(19)

(11)

EP 0 067 994 A1

(12)

(43) Date of publication: 05.01.1983 Bulletin 1983/01 (21) Application number: 81901583.0 (22) Date of filing: 07.01.1981

(51) International Patent Classification (IPC):  D03D 47/ 30( . ) (86) International application number: PCT/US1981/000017 (87) International publication number: WO 1982/002411 (22.07.1982 Gazette 1982/18)

(84) Designated Contracting States: DE (71) Applicant: LEESONA CORPORATION Warwick, RI 02887 (US)	(72) Inventors: BROUWER, Charles W. East Greenwich, RI 02818 (US) WUEGER, Karl W. CH-8610 Uster (CH) (74) Representative: Patentanwälte Henkel, Pfenning, Feiler, Hänzel & Meinig  Möhlstrasse 37 D-8000 München 80 D-8000 München 80 (DE)