US PATENT SUBCLASS 53 / 451
.~.~ Vertically formed, filled, and sealed tubular package

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

396  DF  METHODS {22}
450  DF  .~ Enclosing contents within progressively formed web means {1}
451.~.~ Vertically formed, filled, and sealed tubular package

DEFINITION

Classification: 53/451

Vertically formed, filled, and sealed tubular package:

(under subclass 450) Methods in which the longitudinal axis of the tubular cover is maintained generally perpendicular to a horizontal plane during the forming and filling steps.

SEE OR SEARCH THIS CLASS, SUBCLASS:

551, for apparatus for forming vertically extending tubes from a single folded web.

554, for apparatus for forming vertically extended tubes from plural webs.