Locking plate for fastening insulation

Details Locking plate for fastening insulation Locking plate for fastening insulation

1988-10-26

1990-03-13

Lindsey, Rodney M.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Headed fastener element with nut, washer, securing means or cap

Headed bolt or screw with threads and complementary nut

411533, 411396, 52410, 52512, F16B 4300

Patent

active

049079271

ABSTRACT:
A locking plate which is adapted for fastening insulation to a roof deck employs a locking grommet which snaps into the roofing plate and seats the head of the fastener. The locking grommet locks the fastener to the plate and maintains a constant fixed relationship at all times between the fastener head and the locking plate thereby preventing the head from popping up above the plate.

REFERENCES:
patent: 4630984 (1986-12-01), Reinwall et al.
patent: 4663910 (1987-05-01), Hasan
patent: 4712959 (1987-12-01), Hasan
patent: 4757661 (1988-07-01), Hasan
patent: 4763456 (1988-08-01), Giannuzzi
patent: 4780039 (1988-10-01), Hartman
patent: 4781503 (1988-11-01), Bogel

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