Back vented barrel for an extruding assembly
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United States of America Patent
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-
Oct 16, 2001
Grant Date -
N/A
app pub date -
Dec 9, 1999
filing date -
Dec 9, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vent passage (28) extends from a main extruder passage (24) and is spaced from and between a feed extruder passage (26) and a back surface (16) of the barrel (10). The barrel (10) is characterized by the vent passage (28) being disposed to extend from the top surface (12) into the main extruder passage (24) and a vent passage adapter (36) in the vent passage (28) for controlling the venting of gases. The vent passage adapter (36) includes a restrictor member (44) extending downwardly from a mounting plate (38) to form a restricted passage (46) with a screw cover (40). The restrictor member (44) is removably attached to the mounting plate (38) whereby it may be removed for a less restricted venting of gases.
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