Packaging device and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 28, 1989
Grant Date -
N/A
app pub date -
Mar 2, 1988
filing date -
Mar 2, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealing device for covering containers which prior to sealing has a member which reduces the volume of the container and in which the member is released after sealing to allow a vacuum circulation to exist in the sealed container. A further feature provides that the volume reducing, sealing and releasing steps occur while the containers are continuously moved along a conveyor.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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