Static structures (e.g. – buildings) – In situ attached-type channel or trim strip – Flexible strip
Patent
1994-08-17
1996-01-09
Nguyen, Kien T.
Static structures (e.g., buildings)
In situ attached-type channel or trim strip
Flexible strip
522871, 5271705, E04C 238
Patent
active
054818451
ABSTRACT:
An improved, elongate, flexible corner for trimming a curved surface, such as a cylindrical surface of a building column, comprises an elongate angle extruded from a relatively hard but flexible, polymeric material and an elongate strip extruded from a relatively soft but pliable, polymeric material. The elongated angle and the elongate strip are coextruded respectively from polyvinyl chloride having different durometer hardnessess. The elongate angle has a first, relatively wide, relatively thick flange with a distal edge and a proximal edge and a second, relatively narrow, relatively thin flange with a distal edge and a proximal edge, which is unitary with the proximal edge of the first flange. The second flange extends from the first flange, approximately at a right angle relative to the first flange when the flexible corner is unstressed. Each of the first and second flanges has an inner surface and an outer surface and the inner surfaces define approximately a right angle relative to each other. The elongate strip is attached to the elongate angle, along the flexible corner. The elongate strip is configured so as to have a proximal portion covering the outer surface of the second flange, as far as the outer wall of the first flange, and a distal portion extending beyond the distal edge of the second flange, approximately at a right angle relative to the first flange when the flexible corner is unstressed, and so as to have a recess receiving the second flange.
REFERENCES:
patent: 3159251 (1964-12-01), Becker
patent: 5247769 (1993-09-01), Becker
Trim-Tex Catalog dated Apr. 1993--see p. 11.
Trim-Tex Brohcure for "Flexible Grid Angle", undated--admitted prior art.
Radii Systems, Brochure for "The Radii Trim System", four pages, undated--admited prior art.
Nguyen Kien T.
Trim-Tex, Inc.
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