Static structures (e.g. – buildings) – Conduit – trim – or shield member at corner
Reexamination Certificate
2001-12-03
2003-02-11
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
Conduit, trim, or shield member at corner
C052S288100, C052S716100
Reexamination Certificate
active
06516576
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to decorative trim pieces for building surface such as walls or ceilings, methods of installing the pieces, and methods of manufacturing the pieces.
BACKGROUND OF THE INVENTION
Decorative trim is used in several situations, such as used with covings, crowns, or as a cornice (trim at a junction between a ceiling and a wall), as a baseboard, (trim at a junction between a floor and a wall), picture rails, wall panel mouldings, door and window casings, or trims attached to a ceiling. Trim can be attached to adjacent surfaces in a number of ways (typically mechanically fastened and/or glued), and presents a three-dimensional decorative surface to the viewing eye when installed.
Previous trims present complications at corners. The appearance of the trim at the corners when installed depends upon several factors including length of the trim's pattern repeat, the desired length of coverage, and the accuracy of the mitred cuts at the ends of the pieces of trim at the corner. Ideally, the mitred cuts should meet smoothly and with mirrored edges across the entire surfaces of the two adjacent pieces of trim. For many installers, especially non-professional installers such as people doing their own home renovations, preparing, laying out and installing pieces of trim with adequate mitre cuts is a time-consuming and frustrating exercise, which is not always entirely successful.
SUMMARY OF THE INVENTION
The present invention improves on prior trim pieces by providing a trim piece with unitary blocks that form part of the pattern of the trim itself. Each of these blocks will provide at least two faces at angles to each other, one of which is connected to the rest of the trim piece. While pan of the decorative trim piece, the blocks are distinctive parts of the decorative trim, ideally presenting decorative breaks or highlights of the pattern,
In use to cover an inner or outer corner, a trim piece with a block at one end is positioned so that the trim piece is attached to the surface to be covered and the block is positioned so that a face looks down the second surface to be covered by a second trim piece placed to abut the block. In use to turn ninety degrees on the same surface, a decorative trim piece with a block at one end is positioned so that the trim piece is attached to the surface to be covered and the block is positioned so that a face looks down the same surface at a ninety degree angle. A second decorative trim piece is placed to abut the block.
In one aspect of the invention, there is provided a unitary decorative trim piece for installation on a building surface such as wall or ceiling, the trim piece comprising an elongate member having a central axis and a block at a first end of the member wherein the block has an end face substantially orthogonal to the axis for receipt thereagainst of the end of another trim piece when the pieces are aligned with each other for installation on a common surface.
In a feature of this aspect, the block has an obverse face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned for installation at an inside corner formed at the juncture of adjacent walls, In another feature of this aspect, the block has a reverse face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned for installation at an outside corner formed at the juncture of adjacent walls. In yet another feature of this aspect, the block has a lower side face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned to together form a corner on a common surface. In a still further feature of this aspect, the block has an upper side face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned to together form a corner on a common surface. In still another feature of this aspect, the block has a reverse face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned for installation at an outside corner formed at the juncture of adjacent walls. In yet another feature of this aspect, the block has an upper side face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned to together form a corner on a common surface.
In a second aspect of this invention, there is provided a unitary decorative trim piece for installation on a building surface such as a wall or a ceiling, the trim piece comprising: an elongate member having a decorative obverse face, and a central axis; first and second blocks at first and second ends of the member, wherein each of the blocks has an end face substantially orthogonal to the axis for receipt thereagainst of the end of another trim piece when the pieces are aligned with each other for installation on a common wall; the first block has an obverse face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned for installation at an inside corner formed at the juncture of adjacent walls and has a reverse face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned for installation at an outside corner formed at the juncture of adjacent walls; and the second block has a lower side face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned to together form a corner on a common surface and has an upper side face substantially orthogonal to the end face for receipt thereagainst of the end of another trim piece when the pieces are positioned to together form a corner on a common surface.
In a feature of this second aspect, the end face, obverse face, and reverse face of the first block are coincident with first, second and third surfaces, respectively, of a first imaginary rectangular parallelepiped and the end face, the lower side face, and the upper side face of the second block are coincident with first, second and third surfaces, respectively, of a second imaginary rectangular parallelepiped. In another feature of this aspect, the end face, obverse face, and reverse face of the first block are coincident with first, second and third surfaces, respectively, of an imaginary rectangular parallelepiped and the end face, the lower side face, and the upper side face of the second block are coincident with first, second and third surfaces, respectively, of the imaginary rectangular parallelepiped.
In another aspect of this invention, there is provided a unitary decorative trim piece for installation on a building surface such as a wall or a ceiling, the trim piece comprising: an elongate member having a decorative obverse face; and a block at an end of the elongate member, wherein the block has a face for receipt thereagainst of the end of another trim piece when the pieces are aligned with each other for installation to form a corner on a common wall.
In still another aspect of this invention, there is provided a unitary decorative trim piece for installation on a building surface such as a wall or a ceiling, the trim piece comprising an elongate member having a decorative obverse face; and a block at an end of the elongate member, wherein the block has a face for receipt thereagainst of the end of another trim piece when the pieces are positioned with each other for installation at an inside corner.
In yet another aspect of this invention, there is provided a unitary decorative trim piece for installation on a building surface such as a wall or a ceiling the trim piece comprising: an elongate member having a decorative obverse face; and a block at an end of the elongate member, wherein the block has a face for receipt thereagainst of the end of another trim piece whe
Blake Cassels & Graydon LLP
McDermott Kevin
Ontario Inc.
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