Patent US5273186A successfully refreshed from Google Patents.
US5273186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing device for liquid detergent
Assignee: Unilever Patent Holdings BV
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Filing: 1992-07-02
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Granted: 1993-12-28
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Expires: 2012-07-02
Abstract
Abstract There is provided a rechargeable dispenser device for a liquid detergent product, comprising a removable cartridge (1) and a housing which is provided with a dosing chamber (6) coupled to a pump (7) which is manually movable by way of a rack and pinion system (12) and the stroke of which can be adjusted, whereby the size and shape of the cartridge (1) are such that a pouch containing the liquid detergent product can be fixed into it and that the cartridge with pouch can be tightly fixed in the housing so as to ensure an open but non-leaking connection between the detergent in the pouch and the dosing chamber, by way of an output nozzle of the pouch. This dispenser is particularly useful for accurately dosing concentrated liquid detergent products intended for hard surface cleaning, for instance in excess water.
Inventors
- 👤 Fredi Widmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:45
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/02; B67D7/0205; G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/025
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
134 words
A dispensing device for a liquid detergent product comprising: a removable cartridge; a pouch containing the liquid detergent product being coupled to said cartridge; and a housing assembly, said housing assembly including: surfaces defining a dosing chamber; an output nozzle coupled to at least one said surface defining said dosing chamber; a pump cooperating with said dosing chamber; a rack and pinion system operatively coupled to said pump; and a handle member operatively coupled to said rack and pinion system; said cartridge, with said pouch coupled thereto, being sealingly fixed within said housing so that the liquid detergent product in said pouch communicates with said dosing chamber, movement of sand handle member moving said rack and pinion system and thus operating said pump to a dispense the liquid detergent product from said output nozzle.
Claim 2
Dependent Claim
134 words
A dispensing device for a liquid detergent product comprising: a removable cartridge; a pouch containing the liquid detergent product being coupled to said cartridge; and a housing assembly, said housing assembly including: surfaces defining a dosing chamber; an output nozzle coupled to at least one said surface defining said dosing chamber; a pump cooperating with said dosing chamber; a rack and pinion system operatively coupled to said pump; and a handle member operatively coupled to said rack and pinion system; said cartridge, with said pouch coupled thereto, being sealingly fixed within said housing so that the liquid detergent product in said pouch communicates with said dosing chamber, movement of sand handle member moving said rack and pinion system and thus operating said pump to a dispense the liquid detergent product from said output nozzle.
Claim 3
Dependent Claim
35 words
Dispenser device according to claim 1 wherein the cartridge contains two similar parts which are shaped such that said pouch, adapted to the internal shape of the cartridge, can be tightly fixed between said parts.
Claim 4
Dependent Claim
30 words
Dispenser device according to claim 1 wherein the housing and the cartridge contain elements so as to provide a quick and tight snapping fixation between the cartridge and the housing.
Claim 5
Dependent Claim
40 words
Dispenser device according to claim 1 wherein the housing is provided with a hollow needle which is situated such that a membrane of the pouch is pierced thereby when the cartridge with the pouch is tightly fixed into the housing.
Claim 6
Dependent Claim
23 words
Dispenser device according to claim 1 wherein the device is portable and the cartridge is provided with a handle for carrying the device.
Claim 7
Dependent Claim
51 words
Dispenser device according to claim 1 wherein the pump is a piston pump provided with a stop element which cooperates with a rod carrying the piston, the stop element being adjustable in the axis direction of the piston pump between predetermined limits so as to adjust a stroke of the piston.
Claim 8
Dependent Claim
31 words
Dispenser device according to claim 6, wherein the stop element is connected with means for indicating a value of an amount of detergent product to be dispensed from the dosing chamber.
Claim 9
Dependent Claim
20 words
Dispenser device according to claim 6, wherein a volume of the dosing chamber is adjustable between 5 and 100 ml.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-12-27 | 1997-06-28 | 1997-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-12-27 | 2001-06-28 | 2001-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-12-27 | 2005-06-28 | 2005-12-28 | $7700.00 | Window Closed / Lapsed |