US PATENT SUBCLASS 53 / 568
.~.~ Longitudinally prefolded web stock

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

558  DF  APPARATUS FOR FORMING OR PARTIALLY FORMING RECEPTACLE AND SUBSEQUENTLY FILLING {5}
564  DF  .~ Forming by opening or setting up collapsed receptacle {6}
568.~.~ Longitudinally prefolded web stock

DEFINITION

Classification: 53/568

Longitudinally prefolded web stock:

(under subclass 564) Apparatus in which the collapsed receptacle comprises a continuous web of flexible material flat folded longitudinally and stored upon itself.

(1) Note. The web after opening may be seamed transversely to isolate contents and simultaneously severed to separate the packaged unit from the folded web supply.

SEE OR SEARCH THIS CLASS, SUBCLASS:

562, for devices for folding and side-seaming webs to form flat bags.