Static structures (e.g. – buildings) – Lapped multiplanar surfacing; e.g. – shingle type – With spacing or space-forming feature
Reexamination Certificate
1999-11-02
2001-06-19
Stephan, Beth A. (Department: 3635)
Static structures (e.g., buildings)
Lapped multiplanar surfacing; e.g., shingle type
With spacing or space-forming feature
C052S519000, C052S749110, C052S745190, C225S096500, C225S094000
Reexamination Certificate
active
06247284
ABSTRACT:
TECHNICAL FIELD
This invention relates in general to roofing, and particularly relates to the use of light weight yet structurally sound concrete roof tiles which simulate wood shake or other types of roofing. The roof tile includes a “direct deck” configuration for use without batten strips, and a flat tile configuration which can be used with batten strips.
BACKGROUND OF THE INVENTION
In the field of roofing, it is known to provide roof tiles made of concrete, clay or other materials, in order that said tiles may be placed atop building structure to provide protection from the elements.
Various methods have been developed for producing concrete tiles, which can vary depending on the shape of the tiles in question. Typically, wet concrete is dispensed onto a moving pallet, and the pallet is passed under a roller and slipper to form and then shape the tile. A knife assembly cuts to length the tiles. The wet concrete is cured and then removed from the pallet to provide the complete tile.
Examples of tiles provided by the prior art are disclosed in several patents. Some of these patents include U.S. Pat. No. 5,406,766 to Nicholas, entitled “Multi-Color Concrete Tiles and Method and Apparatus for Making Same”, U.S. Pat. No. 5,214,895 to Fefield, entitled “Roof Tiles”, and U.S. Pat. No. 4,574,536 to Bamber, et al., entitled “Roof Tile”.
Although present tile configurations may in some cases include advantages, there is always a need for improvement.
Therefore there may be seen a need in the art for a lightweight roof tile which simulates wood shake or other types of roofing, and which may be used in either a direct deck or batten configuration.
SUMMARY OF THE INVENTION
The present invention overcomes deficiencies in the prior art by providing a lightweight roof tile which simulates wood shake or other types of roofing, and which may be used in either a “direct deck” or batten configuration.
Therefore, it is an object of the present invention to provide an improved roof tile.
It is a further object of the present invention to provide an improved roof tile which is reduced in weight.
It is a further object of the present invention to provide an improved roof tile which has improved structural features.
It is a further object of the present invention to provide a direct-deck roof tile which can be temporarily placed on a roof of high inclination without yet being fastened.
It is a further object of the present invention to provide an improved roof tile which has improved ornamental features.
It is a further object of the present invention to provide an improved roof tile which has a reduced perceived visual scale.
Other objects, features, and advantages of the present invention will become apparent upon reading the following detailed description of the preferred embodiment of the invention when taken in conjunction with the drawing and the appended claims.
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patent: 4782869 (1988-11-01), Segerljung
patent: 4819848 (1989-04-01), Hollander
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patent: 4988027 (1991-01-01), Bremner
patent: 5580303 (1996-12-01), Winslow
patent: 5974756 (1999-11-01), Alvarez
patent: 6041988 (2000-03-01), Shapiro
patent: 6098862 (2000-08-01), Chakrabartl
Alvarez Alfonso V.
Burnett Woods W.
Hahn Eric Martin
Schreifels Walter Arthur
Smith Joseph Edward
Alston & Bird LLP
Boral Lifetile Inc.
Stephan Beth A.
LandOfFree
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