Shearing die and method of forming the same
United States Patent 2885913
US Patent References:
/0163674.html
- - 0163674

/0552800.html
- - 0552800

/1082986.html
- - 1082986

Blanking die and method of making the same
- - 1701546

/1701547.html
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Inventors:
Lescallette, Richard F.
Publication Date:
05/12/1959
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Assignee:
ARMSTRONG CORK CO
Primary Class:
76/107.800
Other Classes:
83/685
International Classes:
B21D37/20
US Patent References:
1747311Method of making embossing dies
2124591Cutting die
2124676Method of making cutting dies
2703022Die-cutting apparatus and method of producing same
2703023Die-cutting apparatus and method of producing same
2787922Method of making cutting dies
2791134Method of making cutting dies
2821871Method of making die-cutting apparatus
Foreign References:
DE42995C
AU126836B
CH236432A
GB165649A