Refrigerator

Abstract

A refrigerator door includes a front surface panel and a rear surface panel configured such that a foam space is provided between the panels, first and second frames configured to form each side surface of the door and to which the two panels are supportedly attached, an upper cap and a lower cap configured to form upper and lower surfaces of the door, respectively, and thermal insulating material which is provided in the foam space to couple the front surface panel, the rear surface panel, the first frame, the second frame, the upper cap, and the lower cap to one another, wherein each of the first frame and the second frame is formed by sequentially introducing a steel plate coil having a predetermined thickness and width into a predetermined number of roll forming members.

1 . A refrigerator comprising:
 a body having a storage compartment; and   a door configured to open and close a front open surface of the storage compartment,   wherein the door comprises:   a front surface panel configured to form a front surface of the door and including tempered glass;   a rear surface panel configured to form a rear surface of the door such that a foam space is provided between the rear surface panel and the front surface panel;   a first frame and a second frame configured to form each side surface of the door and to which the front surface panel and the rear surface panel are supportedly attached;   an upper cap and a lower cap configured to form an upper surface and a lower surface of the door, respectively; and   thermal insulating material which is provided in the foam space to couple the front surface panel, the rear surface panel, the first frame, the second frame, the upper cap, and the lower cap to one another,   wherein each of the first frame and the second frame is formed by sequentially introducing a steel plate coil having a predetermined thickness and width into a predetermined number of roll forming members.   
     
     
         2 . The refrigerator of  claim 1 , wherein the upper cap and the lower cap are manufactured through an injection molding. 
     
     
         3 . The refrigerator of  claim 1 , wherein the second frame has a grip groove, which recesses toward the foam space, to enable opening and closing of the door. 
     
     
         4 . The refrigerator of  claim 1 , wherein the steel plate coil includes a Pre-Coated Metal (PCM). 
     
     
         5 . The refrigerator of  claim 1 , wherein one side of the front surface panel is supportedly attached to the first frame, and an opposite side of the front surface panel is supportedly attached to the second frame. 
     
     
         6 . The refrigerator of  claim 1 , wherein the front surface panel has a width less than a width of the rear surface panel. 
     
     
         7 . The refrigerator of  claim 1 , wherein each of the upper cap and the lower cap has a first frame insertion groove to which the first frame is inserted, and a second frame insertion groove to which the second frame is inserted. 
     
     
         8 . The refrigerator of  claim 1 , wherein the front surface panel, the rear surface panel, the upper cap, the lower cap, the first frame, and the second frame are coupled to one another primarily through an adhesion member, and secondarily through an adhesive force of the thermal insulating material. 
     
     
         9 . The refrigerator of  claim 1 , further comprising:
 a first middle member which is interposed between the front surface panel and the first frame to align a position of the front surface panel; and   a second middle member which is interposed between the front surface panel and the second frame to align a position of the front surface panel.   
     
     
         10 . A refrigerator comprising:
 a body having a storage compartment; and   a door configured to open and close a front open surface of the storage compartment,   wherein the door comprises:   a front surface panel configured to form a front surface of the door and including tempered glass;   a rear surface panel configured to form a rear surface of the door such that a foam space is provided between the rear surface panel and the front surface panel;   a pair of caps configured to upper and lower sides of the foam space and manufactured through an injection molding; and   a pair of frames each including a rear surface coupling part having the rear surface panel supportedly attached thereto, a front surface coupling part having the front surface panel supportedly attached thereto, and a connecting part configured to connect the rear surface coupling part to the front surface coupling part,   wherein each frame is formed by sequentially introducing a steel plate coil having a predetermined thickness and width into a predetermined number of roll forming members.   
     
     
         11 . The refrigerator of  claim 10 , wherein one of the pair of frames has a grip grove, which recesses toward the foam space, to enable opening and closing of the door. 
     
     
         12 . A method of manufacturing a door for a refrigerator, the method comprising:
 providing a front surface panel, which includes tempered glass, and a rear surface panel, which forms a foam space between the front surface panel and the rear surface panel;   forming a first frame and a second frame, each including a rear surface coupling part having the rear surface panel supportedly attached thereto, a front surface coupling part having the front surface panel supportedly attached thereto, and a connecting part configured to connect the rear surface coupling part to the front surface coupling part, by introducing a steel plate coil, which has a predetermined thickness and width, into a predetermined number of roll forming members;   insertedly coupling an upper cap and a lower cap to the first frame and the second frame and temporarily fixing the front surface panel, the rear surface panel, the upper cap, the lower cap, the first frame and the second frame to one another through adhesion member; and   forming thermal heating material in the foam space such that the front surface panel, the rear surface panel, the upper cap, the lower cap, the first frame, and the second frame are coupled to one another through an adhesive force of the thermal heating material.   
     
     
         13 . The method of  claim 12 , wherein in the forming the first frame and the second frame, one of the first frame, and the second frame has a grip groove, which recesses toward the foam space, to enable opening and closing of the door. 
     
     
         14 . The method of  claim 12 , wherein the upper cap and the lower cap are formed through injection molding. 
     
     
         15 . The method of  claim 12 , wherein the steel plate coil includes a Pre-Coated Metal (PCM). 
     
     
         16 . The refrigerator of  claim 10 , wherein the steel plate coil includes a Pre-Coated Metal (PCM). 
     
     
         17 . The refrigerator of  claim 10 , wherein the front surface panel, the rear surface panel, the pair of caps, and the pair of frames are coupled to one another through an adhesive force of the thermal insulating material. 
     
     
         18 . The refrigerator of  claim 1 , wherein the front surface panel, the rear surface panel, the upper cap, the lower cap, the first frame, and the second frame are coupled to one another through an adhesive force of the thermal insulating material.