Patents Assigned to Landa Corporation Ltd.
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Patent number: 11679615Abstract: Embodiments of the invention relate to a method of indirect printing with an aqueous ink formulation applied to the surface of the intermediate transfer member. Related apparatus, systems and treatment formulations are disclosed herein.Type: GrantFiled: December 7, 2018Date of Patent: June 20, 2023Assignee: LANDA CORPORATION LTD.Inventors: Benzion Landa, Moshe Levanon, Sagi Abramovich, Helena Chechik, On Mero, Einat Tirosh, Ifaa Terem Kolodkin, Tatiana Kurtser
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Patent number: 11660856Abstract: A printing system comprises an intermediate transfer member (ITM), an image forming station, a conveyer for driving rotation of the ITM, and a treatment station disposed downstream of the impression station and upstream of the image forming station configured for coating the ITM surface with a layer of a liquid treatment formulation, the treatment station comprising an applicator for applying the liquid treatment formulation to the ITM, a coating thickness-regulation assembly comprising a plurality of blades, a blade-replacement mechanism, and a blade-replacement controller for controlling the blade-replacement mechanism.Type: GrantFiled: January 25, 2022Date of Patent: May 30, 2023Assignee: LANDA CORPORATION LTD.Inventors: Uriel Pomerantz, Vitaly Burkatovsky
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Patent number: 11660857Abstract: An indirect printing system is disclosed having an intermediate transfer member (ITM) in the form of an endless belt that circulates during operation to transport ink images from an image forming station. Ink images are deposited on an outer surface of the ITM by one or a plurality of print bars. At an impression station, the ink images are transferred from the outer surface of the ITM onto a printing substrate. In some embodiments, the outer surface of the ITM 20 is maintained within the image forming station at a predetermined distance from the one or each of the print bars 10, 12, 14 and 16 by means of a plurality of support rollers 11, 13, 15, 17 that have a common flat tangential plane and contact the inner surface of the ITM.Type: GrantFiled: December 15, 2021Date of Patent: May 30, 2023Assignee: LANDA CORPORATION LTD.Inventors: Benzion Landa, Aharon Shmaiser, Alon Siman-Tov, Alon Levy
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Patent number: 11655382Abstract: Ink formulations suitable for deposition upon the intermediate transfer member of an indirect printing system and for transfer therefrom to a substrate. The inks are aqueous inkjet inks comprising an organic polymeric resin and a colorant. Ink film constructions including a plurality of continuous ink films fixedly adhered to the printing substrate that can be obtained with these inks are also disclosed. The inks and the printed constructions are such that the ink films and the dried inks composing them have a first dynamic viscosity within a range of 106 cP to 5·107 cP at at least a first temperature within a first range of 60° C. to 87.5° C., and a second dynamic viscosity of at least 6·107 cP, for at least a second temperature within a second range of 50° C. to 55° C.Type: GrantFiled: July 6, 2020Date of Patent: May 23, 2023Assignee: LANDA CORPORATION LTD.Inventors: Benzion Landa, Gregory Nakhmanovich, Galia Golodetz, Sagi Abramovich
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Patent number: 11648772Abstract: A digital printing system includes a print head and a processor. The print head is configured to jet droplets of ink. The a processor is further configured to translate a required shade of a color, to be printed at a given location on a substrate by the print head, into a sequence of pulses, the sequence including: (a) up to a predefined maximum number of driving pulses that cause the print head to jet respective droplets, and (b) a tickling pulse, which has a smaller amplitude than the driving pulses and which causes the print head to jet a droplet smaller than the droplets jetted in response to the driving pulses. The processor is additionally configured to apply the sequence of pulses to the print head.Type: GrantFiled: March 29, 2022Date of Patent: May 16, 2023Assignee: LANDA CORPORATION LTD.Inventors: Haggai Karlinski, Yishai Castel
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Patent number: 11630618Abstract: A method for correcting an error in image printing, the method includes receiving a reference digital image (RDI). Based on a predefined selection criterion, one or more regions in the RDI that are suitable for use as anchor features for sensing the error, are automatically selected. A digital image (DI) acquired from a printed image of the RDI, is received and the one or more regions are automatically identified in the DI. Based on the anchor features of the DI, the error is automatically estimated in the printed image. A correction that, when applied to the DI, compensates for the estimated error, is calculated. The estimated error is corrected in a subsequent digital image (SDI) to be printed, and the SDI having the corrected error, is printed.Type: GrantFiled: March 1, 2022Date of Patent: April 18, 2023Assignee: LANDA CORPORATION LTD.Inventor: Boris Levant
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Patent number: 11628674Abstract: An intermediate transfer member (ITM) for use with a printing system, the ITM having (a) a support layer; and (b) a release layer having an ink reception surface and a second surface opposing the ink reception surface, the second surface attached to the support layer, the release layer formed of an addition-cured, hydrophobic silicone material, wherein the release surface of the release layer has relatively hydrophilic properties with respect to the addition-cured, hydrophobic silicone material.Type: GrantFiled: April 4, 2022Date of Patent: April 18, 2023Assignee: LANDA CORPORATION LTD.Inventors: Benzion Landa, Sagi Abramovich, Moshe Levanon, Helena Chechik, Tatiana Kurtser
