WO2011135336A1 - A liquid delivery system - Google Patents

A liquid delivery system Download PDF

Info

Publication number
WO2011135336A1
WO2011135336A1 PCT/GB2011/050781 GB2011050781W WO2011135336A1 WO 2011135336 A1 WO2011135336 A1 WO 2011135336A1 GB 2011050781 W GB2011050781 W GB 2011050781W WO 2011135336 A1 WO2011135336 A1 WO 2011135336A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
inlet
shroud
recess
base unit
Prior art date
Application number
PCT/GB2011/050781
Other languages
French (fr)
Inventor
Jacobus Simon Petrus Van Diepen
Christopher Leonard Padain
Original Assignee
Reckitt & Colman (Overseas) 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
Priority to CA2797759A priority Critical patent/CA2797759A1/en
Priority to US13/695,247 priority patent/US20130206789A1/en
Priority to CN201180021969.1A priority patent/CN102939036B/en
Priority to KR1020127028524A priority patent/KR101853055B1/en
Priority to MX2012012578A priority patent/MX2012012578A/en
Priority to EP11716999A priority patent/EP2563196A1/en
Application filed by Reckitt & Colman (Overseas) Limited filed Critical Reckitt & Colman (Overseas) Limited
Priority to JP2013506744A priority patent/JP5946824B2/en
Priority to AU2011247082A priority patent/AU2011247082A1/en
Priority to RU2012151305/12A priority patent/RU2557511C2/en
Publication of WO2011135336A1 publication Critical patent/WO2011135336A1/en
Priority to ZA2012/08269A priority patent/ZA201208269B/en
Priority to HK13108084.5A priority patent/HK1180565A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste, or the like
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • A47K5/1217—Electrical control means for the dispensing mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
    • 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
    • B05B9/0403—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 with pumps for liquids or other fluent material
    • B05B9/0426—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 with pumps for liquids or other fluent material with a pump attached to the spray gun or discharge device
    • 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
    • B05B9/043—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 having pump readily separable from container
    • 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
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0855—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven
    • B05B9/0861—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven the motor being electric

Definitions

  • the present invention is directed to a liquid delivery system.
  • the fluid delivery system comprises a base unit into which a refill unit containing the material to be dispensed is fitted in an inverted configuration, namely with its outlet at the lowermost end.
  • the base unit contains a liquid inlet in an upwardly facing surface, a liquid duct leading from the inlet to a liquid outlet above the liquid inlet; a pump for pumping the liquid from the inlet to the outlet; a motor to drive the pump; and a shroud extending upwardly in a manner which surrounds the inlet, the shroud having an upper edge which has a downwardly extending recess for a part of its circumference.
  • a base unit is referred to subsequently as being "of the kind described”.
  • the refill unit In use, the refill unit is provided with a valve at its lowermost end. As the refill unit is fitted into the base, an upwardly projecting spigot surrounding the fluid inlet opens the valve in the refill unit to allow fluid to flow from the refill unit into the base.
  • a liquid delivery system comprising a base unit of the kind described and is characterised by an insert in the recess which forms a liquid-tight seal with the recess and defines, with the shroud, a liquid cavity in communication with the liquid inlet in the base.
  • the insert co-operates with the shroud to define a cavity which is capable of containing liquid. This removes the need for the separate refill unit.
