(19)

(11)

EP 0 745 188 A1

(12)

(43) Date of publication: 04.12.1996 Bulletin 1996/49 (21) Application number: 95908693.0 (22) Date of filing: 26.01.1995

(51) International Patent Classification (IPC):  F04B 11/ 00( . ) F04B 49/ 02( . ) (86) International application number: PCT/US1995/001068 (87) International publication number: WO 1995/020723 (03.08.1995 Gazette 1995/33)

(84) Designated Contracting States: DE ES FR IT (30) Priority: 26.01.1994 CL 19940000134 19.05.1994 CL 19940000721 07.10.1994 US 19940319512 (71) Applicants: FLEXCON INDUSTRIES Randolph, MA 02368 (US) Valdes, Osvaldo Las Condes, Santiago (CL)	(72) Inventor: VALDES, Osvaldo Las Condes, Santiago (CL) (74) Representative: Fiener, Josef, et al  European Patent Attorney, Maximilianstrasse 57, Postfach 1249 D-87712 Mindelheim D-87712 Mindelheim (DE)