The Coca-cola Company

The Libman Company

Brett R Niggel

Andrew J Sanguinet

Mark A Smith

Gregg S Montgomery

Marty L Shampoe

Steven R Kroplewski

Bottle and cap assembly

A pump for delivering product from a product package to a nozzle. The pump may include a housing with a first port, a second port, and an interior. The first port mates with the product package and the second port mates with the nozzle. A first check valve may be positioned within the first port. A piston rod may be positioned within the interior of the housing for movement therein. The piston rod may include a first piston and a second piston. The first piston may include a second check valve positioned therein such that the product is forced past the first check valve on a down stroke of the piston rod and forced past the second check valve on an up stroke of the piston rod.

Pump for concentrate packages

Growing community of inventors

Corry, PA, United States of America

Brett R Niggel