| 摘要 |
PROBLEM TO BE SOLVED: To provide a film molding apparatus utilizing generated heat effectively. SOLUTION: First and second heaters 16, 17 heating a raw material film GF, a hot air blowoff nozzle 15 controlling the stretching point of the raw material film GF and a cooling air blowoff nozzle cooling a stretched film are provided to the stretching parts between upper nip rollers 2, 2 and lower nip rollers and a pair of heating rolls 1, 1 preheating the raw material film GF by heat conduction are provided on the upstream side of the upper nip rollers 2, 2. The second heater 17 is concentrically provided to the outer peripheral part of the first heater 16 and the hot air heated by the second heater 17 is blown out of the hot air blowoff nozzle 15. |
