×

Metering method for supplying detergent concentrate

  • US 4,486,910 A
  • Filed: 04/23/1982
  • Issued: 12/11/1984
  • Est. Priority Date: 05/13/1981
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for supplying measured amounts of water soluble or water insoluble powdered or granular detergent concentrate to a commercial washing machine or laundry which comprises suspending a delivery container having a pour hole at its bottom above a storage means in a metering device having a rotating disk upon which detergent concentrate from the storage means falls;

  • connecting a substantially dust-tight tubular closable channel from the bottom of said delivery container to the top of said storage means;

    providing detergent concentrate to said delivery container;

    closing and opening said closable channel to cause some or all of said detergent concentrate to move by gravity feed through said pour hole and said channel to said storage means; and

    metering the supply of said detergent concentrate by causing said detergent concentrate to move by gravity feed from said storage means onto the rotating disk and then into a hopper situated below said rotating disk, adding water to said hopper, mixing said detergent concentrate with said water in a predetermined ratio in the mixing means whereby said water acts as a solvent and/or conveying means, and pumping the resulting detergent concentrate-water mixture to the commercial washing machine or laundry, the moving of concentrate by gravity feed, adding of water, and pumping being activated in response to changes in a predetermined value in the electrical conductance of the wash water in the commercial washing machine or laundry.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×