US PATENT SUBCLASS 53 / 228
.~.~ U-fold forming initial wrap

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

203  DF  WRAPPING MACHINES {8}
220  DF  .~ Cover-wiping passage or pocket for initial wrap {2}
228.~.~ U-fold forming initial wrap {3}
229  DF  .~.~.~> Outturned longitudinal seam
230  DF  .~.~.~> Package advanced through succeeding fold chute {1}
232  DF  .~.~.~> Package advanced by folding carrier {2}

DEFINITION

Classification: 53/228

(under subclass 220) Apparatus in which the contents with one face contacting its cover material is passed through a die passage or pocket such that the two opposite adjacent sides of the package have the cover smoothed along the same so that the two sides and original contacting side of the cover material form a U in cross-section.