(19)

(11)

EP 0 626 926 A1

(12)

(43) Date of publication: 07.12.1994 Bulletin 1994/49 (21) Application number: 93905491.0 (22) Date of filing: 01.03.1993

(51) International Patent Classification (IPC):  B65G 51/ 28( . ) (86) International application number: PCT/GB1993/000423 (87) International publication number: WO 1993/016943 (02.09.1993 Gazette 1993/21)

(84) Designated Contracting States: BE CH DE ES FR GB IE IT LI NL PT SE (30) Priority: 29.02.1992 GB 19920004398 (71) Applicant: AIR TUBE CONVEYORS LIMITED West Midlands B69 4HE (GB)	(72) Inventors: CLIFFORD, Norman Samuel Darlaston, West Midlands WS10 8XY (GB) HENDERSON, Fraser Solihull, West Midlands B90 3LE (GB) (74) Representative: Carpenter, David, et al  MARKS & CLERK, Alpha Tower, Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)