(19)
(11) EP 2 238 402 A1

(12)

(43) Date of publication:
13.10.2010 Bulletin 2010/41

(21) Application number: 08705409.4

(22) Date of filing: 15.01.2008
(51) International Patent Classification (IPC): 
F41A 29/00(2006.01)
F41A 29/02(2006.01)
(86) International application number:
PCT/SG2008/000016
(87) International publication number:
WO 2009/085013 (09.07.2009 Gazette 2009/28)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 31.12.2007 SG 200719154

(71) Applicant: Cheng Kit Yew
Singapore 118860 (SG)

(72) Inventor:
  • Cheng Kit Yew
    Singapore 118860 (SG)

(74) Representative: Valkeiskangas, Tapio Lassi Paavali 
Kolster Oy Ab Iso Roobertinkatu 23 P.O. Box 148
00121 Helsinki
00121 Helsinki (FI)

   


(54) A CLEANING METHOD AND APPARATUS FOR REMOVING OIL, GREASE, CARBON, RUST AND COMBUSTION AMMUNITION RESIDUE FROM BARRELS OF ARTILLERY GUN, BATTLE TANK AND FIREARM.