Patent ID: 7516589
Filing Date: 2009-04-14
Classification: E04B

Abstract:
1. A formwork for a concrete wall, the formwork comprising: two parallel formwork walls made of metallic latticed panels placed facing each other provided with metallic shaped bar forming vertical stiffeners and connected by at least one articulated metallic connection device allowing the formwork walls to be maintained either at a distance defining a space to receive a filler such as concrete, or folded for storage and transport, wherein, the at least one articulated metallic connection device includes: a first rectilinear horizontal metallic bar parallel to the first formwork wall and pass through holes in the stiffeners of said first wall, a second rectilinear horizontal metallic bar parallel to the second formwork wall and passing through holes in the stiffeners of said second wall, said second bar being situated facing the first metallic bar, and a plurality of metallic connection bars linking perpendicularly the two horizontal bars, said connection bars being articulated around said horizontal bars.