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https://drivepatents.com/patents/1398964 · 23 Jul 2025
The present invention relates to a pouch shaping apparatus capable of reducing or preventing generation of wrinkles at a corner of a receiving portion to be formed and a pouch with remedied wrinkles manufactured thereby, and more particularly to a pouch sh...
https://drivepatents.com/patents/1399335 · 23 Oct 2024
The present invention relates to a pouch curl prevention apparatus used in a pouch forming process, more particularly to a pouch curl prevention apparatus located at the rear of a pouch film forming apparatus, the pouch curl prevention apparatus including ...
https://drivepatents.com/patents/1069206 · 15 Mar 2006
The method for the manufacture of curved window panel (21) of thermoplastic material for windows, skylights or doors especially in caravans, touring vehicles or other types of vehicle involves softening a window pane (22) by heat application and shaping it...