METHOD FOR PRODUCING RESIN PIPE

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a resin pipe which can secure a large channel area and can simply produce the pipe even when the pipe is lengthy. SOLUTION: In an apparatus for producing the resin pipe, a slide mold 35 is arranged in the cavity of a molding mold. The slide mold 35 has a core having approximately the same cross-sectional shape with the cross-sectional shape of a channel, and a guide member which is fixed to the center of the core and arranged in the axial direction of the cavity in a cross-sectional shape smaller than that of the core. A molten resin injected in the cavity 38 forms a main channel 12a while being pushed to molding surfaces 32a and 34a by the core part 35a pulled by the guide member 35b.