A cover for fracturing the neck of a glass ampoule or vial of the type having a glass body, a glass top and a glass neck joining the body to the top and dispensing fluid therefrom. The cover has a first portion with a hollow interior sized to sealingly receive and resiliently capture the body portion...http://www.google.com/patents/US6832703?utm_source=gb-gplus-sharePatent US6832703 - Monomer vial breaker