Static structures (e.g. – buildings) – Opaque stonelike module – Elongated reinforcing
Patent
1989-09-06
1990-12-18
Scherbel, David A.
Static structures (e.g., buildings)
Opaque stonelike module
Elongated reinforcing
52605, E04B 504
Patent
active
049777300
ABSTRACT:
A roof paver element includes a plurality of ribs projecting from a planar body portion, the ribs terminating in bottom surfaces having rounded longitudinal boundaries. The ribs are connected to the planar body portion and to one another by fillets. Sides of the planar body portions include depressions which form pressure equalization chambers with the sides of the body portions of adjacent roof paver elements in a roof system to hinder the development of air pressure differentials between the region above the roof paver elements and the spaces below the planar body portions.
REFERENCES:
patent: 950060 (1910-02-01), Smith et al.
patent: 2039183 (1936-04-01), Nagel
patent: 3538654 (1970-11-01), Gerula
patent: 3694982 (1972-10-01), Gerhaher
patent: 4506483 (1985-03-01), Phalen, Jr.
patent: 4535579 (1985-08-01), Burgoyne et al.
patent: 4655018 (1987-04-01), Pardo
patent: 4776144 (1988-10-01), Pardo
Mai Lan
National Concrete Masonry Association
Scherbel David A.
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