(19)
(11) EP 0 221 984 A1

(12)

(43) Date of publication:
20.05.1987 Bulletin 1987/21

(21) Application number: 86903459.0

(22) Date of filing: 15.05.1986
(51) International Patent Classification (IPC): 
B28B 7/ 24( . )
E04B 2/ 08( . )
 B28B 11/ 14( . )
E04B 2/ 02( . )
(86) International application number:
PCT/GB1986/000271
(87) International publication number:
WO 1986/006774 (20.11.1986 Gazette 1986/25)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 15.05.1985 GB 19850012240
25.02.1986 GB 19860004600

(71) Applicants:
  • RENDELL, John Victor
    Hurstmonceaux Sussex (GB)
  • COPELAND, David Joseph
    Knockholt, Kent (GB)

(72) Inventors:
  • RENDELL, John Victor
    Hurstmonceaux Sussex (GB)
  • COPELAND, David Joseph
    Knockholt, Kent (GB)

   


(54) CONSTRUCTIONAL ELEMENTS AND METHOD AND APPARATUS FOR MANUFACTURE