TITLE: Impeller for a radial pump.
European Patent Application EP0241659 A1

ABSTRACT:
An impeller (1) for a radial pump, made of a material which can be cast
or injection-moulded, in particular a polymer, and comprising two discs
(2 and 3) arranged some distance apart and directed essentially
radially, at least in the area of their outside diameter, which are
integrally joined by blades (4), at least one disc (2) being of annular
shape and the other being provided with means for connection of the
impeller (1) to a shaft, can thereby be manufactured in one piece in a
permanent mould without mobile cores so that the annular disc (2) has
an inside diameter which is at least equal to the outside diameter of
the other disc (3).

INVENTORS:
Langhammer, Hans

APPLICATION NUMBER: EP19870101714
PUBLICATION DATE: 10/21/1987
FILING DATE: 02/07/1987

ASSIGNEE: SCHAEFFLER WAELZLAGER KG (DE)
INTERNATIONAL CLASSES: B29C45/26; F04D29/22; (IPC1-7): F04D29/22
EUROPEAN CLASSES: B29C45/26K; F04D29/22B4B

FOREIGN REFERENCES:
3070026Pumps
GB909510A

OTHER REFERENCES:
PATENT ABSTRACTS OF JAPAN, Band 3, Nr. 49 (M-57), 26. April 1979; &
JP-A-54 29 102 (KUBOTA TEKKO K.K.) 03-05-1979