Sca Hygiene Products Ab

Thomas &angst;berg

Roy Hansson

Kenneth Henriksson

Anders Tennby

Bo Thornstr&ouml;m

The invention relates to a device and a method for producing a material laminate ( ) by fixing pieces of material ( ) at a given distance from one another on a first continuously advanced material web ( ). The invention is characterized in that the pieces of material ( ) are cut from a second continuous web ( ) in a first station ( ) and are conveyed via a transport device ( ) to the first web ( ), to which the piece of material ( ) is attached by means of ultrasonic welding over a limited attachment area ( ) on the pieces of material ( ), and the pieces of material ( ) are subsequently fixed to the material web ( ) by ultrasonic welding in a second station ( ). The second station comprises an ultrasonic horn ( ) at a fixed distance from a stay ( ) designed as a rotating drum with a patterned outer surface.

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Göteborg, Sweden

Thomas &angst;berg