EP0520285B1 - Behälter zur versprühenden Ausgabe von Flüssigkeit - Google Patents

Behälter zur versprühenden Ausgabe von Flüssigkeit Download PDF

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Publication number
EP0520285B1
EP0520285B1 EP92110091A EP92110091A EP0520285B1 EP 0520285 B1 EP0520285 B1 EP 0520285B1 EP 92110091 A EP92110091 A EP 92110091A EP 92110091 A EP92110091 A EP 92110091A EP 0520285 B1 EP0520285 B1 EP 0520285B1
Authority
EP
European Patent Office
Prior art keywords
pump
container
container according
piston rod
piston
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
EP92110091A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0520285A1 (de
Inventor
Alfred Von Schuckmann
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
Priority to AT92110091T priority Critical patent/ATE99995T1/de
Publication of EP0520285A1 publication Critical patent/EP0520285A1/de
Application granted granted Critical
Publication of EP0520285B1 publication Critical patent/EP0520285B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • 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 the spraying of liquid, with a spray nozzle arranged on the top 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.
  • Dispensers of this type largely replace the spray devices which use environmentally harmful propellants.
  • Such a device which is a prerequisite in the genus, is known, for example, from US Pat. No. 3,955,720, FIG. 12.
  • the handle of the pump can be locked in the basic position on the container.
  • the top or top surface of the container has a recess with a locking groove formed on the inside.
  • the plate-like edge of the handle engages in the latter. This measure prevents a residual pressure remaining in the pump from lifting the pump handle from the basic position into an indefinable projection position.
  • the object of the present invention is to provide a generic dispenser which is more economical in terms of use and handling, while avoiding the disadvantage of piston springback shown.
  • a generic container for the spraying dispensing of liquid of increased utility value is created.
  • the pump cylinder forms at the lower end a pressure relief opening which can be traversed by the sealing surface of a sleeve forming the pump piston and which, when the pump piston is pressed in, is in flow connection with an open tubular cross section of the piston rod.
  • the relaxation takes place behind the back of the piston body via the tube cross-section of the piston rod.
  • the corresponding pressure reduction happens suddenly. There is no need for any special locking means that make the system more expensive.
  • the operating handle still maintains its basic position using the frictional forces.
  • the sleeve is clipped onto a central mandrel of the piston rod and a mushroom-shaped clip projection of the mandrel extends into the cup cavity of the sleeve and has incisions extending to the mandrel jacket which are in flow connection with a passage.
  • a cladding tube is plugged onto the pump cylinder, which is in the clip position to the pump cylinder and forms the bottom of the pump cylinder. This makes a separate floor-forming component unnecessary.
  • the cap base has an opening for passage of the intake air through the tubular piston rod.
  • the design is characterized by an assignment of the sleeve arranged at the end of the piston rod with a central passage such that it forms a sealing surface of an air inlet valve due to relative displacement to the piston rod, the associated valve seat surface being formed by an annular rib of the piston rod, the annular rib diameter of which is larger as the central passage.
  • the piston body also forms a valve body.
  • the relative displacement consists of an axial displacement and that the cup base of the cup-shaped sleeve closes at least one inlet valve passage hole in the bottom region of the piston rod.
  • the air outlet opening of the air duct is closed by an outlet valve arranged directly below the container ceiling.
  • the spatial shape of the cladding tube is optimally used and the outlet valve is designed in such a way that it can be plugged onto the cladding tube as a jacket body.
  • a useful further measure consists in the fact that the casing body has a fastening collar which is clamped between a screw socket forming the single pump hole and a pump holding cap screwed onto it.
  • the fastening collar also serves as a sealing ring between the parts mentioned.
  • the underlying elasticity or flexibility of the material enables the development that the jacket body runs into a valve lip comparable to a bicycle valve.
  • valve lip overlaps the air outlet opening. It also proves to be advantageous for the pump handle to overlap the pump holding cap. Such a solution is particularly space-saving and also has a stabilizing effect With regard to the actual gripping zone of the handle.
  • the pump handle and / or spray nozzle each sit for individual holes which can be used as filling openings and which lie approximately in the centers of the narrow-sided curves of the container which is elongate in cross section.
  • the identically designed individual holes allow an optional, ie assembly.
  • the pump that has the handle can be assigned, which, whatever the individual hole in front of the mounting head, always fits. The same applies to the spray nozzle.
  • the initial equipment creates a means of differentiation for the exact alignment of the other individual hole with the filling head.
  • the missing functional part is then assigned. It is even possible to use both individual holes as filling openings at the same time. Minimal cycle times can therefore be achieved on the filling line. Characterized in that the individual holes are approximately in the centers of narrow-sided curves of the container with an elongated cross section, the transport path can even be shortened, since the individual holes used as filling openings can be aligned transversely to the transport direction. If, on the other hand, the more favorable orientation is to be used for equipping with the functional parts, it is advisable to move the container towards its longer side in order to give the gripping tools etc. the necessary environment.
