| 摘要 |
PROBLEM TO BE SOLVED: To provide a tubular body production device and production method capable of stabilizing a radial position of a cooling member relative to a support member.SOLUTION: A tubular body production device 10 comprises: an extrusion part for extruding downward, a molten resin material R in a tubular-state; a cooling member 30 which is formed into a cylindrical shape having an insertion hole 32, which has an outer peripheral face 34 which contacts an inner peripheral face of the resin material R extruded by the extrusion part for cooling the resin material R; a support member 40 for being inserted into the insertion hole 32 of the cooling member 30, cooling the cooling member 30 and supporting it; and a sealing member 56 for sealing a liquid L existing in a gap S between an outer peripheral face of the support member 40 and the inner peripheral face of the cooling member 30, at one end part and the other end part of the gap S.SELECTED DRAWING: Figure 4 |
