Brushing – scrubbing – and general cleaning – Machines – Scraping
Patent
1982-09-29
1985-09-10
Simone, Timothy F.
Brushing, scrubbing, and general cleaning
Machines
Scraping
15 56, 1510409, 151041C, B22D 4300
Patent
active
045397252
ABSTRACT:
An improved and simplified device for removal of deposits on furnace walls is disclosed which can be operated by a single individual. The device is characterized by rotating scrapers driven by internally-contained air-powered motors. The horizontally opposed scrapers are journalled on each end to pairs of arms which are connected together at a pivot spaced from the journals. Air cylinders, powered from a common source with the air motors, spread the arms apart simultaneously with activation of the air motors to bring the rotating scrapers in contact with the furnace walls.
REFERENCES:
patent: 3471888 (1969-10-01), Grant et al.
patent: 3487841 (1970-01-01), Goodrum
patent: 3817348 (1974-06-01), Jones
patent: 3992745 (1976-11-01), Laurila
patent: 3996637 (1976-12-01), Shibata et al.
patent: 4110863 (1978-09-01), Fujimori et al.
patent: 4279052 (1981-07-01), Evrard et al.
Alexander Andrew
Aluminum Company of America
Simone Timothy F.
Taylor John P.
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