Ultrasonic Hermetic Sealing


Ultrasonic Rotary customized solution : sealing continuously all kind of synthetic fabrics

Ultrasonic sealing machine. – customized solution : sealing continuously all kind of synthetic fabrics


Ultrasonic cement bags valve sealing

Ultrasonic cement bags valve sealing


Semiautomatic ultrasonic sealing machine for TRASPARENT PVC

Semiautomatic ultrasonic sealing machine for TRASPARENT PVC


Ultrasonic sealing film

Ultrasonic sealing system / Ultrasonic sealing packaging

Viale de Gasperi, 76
20017 RHO (MI) Italia


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Ultrasonic hermetic sealing technology offers unique advantages for various industries. Sonic Italia provides welding machines to clients worldwide.

Fill out the form above if you want a free consultancy by our staff.

How does ultrasonic hermetic sealing work

The friction process generates localized heat, caused by the molecular movement of two different films in vibrating sonotrode’s contact point. Even though molecules do not change their position, they bind together and remain welded.

These Vertical Form Fill Sealing (VFFS) processes allow for wet, damp or dusty surfaces to get hermetically sealed, thus adding outstanding speed to the production process. Hermetic sealing is widely employed in the food and construction supply industries, specially for frozen goods, ready-to-eat salads, grated cheeses, sand and cement bags.

This type of hermetic sealing using ultrasound offers several benefits when working with cold or friable items that could contaminate the welding area and severely reduce the quality of its hermetic holding with a traditional sealing method.

Employing ultrasonic hermetic sealing instead of the standard thermosealing procedure brings a series of advantages. Preserving packaging materials and avoiding to get film residues in the soldering tool. This allows for a quicker cleaning and a considerable reduction of downtime intervals.

Visit our dedicated page and request a free consultancy by filling the form above.

Advantages of hermetic sealing with ultrasounds

Go to our YouTube channel to see more about hermetic sealing plus Sonic Italia’s many other applications.

Sonic Italia specializes in ultrasound technologies for various industries. Our company is capable of offering a vast assortment of professional, state-of-the-art equipment, to provide customer support regarding installation, maintenance and a large team of professionals ready to assist you in Italy and around the world in no time.

Fill out the form in order to get a free consultation from our experienced staff.

Nonwovens ultrasonic welding
Solutions for welding non-woven fabrics. It can be performed on 100% synthetic fabrics or blends.

Plastic assembly systems
This type of plastics assembly is used when high aesthetic quality and production speed are required.

Ultrasonic bonding
Customized bonding solutions for synthetic and non-woven fabrics.

Ultrasonic cutting
Sonic Italia manufactures cutting edge ultrasonics machinery.

Ultrasonic food cutting
High frequency blades suitable for almost all kind of food cutting with different frequencies.

Ultrasonic hermetic sealing
Ultrasounds generate friction heat to create an hermetic seal from within plastic films.

Ultrasonic sewing machine
This process is versatile – you can seam, cut, slit, trim, tack, emboss and seal simultaneously.

Ultrasonic slicer
Cutting systems integrated in semi or fully automated slicers.

Ultrasonic slitting
Slitting is the most efficient and clean solution for work with synthetic fabrics.

Ultrasonic tools
Tools for customised cutting and sealing solutions.

Ultrasonic welding 
Discover more about Energy Directors development.

Hand-held Ultrasonic Welder 
Manual ultrasonic cutting and welding handgrip for improved maneuverability.

Manure Belt Welder 
Find out more about our manual ultrasonic welder designed for manure and egg conveyor belts.

Ultrasonic cutting sealing films fabrics 
Applications for non-woven, packaging and textiles in the clothing industry.

Ultrasonic Insertion
Ultrasonic insertion of a threaded brass rivet  in a plastic component.

Ultrasonic blades 
Sonic Italia’s technical department develops blades of all shapes and designs

Ultrasonic Linear Circular Weaving Cutter
Suited for manufacturing rafia items.

Ultrasonic Punching
Solutions for plastic, acrylics and filtration fabrics.

Ultrasonic Rotative Bonding System For Pleated Filters 
An eco-friendly rotary bonding system designed for pleated filters that doesn’t require any solvents or adhesives.

Ultrasonic Sonotrode
Sontorodes: thirty years’ experience in manufacturing customized horns.

Ultrasonic Spot Welding
Spot welding for components assembly.

Ultrasonic Stud Welding
Chosen when similar plastic parts need to be welded at single or multiple localised points.



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