(19)

(11)

EP 0 694 106 A1

(12)

(43) Date of publication: 31.01.1996 Bulletin 1996/05 (21) Application number: 95910403.0 (22) Date of filing: 17.02.1995

(51) International Patent Classification (IPC):  E04G 9/ 02( . ) E04G 9/ 05( . ) E04G 9/ 04( . ) (86) International application number: PCT/DE1995/000207 (87) International publication number: WO 1995/022672 (24.08.1995 Gazette 1995/36)

(84) Designated Contracting States: AT CH DE IT LI (30) Priority: 17.02.1994 DE 19944405012 (71) Applicant: STERA GmbH D-73734 Esslingen (DE)	(72) Inventor: KLEIN, Hartmut D-73734 Esslingen (DE) (74) Representative: Rüger, Rudolf, Dr.-Ing., et al  Rüger & Barthelt & Abel, Postfach 348 D-73704 Esslingen D-73704 Esslingen (DE)