Drywall-trimming article having curved surface covered with...

E - Fixed Constructions – 04 – F

Patent

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Details

E04F 19/02 (2006.01) E04F 13/06 (2006.01)

Patent

CA 2219695

For trimming a drywall corner, a drywall-trimming article has an elongate portion and two flange portions, which are extruded unitarily with the elongate portion from polyvinyl chloride. The elongate portion has an arcuate profile. Each flange portion has an array of apertures. One of the convex and concave surfaces defined by the central portion is covered substantially with discrete fibers, which adhere to the substantially covered surface but which do not cover the remaining surfaces of the central portion and of the flange portions. Such adhering fibers facilitate application of a coat of paint and texturization of the coat of paint over the substantially covered surface without separating the inner surfaces of the flange portions from the underlying drywall by any appreciable thicknesses due to such adhering fibers. The apertures are substantially free of such adhering fibers so that drywall-finishing material, when pressed onto the outer surfaces of the flange portions, can be thus pressed through the apertures, into intimate contact with the underlying drywall, without intrusion of said adhering fibers that could interfere with bonding between such material pressed therethrough and the underlying drywall.

La présente invention a pour objet la finition d'un coin de cloison sèche au moyen d'un article rapporté comportant une partie allongée et deux ailes, réalisé par extrusion unitaire, la partie allongée étant en polychlorure de vinyle. La partie allongée a un profil en arc. Chaque aile comporte une série d'ouvertures. Une des surfaces convexes et concaves définie par la portion centrale est couverte substantiellement de fibres discrètes, adhérées à la surface substantiellement couverte, mais qui ne couvrent pas les surfaces restantes de la partie centrale et de la parrtie des ailes. Les fibres adhérées facilitent l'application d'une couche de peinture sur la substance substantiellement couverte sans séparer les surfaces internes des parties des ailes de la cloison sèche sous-jacente d'une épaisseur significative à cause de la présence de ces fibres adhérées. Les ouvertures sont substantiellement libres de telles fibres adhérées de sorte que le matériau de finition de cloison sèche, lorsqu'il est pressé contre les surfaces extérieures des ailes, peut ainsi être forcé à travers les ouvertures, en contact intime avec la cloison sèche sous-jacente, sans qu'il y ait intrusion des dites fibres adhérées, qui pourraient nuire au liaisonnement entre le matériau pressé à travers les orifices et les cloisons sèches sous-jacentes.

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