Weatherchem manufactures and markets plastic dispensing closures for food, health care and chemical applications. It specializes in living hinge technology, dispensing closures and controlled access packaging. The company s competencies and patent positions, known as Flapper technology, incorporate single piece designs, engineered locking mechanisms and living hinge technology into injection-molded plastic dispensing closures. Weatherchem is a subsidiary of Cleveland-based Weatherhead Industries. It has been in business for more than 30 years and is located in Twinsburg, Ohio