WO1998034835A2 - Recipient doseur - Google Patents

Recipient doseur Download PDF

Info

Publication number
WO1998034835A2
WO1998034835A2 PCT/GB1998/000400 GB9800400W WO9834835A2 WO 1998034835 A2 WO1998034835 A2 WO 1998034835A2 GB 9800400 W GB9800400 W GB 9800400W WO 9834835 A2 WO9834835 A2 WO 9834835A2
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
vessel
filling
reservoir
transfer
Prior art date
Application number
PCT/GB1998/000400
Other languages
English (en)
Inventor
Robert Martin
John Peacock
David Anthony Armitage
Original Assignee
Agrevo Uk Limited
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 Agrevo Uk Limited filed Critical Agrevo Uk Limited
Priority to AU59993/98A priority Critical patent/AU5999398A/en
Publication of WO1998034835A2 publication Critical patent/WO1998034835A2/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0238—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants utilising compressed air or other gas acting directly or indirectly on liquids in storage containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles

Definitions

  • the invention relates to dosing vessels, and apparatus and methods for filling said vessels with liquid.
  • the invention is generally applicable to all liquids, however it finds particular utility in situations where human exposure to the liquid should be prevented, such as when handling pesticides.
  • a dosing vessel ⁇ comprising, a liquid filling/dispensing opening and a pressure relief/propellant-inlet opening, wherein the vessel is filled with the openings lowermost and liquid is dispensed with the openings uppermost, each opening forming one end of two passageways which extend into said vessel to a point above the maximum liquid height when the vessel is in its filling orientation.
  • the dosing vessel according to the invention can be filled with liquid safely without the user being exposed to the liquid.
  • the vessel is in its filling orientation and liquid is entering the vessel via the filling passageway, the user is not exposed to the liquid.
  • Filling the vessel to a level below the highest point of the pressure relief passageway enables the dosing vessel to be inverted safely to the dispensing orientation without the user coming into contact with the liquid.
  • the vessel can be returned to its filling orientation for refilling, again without the user being exposed to any liquid.
  • the end of the pressure-relief/propellant-inlet passageway inside the vessel is preferably shielded.
  • the passageways extending into the vessel can follow any course which takes them above the maximum liquid height when filling, provided the passageways are self-draining when the vessel is in either the filling or dispensing orientations.
  • the passageways may follow the vessel sides or be central within the vessel.
  • the passageways may either be separate or joined substantially along their length. In a preferred embodiment we have found it convenient to arrange the passageways wherein the liquid filling/dispensing passageway is within the pressure relief/propellant-inlet passageway.
  • passageways should be substantially concentric. This concentric arrangement of passageways facilitates manufacture by requiring a single opening in the vessel wall.
  • the inner liquid filling/dispensing passageway has a flange at the end inside the vessel, which flange extends radially so as to shield the outer pressure-relief/propellant- inlet passageway thereby preventing liquid entering therein during filling.
  • this combination of concentric passageways and flanged inner passageway provides the most efficient arrangement for preventing liquid entering the outer passageway.
  • an apparatus for transfering liquid
  • the apparatus comprising; a vessel as hereinabove described which vessel is in its filling orientation; a reservoir for containing liquid to fill the vessel; a transfer means which includes a conduit and a pump, the conduit being in fluid connection with both the filling/dispensing outlet of the vessel and the liquid in the reservoir; wherein the reservoir is positioned with the surface of the liquid at a lower level than the vessel openings such that following transfer, liquid in the filling/dispensing passage returns by gravity or pumping to the reservoir.
  • the apparatus improves the safety and convenience of the invention by enabling the user to connect the vessel to the transfer means, fill the vessel, and disconnect it after transfer, without exposing the user to the liquid.
  • the apparatus further by providing it with a metering facility thereby enabling the user to fill the dosing vessel with a precise dosing volume of liquid.
  • the transfer means In order to accurately meter the volume transferred we have found it preferable to firstly, position the transfer means below the level Of the vessel openings and above the level of the liquid contained in the reservoir, and secondly, to arrange the transfer means to be self-draining, such that after transfer, liquid contained in the transfer means returns by gravity or pumping to the reservoir.
  • Accurate metering is typically achieved by operating a metering pump either for a predetermined time at a fixed flowrate or for a predetermined number of strokes.
  • metering must account for the volume of air in the transfer means and the filling/dispensing passageway, which varies depending on the height of liquid in the reservoir. Therefore, for accurate metered transfer it is preferable to include the step of reversing the pump prior to transfer, so as to empty the entire conduit of liquid. Metering is adjusted accordingly to fill the conduit and the passageway with liquid.
  • a further preferred embodiment of the invention which comprises; an information storage means attached to the reservoir, which storage means stores information on the liquid contained in the reservoir; an information accessing means for accessing the stored information; a means for inputting a desired volume of liquid to be transferred; and an information updating means for updating information stored in the storage means following transfer of the desired volume of liquid from the reservoir to the dosing vessel.
  • information storage means include devices such as the E ⁇ PROM
  • Figure 1 shows side-sectional views of a dosing vessel in accordance with one aspect the invention.
  • Figure 1 a depicts the vessel in filling orientation and
  • Figure 1 b depicts the vessel in dispensing orientation.
  • Figure 2 shows a side-sectional view of an apparatus in accordance with a second aspect of the invention.
  • dosing vessel 1 in filling orientation ( Figure 1 a) and dispensing orientation ( Figure 1 b).
  • the vessel comprises an elongate body 2 which body has an opening at one end which opening is fitted with a cap 3 which supports two concentric passageways: an inner filling/dispensing passageway 4 and an outer annular pressure relief/propellant-inlet passageway 5.
  • the passageways are located centrally within the vessel and extend towards the opposite end of vessel 1 .
  • the cap has two openings (not shown), one of which is associated with passageway 4 and the other with passageway 5.
  • liquid is passed upwards through inner passageway 4, which is provided with a flange 6 at its most downstream end (when filling).
  • Flange 6 extends radially for a distance sufficient to shield outer passageway 5 from ingress of liquid during the filling process.
  • the outer rim of flange 6 has a skirted portion 7 surrounding the outer passageway, which extends towards cap 3.
  • displaced air passes between the annular space created between skirted portion 7 and the outside of passageway 5 and then through the annular passageway 5.
  • transfer apparatus 8 including transfer means 9 comprising conduits 10a and 10b and pump 1 1 .
  • Vessel 1 is supported in filling orientation above transfer means 9 and connected thereto such that the upper end of conduit
  • Reservoir 12 comprises a cylindrical body 13 having an opening which accommodates a sealing cap 14 which cap supports a dip-tube 1 5 extending to the base of reservoir 1 2.
  • Cap 14 which incorporates an anti-tamper device (not shown), also includes ⁇ coupling device for connecting reservoir 1 2 to transfer means 9 such that the lower end of conduit 10a is in fluid connection with dip-tube 1 5.
  • the apparatus shown in Figure 2 also comprises a computer 1 6 for processing information and controlling liquid transfer.
  • Computer 1 6 receives information from a vessel size- detector 1 7 and also from an information storage means 1 8 attached to reservoir 1 2.
  • computer 1 6 updates storage means 18 following transfer.
  • Computer 1 6 is only able to communicate with storage means 1 8 when sealing cap 14 on reservoir 12 is coupled to transfer means 9.
  • apparatus 8 includes a conduit 19. In the event of overflow, excess liquid flows via pressure relief/propellant inlet passageway 5 and conduit 1 9 to the head space of reservoir 1 2. Conduit 1 9 is vented to atmosphere through filter 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

