| 摘要 |
PURPOSE:To finish seamed parts of metallic corrugated roof sheet in good form by inserting an elastic member into a seamed part for form connection made by folding upper and lower edges of an oblong flat metallic plate to the face and the back respectively, and after pressing the folded flat plate to corrugated form, removing the elastic member. CONSTITUTION:An elastic member 5 such as a beltlike rubber member, beltlike felt etc. is inserted into the seamed part 6 for form connection made by folding 4 the upper and lower edges of an oblong flat metallic plate to the face and back side respectively. This folded flat metallic plate 3 is inserted into a corrugation forming presses 1, 2 and formed to a specified corrugated form. The seamed part of the corrugated metallic roof sheet can be finished in good form by removing the elastic member 5 thereafter. |
