Device for the activation of perborate in washing machines

Details Device for the activation of perborate in washing machines Device for the activation of perborate in washing machines

1989-07-21

1991-12-03

Stinson, Frankie L.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

68 17R, 68207, D06F 3902

Patent

active

050689371

ABSTRACT:
This invention relates to a device for the activation of perborate in washing machines, said device comprising a cup (2, 8) for activating perborate which is fed by a perborate metering device (1) or may also lack such device, and is connected to the washing tub (6) through a conduit (7) and is supplied with water through the conduit (9) for the supply of water from the water main, or a conduit (18) arranged as a by-pass in said conduit that supplies water from the water main, or through a conduit (19) connected to the bottom of the washing tub (6); said device also comprising an electric resistance (3) for heating water contained in said cup (2, 8) or at a point upstream said cup, and means (4) that detect the temperature inside said cup (2, 8).

REFERENCES:
patent: 3095463 (1963-06-01), Chang et al.
patent: 3257030 (1966-06-01), Vaughn et al.
patent: 3804297 (1974-04-01), Jurjans
patent: 4402197 (1983-09-01), Groult et al.
patent: 4434629 (1984-03-01), Biancai et al.
patent: 4463582 (1984-08-01), Saalmann et al.
patent: 4481086 (1984-11-01), Bianchi et al.
patent: 4489574 (1984-12-01), Spendel
patent: 4858449 (1989-08-01), Lehn

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