US PATENT SUBCLASS 242 / 554.6
.~.~.~.~ Speed matching (e.g., new roll to running material)

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

550  DF  UNWINDING {8}
551  DF  .~ With attachment to preceding material {5}
554  DF  .~.~ With automated control {5}
554.5  DF  .~.~.~ Drive or brake control {1}
554.6.~.~.~.~ Speed matching (e.g., new roll to running material)

DEFINITION

Classification: 242/554.6

Speed matching (e.g., new roll to running material):

(under subclass 554.5) Subject matter wherein the automated control induces unwinding of a replacement coil or material at a rate compatible with the unwinding rate of an expiring coil or material.