(19)

(11)

EP 0 247 129 A1

(12)

(43) Date of publication: 02.12.1987 Bulletin 1987/49 (21) Application number: 86906906.0 (22) Date of filing: 02.12.1986

(51) International Patent Classification (IPC):  E04B 2/ 74( . ) (86) International application number: PCT/GB1986/000734 (87) International publication number: WO 1987/003321 (04.06.1987 Gazette 1987/12)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 02.12.1985 GB 19850029644 (71) Applicant: SHERIDAN, Gundrida Florence Stoke Row Henley-on-Thames Oxon (GB)	(72) Inventor: SHERIDAN, Gundrida Florence Stoke Row Henley-on-Thames Oxon (GB) (74) Representative: Smith, Martin Stanley  Stevens, Hewlett & Perkins 1 St. Augustine's Place Bristol BS1 4UD Bristol BS1 4UD (GB)