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1. EP3269847 - METHOD FOR PRODUCING SURFACE-TREATED STEEL SHEET FOR BATTERY CONTAINERS, AND SURFACE-TREATED STEEL SHEET FOR BATTERY CONTAINERS

Office European Patent Office
Application Number 16764914
Application Date 11.03.2016
Publication Number 3269847
Publication Date 17.01.2018
Publication Kind A4
IPC
C25D 5/26
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; JOINING WORKPIECES BY ELECTROLYSIS; APPARATUS THEREFOR
5Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
24Electroplating of metal surfaces to which a coating cannot readily be applied
26of iron or steel surfaces
C25D 7/00
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; JOINING WORKPIECES BY ELECTROLYSIS; APPARATUS THEREFOR
7Electroplating characterised by the article coated
C25D 7/06
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; JOINING WORKPIECES BY ELECTROLYSIS; APPARATUS THEREFOR
7Electroplating characterised by the article coated
06Wires; Strips; Foils
H01M 2/02
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details, or processes of manufacture, of the non-active parts
02Cases, jackets or wrappings
CPC
C25D 3/12
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
3Electroplating: Baths therefor
02from solutions
12of nickel or cobalt
C25D 3/562
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
3Electroplating: Baths therefor
02from solutions
56of alloys
562containing more than 50% by weight of iron or nickel or cobalt
C25D 5/14
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
5Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
10Electroplating with more than one layer of the same or of different metals
12at least one layer being of nickel or chromium
14two or more layers being of nickel or chromium, e.g. duplex or triplex layers
C25D 5/50
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
5Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
48After-treatment of electroplated surfaces
50by heat-treatment
C25D 7/0614
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
7Electroplating characterised by the article coated
06Wires; Strips; Foils
0614Strips or foils
H01M 2/02
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details or processes of manufacture of the non-active parts
02Cases, jackets or wrappings
Applicants TOYO KOHAN CO LTD
Inventors OKAMATSU EIJI
NAKANO YUJI
MATSUSHIGE DAISUKE
Designated States
Priority Data 2015050543 13.03.2015 JP
2016057846 11.03.2016 JP
Title
(DE) VERFAHREN ZUR HERSTELLUNG EINES OBERFLÄCHENBEHANDELTEN STAHLBLECHS FÜR BATTERIEBEHÄLTER UND OBERFLÄCHENBEHANDELTES STAHLBLECH FÜR BEHÄLTER
(EN) METHOD FOR PRODUCING SURFACE-TREATED STEEL SHEET FOR BATTERY CONTAINERS, AND SURFACE-TREATED STEEL SHEET FOR BATTERY CONTAINERS
(FR) PROCÉDÉ DE FABRICATION DE TÔLE D'ACIER TRAITÉE EN SURFACE DESTINÉE À DES RÉSERVOIRS DE BATTERIE, ET TÔLE D'ACIER TRAITÉE EN SURFACE DESTINÉE À DES RÉSERVOIRS DE BATTERIE
Abstract
(EN)
There is provided a method for producing a surface-treated steel sheet for battery containers (1) comprising forming a dull or semi-bright nickel plating layer (12) on at least the surface to be the outside of a battery container in a steel sheet (11), wherein the nickel plating layer (12) is formed by performing plating treatment under a condition of a bath temperature of 70°C or more.

(FR)
L'invention concerne un procédé de fabrication d'une tôle d'acier traitée en surface (1) destinée à des réservoirs de batterie, une couche de plaquage de nickel terne ou semi-brillante (12) étant formée sur au moins une surface d'une tôle d'acier (11), ladite surface formant la surface externe d'un réservoir de batterie. Dans ce procédé de fabrication d'une tôle d'acier traitée en surface (1) destinée à des réservoirs de batterie, la couche de plaquage de nickel (12) est formée en exécutant un processus de placage à une température de bain de 70 °C ou plus.