(19)

(11)

EP 0 697 052 A1

(12)

(43) Date of publication: 21.02.1996 Bulletin 1996/08 (21) Application number: 95911245.0 (22) Date of filing: 21.02.1995

(51) International Patent Classification (IPC):  E02D 29/ 02( . ) E04B 2/ 02( . ) E04C 1/ 39( . ) (86) International application number: PCT/EP1995/000614 (87) International publication number: WO 1995/022667 (24.08.1995 Gazette 1995/36)

(84) Designated Contracting States: AT BE CH DE FR LI NL (30) Priority: 21.02.1994 DE 19944405489 (71) Applicant: SCHEIWILLER, Rolf CH-6052 Hergiswil (CH)	(72) Inventor: SCHEIWILLER, Rolf CH-6052 Hergiswil (CH) (74) Representative: Patentanwälte Eisele, Otten & Roth  Seestrasse 42 D-88214 Ravensburg D-88214 Ravensburg (DE)