Ceiling joist formwork with automatic stripping of the inner...

Details Ceiling joist formwork with automatic stripping of the inner... Ceiling joist formwork with automatic stripping of the inner...

E - Fixed Constructions

04

G

E04G 13/06 (2006.01)

Patent

CA 2683033

The invention relates to a ceiling joist formwork system (1) comprising a ceiling table (2), a vertical support (6), an inner board (3), a ceiling joist base (4), and an outer board (5), the outer board (5) and the ceiling joist base (4) being interconnected, especially rigidly interconnected. The vertical support (6) is rigidly fixed to the ceiling table (2), and the ceiling joist base (4) is fixed to the vertical support. The system according to the invention is characterised in that the ceiling joist base (4) and the outer board (5) are rotatably mounted about a first articulated point (GP1) on the vertical support (6), a guide (7) is rigidly fixed to the inner board (3), the inner board (3) and the guide (7) are rotatably mounted about a second articulated point (GP2) on the ceiling joist base (4), and the inner board (3) is guided by means of an edge (14a, 14b) in relation to the ceiling table (2) along a direction comprising at least one component vertical to the formwork upper plane of the inner board (3). The ceiling joist formwork system according to the invention can be used to simplify the dismantling, especially of the inner board, and the risk of damage to the inner board is reduced.

Système de coffrage de plancher (1) qui comporte une table de plancher (2), un élément vertical (6), une banche intérieure (3), un fond de coffrage (4) et une banche extérieure (4). La banche extérieure (5) et le fond de coffrage (4) sont reliés entre eux, en particulier de manière rigide, l'élément vertical (6) est fixé de manière rigide à la table de plancher (2), et le fond de coffrage (4) est fixé à l'élément vertical (6). Ledit système est caractérisé en ce que le fond de coffrage (4) et la banche extérieure (5) sont montés pivotant ensemble autour d'un premier point d'articulation (GP1) sur l'élément vertical (6), en ce qu'un bras (7) est monté de manière rigide sur la banche intérieure (3), en ce que la banche intérieure (3) et le bras (7) sont montés pivotant ensemble autour d'un second point d'articulation (GP2) sur le fond de coffrage (4) et en ce que la banche intérieure (3) est guidée au moyen d'une arête (14a, 14b) par rapport à la table de plancher (2) dans une direction qui présente au moins une composante verticale par rapport au plan de surface de coffrage de la banche intérieure (3). Grâce à ce système de coffrage de plancher, le décoffrage, en particulier de la banche intérieure, peut être effectué de manière simple et le danger de détérioration de la banche intérieure est réduit.

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