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(11)

EP 4 305 255 A1

(12)

(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 21799314.6 (22) Date of filing: 01.10.2021

(51) International Patent Classification (IPC):  E03C 1/05(2006.01) A47K 5/12(2006.01) E03C 1/046(2006.01) A47K 10/48(2006.01) (52) Cooperative Patent Classification (CPC): E03C 1/057; E03C 1/046; A47K 2210/00 (86) International application number: PCT/GB2021/052545 (87) International publication number: WO 2022/189763 (15.09.2022 Gazette 2022/37)

(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: KH MA MD TN (30) Priority: 10.03.2021 GB 202103337 (71) Applicant: Wallgate Limited Salisbury, Wiltshire SP2 0HB (GB)	(72) Inventors: HENDERSON, Patrick Salisbury, Wiltshire SP5 2NH (GB) GENT, Alexander Ringwood, Hampshire BH24 1TA (GB) DENBURY, Richard Bruce, Wiltshire SN9 6HU (GB) (74) Representative: Script IP Limited  Suite J, Anchor House School Close Chandlers Ford Eastleigh, Hampshire SO53 4DY Eastleigh, Hampshire SO53 4DY (GB)