Static structures (e.g. – buildings) – Cover with surface water receiver at eave or valley
Patent
1979-01-18
1980-09-23
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Cover with surface water receiver at eave or valley
52 90, 52 94, 523092, 523098, 52262, E04D 1300
Patent
active
042234875
ABSTRACT:
A roof construction utilizing thermoplastic panels and a method of making the same. The thermoplastic panels are arranged in edge contacting relation to span a roof underpanel supported by a roof frame. The thermoplastic panels carry anchor members projecting through openings in the underpanel and secured to the frame. The thermoplastic panels are bonded together at their margins. The thermoplastic panels at the roof margins have downturned flanges. Gutters have flanges which underlie and are anchored to the marginal panels at building eaves.
The method involves formation of spaced openings in the roof underpanel adjacent to roof frame members to receive thermoplastic anchor strips whose upper ends contact the thermoplastic panels to be bonded thereto by the application of heat to the panel part contacted by the anchors. The lower ends of the anchors are secured to the frame members. The marginal portions of the thermoplastic panels project beyond the edges of the underpanel and are heated and downturned alongside the edges of the underpanel.
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A. Renfrew & Phillip Morgan, Polythene, The Technology and Uses of Ethylene Polymers London, Iliffe & Sons, Ltd., 1963, pp. 397-405, 543.
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