Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Extrusion shaping means
Reexamination Certificate
2006-02-07
2006-02-07
Del Sole, Joseph S (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Extrusion shaping means
C425S380000, C425S382400, C425S467000, C425S468000
Reexamination Certificate
active
06994536
ABSTRACT:
An extrusion system for extruding a layer of a plastic or rubber material onto a work piece without having to continuously adjust the extrusion system during the “set-up” mode to “full-run” mode, wherein the extruded layer exhibits a predetermined cross-section size and a uniform wall gauge concentricity.
REFERENCES:
patent: 3833325 (1974-09-01), Ramsey
patent: 5984657 (1999-11-01), Bentivoglio
Patterson Gene L.
Worley Joseph C.
Dayco Products, LLC.
Del Sole Joseph S
Lykins J. Daniel
Tassone Joseph V.
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