  • the system includes corresponding further inserts dimensioned to fit in the additional recesses or openings.
  • the cavity may be left open to the atmosphere.
  • system may also include a cover to cover the cavity .
  • Fig. 1 is a cross-section through a dispenser having a refill according to GB 0820981.9 which is included for background interest only;
  • Fig. 2 is a cut-away perspective view of the refill of Fig. 1 being introduced into the dispenser but not yet being engaged;
  • Fig. 3 is a rear perspective of a system according to the present invention.
  • Fig. 4 is a front perspective of the dispenser of Fig.
  • the dispenser is a hands-free dispenser which is generally suitable for domestic use.
  • the dispenser is primarily intended to dispense liquid soap, but may also be used to dispense other liquid or semi-liquid products
  • hand cream ideally with a viscosity greater than water
  • hand cream body lotion, moisturiser, face cream, shampoo, shower gel, foaming hand wash, shaving cream, washing up liquid, toothpaste, acne treatment cream, a surface cleaner or a sanitising agent such as alcohol gel.
  • the dispenser comprises two main parts, namely a refill 1 (which is not a part of the present invention) and a base unit 2.
  • the refill 1 provides a reservoir of liquid to be dispensed and is fitted to the base unit 2 as set out below.
  • the base has an interface 3 into which liquid is dispensed from the refill unit.
  • the interface 3 is in fluid communication with a dispensing tube 4.
  • a pump 5 is
  • the base has an infrared transmitter 7A which transmits an infrared beam through a window 8 to a receiver 7B to sense the presence of a user's hands in the vicinity of the dispenser.
  • Control circuitry reacts to a signal from the proximity sensor to activate the pump.
  • the illustrated sensor is a break beam sensor, but may also be a reflective sensor. Although an infrared sensor is shown, any known proximity sensor such as a capacitive sensor may be used.
  • the device may be mains powered or battery powered.
  • the base unit 2 comprises a cowling 10 which surrounds a significant portion of the refill to protect and support it.
  • a spigot 11 projects at the base of the cowling 10 and is sealed to the cowling 10 by an O-ring seal 12.
  • the spigot has a plurality of castellations 13 in its top surface.
  • a second O-ring seal 14 surrounds the spigot 11 beneath the castellations 13.
  • the spigot 11 When the refill 1 is placed into the base unit 2, the spigot 11 enters an annular outlet 15 in the base of the refill 1 against which the O-ring seal 14 seals. The spigot then lifts outlet valve element 16 against the action of resilient biasing member 17 to open a flow path into the base .
  • the cowling 10 has a deep recess
  • this recess is filled with an insert 21 which forms a fluid-tight seal with the recess 20.
  • the insert 21 may have a resilient seal at the part of its perimeter which interfaces with the recess 20. However, it may more simply be made of a one-piece plastic structure which is a close-fit with the recess.
  • the insert can either be designed to slide into the recess from above, or may be clipped into place in a lateral direction.
  • the insert 21 forms a cavity 22 into which a product to be dispensed can be poured as indicated by arrow 23.
  • the depth of the cavity 22 is defined, in this case, by the top of the insert 21.
  • the insert 21 should fill most, if not all, of the recess and may even project above it.
  • the base unit 2 is provided with an aperture 24 which provides a visual indication of the level of the liquid within the base. If such an aperture is present, this also needs to be filled in order to create the chamber 22.
  • an insert 25 in the form of a fluid-tight plug is inserted into this aperture and provides a fluid-tight seal.
  • the insert 25 is transparent to maintain the window onto the liquid level.
  • a cover which covers the top of the cowling 10 and insert 21 may also be provided to prevent the drying out of the liquid to be dispensed and the ingress of unwanted material.

