ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,105, issued on Dec. 2.
"Device for removing scraps after laser notification of film forming unit of secondary battery for electric vehicle" was invented by Kye-seol Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a device for removing scraps after laser notching of a film forming unit of a secondary battery for an electric vehicle, and to completing a jelly roll in which flags are not overlapped by clearly removing particles generated during notching jointly with accurately separating and discharging a scram part by ultraprecision injection through multiple air nozzles when forming a flag shape ...