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(11)

EP 4 816 101 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24809425.2 (22) Date of filing: 30.10.2024

(51) International Patent Classification (IPC):  B05B 15/55(2018.01) B05B 15/58(2018.01) B05B 9/04(2006.01) B05B 15/555(2018.01) B05B 13/04(2006.01) (52) Cooperative Patent Classification (CPC): B05B 15/555; B05B 15/55; B05B 15/58; B05B 9/04; B05B 13/002; B05B 13/0433 (86) International application number: PCT/IB2024/060668 (87) International publication number: WO 2025/114788 (05.06.2025 Gazette 2025/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 30.11.2023 JP 2023203134 (71) Applicant: Ricoh Company, Ltd. Tokyo 143-8555 (JP)	(72) Inventors: WAKUMOTO, Ryotaro Tokyo 143-8555 (JP) TANAKA, Tomoya Tokyo 143-8555 (JP) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)