Automatic washing machine for textiles having separate containers for washing substances, meters and common pre-mix channel for metered substances

US4188807A · kind A · utility

Assignee

• Bosch-Siemens Hausgeraete GmbH

Inventors

• Richard Graf · Berlin, DE
• Lieselotte Brodzina · Berlin, DE
• Rudolf Strobele
• Helmut Stache · Marl, DE

Key dates

• Filing date: Jun 9, 1978
• Grant date: Feb 19, 1980
• Expiry date: Jun 9, 1998

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06L4/75
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Washing process for textiles in an automatic washing machine, with application of active washing substances, structural substances and bleaching agents, involving loading of the textiles in the washing machine, adding water, agitating the textiles in the washing solution, pumping off the washing solution, and sequential rinse cycles, wherein the following active substances or combination of active substances are maintained in pumpable form in separate containers and added to the mixture in pumpable form before or during the washing process: PA1 1. Active washing substances, PA1 2. Structural substances, PA1 3. A stabilized bleaching agent, if required, PA1 4. A catalyst which accelerates the bleaching process, if required, and PA1 5. A soft rinse agent, if required. After loading of the textiles to be laundered, the water is added in the ratio of 1:4 to 1:30 of kg. dry textile to liters water, 0.5 to 3.5 g of active washing substances per liter washing mixture are added, 2 to 6.5 g structural substances per liter washing mixture are added, washing carried out at a predetermined temperature with agitation for a period up to 50 minutes, the washing solution drained off and the washed…