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Arno Neef
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10,221. Neef, A. May 11. Hydro - extractors. - A hydro - extractor is provided with scrapers, which are at intervals pressed against the drum, drawn along it, and released. The scrapers n<1> are carried by bars o and arms m, pivoted to pinions h, carried by lugs on the shaft c of the hydro-extractor, and engaging with worms g on a shaft e co-axial with the shaft c and revolving at a different speed. The material may be fed in by an endless-band conveyer r and removed by another t.
GB190810221D1908-05-111908-05-11Improvements in Centrifugal Drying Apparatus.
ExpiredGB190810221A
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