(19)

(11)

EP 0 856 127 A1

(12)

(43) Date of publication: 05.08.1998 Bulletin 1998/32 (21) Application number: 96930579.0 (22) Date of filing: 22.08.1996

(51) International Patent Classification (IPC):  F22G 5/ 12( . ) (86) International application number: PCT/US1996/013620 (87) International publication number: WO 1998/008025 (26.02.1998 Gazette 1998/08)

(84) Designated Contracting States: DE ES FR GB SE (71) Applicant: COPES-VULCAN, INC. Lake City, PA 16423 (US)	(72) Inventors: KUNKLE, Timothy, Edward McKean, PA 16426 (US) SHEA, Allan, Kevin Erie, PA 16506 (US) KUNTZ, Richard, Frank Erie, PA 16505 (US) (74) Representative: Herrmann-Trentepohl, Werner, Dipl.-Ing., et al  Patentanwälte Herrmann-Trentepohl Grosse - Bockhorni & Partner Forstenrieder Allee 59 81476 München 81476 München (DE)