(19)
(11) EP 3 542 001 A1

(12)

(43) Date of publication:
25.09.2019 Bulletin 2019/39

(21) Application number: 17872546.1

(22) Date of filing: 15.11.2017
(51) International Patent Classification (IPC): 
E03C 1/12(2006.01)
F16K 17/02(2006.01)
E03C 1/28(2006.01)
(86) International application number:
PCT/SE2017/051134
(87) International publication number:
WO 2018/093321 (24.05.2018 Gazette 2018/21)
(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: 15.11.2016 SE 1600325
23.01.2017 SE 1750054

(71) Applicant: Aktiebolaget Durgo
169 03 Solna (SE)

(72) Inventor:
  • HANSSON, Hans Oliver
    177 61 Järfälla (SE)

(74) Representative: Zacco Sweden AB 
P.O. Box 5581
114 85 Stockholm
114 85 Stockholm (SE)

   


(54) WASTE WATER PIPING SYSTEM AND AN AIR VALVE