Flexible bags – With closure – Rib and groove
Patent
1983-07-28
1985-09-10
Marcus, Stephen
Flexible bags
With closure
Rib and groove
383 13, 220 80, B65D 3300
Patent
active
045411174
ABSTRACT:
A sliding closure device for flexible plastic containers provides a strong closure with an effective vapor and moisture barrier, still allowing the container to be collapsible.
REFERENCES:
patent: 1371934 (1921-03-01), Reynolds
patent: 1781448 (1930-11-01), Dunnican
patent: 2514750 (1950-07-01), Dobbs et al.
patent: 3026017 (1962-03-01), Hopkins
patent: 3173184 (1965-03-01), Ausnit
Davis Martin I.
Dewing Kenneth M.
Freiburger Thoms M.
Marcus Stephen
Voorhees David
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