Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1978-04-07
1980-04-08
Garbe, Stephen P.
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
156 69, 206604, 206631, 220450, 220457, 229 45, 229 55, B65D 564, B65D 4302
Patent
active
041968417
ABSTRACT:
A laminate comprising a substrate of paperboard having first and second surfaces; a layer of frangible paper having first and second surfaces, wherein the first surface of the frangible paper is bonded to the second surface of the paperboard; and a layer of frangible metal foil having first and second surfaces, wherein the first surface of the frangible metal foil is bonded to the second surface of the frangible paper; and wherein the laminate is so constructed that when a strip of material which has been securely bonded to the metal foil side of the laminate is pulled away from the laminate substantially all of the underlying laminate bonded to the strip will be severed substantially in the frangible paper layer. Also disclosed are blanks of such laminates which are suitable for forming a container, containers formed from such laminates, and sealed containers formed from such laminates.
REFERENCES:
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patent: 3183802 (1965-05-01), Rutledge
patent: 3335939 (1967-08-01), Robinson, Jr.
patent: 3351259 (1967-11-01), Lee, Jr.
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patent: 3892351 (1975-07-01), Johnson et al.
patent: 3944126 (1976-03-01), Richards
patent: 3972468 (1976-08-01), Reid
Morse Clifford G.
Smith Ernest L.
Garbe Stephen P.
Phillips Petroleum Company
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