|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||206/519 ; 206/520 ; 220/72 ; 229/15 ; B|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 76 인용 특허 : 5|
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 n...
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 up...