Arch frame

Details Arch frame Arch frame

E - Fixed Constructions

06

B

E06B 3/20 (2006.01) E06B 1/00 (2006.01)

Patent

CA 2212607

A plurality of elongated thermoplastic bar members, each bar member defining a pre-determined width, and a pre-determined thickness which is less than its width, and each bar member being made up of an outer wall, and intermediate spacer walls and inner walls at intervals, and defining therebetween generally elongated passageways, and at least some of the bar members having interlock formations formed on the exterior of the walls, so that adjacent bar members may be interlocked together, the interlock formations permitting one bar member to slide relative to its adjacent bar members, and at least one of bar members having one wall free of the interlock formations, so as to provide a smooth finished exterior surface.

Une multitude d'éléments en forme de barres longitudinales thermoplastiques, chacun définissant une largeur déterminée, et une épaisseur prédéterminée plus petite que la largeur, et chaque élément étant constitué d'une paroi extérieure, d'une paroi intermédiaire et de parois internes à intervalles, qui définissent entre elles des passages généralement longitudinaux et au moins certains des éléments ayant, à l'extérieur des parois, des formes spéciales qui permettent de bloquer ensemble les extrémités d'éléments adjacents, ces formes de blocage permettant à un élément de glisser par rapport aux éléments adjacents de façon à offrir une surface extérieure finie lisse.

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