Static structures (e.g. – buildings) – Cover with surface water receiver at eave or valley – Inwardly of edge
Patent
1986-02-21
1987-05-12
Murtagh, John E.
Static structures (e.g., buildings)
Cover with surface water receiver at eave or valley
Inwardly of edge
52396, 405118, 404 68, E04D 1304, E04B 168
Patent
active
046638946
ABSTRACT:
A flexible drainage gutter for use under a horizontal surface having moisture accumulation or leaks under cracks or expansion joints. A flexible, waterproof membrane is attached along its elongated edges to rigid flanges which can be attached to the horizontal surface itself or to support members attached to the surface. The width of the membrane can vary so that the membrane hangs down from the flanges a greater distance downstream than upstream, thereby providing for the slope of the gutter. Alternatively, the wall portions of the flanges, to which the edges of the membrane are attached, can vary in width while maintaining the width of the membrane constant to provide for the slope of the gutter.
REFERENCES:
patent: 1061424 (1913-05-01), Swick
patent: 1982064 (1934-11-01), Norton
patent: 2572592 (1951-10-01), Brandt et al.
patent: 3057117 (1962-10-01), Singer
patent: 3346941 (1967-10-01), Patry et al.
patent: 3849958 (1974-11-01), Balzer et al.
patent: 4129967 (1978-12-01), Barlow
Butcher Robert A.
Corriveau Marcel L. M.
Dubuc Jean A.
Kelleher Denis M.
LaRoche Allan R.
Dennison Caroline D.
Lister John D.
Manville Corporation
Murtagh John E.
Quinn Cornelius P.
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