Tamper evident closures and packages with color changing means and separable portions of the closures and method of forming the same

摘要

This invention relates to tamper evident closures and packages for indicating teh condition of the packages and particularly to caps for containers or bottles having a stretchable portion which can change color and a separable from the cap, all to provide a clear and unequivocal indicator of the condition of the container or bottle, e.g., that it has been opened or tampered with.