Ground-implantable plastic fastener for holding erosion cloth on

Details Ground-implantable plastic fastener for holding erosion cloth on Ground-implantable plastic fastener for holding erosion cloth on

1986-12-11

1989-05-23

Wilson, Neill

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

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

Hook head

411470, 411446, 411908, 405 19, F16B 1502, F02B 312

Patent

active

048325570

ABSTRACT:
An implantable polycarbonate fastener for holding erosion cloth on the ground. The fastener has a long vertical leg, a shorter vertical leg extending parallel to the long leg, and a horizontal top leg extending between them. The long vertical leg has a tapered lower end segment with a downwardly and outwardly inclined inside face to cause the long leg to bend away from the shorter vertical leg as it is driven down into the ground, thereby making the implanted fastener harder to pull out of the ground.

REFERENCES:
patent: 2771 (1842-09-01), Buckelew
patent: 147343 (1874-02-01), Miles
patent: 202179 (1878-04-01), Lennon
patent: 324310 (1885-08-01), Dunn et al.
patent: 916153 (1909-03-01), Hoff
patent: 2314481 (1943-03-01), Crooks
patent: 2457454 (1948-12-01), Dunlap
patent: 3395625 (1968-08-01), Blanchette et al.

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