Global Patent Index - EP 3225707 A1

EP 3225707 A1 2017-10-04 - COMPONENT FOR MEDIA-CONDUCTING GAS OR WATER LINES COMPRISING A COPPER ALLOY

Title (en)

COMPONENT FOR MEDIA-CONDUCTING GAS OR WATER LINES COMPRISING A COPPER ALLOY

Title (de)

BAUTEIL FÜR MEDIENFÜHRENDE GAS- ODER WASSERLEITUNGEN, DAS EINE KUPFERLEGIERUNG ENTHÄLT

Title (fr)

COMPOSANT POUR DES CANALISATIONS D'EAU OU DE GAZ ACHEMINANT DES MILIEUX COMPRENANT UN ALLIAGE DE CUIVRE

Publication

EP 3225707 A1 (DE)

Application

EP 17151949 A

Priority

DE 202016101661 U

Abstract (en)

[origin: WO2017167441A2] The present invention relates to a component for media-conducting gas or water lines, in particular a fitting for supply lines of drinking water, wherein the component is at least partially made of a lead-free copper alloy which has the following alloy components in wt.%: 3.5 wt.% ≤ Sn ≤ 4.8 wt.%; 1.5 wt.% ≤ Zn ≤ 3.5 wt.%; 0.25 wt.% ≤ S ≤ 0.65 wt.%; 0.015 wt.% ≤ P ≤ 0.1 wt.%; and unavoidable impurities, with the rest being copper.

Abstract (de)

Die vorliegende Erfindung bezieht sich auf ein Bauteil für medienführende Gas- oder Wasserleitungen, insbesondere Fitting oder Armatur für Trinkwasserleitungen, wobei das Bauteil zumindest teilweise aus einer bleifreien Kupferlegierung besteht, die die folgenden Legierungskomponenten in Gew.-% aufweist: 3,5 Gew.-% ‰¤ Sn ‰¤ 4,8 Gew.-%; 1,5 Gew.-% ‰¤ Zn ‰¤ 3,5 Gew.-%; 0,25 Gew.-‰¤ S ‰¤ 0,65 Gew.-%; 0,015 Gew.-‰¤ P ‰¤ 0,1 Gew.-%; unvermeidbare Verunreinigungen sowie zum Rest Kupfer.

IPC 8 full level (invention and additional information)

C22C 9/02 (2006.01)

CPC (invention and additional information)

C22C 9/02 (2013.01)

Citation (applicant)

  • EP 1798298 A1 20070620 - KEMPER GEBR GMBH & CO KG [DE], et al
  • US 8470101 B2 20130625 - KOBAYASHI TAKESHI [JP], et al
  • EP 2250421 A1 20101117 - REHAU AG & CO [DE]
  • TURNER, THE INFLUENCE OF WATER COMPOSITION ON THE DEZINCIFICATION OF DUPLEX BRASS FITTINGS, 1965
  • UNTERSUCHUNGEN VON ENTZINKUNGSERSCHEINUNGEN AN FITTINGS AUS KUPFERLEGIERUNGEN, 1966
  • THE INFLUENCE OF WATER COMPOSITION ON THE DEZINCIFICATION OF DUPLEX BRASS FITTINGS, 1965

Citation (search report)

  • [XDI] US 2012082588 A1 20120405 - KOBAYASHI TAKESKI [JP], et al
  • [A] JP 2013199699 A 20131003 - FURUKAWA ELECTRIC CO LTD
  • [A] MARUYAMA TORU ET AL: "Casting structure, mechanical properties and machinability with changes in amount of alloyed elements of sulfide dispersed lead free bronze castings", CHUZO KOGAKU - JOURNAL OF JAPAN FOUNDRY ENGINEERING SOC, NIHON CHUZO KOGAKUKAI, TOKYO, JP, vol. 81, no. 12, 1 January 2009 (2009-01-01), pages 667 - 673, XP009179259, ISSN: 1342-0429
  • [A] ABE HIROYUKI ET AL: "Castability and cutting conditions of sulfide dispersed lead free bronze castings", CHUZO KOGAKU - JOURNAL OF JAPAN FOUNDRY ENGINEERING SOC, NIHON CHUZO KOGAKUKAI, TOKYO, JP, vol. 81, no. 12, 1 January 2009 (2009-01-01), pages 661 - 666, XP009179260, ISSN: 1342-0429

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

Designated extension state (EPC)

BA ME

EPO simple patent family

DE 202016101661 U1 20170630; EP 3225707 A1 20171004; WO 2017167441 A2 20171005; WO 2017167441 A3 20180301

INPADOC legal status


2018-05-16 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20180404

2018-05-16 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

- Designated State(s): 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

2017-10-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): 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

2017-10-04 [AV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT IN:

- Countries: MA MD

2017-10-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: BA ME