| 摘要 |
PURPOSE: A biaxially oriented film manufacturing apparatus is provided to improve uniformity of thickness by stretching a film evenly. CONSTITUTION: A biaxially oriented film manufacturing apparatus comprises unit regions longitudinally and transversely stretched along the direction of sheet. First and second stretching drive rolls(R1, R2) is installed in the longitudinal stretching of a sheet. Non-driven rolls(D1, D2, D3, D4) are arranged along the first and second stretching drive rolls. The non-driven rolls distribute weight applied to a sheet. |
