Insulating unitless window sash

E - Fixed Constructions – 06 – B

Patent

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Details

E06B 3/64 (2006.01) E06B 3/96 (2006.01)

Patent

CA 2337110

An insulating unitless window sash includes a sash frame made of four linear sash members having their mitered edges joined together. Each of the sash members in cross section includes a peripheral surface, a first and outer side walls and a first groove spaced from a second groove. Each of the grooves has a base and spaced walls. The base of the first groove is spaced a greater distance from the peripheral surface than the base of the second groove. Peripheral and marginal edges of a first sheet are in the first groove and peripheral and marginal edges of a second sheet are in the second groove. A shim is mounted on the sash frame adjacent the outer surface of the first sheet to give a balance configuration. A method of fabricating the insulating unitless sash is also disclosed.

L'invention concerne un cadre de fenêtre isolant non unitaire, comprenant un bâti constitué de quatre éléments linéaires de cadre dont les extrémités à onglets sont reliées. Chaque élément de cadre, en coupe transversale, comprend une surface périphérique, une première paroi latérale externe, et une première rainure espacée d'une seconde rainure. Chaque rainure possède une base et des parois espacées. La base de la première rainure est plus espacée de la surface périphérique que la base de la seconde rainure. Les bords périphériques et marginaux d'une première feuille sont placés dans la première rainure, et les bords périphériques et marginaux de la seconde feuille sont placés dans la seconde rainure. Une cale est montée sur le bâti adjacent à la surface extérieure de la première feuille, afin de donner une configuration équilibrée. L'invention concerne également un procédé permettant de fabriquer ce cadre isolant non unitaire.

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