Package making – Progressively seamed cover web or web folds – With closing of web between package units
Reexamination Certificate
2011-07-12
2011-07-12
Desai, Hemant M (Department: 3721)
Package making
Progressively seamed cover web or web folds
With closing of web between package units
C053S562000, C053S403000
Reexamination Certificate
active
07975457
ABSTRACT:
The present invention concerns a machine and a method for converting a web of preformed pouches to dunnage units. In one exemplary embodiment the machine includes a drive, a blower, and a sealing mechanism. The drive is arranged to move the web of preformed pouches along a path of travel through the machine. The blower is positioned with respect to the path of travel, to inflate the preformed pouches. The sealing mechanism includes a heating element support and a heating element. The heating element support includes a sealing side and a belt preheating side. The heating element is disposed around at least a portion of the heating side and at least a portion of the belt preheating side. The drive includes a belt that is disposed around the heating element. The sealing mechanism is positioned with respect to the path of travel, to provide seals to the pouches to form inflated dunnage units. The heating element support is configured to maintain the heating element in contact with the heating element support preheating side.
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Automated Packaging Systems, Inc.
Calfee Halter & Griswold LLP
Desai Hemant M
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