(19)
(11) EP 1 992 450 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.02.2009 Bulletin 2009/08

(43) Date of publication A2:
19.11.2008 Bulletin 2008/47

(21) Application number: 08425316.0

(22) Date of filing: 08.05.2008
(51) International Patent Classification (IPC): 
B24B 31/023(2006.01)
B08B 9/08(2006.01)
(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: 15.05.2007 IT CT20070011

(71) Applicant: Pappalardo, Rosario
95024 Acireale (CT) (IT)

(72) Inventor:
  • Pappalardo, Rosario
    95024 Acireale (CT) (IT)

   


(54) Cleaning-and-deoxidize machine the inside of tank by abrasion


(57) The machine is useful to clean and deoxidize by abrasion the inside of metallic containers such as: cylinder for pressure gas storing, diving tanks, fire extinguishers, fuel containers; in general solid of revolution in particular of cylindrical form.
The objective is reached by inserting some abrasive material within the cylinder hard enough to remove rust from the inner part but not damage the tank.
Through the rotation applied to the tank along his axis, the abrasive material act by hitting and scraping on the inner surface of the tank.







Search report