(19)

(11)

EP 0 082 842 A1

(12)

(43) Date of publication: 06.07.1983 Bulletin 1983/27 (21) Application number: 82900252.0 (22) Date of filing: 19.01.1982

(51) International Patent Classification (IPC):  B29C 65/ 00( . ) B29C 65/ 36( . ) B29C 65/ 34( . ) G01K 7/ 38( . ) (86) International application number: PCT/GB1982/000014 (87) International publication number: WO 1982/002593 (05.08.1982 Gazette 1982/19)

(84) Designated Contracting States: AT BE CH DE FR LI LU NL SE (30) Priority: 21.01.1981 GB 19810001776 (71) Applicant: PAYNE, Nicholas John Derby (GB)	(72) Inventor: PAYNE, Nicholas John Derby (GB)