EP0631824A1 - Behälter zur Ausgabe von Flüssigkeit - Google Patents

Behälter zur Ausgabe von Flüssigkeit Download PDF

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Publication number
EP0631824A1
EP0631824A1 EP94109261A EP94109261A EP0631824A1 EP 0631824 A1 EP0631824 A1 EP 0631824A1 EP 94109261 A EP94109261 A EP 94109261A EP 94109261 A EP94109261 A EP 94109261A EP 0631824 A1 EP0631824 A1 EP 0631824A1
Authority
EP
European Patent Office
Prior art keywords
valve
pump
container
container according
clip
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.)
Withdrawn
Application number
EP94109261A
Other languages
German (de)
English (en)
French (fr)
Inventor
Clemens Schumacher
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.)
Robert Finke GmbH and Co KG
Original Assignee
Robert Finke GmbH and Co KG
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 Robert Finke GmbH and Co KG filed Critical Robert Finke GmbH and Co KG
Publication of EP0631824A1 publication Critical patent/EP0631824A1/de
Withdrawn legal-status Critical Current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
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
    • B05B9/0811—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container
    • B05B9/0816—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container the air supplying means being a manually actuated air pump
    • B05B9/0822—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container the air supplying means being a manually actuated air pump a discharge device being fixed to the container

