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    PRINTERS
    1.
    发明申请
    PRINTERS 审中-公开

    公开(公告)号：WO2020185227A1

    公开(公告)日：2020-09-17

    申请号：PCT/US2019/022123

    申请日：2019-03-13

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： MONCLUS VELASCO, Antonio ,  GUERRERO CARVAJAL, Francisco ,  LOPEZ UBIETO, Diego ,  BORREGO LEBRATO, Alberto

    IPC分类号： B41J15/04

    摘要： Example implementations relate to printers for printing a printing liquid on a medium, the printer having a media path for the medium; the media path comprising a print platen for receiving the medium from an input media carrier and for outputting the medium to an output media carrier; the media path also comprising a spread roller disposed between the print platen and the output media roller, and the print platen having an associated arcuate surface for orientating the medium towards the spread roller.

    AEROSOL MANAGEMENT SYSTEMS
    2.
    发明申请
    AEROSOL MANAGEMENT SYSTEMS 审中-公开

    公开(公告)号：WO2021010983A1

    公开(公告)日：2021-01-21

    申请号：PCT/US2019/041932

    申请日：2019-07-16

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： DEOCON MIR, Javier ,  GUERRERO CARVAJAL, Francisco ,  LOPEZ UBIETO, Diego

    IPC分类号： B41J29/377

    摘要： Disclosed herein is a device, a printing device and a method of operating a printing device. The device comprises an air flow path extending from an intake to an outlet. The intake is to be mounted in a printing device and comprises a proximal intake segment and a distal intake segment along the air flow path. A proximal air flow path from the proximal intake segment to the outlet is shorter than a distal air flow path from the distal intake segment to the outlet. Each of the proximal and distal intake segments comprises a wall segment with at least one hole. An opening ratio of an area of the at least one hole and an area of the respective wall segment is larger in the distal intake segment than in the proximal intake segment.

    PRINTING APPARATUSES COMPRISING A BOTTOM FACE TO TRANSFER HEAT
    5.
    发明申请
    PRINTING APPARATUSES COMPRISING A BOTTOM FACE TO TRANSFER HEAT 审中-公开

    公开(公告)号：WO2021230885A1

    公开(公告)日：2021-11-18

    申请号：PCT/US2020/033253

    申请日：2020-05-15

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： MONCLUS VELASCO, Antonio ,  GUERRERO CARVAJAL, Francisco ,  LOPEZ UBIETO, Diego

    IPC分类号： B41F23/04 ,  B41L23/20 ,  B41M5/035 ,  B41M7/00

    摘要： This printing apparatus includes a print zone to receive a media and in which an amount of ink is laid down on the media, a bottom face and a top cover, the bottom face and the top cover delimiting a downstream space inside which pass through the media after it has passed through the print zone, the bottom face being to transfer heat by conduction to the media coming across the downstream space, the printing apparatus comprising an extraction part including a primary path to collect a first flow containing air from the print zone and to evacuate said first flow, a secondary path to collect a second flow containing vapors from the downstream space, and a junction to implement a fluid communication between the primary path and the secondary path.

    PRINTHEAD AND PRINTHEAD MAINTENANCE
    6.
    发明申请
    PRINTHEAD AND PRINTHEAD MAINTENANCE 审中-公开

    公开(公告)号：WO2019221690A1

    公开(公告)日：2019-11-21

    申请号：PCT/US2018/032496

    申请日：2018-05-14

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： QIAN, Li ,  BAUTISTA PALACIOS, Marc ,  GUERRERO CARVAJAL, Francisco

    IPC分类号： B41J2/165 ,  B41J2/14

    摘要： Printing liquid is spat from ai least one printhead nozzle onto a printing medium in a spitting zone when the printhead traverses the spitting zone during printing. The spitting zone is an area of the printing medium located at least partially in a second half of the printing medium in the direction of printhead travel, and wherein a centre point of the spitting zone is located in the second half of the printing medium in the direction of printhead travel.

    MEDIA ROLL SLIPPAGE DETERMINATION
    7.
    发明申请
    MEDIA ROLL SLIPPAGE DETERMINATION 审中-公开

    公开(公告)号：WO2021061137A1

    公开(公告)日：2021-04-01

    申请号：PCT/US2019/053271

    申请日：2019-09-26

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： ESTELLA AGUERRI, Albert ,  MUNOZ NAVARRO, David ,  GUERRERO CARVAJAL, Francisco

    IPC分类号： B41J15/04 ,  B65H23/025

    摘要： A system is disclosed. The system comprises a roller with a spindle to wind and/or unwind a roll of media, a media advancement sensor to measure the advancement of the media, and a controller. The controller is to control the spindle to rotate an angular displacement, and to determine a calculated media advancement based on the angular displacement and a radius of the roll of media. The controller is also to receive from the media advancement sensor a measured media advancement. The controller is further to detect that a displacement difference between the measured media advancement and the determined media advancement exceeds a predetermined threshold. If the displacement difference exceeds the predetermined threshold a slippage condition is detected.

    PRINT HEAD SERVICING
    9.
    发明申请
    PRINT HEAD SERVICING 审中-公开

    公开(公告)号：WO2019221714A1

    公开(公告)日：2019-11-21

    申请号：PCT/US2018/032802

    申请日：2018-05-15

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： QIAN, Li ,  GUERRERO CARVAJAL, Francisco

    IPC分类号： B41J2/165

    摘要： A method comprising: soaking a portion of a web in a printing device with printing liquid from a first print head (110) of the printing device; and wiping at least one nozzle of a second print head (120) in the printing device with the soaked portion of the web. The method provides a servicing method for print heads in the printing device.