| 摘要 |
PURPOSE: A method for manufacturing a building panel using mineral cotton is provided to increase a bending strength in longitudinal or transverse directions of partition boards of zigzag shape. CONSTITUTION: The manufacturing method of a building panel(1) comprises the steps of; cutting a roll shaped metal plate along its longitudinal direction into partition boards(2); folding the partition boards to have a zigzag pattern; attaching the partition boards to a metal board(4) in a standing posture; cutting mineral cotton(3) in a zigzag pattern like the partition boards; filling the cut mineral cotton pieces between the partition boards; and attaching another board(5) onto the top side of the partition boards.
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