Static structures (e.g. – buildings) – Wall – ceiling – floor – or roof designed for ventilation or...
Patent
1985-01-31
1987-04-07
Friedman, Carl D.
Static structures (e.g., buildings)
Wall, ceiling, floor, or roof designed for ventilation or...
52602, 52513, 52506, E04B 170
Patent
active
046550186
ABSTRACT:
A roof paver system includes a plurality of roof paver elements having alternating dovetail-shaped and tapered grooves and an upper surface having raised portions to generate vortexes for preventing wind from lifting the elements and to provide a safety tread. Connecting members are provided in some of the dovetail grooves to interconnect the roof paver elements and further prevent their displacement. The tapered grooves break the vacuum between the roof paver elements and the molds in which they are formed. Clips are provided to mate with outwardly projecting toes on the roof paver elements in perimeter courses to align and anchor them, and elongate battens, which are dovetail-shaped in cross section, are received in the dovetail grooves and include openings for receiving thin elements transverse to the battens to engage the concrete elements at the ends of the grooves.
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"Roofblok"-Roofblok Limited, Waltham, MA.
"Foster Roof Paver & Rebar Supports"-Foster Masonry Products, Acton, MA.
"Prior Art At", (one sheet).
Friedman Carl D.
National Concrete Masonry Association
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