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.

Date of Patent:
Mar. 19, 2019

Filed:

Mar. 06, 2015
Applicant:

Palo Alto Research Center Incorporated, Palo Alto, CA (US);

Inventors:

David K. Fork, Mountain View, CA (US);

Karl Littau, Palo Alto, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 47/06 (2006.01); B29C 47/70 (2006.01); B29C 47/00 (2006.01); B01F 5/06 (2006.01); B29C 47/02 (2006.01); B81C 99/00 (2010.01); B29L 31/34 (2006.01); B29L 31/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B29C 47/0064 (2013.01); B01F 5/0604 (2013.01); B29C 47/026 (2013.01); B29C 47/061 (2013.01); B29C 47/062 (2013.01); B29C 47/065 (2013.01); B29C 47/707 (2013.01); B29C 47/0019 (2013.01); B29L 2009/00 (2013.01); B29L 2031/3468 (2013.01); B29L 2031/7146 (2013.01); B29L 2031/737 (2013.01); B81C 99/0015 (2013.01); Y10S 425/049 (2013.01);
Abstract

A co-extrusion device includes at least one first inlet port to receive a first material, at least one second inlet port to receive a second material, a first combining channel arranged to receive the first material and the second material and combine the first and second materials into a first combined flow flowing in a first direction, a splitter channel arranged to receive the first combined flow and to split the first combined flow into at least two split flows in a second direction at least partially orthogonal to the first direction, wherein each split flow consists of the first and second materials, a second combining channel arranged to receive the split flows and combine the split flows into a second combined flow in the first direction, and at least one exit orifice arranged to allow the materials to exit the device as a single flow.


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