Bottles and jars – Closures – Retained by bonding or adhesive means
Patent
1981-08-19
1983-06-28
Norton, Donald F.
Bottles and jars
Closures
Retained by bonding or adhesive means
150 8, 156 69, 215254, 215249, 220359, 604111, 604408, B65D 4132, B65D 5120
Patent
active
043901042
ABSTRACT:
A flexible plastic sealing cover has a container cover area and pull-tab area. In one embodiment, an upper layer of plastic film is substantially impervious to moisture and bacteria. An orientated plastic film layer is bonded to the upper layer with a layer of adhesive, such that the orientated plastic layer promotes tearing when the cover is removed with the pull-tab. An adhesive material is bonded to the layer of orientated plastic film for engaging and sealing the container top of a IV solution container. In removing the sealing cover from a container, telltale strips of the cover are left in engagement with the container to indicate the sterilized seal has been removed. In another embodiment, a single layer of plastic film substantially impervious to moisture and bacteria is bonded with a layer of adhesive material. Slits may be formed in the plastic layer to promote its separation to leave telltale sealing strips on the container upon removal of the cover.
REFERENCES:
patent: 1916977 (1933-07-01), Gutmann
patent: 3391847 (1968-07-01), Christine et al.
patent: 3463339 (1969-08-01), McGuckin
patent: 3501042 (1970-03-01), Risch et al.
patent: 3788374 (1974-01-01), Saijo
patent: 4209126 (1980-06-01), Elias
patent: 4266687 (1981-05-01), Cummings
patent: 4318490 (1982-03-01), Schneider
Pharmacy and Stock Label Handout.
Norton Donald F.
U.S. Clinical Products, Inc.
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