E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
E04G 17/06 (2006.01) E04G 17/07 (2006.01)
Patent
CA 2458041
The present invention concerns a method for producing a wall or partition construction with essentially smooth surfaces. The method comprises the arrangement of opposite former sheets 8, 9 or equivalent surfaces at a distance from each other in order to form a former space with the aid of form ties 1, parts of which are caused to extend through holes 7 in the former sheets 8, 9 and provided with stop means 13, which are caused to come into contact with those surfaces of the former sheets 8, 9 that face the former space, and which form ties 1 are provided with retainers 4 on the surfaces of the former sheets 8, 9 that face away from the former space in order to maintain the former sheets 8, 9 or equivalent at a distance from each other, after which mortar or concrete in liquid form is added to the former space and caused to solidify. The form ties 1 are constituted by non-rusting material and are provided before application in the former space with breakage guides 13', which are located essentially in the plane of the inner surfaces of the former sheets 8, 9. The form ties 1 are caused to interact with supports and spacers 14 of non-rusting material, which are arranged to be in contact with the inner surfaces of the former sheets 8, 9. The supports and spacers 14 are designed such that they allow the mortar or concrete in liquid form to be caused to surround them except for those parts that are in contact with the inner surfaces of the former sheets 8, 9, the surfaces that face the former space. Following the solidification of the wall or partition construction, the retainers 4 and the former sheets 8, 9 are removed and the form ties 1 are broken at the breakage guides 13'. The invention also concerns a form tie 1 to be used when producing a wall or partition construction by the method described above.
L'invention concerne un procédé de production d'une paroi, ou d'une cloison, avec des surfaces essentiellement lisses. Le procédé consiste à disposer de plaques opposées (8,9), ou des surfaces équivalentes, séparées l'une de l'autre de façon à constituer un espace de coffrage à l'aide d'attaches de coffrage (1), dont les parties s'étendent à travers les trous (7) traversant les plaques (8, 9) et qui sont dotées de moyens d'arrêt (13) destinées à venir au contact des surfaces des plaques (8, 9) côté espace de coffrage, ces attaches de coffrage (1) comportant des éléments de retenue (4) sur les surfaces des plaques de coffrage (8, 9) à l'extérieur de l'espace de coffrage de façon à maintenir ces plaques (8, 9), ou analogues, à distance l'une de l'autre, du ciment ou du mortier étant ensuite introduit dans l'espace de coffrage, sous forme liquide, puis amené à se solidifier. Les attaches de coffrage sont constituées de matériau insensible à la rouille et sont mises en place, avant application de ciment ou de mortier, dans l'espace de coffrage avec des guides de rupture (13') disposés essentiellement dans le plan des surfaces intérieures des plaques de coffrage (8, 9). Les attaches de coffrage (1) interagissent avec des supports et des espaceurs (14), en matériau insensible à la rouille, en contact avec les surfaces intérieures de plaques de coffrage (8, 9). Les supports et les espaceurs (14) sont conçus de façon à être entourés par le mortier ou le ciment sous forme liquide exceptées leurs parties en contact avec les surfaces intérieures des plaques (8, 9), celles formant l'espace de coffrage. Après solidification de la paroi, ou de la cloison, les éléments de maintien (4) et les plaques de coffrage (8, 9) sont retirés et les attaches de coffrage (1) sont cassées au niveau des bagues de rupture (13'). L'invention concerne aussi une attache de coffrage (1) utilisée lors de la production d'une paroi ou d'une cloison selon le procédé décrit.
Henningsson Stefan
Ridout & Maybee Llp
LandOfFree
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