US PATENT SUBCLASS 29 / 898.057
.~.~.~.~.~.~ Die-press shaping

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
898  DF  .~ Process for making bearing or component thereof {13}
898.04  DF  .~.~ Rotary bearing {3}
898.042  DF  .~.~.~ Plain bearing {2}
898.054  DF  .~.~.~.~ Sleeve or bushing making {3}
898.056  DF  .~.~.~.~.~ Strip or blank material shaping {1}
898.057.~.~.~.~.~.~ Die-press shaping {1}
898.058  DF  .~.~.~.~.~.~.~> Having inner lining layer

DEFINITION

Classification: 29/898.057

Die-press shaping:

(under subclass 898.056) Process wherein the means for manufacturing or altering the shape of the sleeve or bushing includes a movable member to forcibly press strip or blank material into a shaped cavity to such an extent that the work has impressed therein a shape in substantial conformance with at least a portion of said shaped cavity.