Method of manufacture of anti-slip fastener

Details Method of manufacture of anti-slip fastener Method of manufacture of anti-slip fastener

1991-07-22

1996-12-10

Wilson, Neill R.

Threaded, headed fastener, or washer making: process and apparat

Process

Making externally threaded fastener, e.g., screw or bolt

470 11, 411404, 411407, B21H 302, B23G 900, F16B 2300

Patent

active

055825486

ABSTRACT:
A fastener system includes a fastener and a driver tool in which the fastener includes a cavity for insertion of the driver tool and in which the driver tool and the fastener form an interlocking relationship between the driver tool and the fastener is formed by having a portion of the fastener overlie a portion of the driver tool. This interlocking relationship prevents accidental separation of the driver tool from the fastener and consequent marring of the surfaces of the work pieces being joined together and also prevents stripping of the driver tool and the fastener cavity.

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patent: 4911593 (1990-03-01), Kephart

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