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United States Patent | 4,537,584 |
Everman , et al. | August 27, 1985 |
A method and apparatus for forming a plastic liner bag from a roll of plastic sleeve material and inserting the liner bag snugly within and over the upper edges of a bulk container.
Inventors: | Everman; Wayne F. (Cedar Falls, IA), Lewis; D. Michael (Cedar Falls, IA), Russell; Raymond L. (Cedar Falls, IA) |
Assignee: |
Container Corporation of America
(Chicago,
IL)
|
Appl. No.: | 06/563,290 |
Filed: | December 19, 1983 |
Current U.S. Class: | 493/93 ; 493/101; 493/95; 53/175; 53/386.1 |
Current International Class: | B31B 7/00 (20060101); B31B 007/00 () |
Field of Search: | 493/95,100,97,101 53/175,382,384 |
2394935 | February 1946 | Palmer |
4052931 | October 1977 | Morse et al. |
4083293 | April 1978 | Goldstein |
4089255 | May 1978 | Akoh et al. |
4142453 | March 1979 | Gidewall et al. |
4280313 | July 1981 | Akkala et al. |