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US 2009/0152280 A1Published application
Container apparatus and related methods
AssigneeRopak Corporation
InventorFrano Luburic
Life of this patent
Estimating the term…
Abstract
A container includes: a base; one or more sidewalls integrally formed with and extending upwardly from the base, wherein the sidewalls surround an internal cavity and wherein one or more of the sidewalls include a reinforcing web of increased wall thickness; and an upper edge on the sidewalls defining a top opening.
Claims41
A container, comprising:
- a base;
- one or more sidewalls integrally formed with and extending upwardly from the base, wherein the sidewalls surround an internal cavity and wherein one or more of the sidewalls include a reinforcing web of increased wall thickness;
- and
- an upper edge on the sidewalls defining a top opening.
1 more element
A container, comprising:
- a plastic base including at least one gate site and flow leaders having increase thickness connecting to the at least one gate site, wherein the flow leaders have curved surfaces from a cross-sectional perspective;
- plastic sidewalls integrally formed with and extending upwardly from the base, wherein the sidewalls surround an internal cavity and include a reinforcing web having channels of increased thickness, wherein the width of sidewalls near the upper edge are greater than the width of sidewalls farther from the upper edge, wherein the channels connect to the flow leaders, wherein the channels includes rows and columns of channels, wherein the channels have curved surfaces from a cross-sectional perspective, and wherein the sidewalls are bowed away from the internal cavity;
- one or more corners between adjacent sidewalls, wherein curvature of the corners is substantially constant throughout the height of the corners;
- an upper edge on the sidewalls defining a top opening;
- and
- one or more plastic horizontal ribs integrally formed with and extending around the upper portion of the sidewalls.
3 more elements
A method of manufacturing a container, comprising:
- forming a base;
- forming one or more sidewalls integral with the base and extending upwardly from the base, wherein the sidewalls surround an internal cavity and wherein one or more of the sidewalls include a reinforcing web having increase wall thickness;
- and
- forming an upper edge on the sidewall defining a top opening.
1 more element
Dependencies are inferred from the claim text.