(19)

(11)

EP 0 290 576 A1

(12)

(43) Date of publication: 17.11.1988 Bulletin 1988/46 (21) Application number: 87908080.0 (22) Date of filing: 23.11.1987

(51) International Patent Classification (IPC):  B65B 51/ 08( . ) (86) International application number: PCT/US1987/003045 (87) International publication number: WO 1988/003898 (02.06.1988 Gazette 1988/12)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 21.11.1986 US 19860934560 (71) Applicant: BURFORD CORP. Maysville, OK 73057 (US)	(72) Inventors: BURFORD, Charles, E. Dallas, TX 75201 (US) FRAZIER, Jimmy, R. Norman, OK 73069 (US) (74) Representative: Howick, Nicholas Keith, et al  CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)