公开(公告)号：US08979244B2

公开(公告)日：2015-03-17

申请号：US14070540

申请日：2013-11-03

Applicant: Xjet Ltd.

Inventor： Eli Kritchman ,  Hanan Gothait ,  Timofey Shmal ,  Sharon Fima

IPC: B41J2/165

CPC classification number: B41J2/16535 ,  B41J2/165 ,  B41J2/16538

Abstract: Inkjet head cleaning and storage includes cleaning an orifice plate by inserting a tip of a shaped wiper into a slit of a printing mask, such that one or more shoulders of a handling end of the shaped wiper are in contact with respectively one or more edges of the slit. The shoulders of the shaped wiper facilitate the tip applying a predetermined pressure to an orifice surface during wiping. Preventing sediment buildup during extended periods of non-printing includes placing at least the orifice plate of the printing head in a protecting liquid that avoids evaporation of the volatile liquid from the nozzles. An innovative “night plate” can be used to seal the slit of a printing mask and ink purged from the printing head used to fill a gap between the printing head and the mask, thereby covering at least the orifice plate with the purged ink.

Abstract translation: 喷墨头清洁和储存包括通过将成形刮水器的尖端插入打印掩模的狭缝中来清洁孔板，使得成形刮水器的处理端的一个或多个肩部分别与一个或多个边缘接触 狭缝。 成形的刮水器的肩部有助于尖端在擦拭期间向孔表面施加预定的压力。 防止长时间非印刷期间的沉积物积聚包括将打印头的至少孔板放置在避免挥发性液体从喷嘴蒸发的保护液体中。 可以使用创新的“夜间板”来密封打印面具的狭缝和从用于填充打印头和面罩之间的间隙的打印头清洗的墨水，从而至少用吹扫的墨水覆盖孔板。

公开(公告)号：US20140055525A1

公开(公告)日：2014-02-27

申请号：US14070540

申请日：2013-11-03

Applicant: XJET LTD.

Inventor： Eli Kritchman ,  Hanan Gothait ,  Timofey Shmal ,  Sharon Fima

IPC: B41J2/165

CPC classification number: B41J2/16535 ,  B41J2/165 ,  B41J2/16538

Abstract: Inkjet head cleaning and storage includes cleaning an orifice plate by inserting a tip of a shaped wiper into a slit of a printing mask, such that one or more shoulders of a handling end of the shaped wiper are in contact with respectively one or more edges of the slit. The shoulders of the shaped wiper facilitate the tip applying a predetermined pressure to an orifice surface during wiping. Preventing sediment buildup during extended periods of non-printing includes placing at least the orifice plate of the printing head in a protecting liquid that avoids evaporation of the volatile liquid from the nozzles. An innovative “night plate” can be used to seal the slit of a printing mask and ink purged from the printing head used to fill a gap between the printing head and the mask, thereby covering at least the orifice plate with the purged ink

Abstract translation: 喷墨头清洁和储存包括通过将成形刮水器的尖端插入打印掩模的狭缝中来清洁孔板，使得成形刮水器的处理端的一个或多个肩部分别与一个或多个边缘接触 狭缝。 成形的刮水器的肩部有助于尖端在擦拭期间向孔表面施加预定的压力。 防止长时间非印刷期间的沉积物积聚包括将打印头的至少孔板放置在避免挥发性液体从喷嘴蒸发的保护液体中。 可以使用创新的“夜间板”来密封印刷面具的狭缝和从用于填充打印头和面罩之间的间隙的打印头清除的墨水，从而至少用吹扫的墨水覆盖孔板

公开(公告)号：US20200039263A1

公开(公告)日：2020-02-06

申请号：US16653224

申请日：2019-10-15

Applicant: XJET LTD.

Inventor： Eliahu M. Kritchman ,  Timofey Shmal

IPC: B41J29/393

Abstract: A method for evaluating performance of a plurality of nozzles of a printing head includes repeatedly operating each of the nozzles to print test marks on a surface of a substrate, each of the test marks printed by that nozzle being printed at a different time. At least once during the repeated operation of each of the nozzles, at least some of the test marks are erased from the surface. The test marks that were printed by that nozzle are inspected for a feature that is indicative of the performance of that nozzle.