Patent · US Expired

LIQUID CONTAINER, METHOD OF MANUFACTURING THE CONTAINER, PACKAGE OF THE CONTAINER, INK JET HEAD CARTRIDGE IN WHICH THE CONTAINER AND A RECORDING HEAD ARE MADE INTEGRAL WITH EACH OTHER, AND LIQUID DISCHARGE RECORDING APPARATUS

US6758557B2 · kind B2 · utility

3Cited by
12References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2002
Grant dateJul 6, 2004
Priority date
Expiry dateSep 24, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/17556
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A liquid container having a negative pressure generating member containing chamber containing therein a negative pressure generating member formed of a fiber material and provided with a liquid supplying portion and an atmosphere communicating portion, a liquid containing chamber provided with a communicating portion communicating with the negative pressure generating member containing chamber and forming a substantially hermetically sealed space and storing therein liquid to be supplied to the negative pressure generating member, and a partition wall for partitioning the negative pressure generating member containing chamber and the liquid containing chamber and forming the communicating portion is provided with gas introduction blocking means cooperating with the partition wall and the liquid contained in the negative pressure generating member containing chamber to block the introduction of gas from the communicating portion into the liquid containing chamber except during the supply of the liquid from the liquid supplying portion to the outside.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.