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    CLEANING APPARATUS
    2.
    发明申请
    CLEANING APPARATUS 审中-公开

    公开(公告)号：US20190126553A1

    公开(公告)日：2019-05-02

    申请号：US16095656

    申请日：2016-06-30

    Applicant: Andreu OLIVER ,  Xavier ALONSO ,  Marc NICOLAU ,  Ismael CHANCLON ,  HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Andreu Oliver ,  Xavier Alonso ,  Marc Nicolau ,  Ismael Chanclon

    IPC: B29C64/35 ,  B08B1/04 ,  B08B5/04 ,  B33Y40/00

    Abstract: A build material cleaning structure (150) for use in an additive manufacturing system. The build material cleaning structure comprises: a tubular portion defining a channel to pneumatically transport a build material; a rotatable head portion located at least in part within the tubular portion and comprising a cleaning element (152) extending away from an open end of the tubular portion; and a rotor assembly located within the tubular portion and mechanically coupled to the rotatable head portion to generate a torque to drive the rotatable head portion in a rotary motion in response to an airflow in the channel; wherein the rotatable head portion is rotatable in a plane that is substantively orthogonal to the airflow in the channel.

    OUTLET STRUCTURE
    4.
    发明申请
    OUTLET STRUCTURE 审中-公开

    公开(公告)号：US20190091925A1

    公开(公告)日：2019-03-28

    申请号：US16081841

    申请日：2016-05-12

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Andreu Oliver ,  Ismael Chanclon ,  Mireia Aleu ,  Marc Nicolau ,  Marc Morros

    IPC: B29C64/209 ,  B33Y30/00

    Abstract: A build material nozzle structure (202) comprises: an interface surface (208) to interface with a build material container outlet structure (100); and a retaining structure (210) to releasably hold the build material container outlet structure in an engagement position with the interface surface of the build material nozzle structure; wherein the retaining structure comprises one or more retaining elements (210-1, 210-2, 210-3) disposed in the build material nozzle structure to exert an attractive magnetic biasing force on the build material outlet structure to releasably hold the build material container outlet structure in the engagement position with the interface surface of the build material nozzle structure.

    SHEET MEDIA PROCESSING MACHINES WITH RE-FEED PREVENTION ELEMENTS
    8.
    发明申请
    SHEET MEDIA PROCESSING MACHINES WITH RE-FEED PREVENTION ELEMENTS 审中-公开

    公开(公告)号：US20200239246A1

    公开(公告)日：2020-07-30

    申请号：US15760557

    申请日：2016-01-21

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Oscar Moya Rojo ,  Javier Onecha ,  Andreu Oliver ,  Dorkaitz Alain Vazquez ,  Nuria Fabregat ,  Felix Ruiz Martinez

    IPC: B65H1/04 ,  B65H29/52

    Abstract: There is disclosed a sheet media processing machine comprising a media inlet to receive sheet media along a feed direction from a first side of the machine and a media outlet to discharge sheet media along a discharge direction towards the first side of the machine. There is a feed mechanism to convey sheet media from the media inlet to the media outlet, and a re-feed prevention element disposed upstream of the media inlet with respect to the feed direction to inhibit recirculation of discharged sheet media along an external recirculation path between the media outlet and the media inlet. The re-feed prevention element is exposed to contact with sheet media and comprises an elastomer. There is also disclosed a feed guide comprising a re-feed prevention element, and a method in which such a feed guide is installed on a sheet media processing machine.

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