Abstract

A liquid delivery system comprising a base unit (2) comprising a liquid inlet in an upwardly facing surface, a liquid duct leading from the inlet to a liquid outlet above the liquid inlet; a pump for pumping the liquid from the inlet to the outlet; a motor to drive the pump; and a shroud extending upwardly in a manner which surrounds the inlet, the shroud having an upper edge which has a downwardly extending recess (20) for a part of its circumference; characterised by the system further comprising an insert (21) in the recess (20) which forms a liquid-tight seal with the recess (20) and defines, with the shroud, a liquid cavity in communication with the liquid inlet in the base.

Description

A LIQUID DELIVERY SYSTEM
The present invention is directed to a liquid delivery system.
In particular, it is directed to the base unit of the liquid delivery system described in our earlier application GB 0820981.9. The fluid delivery system comprises a base unit into which a refill unit containing the material to be dispensed is fitted in an inverted configuration, namely with its outlet at the lowermost end. The base unit contains a liquid inlet in an upwardly facing surface, a liquid duct leading from the inlet to a liquid outlet above the liquid inlet; a pump for pumping the liquid from the inlet to the outlet; a motor to drive the pump; and a shroud extending upwardly in a manner which surrounds the inlet, the shroud having an upper edge which has a downwardly extending recess for a part of its circumference. Such a base unit is referred to subsequently as being "of the kind described".
In use, the refill unit is provided with a valve at its lowermost end. As the refill unit is fitted into the base, an upwardly projecting spigot surrounding the fluid inlet opens the valve in the refill unit to allow fluid to flow from the refill unit into the base.
The present invention provides an alternative method for refilling the base unit. According to the present invention, a liquid delivery system comprising a base unit of the kind described and is characterised by an insert in the recess which forms a liquid-tight seal with the recess and defines, with the shroud, a liquid cavity in communication with the liquid inlet in the base.
The insert co-operates with the shroud to define a cavity which is capable of containing liquid. This removes the need for the separate refill unit.
Preferably, if the shroud has one or more additional recesses or openings, the system includes corresponding further inserts dimensioned to fit in the additional recesses or openings.
The cavity may be left open to the atmosphere.
However, the system may also include a cover to cover the cavity .
An example of a system in accordance with the present invention will now be described with reference to the accompanying drawings, in which: Fig. 1 is a cross-section through a dispenser having a refill according to GB 0820981.9 which is included for background interest only;
Fig. 2 is a cut-away perspective view of the refill of Fig. 1 being introduced into the dispenser but not yet being engaged;
Fig. 3 is a rear perspective of a system according to the present invention; and Fig. 4 is a front perspective of the dispenser of Fig.
3.
Before describing the present invention, the operation of the dispenser with the refill of GB 0820981.9 will be described for background interest.
The dispenser is a hands-free dispenser which is generally suitable for domestic use. The dispenser is primarily intended to dispense liquid soap, but may also be used to dispense other liquid or semi-liquid products
(ideally with a viscosity greater than water), such as hand cream, body lotion, moisturiser, face cream, shampoo, shower gel, foaming hand wash, shaving cream, washing up liquid, toothpaste, acne treatment cream, a surface cleaner or a sanitising agent such as alcohol gel.
The dispenser comprises two main parts, namely a refill 1 (which is not a part of the present invention) and a base unit 2. The refill 1 provides a reservoir of liquid to be dispensed and is fitted to the base unit 2 as set out below.
The base has an interface 3 into which liquid is dispensed from the refill unit. The interface 3 is in fluid communication with a dispensing tube 4. A pump 5 is
selectively operable to pump a metered dose of the liquid along dispensing tube 4 and out of dispensing head 6.
The base has an infrared transmitter 7A which transmits an infrared beam through a window 8 to a receiver 7B to sense the presence of a user's hands in the vicinity of the dispenser. Control circuitry reacts to a signal from the proximity sensor to activate the pump. The illustrated sensor is a break beam sensor, but may also be a reflective sensor. Although an infrared sensor is shown, any known proximity sensor such as a capacitive sensor may be used. The device may be mains powered or battery powered.
The interface between the refill 1 and base unit 2 will now be described in greater detail with reference to Figs. 2 to 10.
The base unit 2 comprises a cowling 10 which surrounds a significant portion of the refill to protect and support it. A spigot 11 projects at the base of the cowling 10 and is sealed to the cowling 10 by an O-ring seal 12. The spigot has a plurality of castellations 13 in its top surface. A second O-ring seal 14 surrounds the spigot 11 beneath the castellations 13.
When the refill 1 is placed into the base unit 2, the spigot 11 enters an annular outlet 15 in the base of the refill 1 against which the O-ring seal 14 seals. The spigot then lifts outlet valve element 16 against the action of resilient biasing member 17 to open a flow path into the base .
Further operation of the refill 1 will not be described here as the present invention is concerned with an
alternative to the refill 1. As shown in Fig. 3, the cowling 10 has a deep recess
20. According to the present invention, this recess is filled with an insert 21 which forms a fluid-tight seal with the recess 20. The insert 21 may have a resilient seal at the part of its perimeter which interfaces with the recess 20. However, it may more simply be made of a one-piece plastic structure which is a close-fit with the recess. The insert can either be designed to slide into the recess from above, or may be clipped into place in a lateral direction.
The presence of the insert 21 forms a cavity 22 into which a product to be dispensed can be poured as indicated by arrow 23. The depth of the cavity 22 is defined, in this case, by the top of the insert 21. As such, the insert 21 should fill most, if not all, of the recess and may even project above it. As shown in Fig. 4, the base unit 2 is provided with an aperture 24 which provides a visual indication of the level of the liquid within the base. If such an aperture is present, this also needs to be filled in order to create the chamber 22. In this case, an insert 25 in the form of a fluid-tight plug is inserted into this aperture and provides a fluid-tight seal. Ideally, the insert 25 is transparent to maintain the window onto the liquid level.
With the insert 21 and, if necessary, the plug 25 in place, a user simply pours liquid into the chamber 22 and uses the dispenser in the normal manner. A cover which covers the top of the cowling 10 and insert 21 may also be provided to prevent the drying out of the liquid to be dispensed and the ingress of unwanted material.

