(19)
(11) EP 3 184 204 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.07.2017 Bulletin 2017/28

(43) Date of publication A2:
28.06.2017 Bulletin 2017/26

(21) Application number: 16202718.9

(22) Date of filing: 07.12.2016
(51) International Patent Classification (IPC): 
B22D 25/00(2006.01)
B22C 9/04(2006.01)
 B22C 7/02(2006.01)
(84) Designated Contracting States:
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 States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 07.12.2015 US 201514960744

(71) Applicant: United Technologies Corporation
Farmington, CT 06032 (US)

(72) Inventors:
  • BRENEMAN, Ryan C.
    West Hartford, CT Connecticut 06117 (US)
  • BULLIED, Steven J.
    Pomfret Center, CT Connecticut 06259 (US)
  • SCOTT, David R.
    Bristol, CT Connecticut 06010 (US)

(74) Representative: Hughes, Andrea Michelle 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) DUAL INVESTMENT SHELLED SOLID MOLD CASTING OF RETICULATED METAL FOAMS


(57) A method to manufacture reticulated metal foam via a dual investment, includes pre-investment of a precursor 20 with a diluted pre-investment ceramic plaster then applying an outer mold 82 to the encapsulated precursor as a shell-mold.







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