Insulated concrete form

Details Insulated concrete form Insulated concrete form

E - Fixed Constructions

04

G

E04G 9/04 (2006.01) E04B 2/86 (2006.01) E04G 17/07 (2006.01) E04G 17/075 (2006.01)

Patent

CA 2191914

An insulated concrete form for forming an insulated poured concrete wall, having an inside surface and an outside surface. The outside surface is held in a spaced-apart parallel relationship with the inside surface by a plurality of tie members attached perpendicularly to both the inside and outside surfaces. The inside surface is a single-sided conventional concrete formwork comprising a plurality of plywood boards having each a plurality of latch members for respectively engaging with a first end of each of the tie members. The outside surface comprises a plurality of juxtaposed insulating foam panels and a plurality of elongated vertically aligned connecting members, having each an I-shaped portion respectively enclosing two adjacent edges of a bordering pair of the juxtaposed insulating panels. Each connecting member further has a tubular element with transversal slots and notches for enclosing and for respectively retaining, by means of a concrete nail in a central opening in the tubular element, a second end of each of the tie members and thereby, for retaining a pair of insulating panels in a forming-resistive manner in the spaced-apart parallel relationship with the plywood boards. When uncured concrete is poured into the form, the insulating panels remain in the spaced-apart parallel relationship with the plywood boards, and when the concrete is cured, the insulating panels remain bonded to the concrete wall.

Coffrage isolé utilisé pour former un mur de béton coulé avec isolant. Le coffrage est composé d'une surface intérieure et d'une surface extérieure. La surface extérieure est distancée de la surface intérieure et maintenue parallèlement à celle-ci au moyen d'attaches fixées perpendiculairement aux surfaces intérieure et extérieure. La surface intérieure est un coffrage monoface classique comprenant plusieurs planches de contreplaqué ayant chacune plusieurs dispositifs de verrouillage qui s'enclenchent respectivement sur la première extrémité de chacune des attaches. La surface extérieure comprend plusieurs panneaux juxtaposés de mousse isolante. Chaque élément de raccordement comporte, en outre, un élément tubulaire à fentes et à encoches transversales venant enfermer et retenir la deuxième extrémité de chacune des attaches au moyen d'un clou à béton placé dans une ouverture pratiquée au centre de l'élément tubulaire. L'ensemble permet ainsi de maintenir solidement une paire de panneaux isolants à distance des panneaux de contreplaqué et dans une position parallèle à ceux-ci. Lorsque le béton est coulé dans le coffrage, les panneaux isolants demeurent dans leur position initiale et restent liés au mur de béton une fois que celui-ci a durci.

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