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公开(公告)号：BRPI0607799A2
公开(公告)日：2009-06-13
申请号：BRPI0607799
申请日：2006-02-13
Applicant: KADANT WEB SYSTEMS INC
Inventor： ROTHERHAM JOHN
IPC: D21G3/00
Abstract: A doctoring apparatus for doctoring a roll surface comprises a doctor blade, a blade holder for applying the doctor blade to the roll surface, and a doctor back having a support surface on which the blade holder is adapted to slide. A locking bar is subdivided into multiple mechanically interlocked segments and is mounted by fasteners on the support surface of the doctor back for movement lengthwise in opposite directions between locked and unlocked positions. The locking bar is configured and dimensioned to fit loosely within a groove on the underside of the blade holder. In its unlocked position, the locking bar permits the blade holder to slide on the doctor back support surface into and out of an operative position adjacent to the roll surface. In its locked position, the locking bar releasably secures the blade holder in its operative position.
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公开(公告)号：BRPI0512076A
公开(公告)日：2008-02-06
申请号：BRPI0512076
申请日：2005-06-09
Applicant: KADANT WEB SYSTEMS INC
Inventor： DRAPER MICHAEL , JAMES JR JOHN
IPC: D21G3/00
Abstract: A planar element for use in a papermaking machine comprising a synthetic construction incorporating nanoparticles in a polymeric resin matrix.
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公开(公告)号：DE60218647T2
公开(公告)日：2007-11-29
申请号：DE60218647
申请日：2002-04-09
Applicant: KADANT WEB SYSTEMS INC
Inventor： BRAUNS ALLEN J , REID ROBERT A , GOODNOW RONALD F
IPC: D21G3/00
Abstract: In a paper machine having a roll rotating about an axis extending in a cross machine direction, and having a doctor blade applied to the roll surface by a blade holder parallel to the axis and carried on a doctor back, an apparatus is provided for accommodating relative movement between the blade holder and the doctor back in the cross machine direction during mounting and removal of the blade holder. The apparatus comprises a rail fixed to the doctor back and extending longitudinally in the cross machine direction. A groove extends along the length of the guide rail. The groove has a bottom, a width measured between confronting sides, and a top defined by ledges projecting inwardly from the sides, with inner edges spaced one from the other to define a slot that underlies the blade holder and has a width narrower than the width of the groove. A plurality of shafts are spaced along the length of the blade holder and project downwardly through the slot and into the groove. First and second independently rotatable elements are carried by each of the shafts. The first rotatable elements are located in the slot and are dimensioned to contact the inner edges of the ledges, and the second rotatable elements are located in the groove and are dimensioned to contact the undersides of the ledges.
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公开(公告)号：DE60217474T2
公开(公告)日：2007-11-29
申请号：DE60217474
申请日：2002-04-10
Applicant: KADANT WEB SYSTEMS INC
IPC: D21G3/00
Abstract: An apparatus for doctoring a roll surface including a pivot bar adapted to be mounted on a doctor back and which the pivot bar defines an upwardly projecting fulcrum. A first shelf projects forwardly beyond the fulcrum and a top plate pivotally supported on and projecting forwardly beyond the fulcrum overlies the first shelf. The top platen is held downwardly against the fulcrum. Blade support members are carried by and cooperate with the top plate to define forwardly open slots, which slots are configured and dimensioned to receive a rear edge of a forwardly projecting doctor blade. The blade support members have rearwardly projecting second shelves underlying the first shelf and a loading mechanism is interposed between the first and second shelves for pivoting the top plate on the fulcrum in a direction urging the doctor blade against the roll surface.
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公开(公告)号：BRPI0414179A
公开(公告)日：2006-10-31
申请号：BRPI0414179
申请日：2004-09-07
Applicant: KADANT WEB SYSTEMS INC
Inventor： REID ROBERT A , MEHMOOD BILAL
Abstract: A doctor blade holder comprises upper and lower mutually spaced jaw components defining a slot. A doctor blade is removably retained in the slot, and nozzles in one of the jaw components are arranged to direct fluid under pressure into the slot for application to the doctor blade.
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Patent Agency Ranking
公开(公告)号：CA2601965A1
公开(公告)日：2006-08-31
申请号：CA2601965
申请日：2006-02-13
Applicant: KADANT WEB SYSTEMS INC
Inventor： ROTHERHAM JOHN
IPC: D21G3/00
Abstract: A doctoring apparatus for doctoring a roll surface comprises a doctor blade, a blade holder for applying the doctor blade to the roll surface, and a doctor back having a support surface on which the blade holder is adapted to slide. A locking bar is subdivided into multiple mechanically interlocked segments and is mounted by fasteners on the support surface of the doctor back for movement lengthwise in opposite directions between locked and unlocked positions. The locking bar is configured and dimensioned to fit loosely within a groove on the underside of the blade holder. In its unlocked position, the locking bar permits the blade holder to slide on the doctor back support surface into and out of an operative position adjacent to the roll surface. In its locked position, the locking bar releasably secures the blade holder in its operative position.
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公开(公告)号：DE60108155T2
公开(公告)日：2005-12-15
申请号：DE60108155
申请日：2001-09-27
Applicant: KADANT WEB SYSTEMS INC
Inventor： MEHMOOD BILAL
IPC: D21G3/00
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公开(公告)号：ES2233696T3
公开(公告)日：2005-06-16
申请号：ES01975455
申请日：2001-09-27
Applicant: KADANT WEB SYSTEMS INC
Inventor： MEHMOOD BILAL
IPC: D21G3/00
Abstract: Una cuchilla rascadora (10) compuesta que comprende: una banda soporte (12) de acero configurada con una anchura y un espesor adecuados para ser montada en un portacuchillas y que tiene una resistencia a la tracción y un límite elástico adecuados para una aplicación de tratamiento de rascado seleccionada; y una tira resistente al desgaste (14) de acero de alta velocidad unida de forma integral a un borde de dicha banda soporte, teniendo dicha tira resistente al desgaste resistencia a la tracción y límite elástico más altos que los de dicha banda soporte, en la que dicha tira resistente al desgaste tiene una dureza de entre unos 55 y 65 Rc.
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公开(公告)号：DE60108155D1
公开(公告)日：2005-02-03
申请号：DE60108155
申请日：2001-09-27
Applicant: KADANT WEB SYSTEMS INC
Inventor： MEHMOOD BILAL
IPC: D21G3/00
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