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1. (WO2018199885) CLOSURE DEVICES

Pub. No.:    WO/2018/199885    International Application No.:    PCT/US2017/029104
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Tue Apr 25 01:59:59 CEST 2017
IPC: B41J 2/175
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventors: MURPHY, Bryan
PHOONG, SeeMun
ENRIGHT, John
MANNION, James
Title: CLOSURE DEVICES
Abstract:
In an example, there is provided a closure device. The closure device comprises an air-permeable and ink-impermeable membrane to prevent ink egress from a refillable ink tank of a printer. The membrane has an ink tank side and an air side. The closure device also comprises a tortuous air flow path connecting the air side of the membrane to an exterior of the ink tank.