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(11)

EP 2 961 889 A2

(12)

(88) Date of publication A3: 06.11.2014 (43) Date of publication: 06.01.2016 Bulletin 2016/01 (21) Application number: 14757369.5 (22) Date of filing: 03.03.2014

(51) International Patent Classification (IPC):  E01F 13/12(2006.01) E01F 15/00(2006.01) E01F 13/00(2006.01) (86) International application number: PCT/US2014/019923 (87) International publication number: WO 2014/134605 (04.09.2014 Gazette 2014/36)

(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 (30) Priority: 01.03.2013 US 201361771773 P (71) Applicant: Pacific Scientific Energetic Materials Company Chandler, AZ 85226 (US)

(72) Inventors: CASTRO, Mynor, J. Chandler, AZ 85249-3775 (US) MCCOY, Robert, Arthur Phoenix, AZ 85044 (US) ROSNER, Brian, D. Phoenix, AZ 85044 (US) BARNHILL, Patrick, J. Phoenix, AZ 85041 (US) SPENDLOVE, Gregg, D. Ogden, UT 84414 (US) SPOMER, Edwin, Allen Peoria, AZ 85381 (US) MARTINEZ, Martin, A. Prescott, AZ 86303 (US) (74) Representative: Lunt, Mark George Francis  HGF Limited Fountain Precinct Balm Green Sheffield S1 2JA Sheffield S1 2JA (GB)