Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article
Reexamination Certificate
2006-02-07
2006-02-07
Davis, Robert B. (Department: 1722)
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Producing multilayer work or article
C264S543000, C425S532000, C425S540000, C425S133100
Reexamination Certificate
active
06994821
ABSTRACT:
A vertical rotary blow molding machine with dual cavity molds includes two coextrusion flow heads for extruding multi-layer parisons for capture and blowing in the dual cavity molds.
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Unnumbered Graham Engineering Corporation Drawing dated Dec. 16, 1997.
Unnumbered Graham Engineering Corporation Drawing, no date.
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Dundas Dennis L.
Ivie Kristopher J.
Davis Robert B.
Graham Engineering Corporation
Hooker & Habib, P.C.
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