(19)

(11)

EP 0 929 760 A1

(12)

(43) Date of publication: 21.07.1999 Bulletin 1999/29 (21) Application number: 97912679.0 (22) Date of filing: 08.10.1997

(51) International Patent Classification (IPC):  B64C 25/ 60( . ) F16F 9/ 52( . ) F16F 9/ 30( . ) (86) International application number: PCT/US1997/018189 (87) International publication number: WO 1998/015755 (16.04.1998 Gazette 1998/15)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 09.10.1996 US 19960728340 09.10.1996 US 19960731099 09.10.1996 US 19960728352 (71) Applicant: THE B.F. GOODRICH COMPANY Richfield, Ohio 44286-9368 (US)	(72) Inventors: BURKETT, Brian, Bobby Richfield, OH 44286 (US) HRUSCH, Louis, Charles Chesterland OH 44026 (US) LEFFEL, Kevin, Lee Akron, OH 44319-4221 (US) LEE, Biing-Lin Broadview Heights, OH 44147 (US) (74) Representative: Weber, Thomas, Dr.Dipl.-Chem., et al  Patentanwälte von Kreisler-Selting-Werner, Postfach 10 22 41 50462 Köln 50462 Köln (DE)