US PATENT SUBCLASS 72 / 469
.~ Tool-comprising die plate having ribs and/or grooves


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



72 /   HD   METAL DEFORMING

462  DF  TOOL AND/OR TOOL HOLDER {7}
469.~ 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.