Metal working – Scale remover or preventor – Scraper or scalper
Patent
1983-07-06
1985-06-18
Parker, Roscoe V.
Metal working
Scale remover or preventor
Scraper or scalper
51176, 125 5, B23D 7902, B24B 718
Patent
active
045233616
ABSTRACT:
A portable surface processing apparatus which has two rotors (R.sub.1, R.sub.2) fitted with blades driven in opposite directions by a motor (M). The reaction forces arising in the processing therefore mutually cancel each other.
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patent: 1648888 (1927-11-01), Aurand
patent: 1758647 (1930-05-01), Burrell et al.
patent: 2525250 (1950-10-01), Westphal
patent: 2621350 (1952-12-01), Bye
patent: 2664281 (1953-12-01), Luksch et al.
patent: 3101524 (1963-08-01), Falls
patent: 3695723 (1972-10-01), Kita et al.
Parker Roscoe V.
Von Arx A.G. Maschinenfabrik
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