empty space 51 would then not be possible.
  • the discharge pump 8 described represents a type of atomizer pump which, in particular as a result of the described outlet valve, operates with a relatively high pump pressure.
  • FIGS. 1 to 3 also show, four ventilation channels 50 are provided on the outer circumference of the inner end section of the riser pipe 11 in the form of axial grooves of equal length, which extend as far as the associated free end of the riser pipe 11.
  • the rear end of the annular sealing lip 29 releases the associated ends.
  • 52 of the ventilation channels 50 ie that now behind the trailing piston 12 lying empty space 51 of the container 2 is connected to the inner end 53 of the riser pipe 11 via a ventilation connection.
  • the medium still located in the riser pipe 11 or in the pump chamber of the discharge pump 8 can be discharged through the discharge opening 15 by further actuation of the discharge pump 8 until the riser pipe 11 and the discharge pump 8 are also substantially completely emptied.
  • the spacer 54 which is smaller than the clear cross section of the riser pipe 11 in the axial view according to FIG. 2 is in the illustrated embodiment formed by a web lying diametrically to the riser pipe 11.
  • FIGS. 4 to 8 the same reference numerals as in FIGS. 1 to 3, but with the index "a”, are used for corresponding parts.
  • the driving stop 32a is formed directly by the container closure 3a, namely by the end of its connecting sleeve 6a.
  • the arrangement can be such that the driving stop 32a does not engage outside the sealing members of the drag piston 12a, but on the rear end face of the drag piston 12a, which is formed by the radially outer rear annular sealing lip 27a, in such a way that its rear end face touches the run-up stop 31a forms and the riser 11a at the rear end requires no special training.
  • This embodiment is particularly expedient if the annular sealing lip 27a is of relatively large dimensions and there is therefore no need to fear damage from the driving system.
  • the filling of the filling space 38a can also be carried out directly by the drag piston 12a.
  • the filling can also take place through the riser pipe 11a, ie, in addition to the drag piston 12a, the riser pipe 11a is also inserted into the container 2a before the filling.
  • the outer end of the Riser 11a, the filling opening 43a or the connecting piece 41a for the filling mouthpiece 42a indicated by dash-dotted lines.
  • FIG. 8 shows the lower end position of the drag piston 12a, in which the rear ends 52a of the ventilation channels 50a are released by the associated ring sealing lip 29a of the drag piston 12a in the manner of a slide control.
  • the air permeability desired for ventilation in this position between the outer circumference of the riser pipe and the drag piston can also be achieved by a suitable surface texture at the lower end of the riser pipe, so that separate groove-shaped ventilation channels are not required.
  • this surface can be designed so rough or with grooves that between it and the associated ring sealing lip of the drag piston, a large number of labyrinthine or capillary-like air passages are created on the last section of the piston path.
  • the same reference numerals are used for corresponding parts as in the previous figures, but with the index "b".
  • the ventilation channels 23b do not go as far as the open end surface 19b of the container 2b, but they are designed as pocket-shaped depressions in the inner surface of the container 2b which extend in a groove-like manner and extend from the piston raceway 16b into the inner lateral surface 40b of the container section 18b.
  • the ventilation channels 23b end on the side facing away from the open end face 19b of the annular beads 20b, 21b forming sealing elements in cooperation with the container closure, which are not continuously closed over their circumference, but are provided with depressions or interruptions, each of which, for example, extends the associated ventilation duct 22b parallel to the central axis 22b.
  • the container closure When the container closure is fitted, it engages in the annular groove delimited by the two annular beads 20b, 21b with an annular part that is continuously closed over the circumference and is provided on the outer circumference of the connecting sleeve of the container closure between the grooves, which is used for the engagement of the annular beads 20b, 21b are determined.
  • the ventilation channels 24b are not sealed to the outside in the region of the open end face 19b by the container closure, as in the embodiment according to FIGS. 1 to 3, but are closed when the container closure is in place by a seal lying in the region of lateral surfaces, which is both radial as well as axial sealing pressure can and thereby enables a particularly hermetic seal.
  • the maximum storage period of the filled device can be significantly extended without the risk of the contents spoiling. It is also conceivable to provide the connecting sleeve of the container closure on the outer circumference with projections which engage in a direct sealing manner in the ventilation channels.
  • the airtight seal between the container closure and the container should be designed so that it can withstand an upper pressure of at least 0.5 bar.
  • the transition between the piston race 16b and the inner surface of the bottom 4b to the centering surface 3D of the trailing piston is frustoconical in such a way that the trailing piston lies in its lower end position essentially without gaps with its centering surface on this transition surface and between the Trailing piston and the container practically no cavity remains.
EP86101939A 1985-02-21 1986-02-15 Distributeur de substances susceptibles de couler Expired EP0193054B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86101939T ATE48819T1 (de) 1985-02-21 1986-02-15 Ausgabeeinrichtung fuer fliessfaehige medien.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3505911 1985-02-21
DE3505911 1985-02-21
DE3521580 1985-06-15
DE19853521580 DE3521580A1 (de) 1985-02-21 1985-06-15 Ausgabeeinrichtung fuer fliessfaehige medien

