US PATENT SUBCLASS 493 / 48
.~.~ With application of forced air, vacuum or vibration to assist handling

Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

39  DF  CIGARETTE FILTER MAKING {5}
47  DF  .~ By assembling dissimilar filter materials (e.g., fiber and powdered charcoal, etc.) {2}
48.~.~ With application of forced air, vacuum or vibration to assist handling

DEFINITION

Classification: 493/48

With application of forced air, vacuum or vibration to assist handling:

(under subclass 47) Method or apparatus including applying higher or lower than atmospheric pressure air to the material being assembled, or including imparting short distance, rapid, to-and-fro movement to the material being assembled or to structure for transport of the material to aid in transport of the material.