Patent Number: 6,168,267

Title: Pressure controlled ink cartridge

Abstract: An ink cartridge for an ink jet printer which includes a body portion having a substantially continuous side wall perimeter extending from a substantially planar first side panel portion. A cavity for containing ink is defined by a second side panel portion, the side wall perimeter and the first side panel portion. A lung type pressure regulator is disposed within the cavity and has at least one lung frame wall disposed at an angle within the cavity with respect to a cavity side wall for promoting gas formation in the cavity.

Inventors: Komplin; Steven Robert (Lexington, KY)

Assignee: Lexmark International, Inc.

International Classification: B41J 2/175 (20060101); B41J 002/175 ()

Expiration Date: 01/02/2018