Publications (2)

Publication Number Publication Date
EP0193054A1 true EP0193054A1 (fr) 1986-09-03
EP0193054B1 EP0193054B1 (fr) 1989-12-20

Family

ID=25829599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86101939A Expired EP0193054B1 (fr) 1985-02-21 1986-02-15 Distributeur de substances susceptibles de couler

Country Status (8)

Country Link
US (1) US4817829A (fr)
EP (1) EP0193054B1 (fr)
AU (1) AU596960B2 (fr)
CA (1) CA1294252C (fr)
DE (2) DE3521580A1 (fr)
DK (1) DK162277C (fr)
ES (1) ES8707852A1 (fr)
NO (1) NO165996C (fr)

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EP0262535A2 (fr) * 1986-10-03 1988-04-06 Bramlage GmbH Dispensateur pour la distribution dosée de substances pâteuses
EP0385896A1 (fr) * 1989-03-02 1990-09-05 Cebal S.A. Corps de distributeur, distributeur comportant un tel corps et dôme correspondant
DE4021697A1 (de) * 1990-03-09 1991-09-12 Hertrampf Michael Spender fuer fluessiges oder pastoeses gut
EP0499538A1 (fr) * 1991-02-13 1992-08-19 S O F A B Conditionnement de produits semi-consistants
EP0531257A1 (fr) * 1991-09-05 1993-03-10 Ciba-Geigy Ag Méthode et dispositif pour contenir et administrer une dispersion contenant des peptides
FR2690901A1 (fr) * 1992-05-18 1993-11-12 Sofab Dispensateur à douille plongeuse.
EP0571280A1 (fr) * 1992-05-18 1993-11-24 S O F A B Dispensateur à douille plongeuse
WO1993024392A1 (fr) * 1992-05-22 1993-12-09 Philip Meshberg Sac ou doublure de barrage inserable pour receptacle de distribution a col etroit et procede de remplissage dudit sac ou de ladite doublure de barrage par le siphon tubulaire
US5305810A (en) * 1992-05-22 1994-04-26 Philip Meshberg Apparatus and method for filling and dispensing a highly viscous product from a container
US5343901A (en) * 1993-03-17 1994-09-06 Philip Meshberg Insertable barrier bag or liner for a narrow neck dispensing container and method of filling such a barrier bag or liner
EP0899206A1 (fr) * 1997-08-26 1999-03-03 The English Glass Company Limited Système de distribution
DE102016113673A1 (de) * 2016-07-25 2018-01-25 Friedrich Fischer Dosierspendersystem
WO2019089564A1 (fr) * 2017-10-30 2019-05-09 Newer Commuter, LLC Appareil de pompe