Definitions

  • the invention relates to containers for dispensing liquid, in particular for spraying or foaming dispensing of the same, with an outlet nozzle arranged on the top side of the container and a handle for a pump associated with the container with a pump cylinder, piston rod and pump piston for generating a compressed air cushion above the liquid level, the Pump chamber has an air inlet and an air outlet valve.
  • Containers or dispensers of this type largely replace the devices that work with environmentally harmful propellants.
  • a generic embodiment is known from DE-OS 42 17 865.
  • a fundamental problem of such devices is that liquid can escape from the pump building up the compressed air above the liquid level. Leakage losses of this kind, albeit small, are undesirable or unacceptable due to the different properties of the liquids.
  • One cause can be the swelling of the constantly wetted valve bodies, which no longer close exactly. Even unfavorable tolerance pairings often form the reason for the deficiency described.
  • the object of the present invention is therefore to make a generic dispenser more economical, avoiding the disadvantages shown.
  • a generic container for dispensing liquid with increased utility value is achieved.
  • the air outlet valve consists of two valves connected in series, between which an air volume can be enclosed. This results in a kind of lock function. Should liquid possibly be able to pass through the first valve, it will certainly be retained at the next lock, the second valve, against leakage.
  • the pump actuation always results in the tendency to discharge any intervening liquid components.
  • an overpressure corresponding to the working pressure is created in the lock area mentioned. In the rest position, a slight difference between the pressure in the enclosed air volume and above the level of the container can thus be used advantageously for a function ensuring the valve closure of the first valve.
  • the first valve being a hose valve
  • the second valve is a poppet valve.
  • the plate area which is usually quite large in area
  • the stored pressure acts quite strongly in the sense of the closed position of the valve.
  • an annular chamber is formed for the enclosed air volume in relation to a pin arranged coaxially to the axis of the pump piston.
  • This practically the centerpiece of the valve assignment moreover, centrally oriented means brings a balanced operation of the pump in the most favorable way. It is advantageous that the pin cooperates with a valve sleeve to form the hose valve.
  • the central pin leaves the desired annular chamber peripherally and also fulfills a further function in that the pin also serves to fasten the poppet valve.
  • the poppet valve be bell-shaped in cross-section, overlapping an end of the pin facing away from the pump piston.
  • a structurally simple type of assignment is that the poppet valve is clip-mounted on the pin.
  • the desired high sealing effect is further favored by the fact that a groove is formed in a support sealing surface for the poppet valve, in which a sealing bead of the poppet valve at least partially lies in the sealing state.
  • the piston rod cannot slip out of its basic position, for example due to its own load, or out of the pump cylinder. This would otherwise be possible due to a certain clearance between the inlet valve and the piston rod, especially as precautionary measures are provided, which bring a pressure relief in the pump chamber, so that residual pressures can not push out the piston rod.
  • the relevant facility is explained in detail in the generic DE-OS 42 17 865.
  • a clip bead be designed in the form of individual clip noses. This requires less widening, since parts of the fastening section can stretch like a string over the spaces between the clip noses.
  • the design of the clip noses is then favored when the clip noses are located in the area of air outlet openings.
  • the latter thus have a double function, namely to enable air to escape and then to form an access path for the optimal shaping of the clip noses.
  • the poppet valve forms a locking flank for gripping under the clip nose.
  • a lower flank of the clip lugs enclose an angle of less than 20 ° with the latching flank of the valve plate. An angle of approximately 10 ° is preferably present.
  • the lower flank of the clip lugs runs in a horizontal or perpendicular to a longitudinal central axis of the piston rod. The lower edge is accordingly sharp-edged.
  • the container 1 to be used as the dispenser Sp is set up for the spraying or foaming dispensing of liquid 2.
  • it has a functional unit, referred to as dispensing nozzle D, and a functional unit, referred to as pump P.
  • the first-mentioned is accessible for operation above a head surface 3 of the container 1, which is surmounted by a head part 4 of the nozzle D.
  • the essentially cylindrical tube-shaped container 1 is produced by the blowing process.
  • Tough-elastic plastic is used, for example HDPE.
  • a pump cylinder 11 extends into the interior of the container 1, reaching almost to the level of the top surface 3.
  • an upper immersion or riser pipe 12 extends from the upper head piece 4 or connecting piece 7 to the side of the centrally arranged pump P.
  • Pump cylinder 11 and riser pipe 12 are immersed in the liquid 2 over their predominant length section; but the pump head 13 is cantilevered from the liquid 2, i.e. at maximum fill level, it still clearly exceeds the liquid level 14 of the fill content. In the standing position, liquid 2 can therefore immediately drain from the pump head 13.
