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Selective dispensing of laundry additives during automatic machine laundering of fabric

  • US 20040216500A1
  • Filed: 02/12/2004
  • Published: 11/04/2004
  • Est. Priority Date: 02/13/2002
  • Status: Active Grant
First Claim
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1. A system for providing laundry additive material to the water during a cycle of a multiple cycle fabric laundering operation carried out in a drum-containing automatic washing machine, which system comprises:

  • a unit dose package containing a laundry additive material;

    a housing structure into which said additive-containing unit dose package can be inserted, said housing structure being positioned within the drum of said automatic washing machine, said housing structure including a plurality of chambers; and

    a piercing element in said housing for opening said unit dose package;

    wherein the chambers are interconnected and arranged such that during a first spin cycle, the additive flows from said unit dose package to a first chamber and, if the additive is not released from the housing after the first spin cycle, during a second spin cycle the additive flows from the first chamber to a subsequent chamber.

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