US PATENT SUBCLASS 53 / 73
.~.~ Skip feed by absence of contents


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

52  DF  WITH MEANS RESPONSIVE TO A SENSED CONDITION {6}
64  DF  .~ Of receptacle or cover feed or adjunct feed or application {5}
73.~.~ Skip feed by absence of contents


DEFINITION

Classification: 53/73

(under subclass 64) Apparatus in which the sensing of the absence of a contents to be packaged interrupts the feeding operation of the cover material for that package.

SEE OR SEARCH CLASS

141, Fluent Material Handling, With Receiver or Receiver Coacting Means,

139, and 153 for automatic control by contents of filling

systems having means for presenting successive receivers to be filled.

198, Conveyors: Power-Driven,

232, for devices for controlling the stopping of a conveyor by the presence or absence of an article thereon.