SeamMaster continuous bonding equipment prevents moisture from getting into seams of bulletproof materials such as Spectra-Shield and Kevlar, which can lose their effectiveness when wet. Ultrasonic energy is used to cut and seal synthetic materials in single pass. Machine eliminates need for heat sealing, adhesive machines, or stitching, which allows moisture and perspiration to penetrate inner core of garment through needle holes. SeamMaster runs at speeds up to 4 times faster than traditional sewing machines.

Sonobond Ultrasonics, West Chester, PA