EP0535126B1 - Apparatus for filling depressure-resistant containers with liquids - Google Patents

Apparatus for filling depressure-resistant containers with liquids Download PDF

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Publication number
EP0535126B1
EP0535126B1 EP91912187A EP91912187A EP0535126B1 EP 0535126 B1 EP0535126 B1 EP 0535126B1 EP 91912187 A EP91912187 A EP 91912187A EP 91912187 A EP91912187 A EP 91912187A EP 0535126 B1 EP0535126 B1 EP 0535126B1
Authority
EP
European Patent Office
Prior art keywords
reservoir
sheath
tubular body
column
inlet
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
EP91912187A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0535126A1 (en
Inventor
Valentino Tenco
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.)
WEIN, GUENTHER
Original Assignee
Wein Guenther
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 Wein Guenther filed Critical Wein Guenther
Publication of EP0535126A1 publication Critical patent/EP0535126A1/en
Application granted granted Critical
Publication of EP0535126B1 publication Critical patent/EP0535126B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/16—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using suction

Definitions

  • the present invention relates to an apparatus for filling depressure-resistant containers with liquids of any kind and of any density, according to the preamble of claim 1.
  • US-A-3 175 591 discloses at fig. 5 a dispensing nozzle which, although it avoids said dripping, has the disadvantage of permitting the suction of liquid from the liquid orifice to the vacuum passageway through the interspace between the inner and outer tubular conduits of the nozzle when the nozzle is closed (i.e. when the outer conduit rests against the lower sealing ring). Neither this nozzle avoids the loss of depressure in the suction circuit during the substitution of the bottle.
  • the purpose of the present invention is therefore to avoid the above mentioned disadvantages and to provide an improved apparatus to fill depressure-resistant vessels which permits the decanting of liquids regardless of the position of the container from which the liquid has to be drawn.
  • Principal object of the invention is the provision of a novel apparatus to fill depressure-resistant vessels which:
  • GB-A-643 461 shows an automatic filling machine for bottling liquids for industrial use.
  • the dispensing nozzle is disconnected from the vacuum source and put into communication with the outer atmosphere.
  • the apparatus for filling depressure-resistant containers with liquids comprises a supporting structure 1 having a base 2.
  • the base 2 includes a substantially flat portion 3 which forms a supporting surface for the container to be filled (for example a bottle).
  • the base 2 furthermore defines a body 5 which supports a reservoir 6 in the form of a cylinder closed and sealed at its top by a removable cover 7.
  • the cover 7 is provided with an air venting valve having a sealing gasket, the valve being operatively connected to a float situated inside the reservoir 6.
  • the interior of the reservoir 6 is connected via a conduit 11 with an aspirating pump 12 which is preferably housed inside the body 5 and via a conduit 15 to a dispensing nozzle 20.
  • Pump 12 is provided with an intake and a discharge valve, and is preferably a piston pump.
  • the dispensing nozzle 20 may be sealingly inserted into the container (bottle, can, jar etc.) to be filled 4, as hereafter described.
  • the dispensing nozzle 20 is pivotally mounted on a first end of an arm 21, the second end of the arm 21 being pivotally mounted on the top extremity of a column 22.
  • the column 22 is supported by the base 2 and its height is adjustable.
  • Elastic means 23 are provided to push the dispensing nozzle 20 against the opening of the container to be filled 4. These elastic means may be constituted by a spring connected between the arm 21 and the column 22.
  • Column 22 fits telescopically in a block 24 provided on the base 2 and carries a rack 25 which engages a first cogged part 26 of an actuating knob 27 so that the height of the column 22 can be adjusted by rotating the knob 27.
  • the knob 27 is further provided with a second cogged part 28 which can be engaged into a corresponding cogged part 29 inside the block 24 by axially pushing the knob 27 toward the block 24. In this position the knob 27 is thus locked against rotation. By pulling the knob 27 in the opposite direction the cogged parts 28 and 29 disconnect from each other and the knob 27 becomes free for rotation.
  • the dispensing nozzle 20 has a tubular body 30 provided at one extremity with an inlet 31 connected through a conduit 32 to the container to be emptied.
  • the other extremity of the tubular body 30 is provided with a lateral delivery outlet 33.
  • An aspiration conduit 35 is provided inside the tubular body 30.
  • the upper extremity of the aspiration conduit 35 communicates with the reservoir 6 through the conduit 15 and the lower extremity sealingly penetrates into an axial bore of a cap 36.
  • the cap 36 is partially insertable into the lower end opening of the tubular body 30 and sealingly closes this opening while the passageway through the lateral outlet 33 remains free.
  • the cap 36 is further provided at its part protruding out of the body 30 with a radial bore 37 which communicates with the conduit 35 and defines an aspiration inlet.
  • a tubular sealing sheath 40 is slidably fitted on the tubular body 30.
  • the sheath 40 has a frustum-conical portion 41 provided with a frustum-conical sealing gasket 42 to seal against the opening of the container to be filled 4.
  • a biasing spring 45 is inserted around the body 30 between the upper base of the frustum-conical portion 41 and the radial surface of a recess provided in a ring 46 screwed on a thread 49 provided on the upper part of body 30. The spring 45 pushes the sheath 40 downwards and its tension may be adjusted by screwing and unscrewing the ring 46.
  • the cap 36 carries two sealing rings 50 and 51 respectively above and below the aspiration inlet 37 to seal it off when the sheath 40 is slid downwards, such that no communication is possible between the inlet 37, the delivery outlet 33 and the outside.
  • a third sealing ring 52 is provided between the outer surface of the body 30 and the inner surface of the sheath 40 in order to avoid the passage of air between said surfaces.
  • the third sealing ring is axially fixed in the sheath 40 with a tightening nut 52 at a height corresponding to the frustum-conical part 41.
  • the operation of the described apparatus is as follows: firstly the conduit 32 is put into the container to be emptied and, after having connected the reservoir 6 with the suction pump and the dispensing nozzle 20, the suction pump is switched on. The pump aspirates the air from the reservoir 6 thus causing depression inside it.
  • the sheath 40 closes both the suction inlet 37 and the delivery outlet 33 and the depression generated by the suction pump reaches a constant level.
  • the dispensing nozzle 20 After having positioned the column 22 at the desired height, the dispensing nozzle 20 is inserted into the neck of the bottle 4.
  • the sheath 40 slides upwardly while the spring 45 pushes it toward the neck of the bottle, so that the frustum-conical part 41 seals against the opening of the bottle.
  • the sheath 40 In sliding upwards the sheath 40 exposes the suction inlet 37 and the delivery outlet 33 so that the liquid is sucked into the bottle by the depression generated in the bottle through the aspiration conduits. The liquid flows directly from the container to the bottle.
  • the filling of the bottle stops when the liquid inside the bottle 4 reaches the suction inlet 37. At this stage part of the liquid is aspirated and drips into the reservoir 6 thus indicating that the filling operation is completed. Without switching off the suction pump, the bottle or container 4 is then removed from the dispensing nozzle 20. This causes the sheath 40 to slide downwards driven by the spring 45 and to seal firstly the outlet 33 and then the inlet 37, so that the condition of depression in the reservoir 6 remains unalterated and the apparatus is immediately ready for further filling operations.
  • the sealing of the delivery outlet by the sheath 40 avoids the back-flow of liquid from the bottle 4 to the container to be emptied, so that the liquid remaining in the latter is not made turbid by incidental eddies.
  • the liquid dripped inside the reservoir 6 exceeds a predetermined level, then it lifts the float 10 thus activating the valve 8, which consequently opens to the atmosphere.
  • the incoming air removes the depression from inside the reservoir 6 and the suction ducts, thus avoiding further aspiration of liquid which could reach the pump and damage it.
  • the particular structure of the dispensing nozzle provided with a sheath sealingly closing both the suction inlet and the delivery outlet when the container to be filled has been removed enables the depression to be maintained also during the waiting periods and renders the use of the apparatus particularly quick and efficient.
  • the elimination of the dripping of liquid during the waiting periods and the ability to fill the bottles always to the same predetermined level are also important advantages.

