File fastener method of manufacture

Details File fastener method of manufacture File fastener method of manufacture

1997-04-11

1999-01-26

Han, Frances

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

29412, 29 13, 402 8, 402 14, B21F 4522, B42F 1300

Patent

active

058625798

ABSTRACT:
A method of manufacturing a file fastener from a flat metal strip having top and bottom surfaces with narrow side surfaces therebetween, includes providing an elongate body portion. A prong extends from each end of the body portion, with at least the side surfaces of the prongs having a protective coating. The invention extends to a method of manufacturing a string of file fasteners, each file fastener being of a flat metal strip having an elongate body portion. A prong extends from each end of the body portion, with the file fasteners being connected via frangible bridges.

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