Production of elongated fiber-reinforced composite articles

Details Production of elongated fiber-reinforced composite articles Production of elongated fiber-reinforced composite articles

1981-08-10

1983-07-19

Anderson, Philip E.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

264 461, 264 462, 264174, 264338, 425113, 425505, 425817C, B29F 310, B32B 3112, B29D 2700

Patent

active

043943381

ABSTRACT:
In the pultrusion of a fiber-reinforced plastic, an elongated fiber material impregnated with a thermosetting resin prior to setting is introduced into a long-land die, in which a thermoplastic resin and a lubricant are successively applied onto the outer surface of the impregnated fiber material thereby to make possible smooth drawing of the material through the die. As a result, the thermosetting resin is substantially set within the die, and, moreover, an elongated, fiber-reinforced, plastic composite article is produced at a reasonable speed.

REFERENCES:
patent: 3029476 (1962-04-01), Merck et al.
patent: 3917774 (1975-11-01), Sagane et al.
patent: 4025256 (1977-05-01), Heller

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