(19)

(11)

EP 0 153 922 A1

(12)

(43) Date of publication: 11.09.1985 Bulletin 1985/37 (21) Application number: 83903036.0 (22) Date of filing: 29.08.1983

(51) International Patent Classification (IPC):  B23K 26/ 00( . ) B01D 29/ 39( . ) B23K 15/ 00( . ) B01D 29/ 11( . ) B01D 33/ 17( . ) (86) International application number: PCT/US1983/001318 (87) International publication number: WO 1985/000988 (14.03.1985 Gazette 1985/07)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: UNITED STATES FILTER FLUID SYSTEMS CORPORATION Whittier, CA 90608 (US)	(72) Inventors: O'CHESKEY, Theodore, H. Whittier, CA 90608 (US) EDWARDS, Hugh, Thomas, Jr. Whittier, CA 90604 (US) (74) Representative: Patentanwälte Grünecker, Kinkeldey, Stockmair & Partner  Maximilianstrasse 58 D-80538 München D-80538 München (DE)