(19)

(11)

EP 0 793 747 A1

(12)

(43) Date of publication: 10.09.1997 Bulletin 1997/37 (21) Application number: 95941475.0 (22) Date of filing: 20.11.1995

(51) International Patent Classification (IPC):  D21B 1/ 30( . ) D21B 1/ 34( . ) D21B 1/ 32( . ) D21C 5/ 02( . ) (86) International application number: PCT/US1995/015356 (87) International publication number: WO 1996/016222 (30.05.1996 Gazette 1996/25)

(84) Designated Contracting States: DE FR GB (30) Priority: 21.11.1994 US 19940342852 (71) Applicant: THE BLACK CLAWSON COMPANY Middletown, Ohio 45042 (US)	(72) Inventors: SCOTT, Don, R. Middletown, OH 45044 (US) FONDOW, William, J. Middletown, OH 45044 (US) KELLY, Albert, S. West Chester, OH 45069 (US) GRANTZ, David, C. Hamilton, OH 45013 (US) (74) Representative: Warren, Anthony Robert, et al  BARON & WARREN, 18 South End, Kensington London W8 5BU London W8 5BU (GB)