The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 2016
Filed:
Feb. 04, 2011
Michael R. Gorman, Lake Elmo, MN (US);
John H. Horns, Edina, MN (US);
Anthony B. Ferguson, Lake Elmo, MN (US);
Thomas J. Rieger, Maplewood, MN (US);
Ronald W. Ausen, St. Paul, MN (US);
William C. Unruh, Inver Grove Heights, MN (US);
Michael R. Gorman, Lake Elmo, MN (US);
John H. Horns, Edina, MN (US);
Anthony B. Ferguson, Lake Elmo, MN (US);
Thomas J. Rieger, Maplewood, MN (US);
Ronald W. Ausen, St. Paul, MN (US);
William C. Unruh, Inver Grove Heights, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A die comprising two die cavities, with each capable of supplying polymeric material, and a distribution plate interposed between at least a portion of each of the two die cavities. The distribution plate has a dispensing edge and a plurality of extrusion channels. First and second extrusion channels extend from entrance openings at the first and second die cavities, respectively, to exit openings on the dispensing edge. The exit openings of the first and second extrusion channels are disposed in alternating positions along the dispensing edge. A method of extruding with such a die and an extruded article made therefrom are also disclosed. The method includes co-extruding a first polymeric composition and a second polymeric composition. The extruded article comprises a plurality of longitudinal first stripes of the first polymeric composition alternating with a plurality of longitudinal second stripes of the second polymeric composition.