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United States of America Patent
Stats
-
Oct 14, 1980
Issued Date -
N/A
app pub date -
Jan 27, 1978
filing date -
Jan 27, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A package comprising a tube of flexible material having a first and second end, a first ultrasonic seal extending transversely across the tube and closing said first end, a second ultrasonic seal extending transversely across the tube and closing said second end, a chamber formed by said tube and end seals for containing contents, a hollow stem extending through and supported by the second seal with an inner end inside the chamber and an outer end outside the chamber, and a removable seal closing the outer end of the stem, said stem seal being removable when it is desired to dispense the contents from the package.
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