Method of making a surface with a sharp edge

Details Method of making a surface with a sharp edge Method of making a surface with a sharp edge

1991-11-04

1993-07-27

Parker, Roscoe V.

Metal tools and implements, making

Blank or process

761071, 76DIG6, 428636, 428687, B21D 4704

Patent

active

052302598

ABSTRACT:
A method of making a structure having a plurality of serrations on a surface is provided wherein each serration is positioned at a specific location along the surface, has first and second sides with specific lengths, and has effectively zero radius internal and external corners. In detail, the method comprising the steps of: providing a plurality of sheets of material having opposed principal surfaces, each said sheet having a thickness equal to the specific thickness of one of the first sides of the serrations; stacking said plurality of sheets of material in a staggered relationship such that said thicknesses of said sheets of material are in an order corresponding to the order of the first sides of the serrations and the distance between the ends of the adjacent ends of said sheets of material are in an order corresponding to the second sides of the serrations; and joining said stacked plurality of sheets of material together forming a joined stack with at least one end having a serrated surface thereon.

REFERENCES:
patent: 2056491 (1936-10-01), Stimson
patent: 3461748 (1969-08-01), Meyer

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