Static structures (e.g. – buildings) – Disparate sheet lamina between exposed surfaces of wall,... – Tie crossing dividing lamina
Patent
1987-04-07
1988-03-01
Perham, Alfred C.
Static structures (e.g., buildings)
Disparate sheet lamina between exposed surfaces of wall,...
Tie crossing dividing lamina
24459, 52222, 52512, 52713, E04B 208, E04D 336, A44B 2100
Patent
active
047276991
ABSTRACT:
A roofing membrane securement system having an upper member and a lower member each of which is formed of a relatively hard, unyielding material. The lower member includes a bottom surface from which extends a preferably cylindrical wall. In one embodiment a plurality of ledges extend downwardly and inwardly from the upper edge of the inner surface of the circumferential wall. The upper member is preferably of circular shape, having a diameter less than that of the interior cross-sectional dimension of the cylindrical wall but greater than the distance between the innermost edges of circumferentially opposed ledges. In a second embodiment, ledges extend downwardly from the upper edge of the outer surface of the lower member circumferential wall, and the upper member has a downwardly extending wall adjacent the circumferential wall outer surface with ledges extending radially inwardly therefrom to engage beneath the lower member ledges. To secure a roofing membrane to a roof substrate, a plurality of lower members are fastened to the roof substrate at desired locations, and the roofing membrane is laid over the substrate and the lower members. Upper members are placed on the roofing substrate, over each lower member. Downward pressure is applied to each lower member, causing the lower member to snap into place so as to position both the roofing membrane and the upper member beneath the ledges. The necessary flexibility of the unyielding material is achieved by providing slots through the cylindrical wall or by arcuate slots in an area of the bottom surface directly below the ledges.
REFERENCES:
patent: 1452052 (1923-04-01), Nalle
patent: 3426412 (1969-02-01), Streng et al.
patent: 4233790 (1980-11-01), Meadows
patent: 4502256 (1985-03-01), Hahn
patent: 4520606 (1985-06-01), Francovitch
patent: 4617771 (1986-10-01), Tomaszewski
patent: 4624092 (1986-11-01), Baginski
patent: 4631887 (1986-12-01), Francovitch
patent: 4638532 (1987-01-01), Yang et al.
patent: 4658558 (1987-04-01), Verble
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