Washer for roofing insulation

Details Washer for roofing insulation Washer for roofing insulation

1986-03-17

1987-05-12

Bell, J. Karl

Static structures (e.g., buildings)

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

Tie crossing dividing lamina

52512, 411542, 411533, E04D 336, F16J 1510

Patent

active

046639101

ABSTRACT:
A washer for attaching insulation to a roof member over which roofing membrane is to be placed. The washer includes a laterally extending apertured flange and an upstanding hollow cylindrical protrusion adapted to snappingly engage the head of a fastener used with the washer. The protrusion has an inwardly extending lip on the inside surface of the free end of the protrusion. A resilient rib is disposed between the protrusion and the apertured in the washer. The rib resiliently urges head of the fastener into engagement with the lip. The washer includes a downwardly extending hub, which may be equipped with means for retaining the washer in a batten strip.

REFERENCES:
patent: 3062253 (1962-11-01), Millheiser
patent: 3910588 (1975-10-01), Austin
patent: 4074501 (1978-02-01), Sandquist
patent: 4092896 (1978-06-01), Puchy
patent: 4361997 (1982-12-01), DeCaro
patent: 4380413 (1983-04-01), Dewey
patent: 4391559 (1983-07-01), Mizusawa
patent: 4437283 (1984-03-01), Benoit
patent: 4545270 (1985-10-01), Dewey
patent: 4587377 (1986-05-01), Rodseth
TAPDEK-SP Publication 6047.

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