Japan, July 14 -- NETUREN CO LTD has got intellectual property rights for 'HEATING COIL AND INDUCTION HARDENING DEVICE.' Other related details are as follows:
Application Number: JP,2022-026435
Category (FI): C21D1/10@R,H05B6/10,371,C21D9/00@A,H05B6/40,H05B6/10,331,H05B6/36@Z
Stage: PROBLEM TO BE SOLVED: To provide a heating coil and an induction hardening device that enables both uniform heating of a workpiece and rapid cooling of the heated workpiece.SOLUTION: A heating coil includes a first arc portion whose inner radius is a first inner radius, and a second circular arc portion whose inner radius is a second inner radius larger than the first inner radius.SELECTED DRAWING: Figure 3 (Grant)
Filing Date: Feb. 24, 2022
Publication Date: Sept. 5, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.