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Patent number: 11623440Abstract: A friction reduction system for reducing friction of an intermediate transfer member (ITM) of a printing system, while the ITM is guided along the printing system by a guiding arrangement. The friction reduction system includes a fluid reservoir mounted within the printing system, a fluid depositing arrangement disposed along the ITM, and a control mechanism, adapted to control depositing of fluid, from the fluid depositing arrangement onto the guiding arrangement or onto at least a portion of the ITM. Depositing of the fluid reduces friction between the ITM and the guiding arrangement.Type: GrantFiled: March 15, 2022Date of Patent: April 11, 2023Assignee: LANDA CORPORATION LTD.Inventors: Helena Chechik, Shoham Livaderu, Matan Bar-On, Zohar Goldenstein
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Patent number: 11559982Abstract: A printing process is disclosed which comprises directing droplets of an ink onto an intermediate transfer member to form an ink image, the ink including an organic polymeric resin and a coloring agent in an aqueous carrier, and the transfer member having a hydrophobic outer surface so that each ink droplet in the ink image spreads on impinging upon the intermediate transfer member to form an ink film. The ink is dried while the ink image is being transported by the intermediate transfer member by evaporating the aqueous carrier from the ink image to leave a residue film of resin and coloring agent. The residue film is then transferred to a substrate.Type: GrantFiled: February 24, 2021Date of Patent: January 24, 2023Assignee: LANDA CORPORATION LTD.Inventors: Benzion Landa, Yehoshua Sheinman, Sagi Abramovich, Galia Golodetz, Gregory Nakhmanovich, Meir Soria
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Patent number: 11548275Abstract: Methods for printing using printing systems comprising a flexible intermediate transfer member (ITM) disposed around a plurality of guide rollers at which encoders are installed, and an image-forming station at which ink images are formed by droplet deposition by print bars onto the ITM, can include measuring a local velocity of the ITM under one of the print bars, determining a stretch factor for a portion of the ITM based on a relationship between an estimated stretched length fixed physical distance between print bars, controlling an ink deposition parameter according to the stretch factor so as to compensate for stretching of the reference portion of the ITM.Type: GrantFiled: April 4, 2021Date of Patent: January 10, 2023Assignee: LANDA CORPORATION LTD.Inventor: Vitaly Burkatovsky
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Patent number: 11511536Abstract: Printing apparatus (20) includes a continuous blanket (24) and a set of motorized rollers (31), which advance the blanket at a constant speed through an image area. One or more print bars (38) eject droplets of ink at respective locations onto the blanket in the image area. One or more monitoring rollers (42), in proximity to the locations of the print bars, contact the blanket so as to be rotated by advancement of the blanket. Each monitoring roller includes an encoder (44), which outputs a signal indicative of a rotation angle of the monitoring roller. A control unit (40) collects, during a calibration phase, the signal from the encoders over multiple rotations of the monitoring rollers and computes runout correction factors. During an operational phase, the control unit synchronizes ejection of the droplets from the print bars using the computed runout correction factors.Type: GrantFiled: November 13, 2018Date of Patent: November 29, 2022Assignee: LANDA CORPORATION LTD.Inventor: Vitaly Burkatovsky
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Patent number: 11465426Abstract: An intermediate transfer member (ITM) (210, 310, 320, 330, 400, 410, 420, 430, 500, 520, 540, 600, 700, 802) configured for receiving ink droplets to form an ink image thereon and for transferring the ink image to a target substrate (226), the TTM (210, 310, 320, 330, 400, 410, 420, 430, 500, 520, 540, 600, 700, 802) includes one or more layers (273, 277, 373, 379, 602, 604, 606, 608, 610, 704, 706, 708, 712) and one or more markers (33, 333, 335, 392, 408, 418, 428, 448, 458, 612, 710, 804, 806) integrated with at least one of the one or more layers (273, 277, 373, 379, 602, 604, 606, 608, 610, 704, 706, 708, 712) at one or more respective marking locations along the ITM (210, 310, 320, 330, 400, 410, 420, 430, 500, 520, 540, 600, 700).Type: GrantFiled: June 24, 2019Date of Patent: October 11, 2022Assignee: LANDA CORPORATION LTD.Inventors: Benzion Landa, Tomer Goral, Vitaly Burkatovsky
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Patent number: 11396190Abstract: Embodiments of the invention relate to a method of indirect printing with an aqueous ink. Related apparatus, systems and treatment formulations are disclosed herein. Some embodiments relate to an aqueous treatment formulation for use with an intermediate transfer member of a printing system. In some embodiments, the system comprises a treatment station disposed downstream of the impression station and upstream of the image forming station for forming a uniform thin layer of a liquid treatment formulation onto a surface of an intermediate transfer member (ITM) at a lower run thereof.Type: GrantFiled: January 25, 2021Date of Patent: July 26, 2022Assignee: LANDA CORPORATION LTD.Inventors: Benzion Landa, Sagi Abramovich, Moshe Levanon, Galia Golodetz, Helena Chechik, On Mero, Tatiana Kurtser, Ayal Galili, Uriel Pomerantz, Dan Avital, Jose Kuperwasser, Omer Ashkenazi
