Static structures (e.g. – buildings) – Intersection of wall to floor – ceiling – roof – or another wall – With revealed embedded protector
Patent
1993-04-20
1994-05-24
Friedman, Carl D.
Static structures (e.g., buildings)
Intersection of wall to floor, ceiling, roof, or another wall
With revealed embedded protector
52288, 52417, E04B 100
Patent
active
053137558
ABSTRACT:
A drywall corner-finishing accessory comprises three integrally joined, elongate strips, namely two relatively rigid, lateral strips and a relatively pliable, middle strip coextruded respectively from polyvinyl chloride having different durometer hardnesses. Each lateral strip has a rib along one edge. At its opposite edges, the middle strip is joined to the lateral strips at the distal edges of the ribs, preferably being joined to lateral surfaces of the ribs, so that a broad surface of the middle strip is stepped from the lateral strips. The accessory is flexible along the middle strip selectively to define a stepped, inside corner and to define a stepped, outside corner. The rib of each lateral strip guides a drywall-finishing tool and has a grooved pocket opening toward the distal edge of such lateral strip to receive drywall-finishing material.
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Friedman Carl D.
Smith Creighton
Trim-Tex, Inc.
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