Global Patent Index - EP 3444378 A4

EP 3444378 A4 20191218 - TREATED SURFACE STEEL BAND AND METHOD FOR MANUFACTURING TREATED SURFACE STEEL BAND

Title (en)

TREATED SURFACE STEEL BAND AND METHOD FOR MANUFACTURING TREATED SURFACE STEEL BAND

Title (de)

STAHLBAND MIT BEHANDELTER OBERFLÄCHE UND VERFAHREN ZUR HERSTELLUNG EINES STAHLBANDS MIT BEHANDELTER OBERFLÄCHE

Title (fr)

BANDE D'ACIER DE SURFACE TRAITÉE ET PROCÉDÉ DE FABRICATION DE BANDE D'ACIER DE SURFACE TRAITÉE

Publication

EP 3444378 A4 20191218 (EN)

Application

EP 17782478 A 20170413

Priority

  • JP 2016080549 A 20160413
  • JP 2017015160 W 20170413

Abstract (en)

[origin: EP3444378A1] A surface treated steel strip according to the present invention includes: a base steel sheet; a zinc phosphate coating film layer made of needle zinc phosphate crystals which are formed in an island shape on a surface of the base steel sheet; and a lubricating coating film layer covering the surface of the base steel sheet and a part of the zinc phosphate coating film layer, and containing at least a lubricating component, in which an area ratio of the zinc phosphate crystals exposed from a surface of the lubricating coating film layer is 25% to 90%.

IPC 8 full level

C23C 28/00 (2006.01); C10M 169/04 (2006.01); C23C 22/12 (2006.01); C23C 22/73 (2006.01); C23C 22/80 (2006.01); C23C 28/04 (2006.01); C10N 10/02 (2006.01); C10N 20/04 (2006.01); C10N 20/06 (2006.01); C10N 30/06 (2006.01); C10N 40/24 (2006.01); C10N 50/02 (2006.01); C10N 80/00 (2006.01)

CPC (source: EP KR US)

C10M 103/06 (2013.01 - KR US); C10M 125/26 (2013.01 - KR US); C10M 143/04 (2013.01 - KR US); C10M 169/044 (2013.01 - EP); C23C 22/12 (2013.01 - EP KR US); C23C 22/73 (2013.01 - EP KR); C23C 22/80 (2013.01 - EP KR); C23C 22/82 (2013.01 - KR); C23C 28/00 (2013.01 - US); C23C 28/04 (2013.01 - EP); C10M 143/02 (2013.01 - US); C10M 2201/066 (2013.01 - EP); C10M 2201/102 (2013.01 - EP US); C10M 2205/022 (2013.01 - US); C10M 2205/024 (2013.01 - US); C10M 2205/14 (2013.01 - EP); C10M 2207/126 (2013.01 - EP); C10M 2209/084 (2013.01 - EP); C10M 2223/04 (2013.01 - EP); C10N 2020/04 (2013.01 - EP); C10N 2020/06 (2013.01 - EP); C10N 2030/06 (2013.01 - EP); C10N 2040/24 (2013.01 - EP); C10N 2040/246 (2020.05 - EP); C10N 2050/02 (2013.01 - EP); C10N 2080/00 (2013.01 - EP)

C-Set (source: EP)

  1. C10M 2201/102 + C10N 2010/02
  2. C10M 2207/126 + C10N 2010/02

Citation (search report)

  • No further relevant documents disclosed
  • See references of WO 2017179665A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3444378 A1 20190220; EP 3444378 A4 20191218; BR 112018070898 A2 20190205; CN 109072447 A 20181221; CN 109072447 B 20200901; JP 6246984 B1 20171213; JP WO2017179665 A1 20180419; KR 102133749 B1 20200714; KR 20180131597 A 20181210; MX 2018012427 A 20190301; TW 201739936 A 20171116; TW I629377 B 20180711; US 2019211456 A1 20190711; WO 2017179665 A1 20171019

DOCDB simple family (application)

EP 17782478 A 20170413; BR 112018070898 A 20170413; CN 201780023567 A 20170413; JP 2017015160 W 20170413; JP 2017533369 A 20170413; KR 20187031755 A 20170413; MX 2018012427 A 20170413; TW 106112376 A 20170413; US 201716093369 A 20170413