Method for the production of prismatic containers with plane gable surfaces without any lateral ears
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United States of America Patent
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Jan 9, 1990
Issued Date -
N/A
app pub date -
Dec 12, 1988
filing date -
Aug 13, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method of forming prismatic liquid containers from continuously fed tubing, lateral regions of the tube to be connected by sealing strips are pressed inwardly before adjacent gable surfaces of the tubing are pressed together and sealed, thereby avoiding the formation of unsightly projections and any internal air cushion.
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