Title:
METHOD OF CLEANING AIR SUPPLY SYSTEMS AND DUCTS
United States Patent 3485671
Inventors:
Stephens, George R.
Publication Date:
12/23/1969
Export Citation:
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Assignee:
FOOD PRODUCTS INC
Primary Class:
134/7
Other Classes:
15/3.5, 15/301, 15/302, 15/304, 15/353, 55/315, 55/342, 55/361, 55/429, 55/459.1, 55/521, 55/DIG.12, 134/8, 134/21, 451/76, 451/88
International Classes:
A47L7/00; B24C3/32; A47L7/00; B24C3/00; (IPC1-7): B08B9/06; B08B5/02
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US Patent References:
3090166Polishing method and device
3033711Carbo-blast method and unit
2972502Projection-type cleaning apparatus
2948092Method for cleaning jet and gas turbine engines
2627149Method of cleaning deposits of soot and the like from passages
2622047Ligno-cellulose aggregate and blast cleaning process employing the same
2426072Blast cleaning
2367918Fireproofing grease ducts
2087694Cleaning pipe




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