Ink jet recording head

Details Ink jet recording head Ink jet recording head

2005-12-20

2005-12-20

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S087000

Reexamination Certificate

active

06976754

ABSTRACT:
The present invention provides an ink jet recording head in which a buffer chamber connected to a liquid supply path can be cleaned effectively. The ink jet recording head includes a recording head unit having a discharge portion for discharging ink, a tank holder unit to which an ink tank for containing the ink to be discharged at the recording head unit, and a liquid supply path formed between the tank holder unit and a flow path forming member joined to the tank holder unit in order to supply the ink contained in the ink tank to the recording head unit. A buffer chamber containing gas is connected to the liquid supply path and the buffer chamber is provided with an opening portion. The opening portion is closed by joining the recording head unit to the tank holder unit by joining the recording head unit to the flow path forming member.

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