Package making – With means responsive to a sensed condition – Separate delivery of incomplete or defective contents or...
Patent
1989-11-13
1991-07-23
Coan, James F.
Package making
With means responsive to a sensed condition
Separate delivery of incomplete or defective contents or...
53494, 209936, B07B 1104, B65B 5710
Patent
active
050332511
ABSTRACT:
Methods and apparatus for automatically recovering product from a partially-filled multiple cavity package, such as a "blister" package, are disclosed. Automatic product recovery is necessary for reducing the cost associated with the partial filling of blister packages when mass producing products, such as pharmaceuticals, that are packaged together in units. A preferred embodiments of the invention comptises a feeler and an associated photoelectric switching device disposed so that the penetration of the feeler into an unfilled cavity causes the photoelectric switching device to actuate. The actuation of the photoelectric device triggers means for recovering product from the package. The recovering means comprises air jets for dislodging the product from the package, a holding vessel, and a vacuum for transferring the product into the holding vessel. If timed recovery is desired, a microprocessor circuit for automatically triggering the recovering means at a predetermined time, is also provided.
REFERENCES:
patent: 3889447 (1975-06-01), Garris
patent: 4094129 (1978-06-01), List
patent: 4530435 (1985-07-01), Stohlquist
patent: 4592470 (1986-06-01), Mattei et al.
patent: 4737270 (1988-04-01), Phelps
Coan James F.
Mc-Neil-PPC, Inc.
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