Ink cartridge and expansible bladder for an ink cartridge

Details Ink cartridge and expansible bladder for an ink cartridge Ink cartridge and expansible bladder for an ink cartridge

2005-04-26

2005-04-26

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

06883907

ABSTRACT:
In one embodiment an ink cartridge includes a housing defining a first fluid reservoir, and an expansible bladder defining a second fluid reservoir. The bladder is located within the first fluid reservoir, and includes opposing first and second wall members. The first wall member is fabricated from a material having a first shape-memory, and the second wall member is fabricated from a material having a second shape memory which is less than the first shape memory. In another embodiment a method of producing an expansible bladder includes providing a synthetic sheet fabricated from a material having a shape-memory, and folding the sheet in a generally “U” shape to produce first and second opposing wall members. Each wall member has two side edges and a top edge. The first and second wall members are sealed to each other along the side edges and top edges.

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