Title:
INK BLADDER FOR INK CARTRIDGE
Document Type and Number:
Japanese Patent JPH04232756
Kind Code:
A
Abstract:
PURPOSE: To prevent undesired increase in back pressure within a resilient ink bladder for storing ink of ink jet printing when the bladder gradually collapses inwardly.
CONSTITUTION: The ink bladder 70 is designed such that the side wall thickness is different between first position 84 and second opposite position 86 and varies gradually from first position toward the second position. When the bladder collapses due to decrease of inner ink, back pressure is regulated.
Inventors:
JIYON BII DAN
DAGURASU JIEI URUMAA
ERUUTSUDO ETSUCHI BAAROU
GUREGORII PII MAATEN
DAGURASU JIEI URUMAA
ERUUTSUDO ETSUCHI BAAROU
GUREGORII PII MAATEN
Application Number:
JP18297191A
Publication Date:
August 21, 1992
Filing Date:
June 27, 1991
Export Citation:
Assignee:
HEWLETT PACKARD CO
International Classes:
B41J2/175; (IPC1-7): B41J2/175
Attorney, Agent or Firm:
Hideo Ueno