  • the said cross-sectional shape is more favorable than the cylindrical one, since the corresponding cross-section acts as an advantageous rotation lock both when filling for the first time and when it is filled later. It is not necessary to apply such high holding forces as, for example, a cylindrical or rotationally symmetrical container. It is also better in the hand.
  • the position of the individual holes in the vicinity of the narrow curves corresponds to an extremely sensible placement: on the one hand the greatest possible distance of the functional parts from one another, on the other hand concentrated, clearly arranged arrangement of these functional parts when in use. Since the individual holes are made on the container itself, it can be created as a blow container.
  • the pump handle and spray nozzle each be equipped with a head part that interchangeably fits both individual holes.
  • a head part can advantageously be formed as an integral element of the respective functional part, for example in the form of a screw ring, a screw cap or the like.
  • the container-side assignment measure is then solved in an equally advantageous manner in that screw-type connections extend upward from the ceiling.
  • the corresponding polydirectionality of wall sections leads, despite the thinnest possible wall thickness, to a highly stable assignment basis. Loads resulting from the pumping movement are also better absorbed.
  • the procedure is such that the pump handle is designed as a cap which can be rotated with the pump piston rod and which has a hollow opening which is open at the bottom for reaching over the spray nozzle.
  • the practically equal neighborhood position and the eccentric assignment of the pump piston rod, which now also forms an axis of rotation even prove to be measures of their own importance, since they form a rotation lock in the length-reduced end position.
  • the form-fitting overlap avoids any rotation in this position.
  • the canopy can be brought into a cantilevered gripping position that facilitates pump actuation, similar to a hook grip on a walking stick.
  • the base surface of the cap is geometrically similar to the top surface of the container. Such a cap fits well in the hand in accordance with the selected cross-sectional shape of the container.
  • the container 1 to be used as the dispenser Sp is set up for the spraying dispensing of liquid 2.
  • it has a functional unit called a spray nozzle D and a functional unit called a pump P. Both are accessible for actuation above a head surface 3 of the container 1, which is surmounted by a head part 4 of the nozzle D and a head part 5 of the pump P.
  • the container 1 is realized as a blow container. Starting from the head part 5, a pump cylinder 6 extends into the interior of the container 1 almost to the bottom 1 '. The bottom 1' is split, so that the impression of a kind of double bottle is created.
  • a riser pipe 7 extends from the head piece 4 of the nozzle D and runs parallel to the pump P.
  • the height of the screw socket 11 corresponds approximately to half the inside diameter of the individual holes 10.
  • the individual holes 10 lie approximately in the centers x and x of convex curves 12 on the narrow side of the container 1 with an elongated cross section.
  • Reference is made particularly to FIG. It can also be seen there that it is an elliptical cross section, the broad, convex curves of which are designated by 13. Of course, it could also be an oval. Even a weakly concave dent of the broad curves 13 would still fall under the character of the flat body of the container 1.
  • the design-identical area of the individual holes 10 allows an optional assignment of the pump P or the spray nozzle D, so that when the one individual hole 10 is initially occupied, the other individual hole then functions as a filling opening and vice versa, whereby clear orientation features are already given by the corresponding first stock, whereby the filling opening can be positioned exactly in the filling line.
  • both individual holes 10 can also act as filling openings at the same time, with corresponding subsequent assignment of the function units.
  • FIG. 1 the spray nozzle D is on the left side and in the other figure mentioned on the right side.
  • the visible part of the functional unit pump P is its pump handle 14.
  • the pump handle 14 is designed differently in relation to the two exemplary embodiments shown.
  • the pump handle 14 merges into a cap 15 which overlaps the head piece 5 of the pump P as a protective cap.
  • the head piece 5 is in shape here a pump holding cap, ie a screw cap, which is screwed onto the screw connection 11 there.
  • the cap 15 extends from the upper end of a tubular piston rod 16. It is an integrally formed component of this circular cross-section piston rod 16. It forms a downwardly open cavity 18 which is concentric with the tube cross section 17 of the piston rod 16. The downward-facing edge of the circular cap 15 ends with the piston rod 16 in the basic position directly in front of the head surface 3 of the container 1.
  • the cavity is matched to the conical shape of the head piece 4, so that at Opening the cap 15 gives a practically self-centering effect.
  • the base surface or the edge of the cap 15 assumes an essentially congruent alignment with the top surface 3 of the container 1. In any case, these areas are largely similar in outline.
  • the air pressed into the interior of the container 1 is sucked in via the pipe cross section 17 of the piston rod 16.
  • the bottom of the cap 15 leaves an opening 20 in both exemplary embodiments.
  • the tubular cross section of the piston rod 16 is maintained over almost the entire length thereof, so that the air drawn in from the pump chamber 21 is transferred in the region of the lower end of the pump cylinder 6.
  • a piston sits at the lower end of the piston rod 16.
  • the latter is designed as a sleeve 22.
  • the cuff rim which runs into a sealing lip 23 forms a pot with the opening facing downward.
  • the sealing lip 23 slides over the inner wall surface of the pump cylinder 6.
  • the piston or sleeve 22 also functions as an air inlet valve V1.
  • the piston which is made of flexible or elastic material, is relatively displaceable relative to the piston rod 16. The relative displacement is limited and is designated as clearance y in FIG.
