Tamper evident link bags

Details Tamper evident link bags Tamper evident link bags

1988-03-11

1989-05-23

Fidei, David T.

Flexible bags

Tamper indicating

383 37, 383 63, 383 65, 206610, B65D 3314

Patent

active

048325058

ABSTRACT:
Bags with reclosable zippers along their mouth ends and having pull flanges extending above the zippers, have attending upwardly from said pull flanges separably attached tamper evident extensions which are adhesively fixed to one another so that it is necessary to separate the tamper evident extensions from the pull flanges along lines of weakening when it is desired to gain access into the bag through the reclosable zipper. A method of and an apparatus for making the bags in linked chains and a method of and apparatus for filling the linked bags and then completing the filled bags are disclosed.

REFERENCES:
patent: 3473589 (1969-10-01), Gotz
patent: 3618286 (1971-11-01), Membrino
patent: 4570820 (1986-02-01), Murphy
patent: 4589145 (1986-05-01), Van Erden et al.
patent: 4630311 (1986-12-01), Bentson
patent: 4637060 (1987-01-01), Ausnit
patent: 4665552 (1987-05-01), Lems et al.
patent: 4744674 (1988-05-01), Nocek

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