Single-screw extruder for producing thermoplastic and elastomeric products
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United States of America Patent
Stats
-
Sep 29, 1987
Grant Date -
N/A
app pub date -
Oct 18, 1985
filing date -
Oct 22, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A single-screw extruder for producing thermoplastic and elastomeric products includes a hollow cylindrical barrel, which is provided with radially inwardly protruding mixing elements, which are adapted to move through recesses formed in one or more helical lands of a screw, which is rotatably mounted in the barrel. To facilitate the assembly of the screw extruder and to permit repair thereof without a need to replace the entire housing, the mixing elements (9) are provided on split rings (9), which are held axially spaced apart by interposed spacing rings, or which are clamped in position in grooves formed in adjacent annular sections of the barrel.
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