Title: High speed punching apparatus and tool therefor

Abstract: A high speed punching apparatus for cutting parts out of generally flat stock with said apparatus including means for selectively adjusting the tool stripping force to accommodate different materials, means for avoiding possible cutting of an overlaying template, means for minimizing friction between the punching tool and associated die button, means for minimizing hangup of burrs on the work piece in the die button and also a punching tool having means for minimizing friction and for expelling chips cut from the workpiece.

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Inventors: LaLone, Barry Grant (Lake Orion, MI, US)

Application Number: 600636
Filing Date: 1975-07-31
Publication_date: 1977-03-22
Assignee:
Primary Class(es): 83/140 83/382, 83/389, 83/395, 83/916
Other Classes:
US Patent Ref:

1723106	Aug, 1929	Wiglenda	83/395.
2394346	Feb, 1946	Wiedman	83/387.
2650663	Sep, 1953	Wales et al.	83/916.
3205742	Sep, 1965	Williamson	83/140.
3368436	Feb, 1968	Weisbeck	83/140.
3481236	Dec, 1969	Nicklasson	83/140.
3926082	Dec, 1975	Langendorff	83/140.

Other Refs:
Primary Examiner: Abercrombie, Willie G.
Assistant Examiner:
Attorney: Harness, Dickey & Pierce