MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202614012715 A) filed by Proterial, Ltd. on February 05, 2026, for Method For Recovering Copper Or Copper Alloy From Enameled Wire.
Inventors include Sato, Tetsuro; Okamoto, Kenichi; Keruma, Ko; Kishi, Masamichi; Takahashi, Kazuhisa; and Murakami, Yuri.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: The present invention provides a method for recovering copper or copper alloy from enameled wire, which has a low environmental load and low processing cost, and which is 5 capable of efficiently recovering copper in a batch manner even when enameled wires having various shapes and lengths are mixed together. In a recovery method for recovering copper or copper alloy by removing an insulator 22 from an enameled wire 2, the method includes a crushing step of charging a plurality of enameled wires 2 having different lengths and shapes into a crusher 3 and crushing the enameled wires 2 to shorten the enameled wires 2, a 10 separating step of subjecting the enameled wires 2 shortened in the crushing step to compression processing or rolling processing to separate the insulator 22 from the conductor 21, and a stripping step of stripping the insulator 22 separated from the conductor 21 in the separating step. 13
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