Closure of polyethylene oxide film

Details Closure of polyethylene oxide film Closure of polyethylene oxide film

1975-01-21

1976-12-28

Gilden, Leon

Package making

Interrelated or safety controls

156308, 156334, B65B 906

Patent

active

039993582

ABSTRACT:
Polyethylene oxide film is sealed upon itself, by first spraying it with an aqueous solution essentially of polyethylene oxide and then pressing one sprayed portion upon another. The invention is especially useful in making seed tape having low moisture content.

REFERENCES:
patent: 3561187 (1971-02-01), Rohnert et al.
patent: 3683583 (1972-08-01), Cochran et al.
patent: 3811980 (1974-05-01), Roderhoff
"Polyethers High Polymers" Part I Polyalkylene Oxides and Other Polyethers, edited by Norma G. Gaylord, 1963, Library of Congress No. 62-15824, pp. 213, 214.

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