MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202531029952 A) filed by Tata Steel Limited on March 28, 2025, for System To Produce Pitch-Based Carbon Fibers And Method Thereof.
Inventors include Ajinkya Meshram; and Pratik Swarup Dash.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: SYSTEM TO PRODUCE PITCH-BASED CARBON FIBERS AND METHOD THEREOF A system to produce carbon fibers from pitch-based precursors. The system includes an unwinding station (1) to load pitch-based green fiber (13). The system further includes a plurality of oxidation ovens (4, 5) having a plurality of temperature zones. Each zone of the plurality of temperature zones incrementally heats the loaded pitch-based green fiber (13) and forms a stabilized fiber (14). A plurality of guide rollers (12) located inside each oven of the plurality of oxidation ovens (4, 5) controls a movement of the loaded pitch-based green fiber (13) in corresponding oven of the plurality of oxidation ovens (4, 5). The system further includes a plurality of furnaces (24, 25, 26) having a plurality of carbonization zones. Each zone of the plurality of carbonization zones incrementally carbonizes the stabilized fiber (14) to form a carbon fiber (15). [Fig. 1]
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