초록 ▼

A step-wall nestable cup provided with off-set thin sidewall portions which overlap to define an annular intermediate thickened wall portion which strengthens the cup while permitting the use of relatively thinner wall portions thereabove and therebelow. The use of off-set overlapping thin wall side

A step-wall nestable cup provided with off-set thin sidewall portions which overlap to define an annular intermediate thickened wall portion which strengthens the cup while permitting the use of relatively thinner wall portions thereabove and therebelow. The use of off-set overlapping thin wall sidewall portions also permits the use of a lower density plastic material without increasing the stack height of the nesting cups while resulting in significant material and/or shipping cost savings without sacrificing overall sidewall strength of the resultant nestable cup or container. A modified step-wall nestable cup is provided with multiple off-set thin sidewall portions which respectively overlap to provide a plurality of annular thickened sidewall portions in the sidewall thereof.

대표청구항 ▼

A step-wall nestable cup comprising: a base portion having an integrally formed sidewall extending upwardly therefrom to terminate at an upper peripheral edge so as to define a container, said sidewall including a first lower inner wall surface tapering upwardly to an outwardly extending inner offse

A step-wall nestable cup comprising: a base portion having an integrally formed sidewall extending upwardly therefrom to terminate at an upper peripheral edge so as to define a container, said sidewall including a first lower inner wall surface tapering upwardly to an outwardly extending inner offset step and a second upper inner wall surface tapering upwardly from said inner offset step, said sidewall including a first lower outer wall surface tapering upwardly to an outwardly extending outer offset step and a second upper outer wall surface tapering upwardly from said outer offset step, said outer offset step being located below and spaced-apart from said inner offset step so as to define an annular thickened portion therebetween.