Sign In to Follow Application
View All Documents & Correspondence
View All Documents & Correspondence
Flash Butt Welding Member Having Excellent Formability, And Production Method
Abstract: Provided are a flash butt welding member with a welding part that is highly formable, and a welding method. The present invention relates to a welding member having excellent formability, and a production method. The welding member has a welding part that results from flash butt welding butt joints of a steel sheet using an electrode, and the average hardness difference is 50 or less in Vickers hardness between the coarse-grained and fine-grained heat-affected areas formed on any one side, left or right, of the welding line (welding interface) of the welding part.
Get Free WhatsApp Updates!
Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
17 April 2025
Publication Number
19/2025
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Applicants
POSCO CO., LTD
6261, Donghaean-ro, Nam-gu
Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. BAE, Gyu-Yeol
100, Songdogwahak-ro
Yeonsu-gu,
Incheon 21985
2. HAN, Do-Kyeong
100, Songdogwahak-ro
Yeonsu-gu,
Incheon 21985
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517037359-STATEMENT OF UNDERTAKING (FORM 3) [17-04-2025(online)].pdf | 2025-04-17 |
| 2 | 202517037359-REQUEST FOR EXAMINATION (FORM-18) [17-04-2025(online)].pdf | 2025-04-17 |
| 3 | 202517037359-PROOF OF RIGHT [17-04-2025(online)].pdf | 2025-04-17 |
| 4 | 202517037359-PRIORITY DOCUMENTS [17-04-2025(online)].pdf | 2025-04-17 |
| 5 | 202517037359-POWER OF AUTHORITY [17-04-2025(online)].pdf | 2025-04-17 |
| 6 | 202517037359-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [17-04-2025(online)].pdf | 2025-04-17 |
| 7 | 202517037359-FORM 18 [17-04-2025(online)].pdf | 2025-04-17 |
| 8 | 202517037359-FORM 1 [17-04-2025(online)].pdf | 2025-04-17 |
| 9 | 202517037359-FIGURE OF ABSTRACT [17-04-2025(online)].pdf | 2025-04-17 |
| 10 | 202517037359-DRAWINGS [17-04-2025(online)].pdf | 2025-04-17 |
| 11 | 202517037359-DECLARATION OF INVENTORSHIP (FORM 5) [17-04-2025(online)].pdf | 2025-04-17 |
| 12 | 202517037359-COMPLETE SPECIFICATION [17-04-2025(online)].pdf | 2025-04-17 |
| 13 | 202517037359-FORM-26 [15-07-2025(online)].pdf | 2025-07-15 |
| 14 | 202517037359-Others-160725.pdf | 2025-07-21 |
| 15 | 202517037359-GPA-160725.pdf | 2025-07-21 |
| 16 | 202517037359-Correspondence-160725.pdf | 2025-07-21 |
| 17 | 202517037359-certified copy of translation [15-09-2025(online)].pdf | 2025-09-15 |
| 18 | 202517037359-FORM 3 [18-09-2025(online)].pdf | 2025-09-18 |