.~ Tool-comprising die plate having ribs and/or grooves
DEFINITION
Classification: 72/469
Tool-comprising die plate having ribs and/or grooves:
(under subclass 462) Apparatus including a work-deforming surface having a plurality of extended, alternating hills and valleys bounded generally by two substantially parallel planes.
(1) Note. The tool defined above is used in the disclosures placed in subclasses 88+. For further description of such a tool and its action on the work especially when two such
tools cooperate with each other, see the definitions and notes of subclasses 88+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
88+, 180, 188, and 221+, for disclosures of a tool having ribs and/or grooves.