  • the bottom of the frictionally guided piston is supported on its back or on its breast on the piston rod side. As a result, the passage of air is blocked or released.
  • the inlet valve through holes 26 being connected to a central passage 27 in the bottom of the pot.
  • the passage 27 is formed by corresponding play between the sleeve 22 and a centrally located mandrel 28, the latter firmly undersides the bottom region 25 of the piston rod 16 and ends in a mushroom-shaped projection 29.
  • the sleeve 22 is on this mandrel 28 respectively the piston clipped.
  • the upward-facing underside of the mushroom-shaped projection 29 creates the limit stop in this direction for the piston which can be displaced with axial clearance y.
  • the mushroom-shaped projection 29 has notches 30 that extend radially to the mandrel jacket and that open like a notch. In spite of the fact that the lower edge of the clip projection 29 abuts, the path through the pump chamber 21 is always kept open. On the other hand, when it is in contact with the annular rib 24, the blockage of the flow path via the piston already indicated results because the diameter of the cutting-shaped annular rib 24 is larger than the clear diameter of the central passage 27.
  • the piston rod 16 is assigned to the pump cylinder 6 so that it cannot be lost.
  • an all-round stop 31, which interacts with a counter stop 32 of the head piece 5, is located in or near the base region 25 on the jacket wall of the piston rod 16.
  • annular rib 31 which primarily serves as a guide and on the other hand functions as a second locking step. Assigning and pulling out the piston rod 16 requires actuation which is emphasized by the will.
  • the air that has entered the pump chamber 21 via the air inlet valve V1 is demanded starting from the lower end of the pump up to the area of the upper container volume.
  • the pump P has an air outlet opening 33 directly below the container ceiling 9. This air outlet opening 33 is checked.
  • An air outlet valve V2 is used for this.
  • An air duct 34 creates the connection between the lower end of the pump P and said air outlet opening. This is formed by a vertically longitudinal groove in the jacket wall of the tubular pump cylinder 6.
  • the peripheral closure of the air duct 34 is provided by a cladding tube 35 which fits snugly on the pump cylinder 6.
  • the latter is practically cup-shaped and forms the lower end of the pump chamber 21 with its base 36 37 in a corresponding groove on the outer surface of the pump cylinder 6 occurs.
  • the clip projection 37 lies in a groove 38 created as a result of the indentation of the base 36.
  • the latter has a vertical transverse slot in an extension directed downward, which at the same time is open towards the pump chamber 21 with the formation of a pressure relief opening 39.
  • a pressure relief opening 39 As soon as the sleeve 22 or the piston with its sealing lip 23 reaches the pressure relief opening 39, there is a connection to the atmosphere via the back of the piston via inlet valve through holes 26 to the pipe cross section 17, which merges into the opening 20 at the upper end.
  • the already indicated control of the air outlet opening 33 is carried out by a so-called bicycle valve which is connected to the U-shaped return path of the air.
  • It is a tubular body-shaped jacket body 40 made of rubber or similar elastic material, including plastic.
  • the casing body 40 is pushed onto the pump cylinder 6 from below.
  • the jacket body 40 merges into a reduced-thickness valve lip 41.
  • the latter finds its valve seat surface on the outer surface of the cladding tube 35.
  • Its end surface 42 is chamfered on the outside. There is an angle of approx. 45 ° at the base, so that the annular, previously free-standing valve lip 41 can be passed underneath when the pump is installed.
  • the end face 42 ends, as can be seen particularly clearly from FIG.
  • the casing body 40 merges into a fastening collar 44. This lies on the end face of the screw socket 11 of the single hole 10 and at the same time acts there as an annular seal on the screw socket 11.
  • the fastening collar 44 is overlapped by the ring cover of a pump holding cap, which is shaped in the same way as the pump cylinder 6, referred to as the screw cap 45.
  • the thread engagement enables the fastening collar 44 to be firmly clamped in, and thus a good seal between the pump P and the container 1.
  • the spray nozzle D is of classic construction and will only be briefly explained. It consists of a pushbutton 48 actuating a spray valve V3. This continues into a central plunger 49 which is held in the basic position by spring loading.
  • the compression spring loading it bears the reference number 50 and is seated in an insert 51, which forms a spring chamber for the compression spring 50 with its upper section and forms a connection piece for receiving the riser pipe 7 in its lower section.
  • the insert part 51 is clipped into the ceiling of the central perforated screw cap 47. It is a plate-like section which carries a sealing ring 52 on the upper side and clamps it against the underside of the cover of the screw cap 47.
  • the hole edge of the sealing ring 52 lies tightly in front of a transverse channel of the tappet 49, which transverse channel 43 is connected to an outlet channel 54 in the center of the tappet 49. The latter directs the medium to be dispensed to a nozzle 55.
  • the central area below the sealing ring 52 is excluded and is fluidically connected to the compressed air volume of the container 1 via one or more air channels 56.
  • the overcap 19 acting there as a pump handle 14 only needs to be pivoted into the position shown by the dash-dotted line type, in order then to move into the position shown in FIG. 2.
  • the separate overcap bears the reference symbol 19 '.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Nozzles (AREA)
  • Reciprocating Pumps (AREA)
EP92110091A 1991-06-26 1992-06-16 Behälter zur versprühenden Ausgabe von Flüssigkeit Expired - Lifetime EP0520285B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT92110091T ATE99995T1 (de) 1991-06-26 1992-06-16 Behaelter zur verspruehenden ausgabe von fluessigkeit.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4121082 1991-06-26
DE4121082 1991-06-26
DE4217865A DE4217865A1 (de) 1991-06-26 1992-05-29 Behaelter zur verspruehenden ausgabe von fluessigkeit
DE4217865 1992-05-29