La présente invention concerne un récipient doseur (1) comprenant une ouverture pour le remplissage/la distribution du liquide et une ouverture pour la libération de pression/l'entrée de propulseur, le récipient étant rempli avec les ouvertures orientées vers le bas et le liquide étant distribué avec les ouvertures orientées vers le haut, chaque ouverture formant une extrémité de deux passages (4 et 5) s'étendant à l'intérieur du récipient jusqu'à un point situé au-dessus de la hauteur maximale du liquide lorsque le récipient se trouve en position de remplissage.
PCT/GB1998/000400 1997-02-11 1998-02-10 Recipient doseur WO1998034835A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU59993/98A AU5999398A (en) 1997-02-11 1998-02-10 Dosing vessel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9702779.1 1997-02-11
GBGB9702779.1A GB9702779D0 (en) 1997-02-11 1997-02-11 Dosing vessel

Publications (1)

Publication Number Publication Date
WO1998034835A2 true WO1998034835A2 (fr) 1998-08-13

Family

ID=10807436

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1998/000400 WO1998034835A2 (fr) 1997-02-11 1998-02-10 Recipient doseur

Country Status (4)

Country Link
AU (1) AU5999398A (fr)
GB (1) GB9702779D0 (fr)
WO (1) WO1998034835A2 (fr)
ZA (1) ZA981066B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2509382A (en) * 2012-11-19 2014-07-02 Castrol Ltd A deflector to obstruct movement of liquid into a valve of a container for a fluid system in a vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014063A2 (fr) 1991-02-01 1992-08-20 The Wellcome Foundation Limited Procede de diffusion et appareil a cet effet

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014063A2 (fr) 1991-02-01 1992-08-20 The Wellcome Foundation Limited Procede de diffusion et appareil a cet effet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2509382A (en) * 2012-11-19 2014-07-02 Castrol Ltd A deflector to obstruct movement of liquid into a valve of a container for a fluid system in a vehicle
GB2509382B (en) * 2012-11-19 2020-06-17 Castrol Ltd Fluid system

Also Published As

Publication number Publication date
AU5999398A (en) 1998-08-26
GB9702779D0 (en) 1997-04-02
ZA981066B (en) 1998-12-02

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