Process for producing composite plastic pipe

Details Process for producing composite plastic pipe Process for producing composite plastic pipe

1983-11-23

1985-05-07

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

15624412, 15624413, 15624417, 156172, 264103, 264135, 264137, 264173, H05B 300

Patent

active

045157375

ABSTRACT:
A process for producing a composite plastic pipe, which comprises producing a thermoplastic resin pipe (I) by an extruder, covering the surface of the pipe (I) uniformly with a continuous fibrous reinforcing material (II) impregnated with a thermosetting resin in its axial direction by a draw molding method, helically winding a continuous fibrous reinforcing material (III) impregnated or not impregnated with a thermosetting resin uniformly on the layer of the resin fibrous reinforcing material (II) by a filament winding method, thereafter curing the thermosetting resin by irradiation of ultraviolet light and coating a thermoplastic resin (IV) on the resulting product within a crosshead die in an extruder.

REFERENCES:
patent: 3616072 (1971-10-01), Bostrom
patent: 3756890 (1973-09-01), Galloway et al.
patent: 3769127 (1973-10-01), Goldsworthy et al.
patent: 3883384 (1975-05-01), Hopkins
patent: 4155790 (1979-05-01), Galloway
patent: 4214026 (1980-07-01), Ibata et al.
patent: 4289555 (1981-09-01), Haren et al.
patent: 4302266 (1981-11-01), Kutnyak
patent: 4311547 (1982-01-01), Biggs et al.
patent: 4361455 (1982-11-01), Arterburn
patent: 4371415 (1983-02-01), Tanaka
"Ultraviolet Light: Its Effects on Plastics" A. King, Plastics & Polymers Jun. 1968, pp. 195-203.

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