Importance

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Abstract

An ultrasonic vibration element which vibrates with a longitudinal ultrasonic vibration, the vibration unit is bounded in the longitudinal direction by a rear face and a front face, the front face is either intended to come into contact with a further vibration element or is designed as a sealing surface or adjoins a sealing surface which comes into contact with a material to be processed, wherein a circumferential lateral surface is provided, which connects the rear surface and the front face, the vibration element has a slit in the lateral surface, the slit has a slit length, a slit width and a slit depth, the slit depth being selected such that the slit completely penetrates the ultrasonic element, and the slit length being greater than the slit width, wherein the slit is not axially symmetrical to a slit longitudinal axis.

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First Claim