Abstract: A tamper evident cap is provided which includes plastic and includes a skirt having means for engaging means on a neck of a container for closing and opening the container, and an annular frangible band connected to and depending from the skirt, wherein the band includes an outer wall frangibly connected to the skirt by a line of weakness comprising fracturable bridges, posts and the like, and an inner wall joined to the bottom of the outer wall by a curvilinear connecting portion and extending therefrom inwardly and upwardly in a generally inverted "J", "U", "V", triangulated curl " or "trapazoidal" cross-sectional shape, wherein the inner wall includes a free end comprising a rim adapted to engage the interfering means on a container.

Abstract: A chuck for handling hollow, cylindrical glass articles, such as used in solar energy installations, is disclosed wherein such glass articles generally are in the form of concentrically assembled glass tubing having a coated exterior surface. In the orientation in handling these types of glass articles, a polypropylene, integral chucking mechanism, which is adapted to be inserted within the glass article and actuated after insertion, expands to engage the interior surface of the glass article and maintains the article in a specific, desired, fixed position. The inclusion of a cone member on the chuck supporting structure and a V block guide assist in the proper alignment of the glass article relative to the clamp and its support.