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US 5,849,394 AGranted
Self sticking packaging wrap
AssigneeCPI Packaging, Inc.
InventorsHarry Bussey, III, Harry Bussey, Jr.
Life of this patent
Estimating the term…
Abstract
A laminated bubble wrap packaging material is provided with has a tackifier, such as a polybutene, dispersed homogeneously throughout the packaging material. The packaging material is adherent to itself as well as and does not leave a residue. The tackifier is incorporated into the plastic material during extruding of the layers of plastic material into thin plastic films.
Claims9
A laminated packaging material comprising
- a first thin flexible layer of plastic material having a plurality of spaced apart recesses in one surface thereof;
- a second thin flexible layer of plastic material bonded to said one surface of said first layer to seal air into said recesses;
- and
- a tackifier dispersed in at least one of said layers to impart a co-adhesive characteristic to said one layer sufficient to permit said one layer to selectively co-adhere to itself without leaving a residue.
1 more element
Dependencies are inferred from the claim text.