US PATENT SUBCLASS 493 / 9
.~.~ By use of pneumatic sensor

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

3  DF  CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR {5}
8  DF  .~ Responsive to work material, the product or means engaging the work material or the product {13}
9.~.~ By use of pneumatic sensor

DEFINITION

Classification: 493/9

By use of pneumatic sensor:

(under subclass 8) Method or apparatus including the use of a detecting means responsive to air striking it or emanating from it or responsive to pressure or vacuum in a supply line, which supply line is for release of air to or vacuum from the atmosphere.