(19)

(11)

EP 0 701 679 A1

(12)

(43) Date of publication: 20.03.1996 Bulletin 1996/12 (21) Application number: 93913335.0 (22) Date of filing: 09.06.1993

(51) International Patent Classification (IPC):  F28D 19/ 04( . ) F28F 21/ 00( . ) F28F 19/ 02( . ) (86) International application number: PCT/GB1993/001232 (87) International publication number: WO 1994/029660 (22.12.1994 Gazette 1994/28)

(84) Designated Contracting States: AT BE DE ES FR GB IT NL (71) Applicant: GLYNWED PLASTICS LIMITED Sheldon, Birmingham B26 3AZ (GB)	(72) Inventor: DAVIDSON, Maxwell, Wingate Edinburgh EH13 0DE (GB) (74) Representative: Stonehouse, Sidney William, et al  Barker, Brettell & Duncan 138 Hagley Road Edgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)