(19)
(11) EP 0 494 723 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.12.1992 Bulletin 1992/51

(43) Date of publication A2:
15.07.1992 Bulletin 1992/29

(21) Application number: 92200822.2

(22) Date of filing: 29.07.1985
(51) International Patent Classification (IPC)5: E04G 23/02, E04B 2/30, E04C 5/03, F16B 15/06, E04B 1/41
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 31.07.1984 GB 8419523

(62) Application number of the earlier application in accordance with Art. 76 EPC:
85305405.4 / 0171250

(71) Applicants:
  • OLLIS, William John Bernard
    Buckinghamshire HP17 8AH (GB)
  • Ollis, William Henry
    Buckinghamshire HP17 8AH (GB)

(72) Inventors:
  • OLLIS, William John Bernard
    Buckinghamshire HP17 8AH (GB)
  • Ollis, William Henry
    Buckinghamshire HP17 8AH (GB)

(74) Representative: Rees, David Christopher et al
Kilburn & Strode 30 John Street
London WC1N 2DD
London WC1N 2DD (GB)


(56) References cited: : 
   
     
    Remarks:
    This application was filed on 21 - 03 - 1992 as a divisional application to the application mentioned under INID code 60.
     


    (54) Structural ties


    (57) A structural tie in the form of a length of wire (15) of corrosion resistant material, comprising a core and two externally projecting fins (4). Each fin follows a continuous helical path about the axis of the core. One end of the tie is pointed, the remainder of the tie having a substantially uniform cross-section. The diameter of the core is 2 to 6mm and the maximum diameter of the entire tie is 10mm.






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