Rinco actuator creates continuous seals

The Micro-35 can be easily integrated into fin sealing and zipper crushing applications.
Feb. 20, 2026

Micro-35 This new packaging actuator from welding technology maker Rinco Ultrasonics. is designed to meet the requirements of continuous fin sealing and zipper crushing applications for the packaging industry.  

What’s new? The actuator, which Rinco showed at Pack Expo in September. 

Benefits Repeatability, user-friendliness, speed and energy efficiency. According to Rinco, ultrasonic fin sealing is an economical way to create continuous, hermetic longitudinal seals on flexible packages. The new actuator can be easily integrated into fin sealing and zipper crushing applications. 

Rinco Ultrasonics USA Inc., Danbury, Conn., 203-744-4500, www.rincoultrasonics.com 

About the Author

Karen Hanna

Senior Staff Reporter

Senior Staff Reporter Karen Hanna covers injection molding, molds and tooling, processors, workforce and other topics, and writes features including In Other Words and Problem Solved for Plastics Machinery & Manufacturing, Plastics Recycling and The Journal of Blow Molding. She has more than 15 years of experience in daily and magazine journalism.