(19)

(11)

EP 0 693 970 A1

(12)

(43) Date of publication: 31.01.1996 Bulletin 1996/05 (21) Application number: 94908285.0 (22) Date of filing: 04.03.1994

(51) International Patent Classification (IPC):  E03C 1/ 10( . ) B05B 7/ 02( . ) E03C 1/ 084( . ) B05B 1/ 30( . ) B05B 7/ 04( . ) (86) International application number: PCT/DE1994/000236 (87) International publication number: WO 1994/020219 (15.09.1994 Gazette 1994/21)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: SI (30) Priority: 08.03.1993 DE 19932000004 (71) Applicant: PRENZLER, Klaus D-29323 Wietze (DE)	(72) Inventor: PRENZLER, Klaus D-29323 Wietze (DE) (74) Representative: Schaumburg, Karl-Heinz  Patentanwälte Schaumburg, Thoenes, Thurn, Postfach 86 07 48 D-81634 München D-81634 München (DE)