Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – Plural wear or shaping surfaces mounted for alternative use
Patent
1992-04-07
1993-06-08
Simmons, David A.
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
Plural wear or shaping surfaces mounted for alternative use
366 84, 366149, 425192R, 425204, 4253781, B29C 4782
Patent
active
052177262
ABSTRACT:
A segmented barrel extruder device for extrusion and having a plurality of segments enclosing an extruder barrel aligned on an axis. The segments include axially perpendicular rectangular end flanges having exposed sides and a central portion for housing an extruder barrel. The flanges have aligned straight line paths for fluid flow in a plane perpendicular to the axis. Accordingly, the paths each intersect two exposed sides without intersecting the central portion. The segments also include an extruder bore between the flanges. The segments have a housing having straight axial channels which are connected to the paths in the flanges to conduct fluid from points along one path in each path to of points along a corresponding path. The extruder bore also includes a centered portion aligned with the flange central portion and a radial feeder device. The radial feeder device includes a seal and a mount which is adapted to mount the seal without sealing force on the bore. Finally, the device includes an inlet and an outlet for fluid flow.
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Matney, Jr. William J.
Munday John S.
Simmons David A.
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