|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F25B-019/00 H04R-003/12 F25D-023/02 F25D-023/06 F25B-039/00 F25D-011/00 B29C-053/00|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 6 인용 특허 : 33|
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 method of fabricating a vacuum insulated refrigerator housing, the method comprising: forming an elongated tube having opposite open ends defining a length therebetween, the elongated tube having a substantially uniform cross sectional shape along the length of the tube, wherein the elongated tube defines generally planar first and second oppositely-facing primary outer surfaces and first and second end surfaces extending between the first and second primary outer surfaces;deforming the tube along at least four fold lines to form at least four corne...