Branson Ultrasonics (Danbury, CT) has published a full-color brochure to provide solutions to plastics assembly problems. "Plastics Joining Technology" describes a range of pro-cesses and equipment including ultrasonic assembly, linear and orbital vibration welding and hot plate welding.
A dispensing closure and squeeze tube combination is now available from J.L. Clark (Rockford, IL) and Tubed Products (Easthampton, MA). The SST tube/cap features a one-piece, smooth-wall, PP closure that matches the tube's head finish exactly.