US PATENT SUBCLASS 72 / 370.01
.~.~ Comprising use of internal tool

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

362  DF  PROCESS {8}
367.1  DF  .~ Tube making or reshaping {11}
370.01.~.~ Comprising use of internal tool {4}
370.02  DF  .~.~.~> End necked down
370.03  DF  .~.~.~> End upset
370.04  DF  .~.~.~> Laterally pressed die(s) {1}
370.06  DF  .~.~.~> Expanding tube {2}

DEFINITION

Classification: 72/370.01

Comprising use of internal tool:

(under subclass 367.1) Process including the use of an active or passive tool located within the interior of the work during the reshaping operation.

(1) Note. A passive or undriven tool is commonly termed an anvil, a core, or a mandrel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

57+, for a process involving the use of fluent material as a core or passive tool (e.g., liquid, sand, shot).

96+, 113, 139, 142+, 148, 150, 193, 208+, 264+, 283, and 352+, for a process involving the use of an internal tool in a metal-deforming operation employing a specified type of apparatus.

398, for apparatus comprising a floating mandrel.