Static structures (e.g. – buildings) – Framing to receive door – doorjamb – or window sash
Patent
1992-09-24
1993-05-25
Friedman, Carl D.
Static structures (e.g., buildings)
Framing to receive door, doorjamb, or window sash
49504, E06B 104
Patent
active
052129217
ABSTRACT:
An improved door sill construction. The sill includes a core including a form made from spun class fibers treated with a polyester resin. The spun glass fibers are oriented in both lineal rows and random mats in order to maximize strength. The sill further includes a cladding coating the form which is stable to ultraviolet radiation.
REFERENCES:
patent: 3634992 (1972-01-01), Hughes
patent: 4724597 (1988-02-01), Johnson
patent: 4791771 (1988-12-01), Haugaard et al.
patent: 4924631 (1990-05-01), Davies et al.
Friedman Carl D.
Marvin Lumber and Cedar Company
Nawrocki Lawrence M.
Smith Creighton
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