Self voiding jaw for packaging machine
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United States of America Patent
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-
Sep 28, 1993
Grant Date -
N/A
app pub date -
Mar 19, 1992
filing date -
Dec 20, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A heat sealing device adapted for the clamping jaws of form, fill and seal machines. The heat sealing device in a single operation produces a transverse seal in thermoplastic film, tubular containers and severs the tube to simultaneously close the top of a filled container and create the bottom of a next-to-be-filled container. The base, upon which the heat sealing element is mounted, has slots that cause any product on the inner surfaces of the films in the area to be sealed to be removed, thereby producing consistently effective heat seals. The heat sealing device is particularly suitable for packaging flowable materials including, for example, chocolate sundae topping, thick sauces and dressings.
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