Pultruded conveyor slat and pultrusion method
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United States of America Patent
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-
Jan 11, 2000
Grant Date -
N/A
app pub date -
Mar 17, 1998
filing date -
Mar 17, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A resin matrix (70) is formed and reinforcement fibers (72) and thermoplastic material (74) are added to the resin matrix (72). The resin matrix (70), the reinforcement fibers (72) and the thermoplastic material are moved through a pultrusion die (76), by pulling on the reinforcement fibers (72), to form a conveyor slat having a top portion (38) and a pair of laterally spaced apart side portions (40, 42) depending from the top portion (38). In the pultrusion die (76) heat is applied to melt the thermoplastic material (74) and cause it to migrate to an outer surface portion of the slat body. A veil (90) of thermoplastic material may be bonded to the surface layer of thermoplastic material.
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