A blank made of a polymeric material is provided and used to form the body of a drink cup or other container. A floor can be coupled to the body to define an interior region of the cup.
대표청구항▼
1. A blank of polymeric material used to form a body of a cup, the blank comprising an upper band formed to include a curved top edge anda lower band formed to include a left-end edge, a right-end edge, and a curved bottom edge arranged to extend between the left-end and right-end edges, wherein the
1. A blank of polymeric material used to form a body of a cup, the blank comprising an upper band formed to include a curved top edge anda lower band formed to include a left-end edge, a right-end edge, and a curved bottom edge arranged to extend between the left-end and right-end edges, wherein the lower band is appended to the upper band along a curved fold line to locate the curved fold line between the curved top and bottom edges, the lower band is formed to include a series of high-density staves of a first density and low-density staves of a relatively lower second density, each stave is arranged to extend from the curved bottom edge of the lower band toward the curved fold line, and the high-density and low-density staves are arranged to lie in an alternating sequence extending from about the left-end edge of the lower band to the right-end edge of the lower band to cause density to alternate from stave to stave along a length of the lower band,wherein the lower band has a first side and an opposite second side, each low-density stave has a first face on the first side of the lower band, a second face on the opposite second side of the lower band, and a first thickness defined by a distance between the first and second faces of the low-density stave, and each high-density stave has a first face on the first side of the lower band, a second face on the second side of the lower band, and a second thickness defined by a distance between the first and second faces of the high-density stave, and the second thickness is less than the first thickness,wherein the second thickness is about half of the first thickness. 2. The blank of claim 1, wherein the polymeric material is an insulative cellular non-aromatic polymeric material. 3. The blank of claim 1, wherein a connecting web is defined by polymeric material extending along and on either side of the curved fold line and the connecting web has a third density that is lower than the first density. 4. The blank of claim 3, wherein the third density of the connecting web is about equal to the second density of the low-density staves. 5. The blank of claim 4, wherein each low-density stave has a first thickness, each high-density stave has a relatively thinner second thickness, and the connecting web has a third thickness that is about equal to the relatively thinner second thickness. 6. The blank of claim 3, wherein the polymeric material is an insulative cellular non-aromatic polymeric material. 7. The blank of claim 1, wherein the upper band includes a left-end edge arranged to extend from the curved fold line to a first end of the curved top edge and a right-end edge arranged to extend from the curved fold line to an opposite second end of the curved top edge, the upper band includes a top strip arranged to extend along the curved top edge from the left-end edge of the upper band to the right-end edge of the upper band, a bottom strip arranged to extend along the curved fold line from the left-end edge of the upper band to the right-end edge of the upper band, and a middle strip arranged to lie between and interconnect the top and bottom strips and extend from the left-end edge of the upper band to the right-end edge of the upper band, the top strip is configured to be moved relative to the middle strip during a blank conversion process to form a circular rolled brim, the middle strip is configured to be wrapped about a central vertical axis during the blank conversion process to provide a sleeve-shaped side wall coupled to the circular rolled brim, and the bottom strip of the upper band and the lower band cooperate to form a floor mount configured to provide means for receiving a portion of a floor during a cup formation process to cause the floor and the sleeve-shaped side wall to cooperate to form an interior region in response to folding movement of the lower band along the curved fold line while wrapping the upper band around a vertical central axis to establish an annular shape of the lower band to provide a ring-shaped floor-retaining flange and to establish an annular shape of the bottom strip of the upper band to provide a ring-shaped web-support ring surrounding the ring-shaped floor-retaining flange to provide an annular floor-receiving pocket therebetween. 8. The blank of claim 7, wherein a connecting web is defined by polymeric material extending along and on either side of the curved fold line and the connecting web has a third density that is lower than the first density and wherein the connecting web is appended to the web-support ring and to the floor-retaining flange. 9. The blank of claim 8, wherein the polymeric material is an insulative cellular non-aromatic polymeric material. 10. A blank of polymeric material used to form a body of a cup, the blank comprising an upper band formed to include a curved top edge anda lower band formed to include a left-end edge, a right-end edge, and a curved bottom edge arranged to extend between the left-end and right-end edges, wherein the lower band is appended to the upper band along a curved fold line to locate the curved fold line between the curved top and bottom edges, the lower band is formed to include a series of high-density staves of a first density and low-density staves of a relatively lower second density, each stave is arranged to extend from the curved bottom edge of the lower band toward the curved fold line, and the high-density and low-density staves are arranged to lie in an alternating sequence extending from about the left-end edge of the lower band to the right-end edge of the lower band to cause density to alternate from stave to stave along a length of the lower band, wherein each high-density stave has a narrow width and each low-density stave has a relatively wider wide width,wherein the narrow width is about 0.028 inch (0.711 mm) and the relatively wider wide width is about 0.067 inch (1.702 mm). 