Ink jet writing apparatus having a nozzle moistening device
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsKiyoshi Yamamori, Yasutaka Hiromori, Akira Mizoguchi
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Abstract
In order to prevent clogging of the nozzle of an ink jet writing head, a nozzle moistening device is provided which includes an elastic enclosure fluid-tightly engageable with the front face of the writing head when not in use, a source of water, and a capillary tube for transmitting water from the source to the enclosure by capillary action to permit evaporation of water in the enclosure to moisten the nozzle.
Claims12
An ink jet writing apparatus comprising:
- an ink jet writing head having a nozzle from which ink issues in use;
- an elastic enclosure engageable with a front face of said writing head to define a fluid-tight chamber enclosing the opening of said nozzle;
- a source of ink diluting fluid;
- a conduit member connected between said fluid source and said elastic enclosure, said member including therein a capillary member for transmitting said fluid from said source to said enclosure by capillary action to permit evaporation of said fluid in said chamber;
- and
- means for producing sealing contact between said writing head and said enclosure to create said fluid-tight chamber when said writing head is not in use.
An ink jet writing apparatus as claimed in any one of the preceding claims, wherein said capillary member comprises a bundle of glass fibers.
Dependencies are inferred from the claim text.