Method for continuous molding of a rod-like product
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United States of America Patent
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Sep 13, 1988
Grant Date -
N/A
app pub date -
Oct 15, 1986
filing date -
Oct 16, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of continuous molding a rod-like product includes forming an uncured rod-like molding by passing reinforcing fibers impregnated with uncured thermosetting resin through a squeezing die having a predetermined shape. Molten thermoplastic fluororesin is extruded in a ring shape to enclose the rod-like molding. A sheathing layer of the thermoplastic resin is formed by causing the thermoplastic resin to come into contact with the outer periphery of the uncured rod-like molding and by cooling and solidifying the thermoplastic resin. The uncured rod-like molding and the sheathing layer are introduced into a heated tank thereby hardening the thermosetting resin. The sheathing layer is stripped from the molding to form a rod-like product having a surface of fiber reinforced thermosetting resin.
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