(19)

(11)

EP 0 697 047 A1

(12)

(43) Date of publication: 21.02.1996 Bulletin 1996/08 (21) Application number: 93912884.0 (22) Date of filing: 04.06.1993

(51) International Patent Classification (IPC):  E01F 9/ 018( . ) E01F 15/ 04( . ) (86) International application number: PCT/EP1993/001412 (87) International publication number: WO 1994/020686 (15.09.1994 Gazette 1994/21)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE LI NL PT SE (30) Priority: 03.03.1993 DE 19930003097U (71) Applicant: PROVEX S.r.l. I-39031 Brunico (IT)	(72) Inventor: MUTSCHLECHNER, Peter I-39031 Brunico (IT) (74) Representative: Körber, Wolfhart, Dr. rer.nat., et al  Patentanwälte Mitscherlich & Partner, Sonnenstrasse 33 D-80331 München D-80331 München (DE)