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FR2706137B1 (fr) * 1993-06-07 1995-08-18 Oreal Tête pour distributeur de produit, en particulier de produit pâteux, et distributeur équipé de cette tête.
DE4429037A1 (de) * 1994-08-16 1996-02-22 Uhu Gmbh Klebstift mit kolbenförmiger Haltevorrichtung für die Stiftmasse
DE4438364A1 (de) * 1994-10-27 1996-05-02 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien sowie Verfahren und Vorrichtung zur Befüllung einer Austragvorrichtung
GB9519346D0 (en) 1995-09-22 1995-11-22 English Glass Company The Limi Dispensing systems
DE19741957A1 (de) 1997-09-23 1999-03-25 Wischerath Josef Gmbh Co Kg Verfahren zum Befüllen eines Spenders und Spender
GB2335241B (en) * 1998-07-13 2000-03-01 English Glass Co Ltd Dispensing systems
USD419877S (en) * 1998-12-03 2000-02-01 Owens-Illinois Closure Inc. Liquid dispenser
US6510981B1 (en) 1999-06-09 2003-01-28 General Mills, Inc. Canister with paper and plastic layers and a plastic lid for containing a particulate-type product, such as a ready-to-eat cereal
AU4092601A (en) * 2000-03-21 2001-10-03 Rieke Packaging Systems Limited Dispensing systems
GB0006856D0 (en) * 2000-03-21 2000-05-10 English Glass The Company Limi Dispensing systems
US20030233921A1 (en) * 2002-06-19 2003-12-25 Garcia Jaime E. Cutter with optical alignment system
FR2854822B1 (fr) * 2003-05-16 2005-06-24 Rexam Dispensing Sys Distributeur de produit liquide ou en gel
FR2855505B1 (fr) * 2003-05-26 2006-05-26 Airlessystems Distributeur de produit fluide et procede de montage d'un tel distributeur
US7665635B2 (en) * 2004-04-21 2010-02-23 L'oreal Assembly for packaging and dispensing liquid, a refillable unit and method of dispensing liquid
JP2006124016A (ja) * 2004-11-01 2006-05-18 Katsutoshi Masuda 流動体貯留容器
DE602004031159D1 (de) * 2004-11-30 2011-03-03 Rexam Dispensing Sys Nicht belüftete pumpe zur abgabe eines flüssigen produkts und zugehörige abgabevorrichtung
US20090039140A1 (en) * 2007-08-06 2009-02-12 Raschid Jose Bezama Solder Mold With Venting Channels
US20090039142A1 (en) * 2007-08-06 2009-02-12 Raschid Jose Bezama Method for Forming a Solder Mold with Venting Channels and Method for Using the Same
EP2323922B1 (fr) * 2008-08-01 2015-03-18 Boehringer Ingelheim International GmbH Emballage sous forme de bouteille avec un moyen amortisseur disposé à l'intérieur
NL1039048C2 (nl) * 2011-09-17 2013-03-25 Henri Peteri Beheer Bv Zeeppomp.
US9403632B1 (en) * 2013-06-17 2016-08-02 José Luis Marrero Ramos Fluid dispenser
EP3209430B1 (fr) 2014-10-20 2020-04-29 Rieke Packaging Systems Limited Distributeurs à pompe
DE102015207469B4 (de) * 2015-04-23 2023-04-20 Skf Lubrication Systems Germany Gmbh Versorgungseinrichtung für viskose Medien
FR3036632B1 (fr) * 2015-05-29 2017-05-26 Nemera La Verpilliere Pompe reliant l’interieur et l’exterieur d’un reservoir de produit amelioree
WO2017070398A1 (fr) * 2015-10-21 2017-04-27 Bobrick Washroom Equipment, Inc. Conduite de remplissage d'un réservoir de fluide et procédés de remplissage d'un réservoir de fluide
FR3046944B1 (fr) * 2016-01-22 2022-04-01 Capsum Dispositif de conditionnement et de distribution sans reprise d'air d'un produit, notamment a plusieurs phases, bague de purge et procede associes

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FR2546483A1 (fr) * 1983-05-24 1984-11-30 Aerosol Inventions Dev Distributeur-doseur manuel de substance fluide

