Ultrasonic Clamshell Sealing

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Ultrasonic Clamshell Sealing by Sonitek®


There is nothing faster than Sonitek's Clamshell & Blister Pack Sealing! Ultrasonics eliminates adhesives, glues, staples, clips, RF & thermal. No other sealing process is faster or as cost-effective as ultrasonics!

What is Ultrasonic Clamshell Sealing?

Ultrasonic clamshell sealing is a packaging method that uses high-frequency vibrations to create a strong bond between plastic materials. The vibrations cause the plastic molecules to soften and bond together when held in place by a sealing anvil, creating a tamper-proof seal. This process is highly efficient, providing a secure and durable seal that meets all major retailers' requirements for packaging integrity.

Why Choose Ultrasonics?

  • Eliminates adhesives, glues, staples, clips, RF & thermal
  • Provides tamper-proof protection
  • Meets all major retailers' sealing requirements
  • Versatile and easily configurable equipment
  • Low-cost and energy-efficient
  • Safe: no RF damage to electrical circuits or wiring, environmentally safe and recyclable
  • High speed: up to five times faster than RF
  • Space-saving: small footprint fits anywhere
  • Seals various materials: PET/ETE, PETG/RPET, PVC, Styrene, Polypropylene
  • Aesthetically pleasing: limitless seal patterns

Typical Uses

  • Bench-top style plunge sealers
  • Bench-top semi-automatic systems for end-of-line flexible conveyors
  • Hand-held small spot welders for low volume small seal areas
  • Rotary systems with automatic eject stations for higher volumes
  • Less base models for integration into automatic packaging systems

Packing Applications Ideal for Ultrasonic Sealing

  • Aseptic
  • Bagging
  • Carton
  • Clamshell/Blister Pack
  • Corrugated Plastic (mail totes, etc.)
  • Cups
  • Shrink Wrap Packaging
  • Microwave/Oven Board
  • Pouches
  • Medical
  • Spouts
  • Strappings
  • Tamper Evident/Safety Caps
  • Tubes
  • Zip Lock Bags
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