Ultrasonic cocktail

With an ultrasonic hand welder you can either connect glass-fibre reinforced plastic components using plastic rivets – or mix a cocktail. The latter seems more appropriate in view of the most international Techtextil of all time.

Barkeeper may not be listed on his business card, but Philipp Gerstner is doing his bar job at the Herrmann Ultraschalltechnik trade fair stand exceptionally well. The company, which is based in Karlsbad in Baden-Württemberg, usually supplies hygiene and medical product manufacturers with larger systems for the ultrasonic welding of nonwovens (see photo below).

Joining nonwoven layers using ultrasonic welding: sales engineer Sarah Kniehl at one of the larger Herrmann machines

Joining nonwoven layers using ultrasonic welding: sales engineer Sarah Kniehl at one of the larger Herrmann machines

‘Toothbrushes, coffee capsules, Tetrapaks – if you removed all the ultrasonic welded products from supermarket shelves, there wouldn’t be a lot left’, says Gerstner, and picks up the ultrasonic hand welder. ‘Ready?’, he asks. Of course. And off we go: at 35,000 oscillations per minute per second, it causes the carbonic acid in the glass to foam. ‘Cheers!’, he says. To the most international Techtextil of all time with 1818 exhibitors from 59 countries and around 47,000 trade visitors from 116 countries, no doubt.

Ronny Eckert

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