Multiple spider head

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8758003
APP PUB NO 20110095449A1
SERIAL NO

12886945

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Importance

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Abstract

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The extrusion head including a conduit with a central mandrel extending within the conduit for supporting an inner die portion of a set of dies that has inner and outer die portions. An upstream spider and a downstream spider are included, and each have webs supporting the central mandrel at axially spaced apart positions. The webs of the upstream and downstream spiders can have web portions that are axially offset from each other to promote mixing of polymer flowing through the conduit.

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Patent Owner(s)

Patent OwnerAddress
AMERICAN MAPLAN CORPORATIONP O BOX 832 823 S BYPASS MCPHERSON KS 67460

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eisenbarth, Bradley M McPherson, US 2 2
Nixon, James W McPherson, US 6 33
Wallen, John Michael Lindsborg, US 4 7

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