Landscapes

  • Basic Packing Technique (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
EP91912187A 1990-06-29 1991-06-27 Apparatus for filling depressure-resistant containers with liquids Expired - Lifetime EP0535126B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT2082090 1990-06-29
IT02082090A IT1249032B (it) 1990-06-29 1990-06-29 Apparecchiatura per il riempimento con liquidi in genere di recipienti resistenti alla depressione
PCT/EP1991/001205 WO1992000239A1 (en) 1990-06-29 1991-06-27 Apparatus for filling depressure-resistant containers with liquids

Publications (2)

Publication Number Publication Date
EP0535126A1 EP0535126A1 (en) 1993-04-07
EP0535126B1 true EP0535126B1 (en) 1994-11-09

Family

ID=11172544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91912187A Expired - Lifetime EP0535126B1 (en) 1990-06-29 1991-06-27 Apparatus for filling depressure-resistant containers with liquids

Country Status (8)

Country Link
EP (1) EP0535126B1 (enrdf_load_stackoverflow)
AT (1) ATE113927T1 (enrdf_load_stackoverflow)
AU (1) AU8054991A (enrdf_load_stackoverflow)
DE (1) DE69105136T2 (enrdf_load_stackoverflow)
ES (1) ES2067943T3 (enrdf_load_stackoverflow)
HU (1) HU215019B (enrdf_load_stackoverflow)
IT (1) IT1249032B (enrdf_load_stackoverflow)
WO (1) WO1992000239A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2681043B1 (fr) * 1991-09-09 1995-06-23 Kaeser Charles Dispositif de mise sous pression d'une boite d'aerosol et boite d'aerosol adaptee a ce dispositif.
AUPM819394A0 (en) * 1994-09-15 1994-10-13 Northfield Laboratories Pty Ltd Container

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR819172A (fr) * 1936-06-16 1937-10-12 Tireuse pour liquides
GB643461A (en) * 1943-08-14 1950-09-20 Paul Louis Chelle Improvements in automatic filling machines for bottling liquids by vacuum
US2639077A (en) * 1949-12-08 1953-05-19 U S Bottlers Machinery Company Vacuum filling stem
DE1040403B (de) * 1955-05-21 1958-10-02 Artur Gantner Vorrichtung zum Fuellen von Gefaessen mit Fluessigkeiten unter Anwendung von Unterdruck

Also Published As

Publication number Publication date
IT1249032B (it) 1995-02-11
HUT67671A (en) 1995-04-28
ES2067943T3 (es) 1995-04-01
AU8054991A (en) 1992-01-23
DE69105136T2 (de) 1996-01-18
IT9020820A1 (it) 1991-12-29
WO1992000239A1 (en) 1992-01-09
EP0535126A1 (en) 1993-04-07
DE69105136D1 (de) 1994-12-15
HU215019B (hu) 1998-08-28
ATE113927T1 (de) 1994-11-15
IT9020820A0 (enrdf_load_stackoverflow) 1990-06-29

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