Surface hardened steel cutting blade

Details Surface hardened steel cutting blade Surface hardened steel cutting blade

1972-12-29

1976-08-17

Smith, Al Lawrence

Cutlery

Blades

Metallurgical feature

76104A, B26B 1300, B21K 1106

Patent

active

039745643

ABSTRACT:
A surface hardened steel cutting blade adapted to be used in shear against another hardened blade has chipping eliminated or reduced substantially by limiting the hardened layer of the inner face of the blade to 0.002 to 0.008 inches thick, backed by a softer layer which is exposed at the edge face adjacent the cutting edge.

REFERENCES:
patent: 1792505 (1931-02-01), Noble
patent: 2361554 (1944-10-01), Lundbye
patent: 2371600 (1945-03-01), Bartholomew
patent: 3193926 (1965-07-01), Honiss

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