Patent
1977-02-10
1978-04-11
Coan, James F.
53175, B31B 702
Patent
active
040832937
ABSTRACT:
Apparatus is disclosed for forming and placing a flexible liner into a shipping container with the open end of the liner draped over the sides of the container and the closed end of the liner spread into the bottom corners of the container. The device includes structure supporting a pair of cross heads moving relative to each other, each having a pair of side by side container liner engaging devices for opening and holding the liner in position for insertion into the container. One of the liner engaging devices has a dimension to enter the liner and extend to the closed end thereof, and the other is spaced from the first liner engaging device to enter the liner and extend partway to the closed end thereof, the liner engaging devices being spaced from each other to accommodate therebetween the walls of the shipping container. As the liner engaging devices are moved with respect to the container, the open end of the liner is draped about the container. The collapsible and expandable feature of this device, unlike the rigid form of the prior art, is intended to facilitate liner placement onto the liner engaging devices.
According to one aspect of the invention placement of the liner into a shipping container is achieved by apparatus for moving liner engaging devices by mechanical-fluid means relative to a container for insertion therein of the flexible liner.
According to another aspect, the liner is moved from a roll of flattened liners, severed, opened, and draped about the liner engaging devices, inserted into a shipping container, all of said steps taking place in apparatus performing same automatically.
REFERENCES:
patent: 1609491 (1926-12-01), Myers
patent: 2162263 (1939-06-01), Lindholm et al.
patent: 2274345 (1942-02-01), Palmer
patent: 2380913 (1945-08-01), Bennett
patent: 2694965 (1954-11-01), Vergobbi
patent: 3380222 (1968-04-01), Bergmann et al.
Coan James F.
Container Corporation of America
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