|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 40 인용 특허 : 13|
There is provided a container having both male and female sealing regions disposed about its periphery in a pattern making it possible to seal a container with another container having substantially identical sealing regions. The male sealing regions used in the practice of the present invention may take the form of a U-shaped ridge which is undercut along at least one leg of the U in a radial direction. Typically, a container will be thermoformed from lightweight thermoplastic material giving the U-shaped ridge considerable flexibility. The female seali...
What is claimed is: 1. A container having a dome portion with a substantially planar central portion and a sidewall extending from the central portion of the dome and transitioning to a rim wherein the rim has an interlockable rim structure defined about the periphery of the container in a rim plane, said interlockable rim structure having at least one radially undercut male ridge section and at least one radially undercut female groove section defined therein, as well as a pair of arculate undercut transition sections therebetween, wherein said ridge s...