Publications (2)

Publication Number Publication Date
EP0520285A1 EP0520285A1 (de) 1992-12-30
EP0520285B1 true EP0520285B1 (de) 1994-01-12

Family

ID=25904928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92110091A Expired - Lifetime EP0520285B1 (de) 1991-06-26 1992-06-16 Behälter zur versprühenden Ausgabe von Flüssigkeit

Country Status (6)

Country Link
EP (1) EP0520285B1 (da)
AT (1) ATE99995T1 (da)
CA (1) CA2072212A1 (da)
DE (2) DE4217865A1 (da)
DK (1) DK0520285T3 (da)
ES (1) ES2048604T3 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9309443U1 (de) * 1993-06-25 1994-11-03 Robert Finke GmbH & Co KG, 57413 Finnentrop Behälter zur Ausgabe von Flüssigkeit
ES2378612B1 (es) * 2012-03-02 2012-09-27 Goizper, S. Coop. Pulverizador de previa presión con válvula antirretorno

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR689468A (fr) * 1929-02-05 1930-09-08 Beaco Ges M B H Appareil pour répandre la cire, l'huile et autres matières de cirage sur le plancher
FR2068114A5 (da) * 1969-11-28 1971-08-20 Berthoud Ets
US3955720A (en) * 1972-11-15 1976-05-11 Malone David C Low pressure dispensing apparatus with air pump
EP0037496B1 (en) * 1980-03-31 1984-06-27 Canyon Corporation Air-pressurized sprayer
JPS6028529Y2 (ja) * 1981-09-17 1985-08-29 キヤニヨン株式会社 蓄圧タイプの噴霧器

Also Published As

Publication number Publication date
ATE99995T1 (de) 1994-01-15
DK0520285T3 (da) 1994-05-30
DE59200041D1 (de) 1994-02-24
CA2072212A1 (en) 1992-12-27
ES2048604T3 (es) 1994-03-16
EP0520285A1 (de) 1992-12-30
DE4217865A1 (de) 1993-01-07

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