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OwnerEric D. Linvill, Jiebin Pang +3inventors
InventorsEric D. Linvill, Jiebin Pang, Natasha G. Melton, James M. Taylor, Steven Parker
Estimating the term…
A method of manufacturing a coated paperboard container includes: providing a coated paperboard bottom blank, the coated paperboard bottom blank comprising a paperboard substrate and a first barrier coating layer on a first outermost surface of the paperboard substrate; heating the coated paperboard bottom blank; shaping the heated coated paperboard bottom blank, thereby forming a peripheral skirt portion about a periphery of a bottom wall portion of the coated paperboard bottom blank; and sealing a coated paperboard sidewall to the first barrier coating layer of the peripheral skirt portion.
A coated paperboard container, comprising:
The coated paperboard container of Claim .1 wherein the paperboard bottom further comprises a second barrier coating layer on a second surface of the paperboard substrate.
The cup bottom forming apparatus of Claim II, wherein the heater comprises a non-contact heater positioned to heat the coated paperboard prior to the punching of the coated paperboard bottom blank.
The coated paperboard container of Claim I wherein the first harrier coating layer comprises at. least one of styrene-acrylate, styrene-butadiene rubber, ethylene acrylic acid, polyvinyl acetate, polyvinyl acrylic, and polyester dispersion.
The coated paperboard container of Claim i wherein the first barrier coating layer comprises styrene-acry late.
The coated paperboard container of Claim I wherein the radius defining between the peripheral skirt portion and the bottom wall portion is greater than 4t. Docket No, 233734/SDIVD1
The coated paperboard container of Claim I wherein the radius defining between the peripheral skirt portion and the bottom wall portion is greater than 6t.
The coated paperboard container of Claim I wherein the radius defining between the peripheral skirt portion and the bottom wall portion is greater than 71.
A cup bottom forming apparatus, comprising;
Dependencies are inferred from the claim text.