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https://drivepatents.com/patents/1379893 · 26 Mar 2026
The disclosure relates to a bipolar plate production method for producing a bipolar plate, in particular for an electrochemical cell, which method comprises the following steps:
https://drivepatents.com/patents/1398984 · 25 Mar 2026
Provided is a pouch type battery case. The pouch type battery case include a cup part configured to accommodate an electrode assembly, which is formed by stacking electrodes and separators, therein and a plurality of die edges configured to connect an wall...
https://drivepatents.com/patents/1395198 · 25 Jun 2025
The present invention relates to equipment for molding a pouch, which includes: a transfer device configured to transfer a pouch film; a molding device configured to press a top surface of the pouch film transferred by the transfer device so as to mold an ...
https://drivepatents.com/patents/1013481 · 27 Apr 2011
The method involves providing a material composite, and feeding the material composite to an opened cavity of a heated molding tool, where the tool is closed. Pressure is applied into pressurized sections of the material composite such that one of two pane...
https://drivepatents.com/patents/1016125 · 2 Feb 2011
The invention is related to a retroreflective film having a prismatic layer with retroreflective prism elements; a sublayer extending between its front surface and the retroreflective prism elements; wherein the retroreflective elements have a height h ele...
https://drivepatents.com/patents/1088285 · 7 Apr 2004
Manufacturing a separator method for fuel cell, comprising the steps of forming separators (41, 95, 107) with cores by providing cores (31, 94) between two preforms (17, 90, 101), and heating the separators to fuse and discharge the cores so as to form a n...