Blowing tool for production of plastic tubes, plastic tubings has resistance wire, glow wire, glow band, which are arranged in area of squeezing or delimiting edge

摘要

Blowing tool has a resistance wire, a glow wire, a glow band or the like, which are arranged in the area of the squeezing or delimiting edge, so that the excess scrap or the lost blowing heads of the resistance wire, a glow wire, a glow band or the like can be separated by heating.