Package making – Means to open or erect receptacle – Means to open bag
Reexamination Certificate
2005-04-19
2005-04-19
Smith, Scott A. (Department: 3721)
Package making
Means to open or erect receptacle
Means to open bag
C053S573000, C053S572000
Reexamination Certificate
active
06880310
ABSTRACT:
An apparatus and method for automatic opening of bags uses bags in a folded configuration that include a small aperture near the top thereof. The aperture allows a number of bags to be hung in a substantially vertical orientation on an angled protruding member. A vacuum-operated device engages one side of one of a first bag on the side of the bag opposite to the aperture and retracts, thus opening the bag using the force generated between the protruding member and the vacuum-operated device. This allows the bag to be opened without extraction from the protruding member. The open bag is clamped in position and loaded using conventional technology. The fully loaded bag is moved out of the loading position onto a conveyor belt. The movement of the fully loaded bag tears the back portion of the bag near the aperture thus freeing the bag from the protruding member. The loaded bag may be subsequently sealed and processed for shipping.
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Germunson Gary G.
Main Timothy B.
Davis , Wright, Tremaine, LLP
Donohue Michael J.
Smith Scott A.
Weeks Gloria R.
Yakima Packaging Automation, Inc.
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