  • the visible part of the pump P functional unit is its pump handle 15.
  • the latter consists of a cap which, in the basic position of the pump P, covers the lower head part 5 and covers it.
  • An integral part of the pump handle 15 or assigned by means of a clip connection or the like is a tubular piston rod 16. It is a tube with a round cross section.
  • the cap-shaped pump handle 15 overlapping the lower head part 5 forms a sufficiently large cavity 17 and reaches to the shoulder 6 with limited impact, against the underside of which the pump handle 15 occurs with its front edge 18 with limited impact.
  • a pump piston 22 is seated on the free, inner end of the piston rod 16. It is designed as a sleeve. Its piston rim, which runs into a sealing lip 23, forms a pot with its opening pointing upwards. The sealing lip 23 slides over the inner wall surface of the pump cylinder 11.
  • the pump piston 22 also functions as an air inlet valve V1.
  • the pump piston 22, which is formed from flexible or elastic material, is axially relatively displaceable relative to the piston rod 16. The relative displacement is limited and denoted by y in FIG. 5.
  • the bottom of the frictionally guided pump piston 22 is supported on the piston rod via its back or its chest. As a result, the passage of air is blocked or released accordingly.
  • cup-shaped pump piston 22 is irreversibly clipped onto said mandrel 29, on the projection side, leaving the free movement y of the displaceable pump piston 22 in the axial direction. Limitation stops form the lower flank of the projection 30 and, in return, the sealing cone 26 mentioned.
  • the mushroom-shaped projection 30 has one up to just before the upper one End of the sealing cone 26 reaching cross slot. This leaves four individual locking fingers that complement the entire mandrel 29. In spite of the fact that the lower flank of the projection 30 abuts, the path through the pump chamber 21 is kept open. On the other hand, when the annular rib 24 is in contact with the sealing cone 26, the already indicated blocking of the flow path via the pump piston 22 occurs because the diameter of the cutting-shaped annular rib 24 is larger than the clear diameter of the central passage 28.
  • the piston rod 16 is assigned to the pump cylinder 11 so that it cannot be lost.
  • a circumferential stop 31 is located in or near the transverse wall 25 on the jacket wall of the piston rod, which interacts with a counter stop 32 of the lower head part 5, through which the pump cylinder 11, which is also molded on, forming a collar, continues outwards ( compare Figure 3).
  • the outlet of the pump chamber 21 to the overpressure chamber Ü of the container 1 is controlled by an air outlet valve V2 connected downstream of the air inlet valve V1.
  • This is composed of two independently acting valves 34 and 35. Their closing action is based on the restoring force of their material and a load component of the excess air pressure generated.
  • the sealing state results from FIG. 4, the actuation state from FIG. 5.
  • An air volume can be enclosed between the two valves 34, 35 connected in series.
  • the pump head 13 carrying the valves 34, 35 leaves a chamber, more precisely an annular chamber 36.
  • the latter forms a kind of lock, in which the air volume under pressure is passed during the pumping process.
  • the two blocking levels of the valves 34, 35 prevent the escape of liquid via the pump P.
  • the first-mentioned valve 34 is a so-called hose valve and is assigned as an inner valve.
  • the second valve, designated 35 is a so-called poppet valve; the latter acts as an external valve. It is made of soft PP, while an elastomer is used for the inner valve. It is such an elastomer that is able to hold the pressure once it is built up in the bottle for a long time.
  • the outer valve ensures that the inner valve comes into contact with the product as little as possible.
  • the outer valve bringing a flat seal expediently has a pretension so that penetration of the liquid up to the inner valve is practically impossible even in the unpressurized state.
  • Carrier of both valves 34, 35 is a cap-shaped valve housing 37, which is placed on the free end of the pump cylinder 11. It can be a bounce assignment or, as shown, a positive engagement in the region of the plug-in joint 38 of both parts.
  • the corresponding bead / groove interlocking has the reference number 39 and can of course be found in the drawing.
  • a pin 40 is located in the center of the cap-shaped valve housing 37. The latter extends coaxially to the axis of the pump piston 22, that is to say at the same time in the longitudinal central axis x-x of the container 1.
  • the outer surface of the pin 40 is the inner boundary of the annular chamber 36.
  • An annular wall 41 running concentrically to the pin 40 forms the external boundary of the annular chamber 36.
  • the latter (41) is rooted in a ceiling 42 of the cap-shaped valve housing 37.
  • a number of bore-like air outlet openings 43 are distributed around the central pin 40. These lie in the flat section of the ceiling 42, which merges peripherally into a hanging shoulder-like support sealing surface 44 as a valve seat surface for the poppet valve, that is to say a second valve 35. 44 is basically a conical surface.
  • the inner section of the pin 40 which projects freely into the interior of the cap-shaped valve housing 37, carries a valve sleeve 45 for forming the hose valve.
