Static structures (e.g. – buildings) – Processes – Barrier construction
Patent
1992-09-04
1994-08-09
Friedman, Carl D.
Static structures (e.g., buildings)
Processes
Barrier construction
5274519, 52539, 52533, 52553, E04B 100
Patent
active
053354737
ABSTRACT:
The invention is directed to a tongue and groove product which comprises a first and second major surface and a first and second longitudinal edge. The first longitudinally edge includes a longitudinally-extending groove. The second longitudinal edge includes a longitudinally-extending protruding tongue for interlockingly engaging a complimentary grooved longitudinal edge of an adjacent tongue and groove board. The protruding tongue has an upper and a lower longitudinally-extending surface. The major design feature of this invention is that the protruding tongue has at least one substantially vertically-extending opening formed therein. Each of the openings extends through the protruding tongue from said longitudinally-extending upper surface to said longitudinally-extending lower surface for providing at least one drain path for water to drain by gravity from said first major surface downwardly through each said vertically-extending opening. This prevents an accumulation of water on the tongue and groove board. In the preferred case, the opening in the protruding tongue comprises a substantial vertically-extending notch.
REFERENCES:
patent: 432245 (1890-07-01), Meigs
patent: 576569 (1897-02-01), Gemmer
patent: 2031596 (1936-02-01), Fulbright
patent: 3206903 (1965-09-01), Johnson
patent: 3740909 (1973-06-01), Stinnes
patent: 4095913 (1978-06-01), Pettersson
patent: 4807416 (1989-02-01), Parasin
patent: 5182892 (1993-02-01), Chase
Friedman Carl D.
Louisiana Pacific Corporation
Mai Lan C.
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