US PATENT SUBCLASS 53 / 526
.~.~.~ Compressing with or through cover

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

111 R  DF  WITH CONTENTS TREATING {4}
113  DF  .~ Reshaping {7}
523  DF  .~.~ Compacting or stretching {6}
526.~.~.~ Compressing with or through cover

DEFINITION

Classification: 53/526

Compressing with or through cover:

(under subclass 523) Apparatus in which the compressive force is applied to the contents material through the enclosing cover.

(1) Note. Devices which (a) shape the filled package before or after sealing, (b) close hinged flap of a filled carton to compress the material therein, or (c) force a separate cover onto a container to compress the material are classified here.