(19)

(11)

EP 0 044 331 A1

(12)

(43) Date of publication: 27.01.1982 Bulletin 1982/04 (21) Application number: 81900400.0 (22) Date of filing: 13.01.1981

(51) International Patent Classification (IPC):  B05B 1/ 08( . ) F15C 1/ 22( . ) (86) International application number: PCT/US1981/000047 (87) International publication number: WO 1981/001966 (23.07.1981 Gazette 1981/17)

(84) Designated Contracting States: DE FR GB SE (30) Priority: 14.01.1980 US 19800112248 19.12.1980 US 19800218247 (71) Applicant: BOWLES FLUIDICS CORPORATION Silver Spring, MD 20910 (US)	(72) Inventor: STOUFFER, Ronald D. Silver SPring MD 20204 (US) (74) Representative: Altenburg, Udo, Dipl.-Phys.  Patent- und Rechtsanwälte Pagenberg-Dost-Altenburg Galileiplatz 1 Postfach 860 620 D-8000 München 80 D-8000 München 80 (DE)