Film, film molding method, mold, molding comprising film, and molding method therefor

Provided are a film, for which, in addition to maintaining a favorable appearance, the occurrence of cracks has been reliably prevented, and a molding method, etc. for such films. The film, for which, in addition to maintaining a favorable appearance, the occurrence of cracks has been reliably preve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAHARA HISASHI, SUZUKI KATUNORI, OHKUBO AKIO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:Provided are a film, for which, in addition to maintaining a favorable appearance, the occurrence of cracks has been reliably prevented, and a molding method, etc. for such films. The film, for which, in addition to maintaining a favorable appearance, the occurrence of cracks has been reliably prevented, and the molding method, etc. therefor were achieved by: closing the upper die and lower die of a molding mold, with a film fixed between the upper die and the lower die and heated, and pressing the film using an upper die pressing member on the outside of a lower die protruding section for a first forming; and then, performing a second forming of the film at least on the outside of the lower die protruding section using the pressure of a gas introduced from the upper die side.