| 摘要 |
PROBLEM TO BE SOLVED: To prevent the leakage of resin even for the resin of low viscosity to be easily deteriorated and slide smoothly inner deckles. SOLUTION: Molten resin is fed from a manifold section 13 formed on a die main body 11, passed through a die land section 14 and a lip land section 15 and extrusion molded out of a lip outlet 16 as a sheet with its width stretched to the desired width in an extrusion molding T-die, and inner deckles 21 disposed slidably in the manifold section 13, the die land section 14 and the lip land section 15 of the die main body 11 and movable close to and away from each other to adjust the molding width are provided, and a cooling opening 31 is formed from the front to the rear of the manifold section on the die main body 11 and a cooling jacket 33 is inserted therein, and also cooling openings 32 are formed in the inner deckles 21 and the cooling jacket 34 is inserted therein. |
