US PATENT SUBCLASS 53 / 374.4
.~.~.~.~ Closing means comprising roller or roller-like member

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

285  DF  CLOSING PACKAGES AND FILLED RECEPTACLES {7}
373.2  DF  .~ By means adapted to engage outturned seam of package cover {6}
373.7  DF  .~.~ With means to heat or cool seam {5}
374.3  DF  .~.~.~ With means to advance package during closing {3}
374.4.~.~.~.~ Closing means comprising roller or roller-like member

DEFINITION

Classification: 53/374.4

Closing means comprising roller or roller-like member:

(under subclass 374.3) Apparatus wherein the means to close the package or filled receptacle turns about an axis and engages with its radially outwardly facing radial extremity with rolling engagement.