  • the valve sleeve 45 which is attached with a slight preload, holds itself in place on a correspondingly preassembled overall component of the valve housing 37.
  • the lower, free end of the pin 40 is chamfered in its edge area. In this way, a kind of plug-in cone 46 is created.
  • the pin 40 increases slightly in cross-section upwards.
  • the outer section of the pin 40 which continues upwards over the ceiling 42, is used to fasten the poppet valve, that is to say the second valve 35.
  • the poppet valve is clip-retained on the pin 40.
  • a pin-side clip bead has the reference numeral 47. This is undercut in the plug-in assignment of the valve plate by a counter clip bead 48 of the same. It is located above the plate shoulder 49 of the bell-shaped poppet valve, seen in cross section.
  • the plate shoulder 49 or bell rim clearly merges into a central, dome-like extension 50 which engages over the pin 40 at the end facing away from the pump piston 22 in a hood-like manner.
  • the pin 40 is designed as a hollow pin. It opens upwards. Its opening edge is supported in relation to the dome-like extension 50 via internal, plug-limiting lugs 51.
  • the clip assignment cannot be braked by the air flowing in via the annular chamber 36 to form the air cushion in the overpressure space Ü.
  • the flat conical bell rim or plate shoulder 49 gives the valve body a certain stabilization even from the shape.
  • a sealing bead 53 is located above the groove 52 in the region of the valve disk near the edge.
  • the sealing bead 53 forms, viewed in cross section, an approximately semicircular, rotationally symmetrical accumulation of material.
  • the diameter of this circular, underside surface of the sealing bead 53 is larger than the radial distance, measured in the plane of the sloping sealing surface 44, of edge edges 54 and 55 of the groove 52 running parallel to one another. This leads (see FIG. 4) to an inner, first sealing zone a and to a second outer sealing zone b between sealing bead 53 and support sealing surface 44, that is to say edge edges 54, 55.
  • the sealing bead 53 can only partially dip into the said groove 52, with only the edge 52 tangenting the edge 52. A free space F1 is therefore achieved in the groove 52.
  • an outer lip 56 lying behind the sealing bead 53 in the flow direction is also provided on the poppet valve (valve 35). In the sealed state (FIG. 4), this also comes into contact with the support sealing surface 44.
  • the lip of this lip 56 runs out like a knife and has a highly sealing effect. It only places the inner flank of this lip 56 on the surface 44 mentioned.
  • the circumferential lip is inclined.
  • the sloping lip 56 tapering off at an acute angle is raised on the inner flank opposite the sealing surface 44 in such a way that there is still a second free space F2 which also contains a separated air volume. Its width (F2) measured in the radial direction corresponds to the clear width between the sealing zone a and the sealing zone b. The cutting edge of the lip 56 thus creates another at the said distance from b Sealing zone c. F1 and F2 contain overpressure, which is, however, dominated by the pressure cushion loading the mirror 14.
  • the inner valve ie the first valve 34, can be preassembled into a circumferential shaft 57 which is formed between a jacket wall 58 of the valve housing 37 and the annular wall 41 of the same.
  • the ring wall 41 can be seen to spring back in the axial direction relative to the end face of the jacket wall 58.
  • the interior space of the valve housing 37 underneath can be used to accommodate the base region of the valve sleeve 45.
  • This base region is folded in a V-shape in that, following a base-side bend 59, a stepped leg 60 running upward enters the shaft 57 as anchoring section 60.
  • the step bears the reference number 61. This supports the leg 60 on the downward-facing end edge of the ring wall 41.
  • the free end of the stepped leg 60 is folded on the outside in the opposite direction, that is, downwards. It forms a type of hook section, which anchors over the upwardly directed end edge 63 of the pump cylinder 11. Otherwise, the bottom of the shaft 57 continues into a recess 64. A circumferential web 65 protrudes into it. In this way, a labyrinth of joints with a high sealing effect results.
  • the hook section consists of a clear accumulation of material, the actual hook section still covering a chamfered, outer zone of the ring wall 63. Parts 34 and 37 can be pre-assembled in this way.
  • the step 61 creates enough space between the inner wall of the pump cylinder 11 and the recessed outer wall of the leg 60 for the axial entry of the cup-shaped pump piston 22 into the pump chamber 21.
  • the latter also contains a special feature in that the cylindrical inner wall of the pump cylinder 11 forms a pressure compensation device within the pump head 13, which simply consists in the pump cylinder 11 having a step 66 there. This step leads to an enlarged clear cross-section of the pump chamber 21.
  • the sealing lip 23 extends practically in a free position, i.e. the pressure cushion built up in front of the pump piston fence 22 in the pump chamber 21 drops suddenly. The overpressure escapes while flowing around the outside of the cup-shaped pump piston 22 via an annular gap 67 between the sealing lip 23 and the corresponding wall section of the pump chamber 21 with a larger cross-section.
  • a type of slip brake has been established. This consists in that a frictional locking increase 69 is formed on the outer surface of the piston rod 16. The latter is placed in such a way that the corresponding frictional engagement with the pump cylinder 11 leading the piston rod 16 only takes effect when the pressure compensation position is reached ( Figure 4).
