METAL DRUM, CASTING APPARATUS, METHOD FOR FORMING CASTING FILM, AND SOLUTION FILM FORMING METHOD

PURPOSE: A metal drum, a flexible device, a forming method of flexible membrane, and a solution unveiling method are provided to reduce cutting scrap malfunction and non-uniform thickness malfunction caused by a welding unit and to efficiently manufacture film of wide band shape. CONSTITUTION: A fle...

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Bibliographische Detailangaben
1. Verfasser:	ARAI TOSHINAO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE: A metal drum, a flexible device, a forming method of flexible membrane, and a solution unveiling method are provided to reduce cutting scrap malfunction and non-uniform thickness malfunction caused by a welding unit and to efficiently manufacture film of wide band shape. CONSTITUTION: A flexible device comprises a pair of metal drums(124,125), an endless band(91), a flexible die(142), and a film drier(151). The endless band is rolled in the pair of metal drums for locating a welding unit(91w) in a groove and moves to a longitudinal direction by rotating of the metal drum. The flexible die discharges polymer and dope including solvent to surface of the endless band. The film drier is made of the discharged dope, shoots heating wind to flexible membrane which is formed on the surface, and evaporates the solvent from the flexible membrane. [Reference numerals] (91) Band