Ultrasonic splicing

Use ultrasonic splicing and get resistant and invisible splices…

Thanks to our ultrasonic expertise combined with our Calemard sister brand know-how in machine manufacturing, we are able to offer the right solution adapted to your needs. Indeed, ultrasonic splicing is the perfect solution to perform strong, invisible and reliable plain splices. Moreover, it also allows to avoid use of additive element such as glue, adhesive or thread… Then, in order to offer you a customized solution adapted to your resistance and invisibility needs, we propose :

  • two types of technologies:
    • butt-to-butt splicing with or without ironing
    • or overlap web splicing
  • integrated bench/modules or separate equipment

Main advantages of ultrasonic splicing:

  • high quality and improved reliability of splice
  • faster and more efficient assembly process
  • wastes reduction thanks to environmentally friendly splices used directly on finished products

Ultrasonic splicing applications

Our solutions are perfect to perform splices on your nonwovens and plastic films. As a result, they are mainly used in filtration, hygiene, wire and cable industry, packaging or airbags manufacturing…

*Ultrasonic technology can be used only on synthetic textiles (with a minimum of synthetic fibers), thermoplastics or any thermo-fusible product. To be sure, don’t hesitate to contact us for trials.


Two splicing technologies:

  • Butt-to-butt splicing for:
    • high quality and resistant splices
    • invisible splices thanks to ironing
  • Overlap web splicing:
    • for a higher strenght

Customized solutions available:

  • module or device to be integrated on line or machine
  • separate equipment such as a independent bench
Technical information
  • Customized solutions
  • Ultrasonic technology: Continuous ultrasonic welding
Spare parts and accessories

For your spare parts or accessories orders, feel free to contact our spare parts team directly by phone +33 4 77 29 36 70 or e-mail : sav-decoup@spoolex.com

  • Spare parts: use the parts drawing provided with your Ultrasonic splicing bench or device