|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 54 인용 특허 : 24|
A portable cooler having one or more ice sheets including built-in refrigerant cubes. The cooler comprises an outer fabric shell and one or more sets of spaced apart refrigerant cubes encapsulated in plastic to form ice sheets that are attached to the interior walls of the cooler. The walls of the cooler may also include one or more layers of thermal insulation. The ice sheets provide a visually pleasing appearance to the inside of the cooler suggestive of cooling effects. The ice sheets may be retained along the walls of the cooler by seams sewn along t...
What is claimed is: 1. A collapsible portable ice cooler comprised of: four side walls consisting of: a top layer made of polyethylene formed into cup-shaped sections for holding refrigerant; a backing layer made of polyethylene; wherein said top layer and said backing layer are heat sealed at joints to form a plurality of lanes between said cup-shaped sections; and a heat reflective metal foil layer attached to said backing layer; an insulation layer; and a fabric shell, said top layer, said backing layer, said heat reflective metal foil layer, said in...