(19)
(11) EP 2 795 234 A1

(12)

(43) Date of publication:
29.10.2014 Bulletin 2014/44

(21) Application number: 12859085.8

(22) Date of filing: 12.12.2012
(51) International Patent Classification (IPC): 
F42B 3/26(2006.01)
F42B 3/10(2006.01)
 F42B 3/02(2006.01)
F42D 1/045(2006.01)
(86) International application number:
PCT/SE2012/051376
(87) International publication number:
WO 2013/095265 (27.06.2013 Gazette 2013/26)
(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

(30) Priority: 23.12.2011 SE 1100956

(71) Applicant: Power Tools Spräckutrustning I Herrljunga AB
524 93 Herrljunga (SE)

(72) Inventor:
  • BENGTSSON, Jan-Åke
    S-524 93 Herrljunga (SE)

(74) Representative: Johansson, Lars E. 
Hynell Patenttjänst AB P.O. Box 138
683 23 Hagfors
683 23 Hagfors (SE)

   


(54) A ROCK CRACKER ASSEMBLY, A PRIMED ROCK CRACKER CARTRIDGE, A NON-PRIMED ROCK CRACKER CARTRIDGE, AND A DETONATOR INCLUDED IN THE ASSEMBLY