NECK ASSEMBLY FOR THIN WALLED CONTAINER

摘要

A neck assembly for a container body such as may be formed from polymers of the unsaturated olefin series in a blow molding operation. The container body has a flexible annular neck extending therefrom, and is of a thickness that can be folded upon itself about an annular ring. A neck piece has an annular groove therein of a diameter corresponding to the diameter of the annular ring and the folded over portions of the annular neck together with the annular ring are inserted into the annular groove with an interference fit.