| 摘要 |
PURPOSE:To obtain a jig which is easy to process and inexpensive and prevents deformation, injury and contamination of a shell body by receiving expansion pressure, by a method wherein the title jig is formed by setting up protective hair on the external surface of a main body, which is applied to the shell body when a foaming agent is poured, expanded and filled out the inside of the shell body of a refrigerator. CONSTITUTION:The target jig 5 to be formed by setting up electrically, for example, protective hair 7 made of nylon on the external surface part of a main body 6. When a heat insulation material 4 is made to form by making a foaming agent expand and fill out the inside of a box shell 1 consisting of an outer box 2 and inner box 3 such as a box body of a refrigerator by pouring the foaming agent within the box shell 1, the jig 5, for example, is used by applying the same to the inner box 3. |
