Frito-Lay North America issued US patent for 'extruder die and resultant food product'

Nevin Barich

ALEXANDRIA, Virginia , March 11, 2014 (U.S. Fed News) – United States Patent no. 8,668,486, issued on March 11, was assigned to Frito-Lay North America Inc. (Plano, Texas).

"Extruder die and resultant food product" was invented by Shalaka Narwankar (Plano, Texas) and Richard James Ruegg (Coppell, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An extruder die designed to produce a spiral corn-based snack food product with consistent, tight spiral pitch and the resultant food product. The extruder die has a center post parallel to the flow path along with three cone-shaped receiving ports arranged in a cloverleaf pattern around the center post. The die has three curved slots on the output side of the die which are in fluid communication with the cone-shaped receiving ports. At the distal end of each of these slots is a semi-circular tip. The tip has a diameter larger than the width of its associated slot. Further, the tip is located at the apex of a cone-shaped receiving port with which it is in fluid communication, thus providing for the highest flow velocity of the extrudate through the tip. The resultant flow profile produces the consistent spiral shape of the snack product produced by the die design described."

The patent was filed on Aug. 15, 2011, under Application No. 13/210,126.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=8668486&OS=8668486&RS=8668486

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