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Patent number: 11370217Abstract: An impression station of a printing system comprises a rotatable impression cylinder with an impression cylinder gap housing a plurality of grippers recessed therein. A pressure cylinder assembly comprises a pressure cylinder comprising a pressure cylinder gap and an angle portion joining a trailing edge of the pressure cylinder gap and an outer circumferential surface of the pressure cylinder. A compressible blanket is disposed around the circumference of the pressure cylinder. A margin insert is interposed between the pressure cylinder and the compressible blanket at least at the angle portion, such that a local external geometry of the pressure cylinder assembly at the angle portion is changed by the presence of the margin insert. The change in the local external geometry of the pressure cylinder assembly due to the presence of the margin insert is effective to reduce a dimension of an unprinted leading-edge margin.Type: GrantFiled: November 2, 2019Date of Patent: June 28, 2022Assignee: LANDA CORPORATION LTD.Inventors: Avshalom Lean, Ittai Wiener, Matan Bar-On
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Patent number: 11327413Abstract: An intermediate transfer member (ITM) for use with a printing system, the ITM having (a) a support layer; and (b) a release layer having an ink reception surface and a second surface opposing the ink reception surface, the second surface attached to the support layer, the release layer formed of an addition-cured, hydrophobic silicone material, wherein the release surface of the release layer has relatively hydrophilic properties with respect to the addition-cured, hydrophobic silicone material.Type: GrantFiled: November 3, 2020Date of Patent: May 10, 2022Assignee: LANDA CORPORATION LTD.Inventors: Benzion Landa, Sagi Abramovich, Moshe Levanon, Helena Chechik, Tatiana Kurtser
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Patent number: 11325377Abstract: A digital printing system (10) includes a print head (622) and a processor (20). The print head is configured to jet droplets of ink. The processor is further configured to translate a required shade of a color, to be printed at a given location on a substrate by tire print head, into a sequence of pulses (625, 630), the sequence including: (a) up to a predefined maximum number of driving pulses (625) that cause the print head to jet respective droplets, and (b) a tickling pulse (630), which has a smaller amplitude than the driving pulses and which causes the print head to jet a droplet smaller than the droplets jetted in response to the driving pulses. The processor is additionally configured to apply the sequence of pulses to the print head.Type: GrantFiled: August 14, 2019Date of Patent: May 10, 2022Assignee: LANDA CORPORATION LTD.Inventors: Haggai Karlinski, Yishai Castel
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Patent number: 11321028Abstract: a method for correcting an error in image printing, the method includes receiving a reference digital image (RDI). Based on a predefined selection criterion, one or more regions in the RDI that are suitable for use as anchor features for sensing the error, are selected. A digital image (DI) acquired from a printed image of the RDI, is received and the one or more regions are identified in the DI. Based on the anchor features of the DI, the error is estimated in the printed image. A correction that, when applied to the DI, compensates for the estimated error, is calculated. The estimated error is corrected in a subsequent digital image (SDI) to be printed, and the SDI having the corrected error, is printed.Type: GrantFiled: November 30, 2020Date of Patent: May 3, 2022Assignee: LANDA CORPORATION LTD.Inventor: Boris Levant
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Patent number: 11318734Abstract: A friction reduction system for reducing friction of an intermediate transfer member (ITM) of a printing system, while the ITM is guided along the printing system by a guiding arrangement. The friction reduction system includes a fluid reservoir mounted within the printing system, a fluid depositing arrangement disposed along the ITM, and a control mechanism, adapted to control depositing of fluid, from the fluid depositing arrangement onto the guiding arrangement or onto at least a portion of the ITM. Depositing of the fluid reduces friction between the ITM and the guiding arrangement.Type: GrantFiled: October 2, 2019Date of Patent: May 3, 2022Assignee: LANDA CORPORATION LTD.Inventors: Helena Chechik, Shoham Livaderu, Matan Bar-On, Zohar Goldenstein
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Patent number: 11298963Abstract: A printing system comprises an intermediate transfer member, an image-forming station comprising a print bar disposed over a surface of the ITM, a conveyer for driving rotation of the ITM, a detection system configured to detect foreign matter 5 transported at a detection location upstream of the image-forming station, and a response system operatively coupled to the detection system to respond to the detection of foreign matter by performing at least one collision-prevention action to prevent a potential collision between foreign matter and the print bar.Type: GrantFiled: November 25, 2018Date of Patent: April 12, 2022Assignee: LANDA CORPORATION LTD.Inventors: Aharon Shmaiser, Ido Nativ, Matan Bar-On, Zohar Goldenstein
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Patent number: D961674Type: GrantFiled: April 17, 2019Date of Patent: August 23, 2022Assignee: LANDA CORPORATION LTD.Inventor: Sergei Shmal