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28 - 30 September 2021 // Nuremberg, Germany

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Exhibitors & Products FACHPACK 2019
Zoom Image LOGO_Longitudinal seal modules

Longitudinal seal modules

LOGO_Longitudinal seal modules

Longitudinal seal modules

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The LSM Fin longitudinal seal module stands for high quality, continuously manufactured sealing lines on bags (horizontal and vertical) and on chained bags. Easily exchangeable sealing tools allow for an individual and material-saving seal design.

LSM Fin longitudinal seal module

In the LMS Fin, the longitudinal seal is created on the basis of the continuous guidance of the films past the fixed installation tools. This means that the synchronization of rotating tools with the film feed is not necessary. The ultrasonic ensures minimal frictional forces and enables a  consistent film movement. Depending on the requirements, various sealing blades are available for determining the seal design.
The  generation of the sealing force is pneumatic and set electronically via a proportional control valve. This enables the rapid adjustment of the force during the process and for constant sealing results to be guaranteed – even with a varying production speed.
The LSM Fin is designed so that all the settings are easy to use and easily accessible. The anvil holder with sealing blade can be easily removed for cleaning – all of the settings are saved for the reassembly.

  • 35 kHz operating frequency 
  • speed of up to 120 m/min
  • 3 force ranges of 12 N - 270 N
  • High process stability with varying process speed
  • Minimum (construction) space requirement due to compact design
  • Intuitive and easily accessible setting options
  • Anvil can be easily removed for rapid cleaning
  • Rapid adjustment of the process parameters due to electronic settings

Advantages of ultrasonic sealing technology

  • Tight and strong sealing lines, even with seal contamination
  • No thermal influence on the product thanks to cold sealing tools
  • Instant on: no extra time to heat up the sealing tools necessary
  • No cold sealing mass required

Longitudinal seal modules is assigned to following product groups:

Product groups


FACHPACK offers concrete solutions for packaging-intensive industries. Industry guide


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