Web pick-up arrangement for paper making machines
    2.
    发明授权
    Web pick-up arrangement for paper making machines 失效
    纸张制作机器的网络拾取布置

    公开(公告)号:US3598697A

    公开(公告)日:1971-08-10

    申请号:US3598697D

    申请日:1969-03-06

    Applicant: BELOIT CORP

    CPC classification number: D21F2/00

    Abstract: WEB PICK-UP ARRANGEMENT FOR FOURDRINIER TYPE PAPER MAKING MACHINE, PARTICULARLY ADAPTED TO PICK-UP NEWLY FORMED HEAVY WEIGHT WEBS FROM THE FORMING WIRE AND TO TRANSFEWR THE WEBS DIRECTLY TO THE PRESS FELT WITHOUT THE USE OF A PICK-UP FELT OR FABRIC. THE PICK-UP INCLUDES A PICK-UP ROLL, WHICH MAYH BE A PLAIN SURFACED ROLL AND HAS NIP PRESSURE COOPERATION WITH WIRE AS THE WIRE PASSES ABOUT A RETURN ROLL INTO ITS RETURN RUN FOR CLEANING. THE PRESS FELT IS MAINTAINED IN PRESSURE COOPERATION WITH THE PICK-UP ROLL BY A TRANSFER DEVICE ABOUT WHICH THE PRESS TURNS TO ITS UPWARDLY FACING PRESS RUN. THE TRANSFER DEVICE INCLUDES AN IDLER ROLL DISPOSED BENEATH AND REARWARDLY OF THE PICK-UP ROLL AND A SUCTION ROLL OR SUCTION BOX DISPOSED ON THE UNDERSIDE OF THE PRESS FELT EITHER AT THE POINT OF NIP ENGAGEMENT OF THE PRESS FELT TO THE PICK-UP ROLL OR ON THE OUTGOING SIDE OF THE PICK-UP ROLL.

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