Packaging device and method

Details Packaging device and method Packaging device and method

1988-03-02

1989-02-28

Spruill, Robert L.

Package making

Methods

With contents treating

53289, 53510, B65B 3102

Patent

active

048074241

ABSTRACT:
A sealing device for covering containers which prior to sealing has a member which reduces the volume of the container and in which the member is released after sealing to allow a vacuum circulation to exist in the sealed container. A further feature provides that the volume reducing, sealing and releasing steps occur while the containers are continuously moved along a conveyor.

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