Method of and apparatus for forming, filling and sealing packages
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United States of America Patent
Stats
-
Jul 5, 1983
Grant Date -
N/A
app pub date -
Sep 8, 1980
filing date -
Sep 8, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method of and apparatus for forming, filling and sealing packages in which flexible packaging material is formed into tubing, the tubing is fed downwardly and transversely sealed at package length intervals by a pair of sealing members, a quantity of the product with which the packages are to be filled is delivered into the tubing during an interval of time between successive sealing operations, a contraction is formed in the tubing, after each delivery of product, above the level of the next seal to be made, the contraction is transmitted down on the tubing between the sealing members from above to below said level, thereby to compact the product, and the next seal is then made.
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