Metal tools and implements – making – Blank or process
Patent
1976-05-26
1977-07-26
Whitehead, Harold D.
Metal tools and implements, making
Blank or process
B21K 176
Patent
active
040374947
ABSTRACT:
A method of producing a radial arm-type cutter blade for a rotary meat grinder by way of certain particular successive operations involving stamping a blank to provide a plurality of radially and horizontally extending blank arms, bending the leading side marginal portions of the arms upwardly and outwardly along radial lines between the leading and trailing side edges of the arms, and shearing the outer side edge regions of the outwardly and upwardly bent leading side marginal portions of the arms.
REFERENCES:
patent: 431230 (1890-07-01), Leopold
patent: 849329 (1907-04-01), Colthar
patent: 2914103 (1959-11-01), Ferris
Gerlach Norman H.
Parker Roscoe V.
Speco, Inc.
Whitehead Harold D.
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