(19)

(11)

EP 4 823 848 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24846768.0 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  B31F 1/00(2006.01) B31B 50/04(2017.01) B27N 5/00(2006.01) B31B 50/16(2017.01) B31B 50/74(2017.01) B31D 5/02(2017.01) B31F 1/36(2006.01) B31B 50/59(2017.01) B26F 1/18(2006.01) B31B 50/10(2017.01) B31B 50/25(2017.01) B31B 50/98(2017.01) B31F 1/08(2006.01) B31B 50/88(2017.01) (52) Cooperative Patent Classification (CPC): B31F 1/0077; B31F 1/08; B31F 1/36; B31D 5/02; B27N 5/00; B26F 1/18; B31B 50/10; B31B 50/042; B31B 50/16; B31B 50/25; B31B 50/252; B31B 50/592; B31B 50/741; B31B 50/747; B31B 50/753; B31B 50/98; B31B 50/88; B26F 1/38; B26F 2001/4481; B27N 3/04; B27N 3/007; B27N 5/02; B27N 1/00; B27N 3/18; B27N 3/203; B27N 7/005 (86) International application number: PCT/US2024/060082 (87) International publication number: WO 2025/129031 (19.06.2025 Gazette 2025/25)

(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: 14.12.2023 US 202363609922 P (71) Applicant: Footprint International, LLC Scottsdale AZ 85254 (US)	(72) Inventors: CHUNG, Yoke Scottsdale, Arizona 85254 (US) ZHANG, Yiyun Scottsdale, Arizona 85254 (US) FRANCE, David Scottsdale, Arizona 85254 (US) BIGGS, Todd Scottsdale, Arizona 85254 (US) ROACH, Steven Scottsdale, Arizona 85254 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)