(19)

(11)

EP 0 568 611 A1

(12)

(43) Date of publication: 10.11.1993 Bulletin 1993/45 (21) Application number: 92904503.0 (22) Date of filing: 18.12.1991

(51) International Patent Classification (IPC):  B26B( . ) B26B 21/ 48( . ) (86) International application number: PCT/US1991/009601 (87) International publication number: WO 1992/013684 (20.08.1992 Gazette 1992/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 24.01.1991 US 19910645162 (71) Applicant: WARNER-LAMBERT COMPANY Morris Plains New Jersey 07950 (US)	(72) Inventor: IDEROSA, Richard, A. West Haven, CT 06516 (US) (74) Representative: Mansmann, Ivo, et al  Gödecke AG Patentwesen Mooswaldallee 1-9 D-79090 Freiburg D-79090 Freiburg (DE)