US Patent 7879377 Pet snack

Pet food products and methods of manufacture are provided, the pet food product comprising a helical body having a first material formed to include an outer surface, and a second material having a striping portion deposited on the outer surface of the first material and positioned to lie along a length of the first material, the pet food product optionally having a stuffing portion positioned within a cavity in the first material. Illustratively, the second material has a composition that provides lubrication during an extrusion process to manufacture the food product.