Plated Checkered Steel Plate

Abstract: A plated checkered steel plate comprising on one plate surface a base checkered steel plate provided with protruding parts having a height of 3 mm or less and flat parts a plating layer including a zinc based alloy layer arranged on the plate surface of the base checkered steel plate where the protruding parts and flat parts are provided and a chemical conversion coating layer provided on the surface of the plating layer wherein the film thickness of the chemical conversion coating layer on the flat parts of the base checkered steel plate is 0.10 to 5.00 ??m per side and the film thickness ratio of the chemical conversion coating layer on the protruding parts and the flat parts of the base checkered steel plate (film thickness of the chemical conversion coating layer on the flat parts/film thickness of the chemical conversion coating layer on the protruding parts) is 0.2 to 5.0.

Patent Information

Application #

Filing Date

11 March 2025

Publication Number

20/2025

Publication Type

INA

Invention Field

PHYSICS

Status

Email

Parent Application

Applicants

NIPPON STEEL CORPORATION

6 1 Marunouchi 2 chome Chiyoda ku Tokyo 1008071

Inventors

1. SAITO Mamoru

c/o NIPPON STEEL CORPORATION 6 1 Marunouchi 2 chome Chiyoda ku Tokyo 1008071

2. GOTO Yasuto

c/o NIPPON STEEL CORPORATION 6 1 Marunouchi 2 chome Chiyoda ku Tokyo 1008071

3. NAKABAYASHI Ryota

c/o NIPPON STEEL CORPORATION 6 1 Marunouchi 2 chome Chiyoda ku Tokyo 1008071

4. MORIMOTO Tatsuyoshi

c/o NIPPON STEEL CORPORATION 6 1 Marunouchi 2 chome Chiyoda ku Tokyo 1008071

Specification

Documents

Application Documents

#	Name	Date
1	202517021702-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [11-03-2025(online)].pdf	2025-03-11
2	202517021702-STATEMENT OF UNDERTAKING (FORM 3) [11-03-2025(online)].pdf	2025-03-11
3	202517021702-REQUEST FOR EXAMINATION (FORM-18) [11-03-2025(online)].pdf	2025-03-11
4	202517021702-PROOF OF RIGHT [11-03-2025(online)].pdf	2025-03-11
5	202517021702-PRIORITY DOCUMENTS [11-03-2025(online)].pdf	2025-03-11
6	202517021702-POWER OF AUTHORITY [11-03-2025(online)].pdf	2025-03-11
7	202517021702-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [11-03-2025(online)].pdf	2025-03-11
8	202517021702-FORM 18 [11-03-2025(online)].pdf	2025-03-11
9	202517021702-FORM 1 [11-03-2025(online)].pdf	2025-03-11
10	202517021702-DRAWINGS [11-03-2025(online)].pdf	2025-03-11
11	202517021702-DECLARATION OF INVENTORSHIP (FORM 5) [11-03-2025(online)].pdf	2025-03-11
12	202517021702-COMPLETE SPECIFICATION [11-03-2025(online)].pdf	2025-03-11
13	202517021702-MARKED COPIES OF AMENDEMENTS [10-04-2025(online)].pdf	2025-04-10
14	202517021702-FORM 13 [10-04-2025(online)].pdf	2025-04-10
15	202517021702-AMMENDED DOCUMENTS [10-04-2025(online)].pdf	2025-04-10
16	202517021702-FORM 3 [30-04-2025(online)].pdf	2025-04-30