Process for foam-cleaning metal surfaces
First Claim
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1. A PROCESS FOR CLEANING AND DEGREASING METAL SURFACES IN A STREAM OF A FOAM PHASE, WHICH COMPRISING SUSPENDIN SAID SURFACES ABOVE A CLEANING SOLUTION HAVING A TEMPERATURE OR 20-100* C., BUT OUT OF DIRECT CONTACT WITH SAID SOLUTION;
- SAID SOLUTION CONSISTING OF AN AQUEOUS SOLUTION OF DETERGENTS, CONVERTING AT LEAST PART OF SAID SOLUTION INTO A FOAM BY BLOWING FINELY-DIVIDED AIR THROUGH SAID SOLUTION FROM THE BOTTOM, THUS FORMING A STREAM OF A FOAM PHASE, THE FOAM RISING AND FLOWING SAID CONTAINER, SURFACES, FURTHER RISING AND OVERFLOWING SAID CONTAINER, FLOWING DOWNWARD OUTSIDE SAIID CONTAINER AND BREAKING INTO A LIQUID CONDENSATE;
THE CONDENSATE BEING FREED FROM OIL AND IMPURITIES AND RE-USED FOR THE FORMATION OF A NEW FOAM PHASE.
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1 Claim
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1. A PROCESS FOR CLEANING AND DEGREASING METAL SURFACES IN A STREAM OF A FOAM PHASE, WHICH COMPRISING SUSPENDIN SAID SURFACES ABOVE A CLEANING SOLUTION HAVING A TEMPERATURE OR 20-100* C., BUT OUT OF DIRECT CONTACT WITH SAID SOLUTION;
- SAID SOLUTION CONSISTING OF AN AQUEOUS SOLUTION OF DETERGENTS, CONVERTING AT LEAST PART OF SAID SOLUTION INTO A FOAM BY BLOWING FINELY-DIVIDED AIR THROUGH SAID SOLUTION FROM THE BOTTOM, THUS FORMING A STREAM OF A FOAM PHASE, THE FOAM RISING AND FLOWING SAID CONTAINER, SURFACES, FURTHER RISING AND OVERFLOWING SAID CONTAINER, FLOWING DOWNWARD OUTSIDE SAIID CONTAINER AND BREAKING INTO A LIQUID CONDENSATE;
THE CONDENSATE BEING FREED FROM OIL AND IMPURITIES AND RE-USED FOR THE FORMATION OF A NEW FOAM PHASE.
- SAID SOLUTION CONSISTING OF AN AQUEOUS SOLUTION OF DETERGENTS, CONVERTING AT LEAST PART OF SAID SOLUTION INTO A FOAM BY BLOWING FINELY-DIVIDED AIR THROUGH SAID SOLUTION FROM THE BOTTOM, THUS FORMING A STREAM OF A FOAM PHASE, THE FOAM RISING AND FLOWING SAID CONTAINER, SURFACES, FURTHER RISING AND OVERFLOWING SAID CONTAINER, FLOWING DOWNWARD OUTSIDE SAIID CONTAINER AND BREAKING INTO A LIQUID CONDENSATE;
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Current AssigneeBruno Blaser, Georg Ziehr, Hans Rogner
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Original AssigneeBruno Blaser, Georg Ziehr, Hans Rogner
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InventorsBlaser, Bruno, HANS ROGNER, GEORG ZIEHR
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Application NumberUS03/856,352Time in Patent Office1,176 DaysField of SearchUS Class Current134/10CPC Class CodesC23G 1/00 Cleaning or pickling metall...
