(19)

(11)

EP 3 303 971 A1

(12)

(43) Date of publication: 11.04.2018 Bulletin 2018/15 (21) Application number: 16727821.7 (22) Date of filing: 03.06.2016

(51) International Patent Classification (IPC):  F28G 9/00(2006.01) F24D 19/00(2006.01) (86) International application number: PCT/GB2016/051656 (87) International publication number: WO 2016/193760 (08.12.2016 Gazette 2016/49)

(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 Designated Validation States: MA MD (30) Priority: 03.06.2015 GB 201509609 (71) Applicant: Paddison, William Henley-on-Thames, Oxfordshire RG9 4EJ (GB)	(72) Inventor: Paddison, William Henley-on-Thames, Oxfordshire RG9 4EJ (GB) (74) Representative: Icely, Dominic Michael  The IP Asset Partnership Limited Prama House 267 Banbury Road Oxford OX2 7HT Oxford OX2 7HT (GB)