(19)
(11)
EP 0 057 690 A1
(12)
(43)
Date of publication:
18.08.1982
Bulletin 1982/33
(21)
Application number:
81902181.0
(22)
Date of filing:
27.07.1981
(51)
International Patent Classification (IPC):
B04C
5/
13
( . )
B65G
53/
28
( . )
B04C
5/
15
( . )
B65G
53/
60
( . )
(86)
International application number:
PCT/US1981/001006
(87)
International publication number:
WO 1982/000451
(
18.02.1982
Gazette 1982/06)
(84)
Designated Contracting States:
AT CH DE FR GB LI LU NL SE
(30)
Priority:
30.07.1980
US 19800173864
(71)
Applicant:
CHRISTIANSON SYSTEMS, INC.
Blomkest, MN 56216 (US)
(54)
GRAIN HANDLING APPARATUS WITH IMPROVED CYCLONE SEPARATOR