(19)

(11)

EP 4 367 426 A1

(12)

(43) Date of publication: 15.05.2024 Bulletin 2024/20 (21) Application number: 22870486.2 (22) Date of filing: 18.08.2022

(51) International Patent Classification (IPC):  F16L 19/08(2006.01) F16L 19/065(2006.01) F16L 37/091(2006.01) (52) Cooperative Patent Classification (CPC): F16L 37/091 (86) International application number: PCT/US2022/040780 (87) International publication number: WO 2023/043568 (23.03.2023 Gazette 2023/12)

(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: 15.09.2021 US 202117475425 (71) Applicant: Mueller International, LLC Atlanta, GA 30328 (US)	(72) Inventor: LARSON, Ryan Fairchild Decatur, Illinois 62521 (US) (74) Representative: Page White Farrer  Bedford House 21a John Street London WC1N 2BF London WC1N 2BF (GB)