Fastening device

Details Fastening device Fastening device

1978-03-09

1981-04-28

Bonck, Rodney H.

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

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

Of sheet metal

411448, 411471, 441472, 441442, F16B 1504

Patent

active

042638305

ABSTRACT:
The disclosure relates to a fastening device for driving into building material, the device consisting of one or more elongate V profiles whose shanks, in the vicinity of the forward, penetrating end of the profiles are outwardly relieved or bevelled such that building material, on driving of the device into the material, is trapped between the shanks and forces them apart. A tip at the forward end of the profile is designed such that, on being driven in, it moves in the driving-in direction.

REFERENCES:
patent: 141810 (1873-08-01), Nichols
patent: 866357 (1907-09-01), Hammann
patent: 2033613 (1936-03-01), Crosby
patent: 2404245 (1946-07-01), Olsen
patent: 2495337 (1950-01-01), Lindham
patent: 2779229 (1957-01-01), Jahn
patent: 3058385 (1962-10-01), Abrahamsen
patent: 3170279 (1965-02-01), Dubini
patent: 4058047 (1977-11-01), Kramer et al.

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