Flexible pack zips to market

A flexible bag with a transverse zipper provides consumers with 'pour-and-store' convenience for Birds Eye-brand frozen chicken-based meals.

Pw 20965 Besthemacadv 13

"Voila!" shouts the printed copy on the front of new flexible bags of Birds Eye®-brand individually quick-frozen meals marketed by Agrilink Foods, Inc., Rochester, NY. Introduced nationwide last July after successful testing in five states last spring, Chicken Voila! flavors are marketed as "All-in-one meals in moments." Eight flavors are sold in a 20-oz pack, three in both the 20-oz and a 30-oz size. Both sizes are sold in colorful bags with an unusual transverse-direction resealable zipper.

The low-density polyethylene zipper material comes from Minigrip/Zip-Pak (Manteno, IL). It is applied to a 3-mil coextrusion of film manufactured and printed by Banner Packaging (Oshkosh, WI), a division of Bemis. Banner surface-prints the film flexographically in eight colors, shipping printed rollstock to Agrilink's Fulton, NY, plant for packaging.

Neither Agrilink nor Banner would divulge the specific materials used in the structure, though it's believed to be a PE-based film. They do say the film is commonly used for frozen food packs. The companies also say there are no special barrier needs for the food, which Agrilink says has a six-month shelf life, though they believe that is conservative.

Agrilink applies the zipper to the film at its Fulton plant, using an Inno-Lok® machine built by Hudson-Sharp Machine Co. Converting Equipment (Green Bay, WI) (formerly FMC Converting Equipment). The zipper application process is patented by developer Innoflex (Alpharetta, GA). Hudson-Sharp is a licensee of the Innoflex technology.

Innoflex says the first major commercial application of the transverse zipper it developed was for Springdale, AR-based Tyson Foods' family packs of frozen poultry. The pack won an award from the Flexible Packaging Assn. (see Packaging World, March '98, p. 44, or packworld.com/go/tyson).

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