Packaging method and apparatus
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United States of America Patent
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Mar 13, 1990
Grant Date -
N/A
app pub date -
Oct 5, 1988
filing date -
Oct 16, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A packaging method includes the steps of supplying auxiliary bags, adding an adhesive layer to one of the surfaces of each auxiliary bag, feeding a continuous sheet-like wrapping material to a forming and filling assembly, attaching the auxiliary bags by the adhesive layer to the wrapping material during travel thereof, at an interval corresponding to a length required for forming each package and each at a portion thereof which becomes an inner surface of the package other than sealed portions thereof, forming the wrapping material into a tubular shape with the auxiliary bags inside, supplying articles into the tubular wrapping material and sealing the same to form the packages.
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