FILM MANUFACTURING METHOD, FILM MANUFACTURING DEVICE, AND JIG

A film is formed by extruding a resin from a lip opening (3) of a multilayer extrusion die (1) in a state in which a rectifying jig (10) does not cover the lip opening (3) but covers a seal part (6) while being located adjacent to each end in a longer side direction of the lip opening (3).

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Bibliographic Details
Main Authors URABE, Takashi, KANESHIRO, Hisayasu, HANADA, Koji
Format Patent
LanguageEnglish
Published 29.10.2019
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A film is formed by extruding a resin from a lip opening (3) of a multilayer extrusion die (1) in a state in which a rectifying jig (10) does not cover the lip opening (3) but covers a seal part (6) while being located adjacent to each end in a longer side direction of the lip opening (3).
Bibliography:Application Number: MY2015PI701683