Automatic dispensing device for laundry detergent composition with intermediate chamber

a technology of automatic dispensing device and laundry detergent, which is applied in the direction of other washing machines, textiles and papermaking, household cleaners, etc., can solve the problems of complex manufacturing process, unit dose detergents do not allow for variations in dosing, and complex manufacturing process

Inactive Publication Date: 2006-12-07
UNILEVER HOME & PERSONAL CARE USA DIV OF CONOPCO IN C
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014] The following detailed description and the drawings illustrate some of the effects of the inventive compositions. The invention and the claims, however, are not limited to the following description and drawings.

Problems solved by technology

The unit dose forms, however, involve complexities in manufacture.
Furthermore, unit dose detergents do not allow for variations in dosing, depending on water fill level in the machine.

Method used

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  • Automatic dispensing device for laundry detergent composition with intermediate chamber
  • Automatic dispensing device for laundry detergent composition with intermediate chamber
  • Automatic dispensing device for laundry detergent composition with intermediate chamber

Examples

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Embodiment Construction

[0027] Except in the operating and comparative examples, or where otherwise explicitly indicated, all numbers in this description indicating amounts of material or conditions of reaction, physical properties of materials and / or use are to be understood as modified by the word “about.”

[0028] It should be noted that in specifying any range of time or physical conditions, any particular upper limit can be associated with any particular lower limit.

[0029] For the avoidance of doubt the word “comprising” is intended to mean “including” but not necessarily “consisting of” or “composed of.” In other words, the listed steps or options or components need not be exhaustive.

[0030]“Liquid” as used herein means that a continuous phase or predominant part of the composition is liquid and that a composition is flowable at 20° C. Solids (e.g., suspended or other) may be included. Gels and pastes are included within the liquids as used herein.

[0031]“Venturi tube” as used herein means a pipe with ...

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Abstract

A non-intrusive device for automatically dispensing at least one liquid laundry care composition to an automatic laundry washing machine. The device employs a Venturi tube mechanism or a pump to dose the laundry detergent care composition. The dosing is either manually controlled or controlled by a machine-generic algorithm capable of determining the actual cycle at any duration of wash for various cycle designs from various washing machines, without the input of precise cycle design; and dose the correct products correctly and is capable of distinguishing between major water addition and a water pulse.

Description

FIELD OF THE INVENTION [0001] Automatic dispensing device, with a choice of automatic, electronically-controlled dosing or manual dosing, for dispensing laundry care composition into an automatic laundry washing machine, and methods for use thereof. BACKGROUND OF THE INVENTION [0002] Detergent compositions are provided in many forms, of which granular and liquid compositions are the most prevalent. More recently, unit dose forms of detergent have been proposed in the form of compressed tablets of detergent powder or water-soluble packages, which are consumed during a single cleaning application. The unit dose forms are preferred by some consumers, in that the dose is pre-measured and, consequently, the unit dose form is faster, easier and less messy to use. The unit dose forms, however, involve complexities in manufacture. Furthermore, unit dose detergents do not allow for variations in dosing, depending on water fill level in the machine. [0003] Various devices for delivering ingre...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): D06F35/00
CPCA47L15/4427D06F39/022A47L15/4472A47L15/4454D06F33/37D06F34/08D06F2103/22D06F2105/58
Inventor HSU, FENG-LUNG GORDONPUVVADA, SUDHAKARMOLE, VINCENT CHARLES
Owner UNILEVER HOME & PERSONAL CARE USA DIV OF CONOPCO IN C
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