Global Patent Index - EP 3406750 B1

EP 3406750 B1 20230405 - SINGLE-PIECE EXTENDED LAMINAR FLOW INLET LIPSKIN

Title (en)

SINGLE-PIECE EXTENDED LAMINAR FLOW INLET LIPSKIN

Title (de)

EINSTÜCKIG VERLÄNGERTE RINGLIPPE(LIPSKIN) MIT LAMINAREM FLUSS

Title (fr)

PIÈCE EN ALUMINIUM AÉROSPATIAL (LIPSKIN)

Publication

EP 3406750 B1 20230405 (EN)

Application

EP 18173837 A 20180523

Priority

  • US 201715603899 A 20170524
  • NL 1042437 A 20170621

Abstract (en)

[origin: EP3406750A1] Methods are disclosed for forming metal workpieces made from a heat-treatable metal that has been shaped and tempered according to specified protocols that facilitate formation of large contoured unitary metal structures having welds that are retained in the finished structure, and finished metal structures made according to such methods.

IPC 8 full level

C22F 1/04 (2006.01)

CPC (source: CN EP)

B21D 35/002 (2013.01 - CN); C22F 1/04 (2013.01 - CN EP)

Citation (examination)

  • US 9090950 B2 20150728 - HALES STEPHEN J [US], et al
  • "Aerospace Manufacturing Processes", 19 September 2016, CRC PRESS, US, ISBN: 978-1-4987-5605-1, article SAHA PRADIP K.: "Chapter 8: Cold Forming of Flat Sheet", pages: 205 - 252, XP055798890, DOI: 10.1201/9781315367965
  • ANONYMOUS: "Review of Explosive (chemical) Forming", DDC REPORT, 1 April 1965 (1965-04-01), pages 80, XP055798906
  • SANDERS DANIEL ET AL: "Superplastically Formed Friction Stir Welded Tailored Aluminum and Titanium Blanks for Aerospace Applications", 6TH EUROSPF CONFERENCE, 1 September 2008 (2008-09-01), pages 1 - 9, XP055798891
  • STROHECKER D.E. ET AL: "EXPLOSIVE FORMING OF METALS", DMIC REPORT 203, 8 May 1964 (1964-05-08), pages 11, XP055798898
  • GHIZDAVU VICTOR ET AL: "Explosive forming - economical technology for aerospace structures", INCAS BULLETIN, vol. 2, no. 4, 1 January 2010 (2010-01-01), Bucharest, pages 107 - 117, XP055798903, ISSN: 2247-4528, DOI: 10.13111/2066-8201.2010.2.4.15

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 3406750 A1 20181128; EP 3406750 B1 20230405; CN 109234650 A 20190118; CN 109234650 B 20210806

DOCDB simple family (application)

EP 18173837 A 20180523; CN 201810485227 A 20180518