(19)
(11)
EP 0 120 930 A1
(12)
(43)
Date of publication:
10.10.1984
Bulletin 1984/41
(21)
Application number:
83903336.0
(22)
Date of filing:
27.09.1983
(51)
International Patent Classification (IPC):
E01H
1/
04
( . )
E01H
1/
05
( . )
(86)
International application number:
PCT/US1983/001489
(87)
International publication number:
WO 1984/001398
(
12.04.1984
Gazette 1984/10)
(84)
Designated Contracting States:
BE CH DE FR GB LI NL
(30)
Priority:
30.09.1982
US 19820431947
(71)
Applicant:
FMC CORPORATION
Chicago Illinois 60601 (US)
(72)
Inventor:
KASSAI, Denes, Paul
Chino, CA (US)
(74)
Representative:
Bardehle, Heinz, Dipl.-Ing., et al
Patent- und Rechtsanwälte Bardehle-Pagenberg-Dost-Altenburg & Partner Postfach 86 06 20
D-8000 München 86
D-8000 München 86 (DE)
(54)
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