DOOR FOR A REFRIGERATOR AND METHOD FOR MANUFACTURING A DOOR, METAL CONTAINER AND METHOD FOR MANUFACTURING THE SAME, METHOD FOR PROCESSING A METAL SHEET, AND APPARATUS FOR PROCESSING A METAL SHEET

摘要

The present invention relates to a refrigerator door. The refrigerator door according to an embodiment of the present invention comprises an outer door; a door liner of which the outer circumference is joined to the flanges of the outer door; and an insulation material arranged in a space between the door liner and the outer door. The outer door is made of a metal plate by pressing and transforming the metal plate and includes a first surface, a second or fifth surface extended from the first surface, and a plurality of flanges extended from the second or fifth surface. The first or fifth surface of the outer door is integrated with each other when the metal plate is pressed and transformed.