(19)
(11) EP 0 408 210 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.08.1991 Bulletin 1991/32

(43) Date of publication A2:
16.01.1991 Bulletin 1991/03

(21) Application number: 90306916.9

(22) Date of filing: 25.06.1990
(51) International Patent Classification (IPC)5E04G 11/48
(84) Designated Contracting States:
AT CH DE DK FR GB LI NL

(30) Priority: 08.07.1989 GB 8915695

(71) Applicant: GKN KWIKFORM LIMITED
Brentford Middlesex TW8 9DF (GB)

(72) Inventor:
  • Brownley, Roy Derek
    Walsall, West Midlands WS5 3HG (GB)

(74) Representative: Thorpe, Brian et al
Forrester & Boehmert Franz-Joseph-Strasse 38
80801 München
80801 München (DE)


(56) References cited: : 
   
       


    (54) Formwork system


    (57) A formwork system comprising a plurality of vertically disposable main legs (10), ledger frames (12) and bracing (26, 28) has each main leg provided with an end plate (38) to which is securable a rotatable female threaded element (44) of a screw jack (20). A releasable metal retainer plate (48) is securable to the end plate (38) to engage a flange portion (46) of the female element (44) whereby the female element is retained captive to the end plate (38) in freely rotatable relation thereto.







    Search report