Fastening elements to be driven into hard receiving materials

Details Fastening elements to be driven into hard receiving materials Fastening elements to be driven into hard receiving materials

1996-11-01

1998-03-24

Wilson, Neill R.

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

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

Having means to facilitate explosive driving

411440, 411490, 470 34, F16B 1500, B21G 300

Patent

active

057305706

ABSTRACT:
A fastening element such as a bolt, nail and the like to be driven into a receiving material, is formed of a high corrosion resistant steel. The fastening element has an axially extending leading region (1) to be driven into the receiving material and trailing region (2) with the two regions forming a single monolithic member. The diameter of the trailing region (2) is greater than that of the leading region (1) and has a hardness in the range of 35-43 Rockwell C hardness while the leading region has a hardness in the range of 46-55 Rockwell C hardness.

REFERENCES:
patent: 3505919 (1970-04-01), Batliner et al.
patent: 4209889 (1980-07-01), Silva et al.
patent: 4979858 (1990-12-01), Van Allman et al.
patent: 4986709 (1991-01-01), Hachtel et al.
patent: 5286153 (1994-02-01), Sartor et al.

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