|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F25D-023/00 F25D-023/06 F25D-023/02 F25B-039/00 F25D-011/00 B29C-053/00 H04R-003/12 B23P-015/26 F25B-039/02 F25C-001/00|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 167|
A refrigerator includes a vacuum insulated cabinet structure having side walls that are formed from a tube that has been folded/deformed into a structure having an “O” shape with vertically enlarged front and rear openings. The interior of the tube may be filled with silica powder or other filler, and a vacuum is formed within the tube. An insulated rear panel may be utilized to close off the rear opening of the vacuum insulated cabinet structure.
1. A free-standing vacuum insulated refrigerator housing structure comprising: a pair of horizontally spaced apart upright primary side walls, each primary side wall defining upper and lower end portions and spaced apart inner and outer side walls and spaced apart front and rear edge walls extending transversely between the inner and outer side walls such that each primary upright side wall forms a dosed tubular section defining a vertically extending interior space;a horizontally extending upper side wall having an interior space and including opposite ...