Patent · US Expired

Container for liquid to be ejected

US6145972A · kind A · utility

39Cited by
5References
70Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 1997
Grant dateNov 14, 2000
Priority date
Expiry dateNov 17, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/17553
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A container for containing liquid to be ejected. The container includes a negative pressure producing member accommodating chamber for accommodating a negative pressure producing member. The negative pressure producing member accommodating chamber is provided with an air vent for fluid communication with ambience and a liquid supply portion for supplying the liquid to a liquid ejecting head having ejection outlets. The container also includes a liquid containing chamber which is substantially hermetically sealed except for a fluid communication path through which the liquid containing chamber is in fluid communication with the negative pressure producing member accommodating chamber. A partition is provided for separating the negative pressure producing member accommodating chamber and the liquid containing chamber. The partition is provided with an ambience introduction path for introducing the ambience into the liquid containing chamber from the negative pressure producing member accommodating chamber. The ambience introduction path forms a capillary force generating portion. The capillary force which is produced by the capillary force generating portion satisfies a relationship …

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