Title:
METHOD FOR MANUFACTURING THERMOPLASTIC PLASTIC PIPE REINFORCED WITH METAL OR SYNTHETIC FIBER WIRE MATERIAL
Document Type and Number:
Japanese Patent JP2019130877
Kind Code:
A
Abstract:
To provide a method for manufacturing a thermoplastic plastic pipe reinforced with a metal or a synthetic fiber wire material having excellent performances of earthquake resistance, water resistance, and corrosion resistance.SOLUTION: In a method for manufacturing a thermoplastic plastic pipe reinforced with a metal or synthetic fiber wire, an extrusion cylinder (6) of a single screw plastic extruder (1) is divided. A front extrusion cylinder (7) for supporting an extrusion mold is rotated, causing a semi-molten plastic pipe (31) to be extruded while being rotated. On the upper surface of the plastic pipe, a metal or synthetic fiber wire material, wound back from a wire winding drum installed on the ground, is spirally wound up to reinforce. From the top, a plastic belt-like plate, remaining in a molten state and extruded by a belt-like plate extruder, is overlapped on the wire material, wound up, and fusion spliced, to fabricate a reinforced plastic pipe. The reinforced plastic pipe is drawn into a mouthpiece of a cooling water vessel, while being rotated by a drawing machine rotating at the same speed, and is regulated on outer diameter while being water-cooled.SELECTED DRAWING: Figure 1
Inventors:
OTA RYOZO
Application Number:
JP2018026474A
Publication Date:
August 08, 2019
Filing Date:
January 30, 2018
Export Citation:
Assignee:
OTA RYOZO
International Classes:
B29C48/33; B29C48/30; B29C48/68; B29C70/32
Domestic Patent References:
| JPS6357217A | 1988-03-11 | |||
| JPS61123527A | 1986-06-11 | |||
| JPH05138751A | 1993-06-08 | |||
| JPH0976286A | 1997-03-25 | |||
| JP3034463U | 1997-02-18 |