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EP 3 585 532 A1

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(43) Date of publication: 01.01.2020 Bulletin 2020/01 (21) Application number: 18760610.8 (22) Date of filing: 20.02.2018

(51) International Patent Classification (IPC):  B21D 28/00(2006.01) C22C 38/54(2006.01) C22C 38/16(2006.01) C22C 38/20(2006.01) C22C 38/02(2006.01) C22C 38/42(2006.01) C22C 38/08(2006.01) C22C 38/04(2006.01) C22C 38/32(2006.01) (86) International application number: PCT/US2018/018751 (87) International publication number: WO 2018/160387 (07.09.2018 Gazette 2018/36)

(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 TN (30) Priority: 21.02.2017 US 201715438313 (71) Applicant: The Nanosteel Company, Inc. Providence, RI 02903 (US)

(72) Inventors: BRANAGAN, Daniel James Idaho Falls, Idaho 83406 (US) FRERICHS, Andrew E. Idaho Falls, Idaho 83401 (US) MEACHAM, Brian E. Idaho Falls, Idaho 83402 (US) JUSTICE, Grant G. Idaho Falls, Idaho 83401 (US) BALL, Andrew T. Reno, Nevada 89509 (US) WALLESER, Jason K. Idaho Falls, Idaho 83404 (US) CLARK, Kurtis R. Idaho Falls, Idaho 83404 (US) TEW, Logan J. Idaho Falls, Idaho 83402 (US) ANDERSON, Scott T. Idaho Falls, Idaho 83404 (US) LARISH, Scott T. Idaho Falls, Idaho 83406 (US) CHENG, Sheng Idaho Falls, Idaho 83401 (US) GIDDENS, Taylor L. Idaho Falls, Idaho 83401 (US) SERGUEEVA, Alla V. Idaho Falls, Idaho 83404 (US) (74) Representative: Richly & Ritschel Patentanwälte PartG mbB  Sattlerweg 20 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)