Slit valve for closing off containers

摘要

A self sealing slit valve for closing off a container opening comprises a diaphragm part having a slit-shaped pour opening. The diaphragm part is made of a first thermoplastic elastomer material having resilient property, which is integrally formed to a base part made of a second thermoplastic material different from the first thermoplastic elastomer material. The slit valve according to the present invention is a molded part which is formed in a single operation by a two-component injection molding process.