Patent ID: 6694692
Filing Date: 2004-02-24
Classification: E04B,E04C

Abstract:
A kit for erecting a concrete wall formwork comprising:a plurality of elongated, generally concave wall elements having engagement means about their longitudinal edges; a plurality of elongated, substantially flat wall elements having engagement means about their longitudinal edges; a plurality of connecting members having engagement means about their longitudinal edges adapted for sliding engagement with the engagement means of said concave wall elements and of said flat wall elements; said concave wall elements being adapted to be presented in edge to edge relationship to form a first face of a wall, said flat wall elements being adapted to be presented in edge to edge relationship to form a second face of a wall parallel to said first face, and said connecting member being adapted to slidingly extends between said first and second faces so as to simultaneously engage two edge adjacent concave wall elements of said first face and two edge adjacent flat wall elements of said second face.