(19)

(11)

EP 0 132 257 A1

(12)

(43) Date of publication: 30.01.1985 Bulletin 1985/05 (21) Application number: 84900289.0 (22) Date of filing: 22.12.1983

(51) International Patent Classification (IPC):  B27M 3/ 00( . ) (86) International application number: PCT/GB1983/000344 (87) International publication number: WO 1984/002678 (19.07.1984 Gazette 1984/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 31.12.1982 GB 19820037048 (71) Applicant: TEXTRON INC. Providence, Rhode Island 02914 (US)	(72) Inventor: MARTIN, Gerald Shrewsbury, Salop (GB)