(19)

(11)

EP 2 892 803 A1

(12)

(43) Date of publication: 15.07.2015 Bulletin 2015/29 (21) Application number: 13733030.4 (22) Date of filing: 06.06.2013

(51) International Patent Classification (IPC):  B64C 27/20(2006.01) B64C 39/02(2006.01) (86) International application number: PCT/GB2013/051489 (87) International publication number: WO 2014/195660 (11.12.2014 Gazette 2014/50)

(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 (71) Applicant: CVR Limited Cheltenham Gloucestershire GL50 1HX (GB)	(72) Inventor: RANWELL, Charl Little Rissington Gloucestershire GL54 2PJ (GB) (74) Representative: Butler, Kathryn Louise  Astrum ElementOne Ltd Fairfax Street Bristol BS1 3BN Bristol BS1 3BN (GB)