(19)

(11)

EP 0 306 477 A1

(12)

(43) Date of publication: 15.03.1989 Bulletin 1989/11 (21) Application number: 86903786.0 (22) Date of filing: 09.05.1986

(51) International Patent Classification (IPC):  E04D 1/ 26( . ) E04D 3/ 35( . ) (86) International application number: PCT/US1986/001013 (87) International publication number: WO 1987/006967 (19.11.1987 Gazette 1987/25)

(84) Designated Contracting States: DE FR GB IT (71) Applicant: HOOFE, William J. III Newport Beach, CA 92660 (US)	(72) Inventor: HOOFE, William J. III Newport Beach, CA 92660 (US) (74) Representative: Thomson, Paul Anthony  Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside L41 6BR Birkenhead Merseyside L41 6BR (GB)