JPH03124841U - - Google Patents
Info
- Publication number
- JPH03124841U JPH03124841U JP3339190U JP3339190U JPH03124841U JP H03124841 U JPH03124841 U JP H03124841U JP 3339190 U JP3339190 U JP 3339190U JP 3339190 U JP3339190 U JP 3339190U JP H03124841 U JPH03124841 U JP H03124841U
- Authority
- JP
- Japan
- Prior art keywords
- ink
- supply port
- hot melt
- filter
- filter housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 claims 3
Description
第１図は本考案の一実施例の側面断面図、第２
図は第１図の−矢示断面図でフイルタハウジ
ングのみを示してあり、第３図は従来例の側面断
面図である。
２……プリンタヘツド、４……インクリザーバ
、６……フイルタユニツト、８……インクノズル
体、１４……インク、１６……フイルタハウジン
グ、１６ａ……上壁面、２０……底部フイルタ、
２１，２１ａ，２１ｂ……インク室、２２……イ
ンク供給口、２４……インク液面、２６……突出
部、２８……空間、３０……空気通路、３４……
上部フイルタ、３６……堰部、４８……エアバブ
ル。
Fig. 1 is a side sectional view of one embodiment of the present invention;
The figure is a sectional view taken along the - arrow in FIG. 1, showing only the filter housing, and FIG. 3 is a side sectional view of the conventional example. 2...Printer head, 4...Ink reservoir, 6...Filter unit, 8...Ink nozzle body, 14...Ink, 16...Filter housing, 16a...Top wall surface, 20...Bottom filter,
21, 21a, 21b...Ink chamber, 22...Ink supply port, 24...Ink liquid level, 26...Protrusion, 28...Space, 30...Air passage, 34...
Upper filter, 36... weir section, 48... air bubble.
Claims (1)
を有するフイルタハウジングの底部開口に底部フ
イルタを設けたインクフイルタユニツトをインク
リザーバ内に収納した熱溶融インクジエツトプリ
ンタのプリンタヘツドにおいて、前記フイルタハ
ウジングに、インクリザーバ内のインク液面上に
連通する空気通路と、前記フイルタユニツトの上
壁面近傍のインク流を前記空気通路と前記インク
供給口の間において妨げる堰部と、を設けたこと
を特徴とする熱溶融インクジエツトプリンタのプ
リンタヘツド。 (2) 前記インク供給口の下方におけるフイルタ
ハウジング内のインク室を、上方に向けて狭くな
る円錐状に形成したことを特徴とする、熱溶融イ
ンクジエツトプリンタのプリンタヘツド。[Scope of Claim for Utility Model Registration] (1) A hot melt inkjet printer in which an ink filter unit, which has a bottom filter provided in the bottom opening of a filter housing having an ink supply port connected to an ink nozzle body, is housed in an ink reservoir. In the printer head, the filter housing includes an air passage that communicates with the ink liquid level in the ink reservoir, and a dam that blocks ink flow near the upper wall surface of the filter unit between the air passage and the ink supply port. A printer head for a hot melt inkjet printer, characterized in that it is provided with. (2) A printer head for a hot melt inkjet printer, characterized in that the ink chamber in the filter housing below the ink supply port is formed in a conical shape that becomes narrower toward the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3339190U JPH03124841U (en) | 1990-03-29 | 1990-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3339190U JPH03124841U (en) | 1990-03-29 | 1990-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03124841U true JPH03124841U (en) | 1991-12-18 |
Family
ID=31537007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3339190U Pending JPH03124841U (en) | 1990-03-29 | 1990-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03124841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011051154A (en) * | 2009-08-31 | 2011-03-17 | Konica Minolta Holdings Inc | Ink jet head |
| JP2011178164A (en) * | 2010-02-26 | 2011-09-15 | Palo Alto Research Center Inc | Apparatus for controlled freezing of melted solid ink in solid ink printer |
-
1990
- 1990-03-29 JP JP3339190U patent/JPH03124841U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011051154A (en) * | 2009-08-31 | 2011-03-17 | Konica Minolta Holdings Inc | Ink jet head |
| JP2011178164A (en) * | 2010-02-26 | 2011-09-15 | Palo Alto Research Center Inc | Apparatus for controlled freezing of melted solid ink in solid ink printer |
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