Envelopes – wrappers – and paperboard boxes – Molded or pressed container – Tray-type
Patent
1995-08-28
1999-08-17
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Molded or pressed container
Tray-type
162175, 1621818, B65D 134
Patent
active
059381124
ABSTRACT:
A container formed from a unitary paperboard blank having a substantially planer inner region, a sidewall region and a rim region formed about the periphery thereof is disclosed. The sidewall region includes a generally annular region flaring upwardly and outwardly from a periphery of the planer inner region and a first frusto-conical region adjoining the annular region with the frusto-conical region sloping outwardly and upwardly from the annular region. The rim region includes an outwardly flaring arcuate annular region adjoining an outer periphery of the first frusto-conical region, and a second frusto-conical region extending substantially tangentially from the arcuate annular region. During the fabrication of the paperboard material for forming the aforementioned container, the paperboard material is impregnated with a sizing adhesive equivalent to at least 6 pounds of starch per 3,000 ft.sup.2 ream of paperboard material with the sizing adhesive including a pigment, said pigment being not more than 65% of the sizing adhesive.
REFERENCES:
patent: 4196012 (1980-04-01), Windle
patent: 4543280 (1985-09-01), Fujita et al.
patent: 4606496 (1986-08-01), Mary et al.
patent: 4609140 (1986-09-01), Van Handel et al.
patent: 4767466 (1988-08-01), Nemeh et al.
patent: 5326020 (1994-07-01), Cheshire et al.
patent: 5384013 (1995-01-01), Husband et al.
Elkins Gary E.
Fort James Corporation
Leedom Jr. Charles M.
Studebaker Donald R.
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