US PATENT SUBCLASS 30 / 479
.~ Core box former type
Current as of: June, 1999
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DEFINITION
Classification: 30/479
Core box former type:
(under subclass 478) Device adapted to cut a channel having a rounded cross-section in a workpiece by means of an arcuate movement of the cutting edge relative to the base.
(1) Note. Art in this subclass is of the type used to form a mold section adapted for casting cylindrical cores.
