Search International and National Patent Collections

1. (WO2018199881) FLUID CONTAINERS

Pub. No.:    WO/2018/199881    International Application No.:    PCT/US2017/029084
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: CAHILL, Eugene
CRONLY, Brian
O'BEIRNE, Cormac
WALSH, Brian
MANNION, James
Title: FLUID CONTAINERS
Abstract:
There is disclosed a fluid container (100) usable with print apparatus comprising a regulated chamber (120) to contain a print fluid; a regulator unit (122) and an actuator (124) disposed within the regulated chamber (120), wherein the regulator unit (122) is to move between a plurality of extension states to drive the actuator (124); and a gas control valve comprising a flexible diaphragm (150) extending over an opening (132) in a wall (130) of the regulated chamber to separate the print fluid from a gas flow pathway (50) through the opening (132); wherein the regulator unit (122) is to drive the actuator (124) to deform the flexible diaphragm (150) between an open configuration in which the gas flow pathway (50) is open and a dosed configuration in which the diaphragm 150 seals against the opening (132) to dose the gas flow pathway; and wherein there is an interference fit between cooperating formations of the flexible diaphragm (150) and the wail (130) of the regulated chamber (120) to retain the flexible diaphragm (150) and maintain a seal therebetween to prevent migration of gas into the regulated chamber (120).