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1. 发明公开

EP0855276A2 Method of removing air bubbles from ink supply passage in ink jet recording apparatus and ink jet recording apparatus capable of employing said method 失效
标题翻译：一种用于在喷墨记录设备和喷墨记录设备的一个通道除去气泡为使用这种方法的方法
公开(公告)号：EP0855276A2
公开(公告)日：1998-07-29
申请号：EP98101218.0
申请日：1998-01-23
申请人： SEIKO EPSON CORPORATION
发明人： Usui, Minori
IPC分类号： B41J2/19
CPC分类号： B41J2/19
摘要： An air-communicated opening (8a) of an ink cartridge (8) connected to an ink jet recording head (7) is sealed to apply negative pressure from the suction means (11) to the recording head (7) through a capping unit (10). Ink is forcibly discharged from the recording head (7) until the internal pressure of the ink cartridge (8) is brought into a condition of equilibrium with the sucking pressure of the suction means (11). Thus, air bubbles are discharged to the outside by force of the flow of ink. Then, the pressure of the ink in the ink cartridge (8) is reduced to the sucking pressure to raise the degree of deaeration of the ink.
摘要翻译：的墨盒的（一种空气连通开口（8a）的8），其连接（将在喷墨记录头（7）被密封到（7）通过一个封端单元从抽吸装置（11）向记录头施加负压 10）。油墨被强制地从记录头（7）放电，直到墨盒的内部压力（8）被带入与所述抽吸装置（11）的吸入压力平衡的条件。因此，气泡被墨水的流动的力向外部排出。然后，在墨盒（8）的墨水的压力降低到抽吸压力，以提高油墨的脱气程度。

2. 发明公开

EP0516188A1 Drop-on-demand ink-jet printing head 失效
标题翻译： Auf Abruf arbeitender Tintenstrahldruckkopf。
公开(公告)号：EP0516188A1
公开(公告)日：1992-12-02
申请号：EP92112945.8
申请日：1991-02-25
申请人： SEIKO EPSON CORPORATION
发明人： Usui, Minori , Koto, Haruhiko , Nakamura, Haruo , Shimada, Yozo , Abe, Tomoaki
IPC分类号： B41J2/045 , B41J2/14
CPC分类号： B41J2/1623 , B41J2/14274 , B41J2/14282 , B41J2/161 , B41J2/1612 , B41J2/1614 , B41J2/1626 , B41J2/1632 , B41J2002/14387
摘要： A drop-on-demand ink-jet printing head provided with an array of a plurality of piezoelectric elements (12,12') arranged at regular intervals and fixed at their one ends to a base (2), the other ends of the respective piezoelectric elements being free ends which are disposed in opposition to nozzle respective apertures (10,10'), the piezoelectric elements being formed by cutting, at predetermined width, a piezoelectric plate obtained by firing a lamination of paste-like piezoelectric material and conductive material stacked alternately in layers. Since each piezoelectric element is composed of a thin piezoelectric plate interposed between electrodes, if a voltage of only about 30V, which is sufficient to drive the thin piezoelectric plate, is applied across the electrodes, it is possible to largely flex the whole of the piezoelectric element. By this transformation, ink between the top end of the piezoelectric element (12,12') and the nozzle aperture (10,10') is discharged to the outside as an ink drop. Because the driving voltage required for forming an ink drop is as low, it is possible to simplify a driving circuit, and because of cutting a piezoelectric plate, it is possible to form small-sized piezoelectric elements with the same accuracy as in a process of producing a semiconductor.
摘要翻译：打印头包括基部（2）和限定喷嘴孔（10,10'）的喷嘴板（8）。一组压电元件（12,12'）的一端固定在基座（12）上，而自由端与喷嘴孔（10,10'）相对。墨水储存器（6a，6b）位于喷嘴孔（10,10'）和压电元件的自由端之间。压电元件（12,12'）通过在层中交替堆叠糊状压电材料和导电材料而形成。烧结材料的层压以提供压电板。将板切割成具有预定宽度的多个压电元件，使得垂直于层叠方向的方向与主振动方向一致。

3. 发明授权

EP0855276B1 Method of removing air bubbles from ink supply passage in ink jet recording apparatus and ink jet recording apparatus capable of employing said method 失效
标题翻译：一种用于在喷墨记录设备和喷墨记录设备的一个通道除去气泡为使用这种方法的方法
公开(公告)号：EP0855276B1
公开(公告)日：2004-05-06
申请号：EP98101218.0
申请日：1998-01-23
申请人： SEIKO EPSON CORPORATION
发明人： Usui, Minori
IPC分类号： B41J2/19
CPC分类号： B41J2/19

4. 发明公开

EP0855276A3 Method of removing air bubbles from ink supply passage in ink jet recording apparatus and ink jet recording apparatus capable of employing said method 失效
标题翻译：一种用于在喷墨记录设备和喷墨记录设备的一个通道除去气泡为使用这种方法的方法
公开(公告)号：EP0855276A3
公开(公告)日：1999-07-21
申请号：EP98101218.0
申请日：1998-01-23
申请人： SEIKO EPSON CORPORATION
发明人： Usui, Minori
IPC分类号： B41J2/19
CPC分类号： B41J2/19
摘要： An air-communicated opening (8a) of an ink cartridge (8) connected to an ink jet recording head (7) is sealed to apply negative pressure from the suction means (11) to the recording head (7) through a capping unit (10). Ink is forcibly discharged from the recording head (7) until the internal pressure of the ink cartridge (8) is brought into a condition of equilibrium with the sucking pressure of the suction means (11). Thus, air bubbles are discharged to the outside by force of the flow of ink. Then, the pressure of the ink in the ink cartridge (8) is reduced to the sucking pressure to raise the degree of deaeration of the ink.

5. 发明授权

EP0516188B1 Drop-on-demand ink-jet printing head 失效
标题翻译：落按需喷墨打印头
公开(公告)号：EP0516188B1
公开(公告)日：1996-07-10
申请号：EP92112945.8
申请日：1991-02-25
申请人： SEIKO EPSON CORPORATION
发明人： Usui, Minori , Koto, Haruhiko , Nakamura, Haruo , Shimada, Yozo , Abe, Tomoaki
IPC分类号： B41J2/045 , B41J2/14
CPC分类号： B41J2/1623 , B41J2/14274 , B41J2/14282 , B41J2/161 , B41J2/1612 , B41J2/1614 , B41J2/1626 , B41J2/1632 , B41J2002/14387

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