Extrusion die element, extrusion die and method for making multiple stripe extrudate

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9327429
APP PUB NO 20130009336A1
SERIAL NO

13635520

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Abstract

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Extrusion die (30) comprising a plurality of shims (40a, 40b, 40c) positioned adjacent to one another, the shims (40a, 40b, 40c) together defining a first cavity, a second cavity, and a die slot, and methods of using the same. A variety of composite layers can be made from various dies described herein.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 SAINT PAUL MN 55133-3427

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ausen, Ronald W St. Paul, US 115 1904
Kopecky, William J Hudson, US 80 725

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