Package making – With contents treating – Vacuum or inert atmosphere
Reexamination Certificate
2007-04-24
2007-04-24
Harmon, Christopher (Department: 3721)
Package making
With contents treating
Vacuum or inert atmosphere
C053S405000, C053S434000
Reexamination Certificate
active
10789456
ABSTRACT:
A vacuum packaging appliance for forming a hermetically sealed evacuated container. The appliance includes a lid adapted to define a vacuum chamber when moved to a closed position relative to a trough in the lower portion of the appliance. The trough in the lower portion of the appliance is removable from the lower portion of the appliance. In one embodiment, the appliance includes pneumatic latches that are used to hold the lid in a substantially fixed position relative to the lower portion of the appliance. Additionally, a single vacuum source can be used to active the pneumatic latches and the evacuate the vacuum chamber. The appliance is further adapted for connection to vacuum sealing attachments for various containers whereby the containers can be selectively evacuated.
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Harmon Christopher
Shurupoff Lawrence J.
Sunbeam Products Inc.
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