US PATENT SUBCLASS 72 / 472
.~.~ Including plural tool couples

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

462  DF  TOOL AND/OR TOOL HOLDER {7}
470  DF  .~ Including tool couple or die couple (e.g., opposed die faces) {4}
472.~.~ Including plural tool couples

DEFINITION

Classification: 72/472

Including plural tool couples:

(under subclass 470) Apparatus comprising at least two separate tool couples.

(1) Note. For placement in this subclass, a patent should claim two (or more) tool-couples, each of the two having the limitations stated in the definition of subclass 470. Exemplary patents herein disclose the tool couples operating sequentially or simultaneously.