US PATENT SUBCLASS 53 / 292
.~.~.~.~ With suction or blast

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

285  DF  CLOSING PACKAGES AND FILLED RECEPTACLES {7}
287  DF  .~ Separate closure applying {17}
290  DF  .~.~ With preliminary closure shaping and/or treatment {2}
291  DF  .~.~.~ Unfolding, opening and/or stretching capsules or cots {3}
292.~.~.~.~ With suction or blast

DEFINITION

Classification: 53/292

(under subclass 291) Apparatus including pneumatic means which aid in the initial unfolding or opening of the closure member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

384.1+, and 570+, for pneumatic devices used in opening bag type receivers.