Fastener assembly for a roof membrane

Details Fastener assembly for a roof membrane Fastener assembly for a roof membrane

1987-03-16

1988-02-23

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Disparate sheet lamina between exposed surfaces of wall,...

Tie crossing dividing lamina

52512, 411511, E04B 162

Patent

active

047261641

ABSTRACT:
An assembly for fastening a flexible membrane to a layer of insulation on a roof deck includes a plastic disc and a threaded screw which, when tightened, clamps the disc to the membrane. Angularly spaced pins are formed integrally with and depend from the underside of the disc and bite into the membrane to help prevent edgewise tearing of the membrane when wind uplift forces are exerted on the membrane. The pins preferably are formed between the ends of radially extending and angularly spaced ribs which depend from the underside of the disc to resist upward flexing of the disc.

REFERENCES:
patent: 1111034 (1914-09-01), Robertson
patent: 4361997 (1982-12-01), DeCaro
patent: 4380413 (1983-04-01), Dewey
patent: 4574551 (1986-03-01), Giannuzzi
patent: 4620402 (1986-11-01), Beneze
patent: 4630984 (1986-12-01), Reinwall et al.

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