Defensive personnel barrier

Details Defensive personnel barrier Defensive personnel barrier

1980-03-10

1982-05-11

Kee Chi, James

Fences

Barbed

Strands

256 47, 256 55, 140 58, 140 66, 29 71, B21F 2500, E04H 1704

Patent

active

043289550

ABSTRACT:
A defensive personnel barrier and method for fabrication thereof includes an elongated metal strip having a longitudinally extending bend therein to form a spine extending therealong with laterally opposed flanges extending obliquely from the spine. Each flange is stamped or die cut to provide a plurality of cuts spaced therealong and extending diagonally from the spine to the outer edge of the flange. The diagonally cut portions are bent upwardly from the plane of the flange to form a plurality of barbs spaced longitudinally in the metal strip. The barbs of the opposed flanges are staggered longitudinally, and the edges of the barbs are sufficiently sharp to discourage manual grasping of the strip. One or more strips may be secured atop a fence or similar barrier to discourage climbing thereon. The barrier strips may also be secured to existing linear barbed wire strands by means of a saddle block and J bracket assembly provided by the invention.

REFERENCES:
patent: 244274 (1881-07-01), Marshall
patent: 303625 (1884-08-01), Crump
patent: 324221 (1885-08-01), Brinkerhoff
patent: 1187280 (1916-06-01), Dodds
patent: 2940732 (1960-06-01), MacChesney et al.
patent: 2948049 (1960-08-01), Wilson
patent: 3463455 (1969-08-01), Meckel
patent: 3480256 (1969-11-01), Simon et al.

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