Method of making an earth tilling sweep from disc scrap

Details Method of making an earth tilling sweep from disc scrap Method of making an earth tilling sweep from disc scrap

1999-08-23

2000-09-19

Bryant, David P.

Metal working

Plow or cultivator iron making

29417, 76113, 761041, 172730, 172765, B21H 706, B21K 1902

Patent

active

061193216

ABSTRACT:
A method of making earth tilling sweeps from disc scrap including a process of cutting a plurality of circular discs side-by-side to form disc cut-outs as well as discs. Each cut-out is formed around an axis which is perpendicular to the plane of the sheet of metal from which the discs are cut. The method herein includes leaving a predetermined width of material between the disc cut-outs and a predetermined width of metal between each respective disc cut-outs on at least one of the side edges. A sweep blank is made by cutting between and through the width of metal between the cut-outs and between the one edge and each one of two adjacent cut-outs. Further cutting of the sweep blank toward its final configuration includes forming attachment openings therein. The sweep blank is then bent into a three-dimensional shape for use in tilling the earth.

REFERENCES:
patent: 1639593 (1927-08-01), Dean
patent: 1648843 (1927-11-01), Francis
patent: 2226884 (1940-12-01), Wiese
patent: 5259461 (1993-11-01), Cochrane
patent: 5752407 (1998-05-01), Becker et al.

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