|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||383/110 ; 383/02 ; 383/108 ; 383/113 ; 383/121.1|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 104 인용 특허 : 9|
The present invention provides a novel foldable softwalled cooler for preventing temperature change of heated or cooled items placed therein. The structure generally includes flexible walls having an insulating material therein and a bottom connected to the walls forming a cavity between the walls and the bottom. The inside surface of the walls and the bottom are covered by a water resistant material that is heat sealed at seams so as to prevent leakage at the seams. A panel is provided within the cavity and is likewise covered in a water resistant mater...
[ What is claimed is:] [1.] A cooler comprising:at least one wall having an upper edge and a lower edge, said wall including a first water resistant portion covering an inside surface of said wall;a bottom connected to said lower edge of said wall, said bottom having a second water resistant portion covering an inside surface of said bottom, said first portion and said second portion being heat sealed together along at least one connecting seam to prevent leakage at said connecting seam, said bottom and said wall defining a cavity therebetween; anda pane...