Prong-type fastener

Details Prong-type fastener Prong-type fastener

1978-10-30

1981-01-13

Britts, Ramon S.

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

Impact driven fastener, e.g., nail, spike, tack, etc.

Of sheet metal

24 73B, 52506, F16B 1700, E04B 140, A44B 2100

Patent

active

042442699

ABSTRACT:
A fastener for attaching a panel of insulating material to the inner surface of a metallic wall structure. The fastener consists of a prong-type member having one end mounted onto the inner wall surface of the wall structure and adapted to have its opposite free end penetrated through a panel of insulating material with such free end cooperating with a locking plate positioned exteriorly of the panel of insulating material for securing the same onto the wall structure.

REFERENCES:
patent: 1248047 (1917-11-01), Woolley
patent: 1690853 (1928-11-01), Behrman
patent: 2697857 (1954-12-01), Eckel
patent: 3511127 (1970-05-01), Gisondi
patent: 3798710 (1974-03-01), Tinnerman
patent: 4111096 (1978-09-01), Fasth

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