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(11)

EP 2 456 523 A1

(12)

(43) Date of publication: 30.05.2012 Bulletin 2012/22 (21) Application number: 10735080.3 (22) Date of filing: 20.07.2010

(51) International Patent Classification (IPC):  A62C 2/12(2006.01) F24F 13/14(2006.01) A62C 2/24(2006.01) (86) International application number: PCT/GB2010/051186 (87) International publication number: WO 2011/010140 (27.01.2011 Gazette 2011/04)

(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 SE SI SK SM TR (30) Priority: 21.07.2009 GB 0912644 (71) Applicant: Apreco Limited Bromyard, Hertfordshire HR7 4FL (GB)	(72) Inventor: GATLEY, Richard Hertfordshire HR7 4FL (GB) (74) Representative: Dodd, Graham Marshall  Forresters Skygarden Erika-Mann-Strasse 11 80636 München 80636 München (DE)