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(11)

EP 0 098 855 A1

(12)

(43) Date of publication: 25.01.1984 Bulletin 1984/04 (21) Application number: 83900426.0 (22) Date of filing: 12.01.1983

(51) International Patent Classification (IPC):  E03F 3/ 04( . ) F16L 55/ 179( . ) F16L 55/ 165( . ) (86) International application number: PCT/GB1983/000002 (87) International publication number: WO 1983/002490 (21.07.1983 Gazette 1983/17)

(84) Designated Contracting States: AT BE CH DE FR LI LU NL SE (30) Priority: 12.01.1982 GB 19820000839 10.09.1982 GB 19820025816 (71) Applicant: Yarnell, Ian Roland Haslemere Surrey GU27 2HA (GB)	(72) Inventor: Yarnell, Ian Roland Haslemere Surrey GU27 2HA (GB) (74) Representative: Blatchford, William Michael, et al  Withers & Rogers 4 Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)