Title: Apparatus for the metered supply of powder to a powder processing unit

Abstract: Powder is fed from a container into a continuous annular groove on a rotating metering plate. A doctor member ensures that the powder is correctly filled into the groove. The powder is then sucked out of the groove after the plate has rotated through a certain angle by a suction device which has a projection extending into the groove.

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Inventors: Nussbaum, Herbert (Geroldswil, CH)

Application Number: 013274
Filing Date: 1979-02-21
Publication_date: 1980-10-14
Assignee: Plasmainvent AG (Zug, CH)
Primary Class(es): 406/52 222/636, 406/135
Other Classes:
US Patent Ref:

2912282	Nov, 1959	Schult	406/52.
2924488	Feb, 1960	Lawver	406/52.
3201001	Aug, 1965	Roberts et al.	406/63.
3804303	Apr, 1974	Fassauer	406/124.
3909068	Sep, 1975	Coucher	406/63.

Other Refs:
Primary Examiner: Reeves, Robert B.
Assistant Examiner: Church, Gene A.
Attorney: Fitzpatrick, Cella, Harper & Scinto