Paperbead for protecting drywall corners

E - Fixed Constructions – 04 – F

Patent

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E04F 13/06 (2006.01)

Patent

CA 2212854

An improved corner bead (1) for drywall construction having a paper layer (4) bonded to an exterior surface of a formed metal or plastic core (3). The paper (4) is impregnated with a latex prior to affixing it to the core. The uniformly impregnated paper (4) provides improved protection against adverse abrasion at all levels of thickness of the paper (4). An improved method for covering joints formed between abutting sheets of drywall (8) involves spreading a bonding layer (10) of joint compound, embedding the paper strip (4) in that compound, applying an exterior layer (12) of compound, and sanding the exterior layer (12) so as to provide a smooth and continuous surface between the drywall sheets (8).

Un protège-angle amélioré destiné à une construction à cloison sèche comprenant une couche de papier collée à la surface externe d'un noyau mis en forme et constitué de métal ou de plastique. Le papier est imprégné d'un latex avant d'être appliqué sur le noyau. Ce papier uniformément imprégné confère une meilleure protection contre une abrasion intempestive quelle que soit l'épaisseur du papier. Un procédé amélioré de recouvrement des joints, formés entre des feuilles contiguës de cloison sèche, consiste à étaler une couche de liaison faite d'un composé mélangé, à noyer une bande de papier dans ce composé, à appliquer une couche externe de ce composé, puis à sabler cette couche externe pour obtenir une surface lisse et continue entre les feuilles.

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