11. The blank of claim 10, wherein the polymeric material is an insulative cellular non-aromatic polymeric material. 12. A blank of polymeric material used to form a body of a cup, the blank comprising an upper band formed to include a curved top edge anda lower band formed to include a left-end edge, a right-end edge, and a curved bottom edge arranged to extend between the left-end and right-end edges, wherein the lower band is appended to the upper band along a curved fold line to locate the curved fold line between the curved top and bottom edges, the lower band is formed to include a series of high-density staves of a first density and low-density staves of a relatively lower second density, each stave is arranged to extend from the curved bottom edge of the lower band toward the curved fold line, and the high-density and low-density staves are arranged to lie in an alternating sequence extending from about the left-end edge of the lower band to the right-end edge of the lower band to cause density to alternate from stave to stave along a length of the lower band,wherein the lower band includes a border section extending from the left-end edge to the right-end edge and lying between the curved fold line and an upper end of each of the high-density and low-density staves and the border section has a height of about 0.035 inch (0.889 mm). 13. A blank of polymeric material used to form a body of a cup, the blank comprising an upper band formed to include a curved top edge anda lower band formed to include a left-end edge, a right-end edge, and a curved bottom edge arranged to extend between the left-end and right-end edges, wherein the lower band is appended to the upper band along a curved fold line to locate the curved fold line between the curved top and bottom edges, the lower band is formed to include a series of high-density staves of a first density and low-density staves of a relatively lower second density, each stave is arranged to extend from the curved bottom edge of the lower band toward the curved fold line, and the high-density and low-density staves are arranged to lie in an alternating sequence extending from about the left-end edge of the lower band to the right-end edge of the lower band to cause density to alternate from stave to stave along a length of the lower band, wherein the lower band has a first side and an opposite second side, each low-density stave has a first face on the first side of the lower band, a second face on the opposite second side of the lower band, and a first thickness defined by a distance between the first and second faces of the low-density stave, and each high-density stave has a first face on the first side of the lower band, a second face on the second side of the lower band, and a second thickness defined by a distance between the first and second faces of the high-density stave,wherein the first face is formed to include a depression along the length of a high-density stave and between opposing edges of neighboring low-density staves and the depression is arranged to open in a direction away from the ring-shaped web support ring defined by the bottom strip of the upper band and arranged to surround high-density and low-density staves included in the floor-retaining flange defined by the lower band. 14. The blank of claim 13, wherein the polymeric material is an insulative cellular non-aromatic polymeric material. 15. A blank of polymeric material used to form a body of a cup, the blank comprising an upper band formed to include a curved top edge anda lower band formed to include a left-end edge, a right-end edge, and a curved bottom edge arranged to extend between the left-end and right-end edges, wherein the lower band is appended to the upper band along a curved fold line to locate the curved fold line between the curved top and bottom edges, the lower band is formed to include a series of high-density staves of a first density and low-density staves of a relatively lower second density, each stave is arranged to extend from the curved bottom edge of the lower band toward the curved fold line, and the high-density and low-density staves are arranged to lie in an alternating sequence extending from about the left-end edge of the lower band to the right-end edge of the lower band to cause density to alternate from stave to stave along a length of the lower band, wherein the lower band has a first side and an opposite second side, each low-density stave has a first face on the first side of the lower band, a second face on the opposite second side of the lower band, and a first thickness defined by a distance between the first and second faces of the low-density stave, and each high-density stave has a first face on the first side of the lower band, a second face on the second side of the lower band, and a second thickness defined by a distance between the first and second faces of the high-density stave,wherein the first face is formed to include a depression along the length of a high-density stave and between opposing edges of neighboring low-density staves and the depression is arranged to open in a direction toward the ring-shaped web support ring defined by the bottom strip of the upper band and arranged to surround high-density and low-density staves included in the floor-retaining flange defined by the lower band. 16. The blank of claim 15, wherein the polymeric material is an insulative cellular non-aromatic polymeric material.
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