发明名称 MAKING METHOD FOR POLYTETRAFLUORO ETHYLENE PIPE
摘要 The present invention relates to a method for producing a fluorine resin pipe. The method comprises the steps of: (1) disposing a heating drum heated when electrical power is applied; (2) wrapping a fluorine resin sheet on the circumference of the heating drum, attaching a stainless steel mesh of 1-5 cm which is longer than the outer circumferential length of the heating drum on an outer surface of the heating drum, closely placing the fluorine resin sheet on the outer circumference of the heating drum, and winding the same for 2-3 times; (3) covering and wrapping the overall outer surface of the fluorine resin sheet on the outer circumference of the fluorine resin sheet wound on the heating drum, and coupling a band heater heated when electrical power is applied, so the fluorine resin sheet is fixed while being wound on the heating drum and being pressed by the band heater pressing the outer surface thereof; and (4) applying electrical power to the heating drum and the band heater, and heating the same at 350-380°C for 30-60 minutes. Durability of the fluorine resin pipe is improved, and a decrease in coupling strength may be prevented.
申请公布号 KR101619373(B1) 申请公布日期 2016.05.10
申请号 KR20140167241 申请日期 2014.11.27
申请人 KIM, KUEN HO 发明人 KIM, KUEN HO
分类号 B29D23/00;B29C51/18 主分类号 B29D23/00
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