SONOTRONIC GmbH
Becker-Goering-Str. 17-25
76307 Karlsbad, Germany
E-Mail: sales@sonotronic.de

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Friday 8 am – 3 pm
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Sports equipment

Solid connections with ultrasonic without needle and thread

Ultrasonic technology is used primarily for welding tapes to injection molded parts of sports articles, for example ski goggles. A spot sonotrode is used to weld the elastic strap and the injection-molded part in a material- and space-saving manner. An absolutely tight connection is created. In addition, the elastic bands of ski goggles are also cut using ultrasonic. The cut edges are sealed and embossed during cutting so that the material does not fray.

Fleece and Velcro straps can also be welded on with ultrasonic in a shapely and flexible manner. The resulting seam is firm and flat. For example, the Velcro fastener on ski jumping gloves is welded on with ultrasonic.

In the fashion industry, fine and elastic materials (consisting of at least 70% synthetic fiber) are "sewn" with ultrasonic without needle and thread. In this process, continuous spot welding replaces the thread. The elasticity in the material is retained, and the overlap seams are gentle on the skin, not noticeable and flat, guaranteeing a high level of wearer comfort.

Textilindustrie, Sportartikel, Fashion-Branche: Ultraschall-Schweißen, Ultraschall-Rollnahtschweißen, Cut&Seal, Punktschweißung. Verbindungen mit optisch ansprechender Qualität, langlebig und hautschonend.

 

Realized applications are for example

  • Ski goggles
    • Ultrasonic cutting of elastic tapes
    • Ultrasonic welding of elastic bands with injection molded parts 
  • Ski jumping gloves welded to the Velcro fastener
  • Mesh fabric is attached to injection molded parts for helmets
  • Ultrasonic cutting of mountain ropes
  • Suitcase straps welded tightly and visually with ultrasonic
  • Punching tapes with ultrasonic
  • Ultrasonic punching of various shapes from textile materials
  • Cutting to length and cutting of nonwovens or fabrics
  • Ultrasonically joining fleece and Velcro tapes to make them tear-proof
  • Ultrasonic "sewing" of corsetry such as sports underwear without thread (spot welding while maintaining elasticity)

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