(19)

(11)

EP 0 600 879 A1

(12)

(43) Date of publication: 15.06.1994 Bulletin 1994/24 (21) Application number: 91916658.0 (22) Date of filing: 03.09.1991

(51) International Patent Classification (IPC):  F15B 13/ 00( . ) F15B 13/ 08( . ) (86) International application number: PCT/US1991/006283 (87) International publication number: WO 1992/004568 (19.03.1992 Gazette 1992/07)

(84) Designated Contracting States: BE DE FR GB IT NL (30) Priority: 05.09.1990 US 19900577981 (71) Applicant: NEWMATIC CONTROLS INC. Grafton, WI 53024 (US)	(72) Inventor: SCHAEFER, Joseph, H. Grafton, WI 53024 (US) (74) Representative: UEXKÜLL & STOLBERG  Patentanwälte Beselerstrasse 4 D-22607 Hamburg D-22607 Hamburg (DE)