  • the counter friction surface is the inner wall of the pump cylinder 11, in a nozzle-like extension 70, which clearly projects beyond the underside of the lower head part.
  • the counter surface can instead or also have a frictional engagement elevation.
  • a catch projection 71 can be seen in the figures mentioned, which cooperates with catch hooks 72 extending from the bottom of the cap-shaped pump handle 15. With a circumferential locking projection 71, it is advantageous to form three locking hooks 72 arranged at the same angle on the floor.
  • the dispensing nozzle D is of conventional design and should be explained only briefly, for the purpose of understanding the function alone. It consists of a pushbutton 73 actuating a further outlet valve V3. It continues into a central plunger 74 which is spring-loaded in the direction of the basic position. The compression spring stressing this bears the reference number 75 and is seated in an insert part 76, which forms a spring chamber for the compression spring 75 with an upper section and forms a connection piece for receiving the riser pipe 12 in a lower section.
  • the insert part 76 is clipped into the ceiling of a centrally perforated screw cap 77 forming the upper head part 4. It is a plate-like section which carries a sealing ring 78 on the upper side and clamps it against the underside of the ceiling of the screw cap 77.
  • the hole edge of the sealing ring 78 lies tightly in front of a transverse channel 79 of the Ram 74, which transverse channel 79 is connected to a central outlet channel 80 in the center of the ram 74. The latter directs the medium to be dispensed to a nozzle 81 for generating a spray jet or a foam jet.
  • the central area below the sealing ring 78 is excluded and is fluidically connected to the compressed air volume of the container 1 via one or more air channels 82.
  • FIGS. 10 to 12 relate to a further development of the clip holder between the valve plate and valve housing 37 or pin 40.
  • the reference numerals are used, in part without repeating the associated text. While the above-described variant is based on a continuous circumferential clip bead 47, the further development shows a clip bead 47 in the form of individual clip noses 83. These are arranged at the same angle on the circumference or on the lateral surface of the pin 40, aligned axially. These are molded parts.
  • the relevant holding device for the valve plate does not require a forced, undercut circumferential undercut.
  • the lower edge 85 of the clip lugs 83 is rather sharp-edged. They (85) extend, taking into account the position shown, in a common horizontal line, i.e. they run perpendicular to the longitudinal central axis x-x of the piston rod 16, and not in an approximately 45 ° inclination, as is e.g. emerges from Figure 4.
  • the bore-like air outlet openings 43 discussed in the variant described above are used.
  • the window-shaped openings shown in FIG. 12 are present, also referred to as air outlet openings 43.
  • the corresponding stamp of the tool travels from below while passing through the ceiling 42 of the valve housing 37 to the shape area above the cover 42 lying clip lugs 83.
  • the inner edge of the air outlet opening 43 facing the center follows the cylindrical jacket of the tube-like pin 40 in an identical manner. The shape regions lying above the ceiling 42 are thus precisely reached.
  • the valve disk here also has the counterclip bead 48 described above, which has a latching flank 86 on the top side, that is to say toward the clip nose 83. This runs around as a ring shoulder without interruption.
  • the lower flanks 85 of the clip lugs 83 form an angle alpha of less than 20 ° with the corresponding latching flank 86 of the valve plate. In the exemplary embodiment, an angle of approximately 10 ° is used. 86 rises outward at this angle.
  • valve plate swells, which swelling can actually be caused in part by the various products housed in the dispenser, the corresponding height dimensioning can no longer be as great, and the preload of the sealing lip 53/56 against the valve housing 37 is thus better preserved .
  • the safe functioning of the valve disc is very important because it is made from a soft polypropylene and is therefore more resistant to many products than the internal valve 34, which is preferably made from the Santoprene elastomer.
  • the latching flank 86 merges via a convex transverse rounding into the inwardly directed annular surface of the counterbead 48, which annular surface opens in a funnel-like manner towards the ceiling 42, thus forming a rotationally symmetrical run-up surface 87.
  • This in conjunction with the same-angled nose bridge of the clip nose 83, makes assembly easier.
  • the plug limit is also given in this variant by lugs 51, which only have a light gap between the attached end face for better recognition and the corresponding ring end face of the tubular pin 40.
  • Ceiling 42 and annular wall 41 connecting radial struts 88 stiffen the valve housing 37. The latter are located in the bisector between the air outlet openings 43.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)
EP94109261A 1993-06-25 1994-06-16 Behälter zur Ausgabe von Flüssigkeit Withdrawn EP0631824A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9309443U 1993-06-25
DE9309443U DE9309443U1 (de) 1993-06-25 1993-06-25 Behälter zur Ausgabe von Flüssigkeit