Claims

CLAIMS : -
1. A liquid delivery system comprising a base unit comprising a liquid inlet in an upwardly facing surface, a liquid duct leading from the inlet to a liquid outlet above the liquid inlet; a pump for pumping the liquid from the inlet to the outlet; a motor to drive the pump; and a shroud extending upwardly in a manner which surrounds the inlet, the shroud having an upper edge which has a downwardly extending recess for a part of its circumference;
characterised by the system further comprising an insert in the recess which forms a liquid-tight seal with the recess and defines, with the shroud, a liquid cavity in
communication with the liquid inlet in the base.
2. A system according to claim 2, wherein the shroud has one or more additional recesses or openings, and the system further comprises corresponding further inserts dimensioned to fit in the additional recesses or openings.
3. A system according to claim 1 or claim 2, further comprising a cover to cover the cavity.
4. A system according to any one of the preceding claims, wherein the base unit further comprises a sensor to sense the presence of an object in the vicinity of the outlet to trigger a dispensing operation.
5. A system according to any one of the preceding claims, wherein the base unit is a free standing unit.
6. A system according to any one of the preceding claims, wherein the base unit contains batteries to power the motor
PCT/GB2011/050781 2010-04-30 2011-04-20 A liquid delivery system WO2011135336A1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US13/695,247 US20130206789A1 (en) 2010-04-30 2011-04-20 Liquid delivery system
CN201180021969.1A CN102939036B (en) 2010-04-30 2011-04-20 Liquid conveying system
KR1020127028524A KR101853055B1 (en) 2010-04-30 2011-04-20 A liquid delivery system
MX2012012578A MX2012012578A (en) 2010-04-30 2011-04-20 A liquid delivery system.
EP11716999A EP2563196A1 (en) 2010-04-30 2011-04-20 A liquid delivery system
CA2797759A CA2797759A1 (en) 2010-04-30 2011-04-20 A liquid delivery system
JP2013506744A JP5946824B2 (en) 2010-04-30 2011-04-20 Liquid delivery system
AU2011247082A AU2011247082A1 (en) 2010-04-30 2011-04-20 A liquid delivery system
RU2012151305/12A RU2557511C2 (en) 2010-04-30 2011-04-20 Fluid feed system
ZA2012/08269A ZA201208269B (en) 2010-04-30 2012-11-05 A liquid delivery system
HK13108084.5A HK1180565A1 (en) 2010-04-30 2013-07-10 A liquid delivery system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1007238.7A GB201007238D0 (en) 2010-04-30 2010-04-30 A liquid delivery system
GB1007238.7 2010-04-30

Publications (1)

Publication Number Publication Date
WO2011135336A1 true WO2011135336A1 (en) 2011-11-03

Family

ID=42289884

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2011/050781 WO2011135336A1 (en) 2010-04-30 2011-04-20 A liquid delivery system

Country Status (14)

Country Link
US (1) US20130206789A1 (en)
EP (1) EP2563196A1 (en)
JP (1) JP5946824B2 (en)
KR (1) KR101853055B1 (en)
CN (1) CN102939036B (en)
AU (1) AU2011247082A1 (en)
CA (1) CA2797759A1 (en)
GB (1) GB201007238D0 (en)
HK (1) HK1180565A1 (en)
MX (1) MX2012012578A (en)
MY (1) MY167517A (en)
RU (1) RU2557511C2 (en)
WO (1) WO2011135336A1 (en)
ZA (1) ZA201208269B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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US9884336B2 (en) 2014-10-10 2018-02-06 The Procter & Gamble Company Multifunctional dispensing device for dispensing fluid compositions
US10568467B2 (en) 2014-10-02 2020-02-25 Conopco, Inc. Liquid dispenser with framed refill receiving bay

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JP2013529477A (en) * 2010-06-10 2013-07-22 ファーン イノヴェイションズ アイピー，エルエルシー Dispensing device and method of use
ITTO20130689A1 (en) * 2013-08-12 2013-11-11 Stan Engineering Corp S R L DISPENSER DEVICE, IN PARTICULAR FOR PASTOSI OR CREMOSI PRODUCTS.
US9532684B2 (en) 2014-01-10 2017-01-03 The Procter & Gamble Company Wet/dry sheet dispenser and method of using
US9504363B2 (en) 2014-06-20 2016-11-29 The Procter & Gamble Company Wet/dry sheet dispenser with dispensing cup
USD771406S1 (en) * 2014-08-07 2016-11-15 Reckitt Benckiser (Brands) Limited Dispensing device
USD765440S1 (en) * 2014-08-07 2016-09-06 Reckitt Benckiser (Brands) Limited Dispensing device with refill cartridge
CN110167517A (en) 2016-10-28 2019-08-23 Rb健康(美国)有限责任公司 Feminine hygiene
TWI741658B (en) * 2018-01-24 2021-10-01 美商伊路米納有限公司 Fluid caching

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10568467B2 (en) 2014-10-02 2020-02-25 Conopco, Inc. Liquid dispenser with framed refill receiving bay
US9884336B2 (en) 2014-10-10 2018-02-06 The Procter & Gamble Company Multifunctional dispensing device for dispensing fluid compositions

Also Published As

Publication number Publication date
CN102939036A (en) 2013-02-20
MX2012012578A (en) 2012-12-17
AU2011247082A1 (en) 2012-11-29
CA2797759A1 (en) 2011-11-03
CN102939036B (en) 2016-04-20
MY167517A (en) 2018-09-04
EP2563196A1 (en) 2013-03-06
RU2012151305A (en) 2014-06-10
ZA201208269B (en) 2014-01-29
US20130206789A1 (en) 2013-08-15
HK1180565A1 (en) 2013-10-25
KR101853055B1 (en) 2018-04-27
RU2557511C2 (en) 2015-07-20
JP5946824B2 (en) 2016-07-06
GB201007238D0 (en) 2010-06-16
JP2013526919A (en) 2013-06-27
KR20130081216A (en) 2013-07-16

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