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FR2510071A1 (fr) * 1981-07-24 1983-01-28 Normos Annie Distributeur de produits visqueux
DE3304926A1 (de) * 1983-02-12 1984-08-16 Emil Rüsing GmbH & Co KG, 5608 Radevormwald Spender fuer insbesondere pastoese massen
FR2546483A1 (fr) * 1983-05-24 1984-11-30 Aerosol Inventions Dev Distributeur-doseur manuel de substance fluide

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262535A2 (fr) * 1986-10-03 1988-04-06 Bramlage GmbH Dispensateur pour la distribution dosée de substances pâteuses
EP0262535A3 (fr) * 1986-10-03 1989-02-01 Bramlage GmbH Dispensateur pour la distribution dosée de substances pâteuses
EP0385896A1 (fr) * 1989-03-02 1990-09-05 Cebal S.A. Corps de distributeur, distributeur comportant un tel corps et dôme correspondant
FR2643882A1 (fr) * 1989-03-02 1990-09-07 Cebal Corps de distributeur, distributeur comportant un tel corps et dome correspondant
DE4021697A1 (de) * 1990-03-09 1991-09-12 Hertrampf Michael Spender fuer fluessiges oder pastoeses gut
EP0499538A1 (fr) * 1991-02-13 1992-08-19 S O F A B Conditionnement de produits semi-consistants
EP0531257A1 (fr) * 1991-09-05 1993-03-10 Ciba-Geigy Ag Méthode et dispositif pour contenir et administrer une dispersion contenant des peptides
FR2690901A1 (fr) * 1992-05-18 1993-11-12 Sofab Dispensateur à douille plongeuse.
EP0571280A1 (fr) * 1992-05-18 1993-11-24 S O F A B Dispensateur à douille plongeuse
US5305810A (en) * 1992-05-22 1994-04-26 Philip Meshberg Apparatus and method for filling and dispensing a highly viscous product from a container
WO1993024392A1 (fr) * 1992-05-22 1993-12-09 Philip Meshberg Sac ou doublure de barrage inserable pour receptacle de distribution a col etroit et procede de remplissage dudit sac ou de ladite doublure de barrage par le siphon tubulaire
US5460207A (en) * 1992-05-22 1995-10-24 Meshberg; Philip Apparatus and method for filling and dispensing a highly viscous product from a container
US5343901A (en) * 1993-03-17 1994-09-06 Philip Meshberg Insertable barrier bag or liner for a narrow neck dispensing container and method of filling such a barrier bag or liner
USRE36410E (en) * 1993-03-17 1999-11-30 Meshberg; Philip Insertable barrier bag or liner for a narrow neck dispensing container and method of filling such a barrier bag of liner
EP0899206A1 (fr) * 1997-08-26 1999-03-03 The English Glass Company Limited Système de distribution
DE102016113673A1 (de) * 2016-07-25 2018-01-25 Friedrich Fischer Dosierspendersystem
WO2018019592A1 (fr) 2016-07-25 2018-02-01 Friedrich Fischer Distributeur doseur comprenant un filtre de ventilation
US11969743B2 (en) 2016-07-25 2024-04-30 Friedrich Fischer Dispenser with ventilation filter
WO2019089564A1 (fr) * 2017-10-30 2019-05-09 Newer Commuter, LLC Appareil de pompe
CN111295515A (zh) * 2017-10-30 2020-06-16 新型通勤有限公司 泵装置

Also Published As

Publication number Publication date
NO165996C (no) 1991-05-15
DE3667648D1 (de) 1990-01-25
DE3521580A1 (de) 1986-08-21
DK162277C (da) 1992-03-02
NO165996B (no) 1991-02-04
NO860504L (no) 1986-08-22
DK162277B (da) 1991-10-07
EP0193054B1 (fr) 1989-12-20
DK79086D0 (da) 1986-02-20
DK79086A (da) 1986-08-22
CA1294252C (fr) 1992-01-14
ES8707852A1 (es) 1987-09-01
AU596960B2 (en) 1990-05-24
ES552235A0 (es) 1987-09-01
AU5366486A (en) 1986-08-28
US4817829A (en) 1989-04-04

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