Publications (1)

Publication Number Publication Date
EP0631824A1 true EP0631824A1 (de) 1995-01-04

Family

ID=6894820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94109261A Withdrawn EP0631824A1 (de) 1993-06-25 1994-06-16 Behälter zur Ausgabe von Flüssigkeit

Country Status (8)

Country Link
US (1) US5431312A (cs)
EP (1) EP0631824A1 (cs)
JP (1) JPH0769361A (cs)
CN (1) CN1100380A (cs)
CA (1) CA2126725A1 (cs)
DE (1) DE9309443U1 (cs)
MY (1) MY130062A (cs)
TW (1) TW274074B (cs)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5623974A (en) * 1994-10-24 1997-04-29 Losenno; Christopher D. Spray product and pump to supply air under pressure to the dispenser
CN101232949B (zh) * 2005-07-29 2011-02-09 株式会社吉野工业所 排出容器
US7543724B2 (en) * 2006-06-21 2009-06-09 Seaquist Closures Foreign, Inc. Dispensing system with a dispensing valve having a projecting, reduced size discharge end
JP4925196B2 (ja) * 2007-04-26 2012-04-25 株式会社吉野工業所 弁部材及び該弁部材を使用した噴出ヘッド
KR100893115B1 (ko) * 2007-10-15 2009-04-14 애경산업(주) 펌프 디스펜서용 푸시 헤드 및 이를 포함하는 펌프디스펜서
CN105836692A (zh) * 2016-05-27 2016-08-10 杭州中亚机械股份有限公司 一种灌装阀
CN105840850B (zh) * 2016-05-27 2018-10-23 杭州中亚机械股份有限公司 一种灌装阀

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282510A (en) * 1964-07-06 1966-11-01 Deena S Strauss Aerosol spray device
EP0037035A1 (en) * 1980-03-31 1981-10-07 Canyon Corporation Air-pressurized sprayer
EP0075224A2 (en) * 1981-09-17 1983-03-30 Canyon Corporation Dispenser with an air pump mechanism
US4537334A (en) * 1983-07-18 1985-08-27 Tolco Corporation Portable pressure sprayer
DE4217865A1 (de) * 1991-06-26 1993-01-07 Schuckmann Alfred Von Behaelter zur verspruehenden ausgabe von fluessigkeit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267674A (en) * 1991-06-26 1993-12-07 Robert Finke Gmbh & Co. Kg Container for the spray-dispensing of liquid
DE4201094A1 (de) * 1992-01-17 1993-07-22 Inter Airspray Sweden Ab Schaumspruehvorrichtung
DE9208050U1 (de) * 1992-06-16 1993-10-21 Raku GmbH, 76437 Rastatt Behälter zur versprühenden Ausgabe von Flüssigkeit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282510A (en) * 1964-07-06 1966-11-01 Deena S Strauss Aerosol spray device
EP0037035A1 (en) * 1980-03-31 1981-10-07 Canyon Corporation Air-pressurized sprayer
EP0075224A2 (en) * 1981-09-17 1983-03-30 Canyon Corporation Dispenser with an air pump mechanism
US4537334A (en) * 1983-07-18 1985-08-27 Tolco Corporation Portable pressure sprayer
DE4217865A1 (de) * 1991-06-26 1993-01-07 Schuckmann Alfred Von Behaelter zur verspruehenden ausgabe von fluessigkeit

Also Published As

Publication number Publication date
US5431312A (en) 1995-07-11
DE9309443U1 (de) 1994-11-03
CA2126725A1 (en) 1994-12-26
TW274074B (cs) 1996-04-11
CN1100380A (zh) 1995-03-22
MY130062A (en) 2007-05-31
JPH0769361A (ja) 1995-03-14

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