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Patent AT-E400500-T1: [Translated] METHOD AND DEVICE FOR MOVING A WELDING JAW

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Catalog Last Checked: September 10, 2026 at 07:54 PM | Dataset Last Updated: September 06, 2025
The method for controlling the transverse welding jaws (1, 6) of a vertical plastic bag making machine comprises moving each of them in an oval path (4) which brings them into contact with the tubular film over a vertical section (5) of the path to weld it. The speed of the jaws is adjusted so that the welding time is 0.1 - 0.8% of the total cycle time for the jaws : An independent claim is included for bag making machines operated using the method.

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