Method and apparatus for lining containers

Details Method and apparatus for lining containers Method and apparatus for lining containers

1976-09-24

1977-10-11

Coan, James F.

53175, B31B 774

Patent

active

040529312

ABSTRACT:
A bag-type liner is applied interiorly of a container, such as a corrugated carton or box, by inserting an open end of the liner over an open end of the container and thereafter creating a vacuum within the container and liner to simultaneously draw the liner within the container. In a first apparatus embodiment of this invention, the vacuum is created by moving a partially opened bottom of the container over a vacuum opening formed in the platen. In a second apparatus embodiment of this invention, a pair of vacuum plenums are movably mounted adjacent to sides and upper portions of the container to draw the vacuum over and between upper closure flaps connected to the container.

REFERENCES:
patent: 2162263 (1939-06-01), Lindholm et al.
patent: 2364012 (1944-11-01), Walton et al.
patent: 3387427 (1968-06-01), Perdue

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