|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 25 인용 특허 : 205|
A foldable air insulating sleeve for insulating beverage and food containers is herein provided. More particularly, the foldable air insulating sleeve secures a cup in a manner that leaves a pocket of air surrounding the cup. This provides for improved temperature regulation and sufficient thermal insulation to assist the user in firmly grasping and handling the cup despite excess heat or condensation caused by the temperature of the cup's contents. Because the bases of most disposable cups are narrower than their respective rims, more air and thus great...
What is claimed is: 1. An air insulating sleeve and lid system comprising: a cup; an insulating lid; and a foldable air insulating sleeve further comprising at least two foldable support rings positioned on the wall of the sleeve, the sleeve and the at least two support rings forming at least one substantially enclosed air insulating chamber around the cup, and the sleeve and the at least two support rings each having two longitudinal folds. 2. The system as recited in claim 1, wherein said foldable air insulating sleeve comprises: a substantially tu...