(19)

(11)

EP 0 699 254 A1

(12)

(43) Date of publication: 06.03.1996 Bulletin 1996/10 (21) Application number: 95913880.0 (22) Date of filing: 16.03.1995

(51) International Patent Classification (IPC):  E02D 31/ 06( . ) E04B 1/ 76( . ) E02D 31/ 02( . ) E04B 1/ 98( . ) (86) International application number: PCT/EP1995/000986 (87) International publication number: WO 1995/025850 (28.09.1995 Gazette 1995/41)

(84) Designated Contracting States: BE DE ES FR GB IT (30) Priority: 19.03.1994 DE 19940004701U (71) Applicant: EWALD DÖRKEN AG D-58313 Herdecke (DE)	(72) Inventor: JABLONKA, Dieter D-58313 Herdecke (DE) (74) Representative: Patentanwälte Wenzel & Kalkoff  Flasskuhle 6, D-58452 Witten D-58452 Witten (DE)