Abstract: A planar element for use in a papermaking machine comprising a synthetic construction incorporating nanoparticles in a polymeric resin matrix.

Abstract: A doctor blade holder is disclosed that includes first and second members as well as position adjustment means. The first member includes a plurality of first member mounting structures that are integrally formed with the first member and are mutually spaced apart from one another along an elongated direction that is parallel with an elongated edge of a doctor blade. The second member is coupled to the first member, at least in part, by a plurality of second member mounting structures that are mutually spaced apart from one another along the elongated direction that is parallel with the elongated edge of the doctor blade. The position adjustment means is for adjusting the relative positions of the first member and the second member while the first member is coupled to the second member, at least in part, by the plurality of first member mounting structures and the plurality of second member mounting structures.

Abstract: Exemplary apparatus, method, and system embodiments provide for accelerated hardware processing of an action script for a graphical image for visual display. An exemplary apparatus comprises: a first memory to store corresponding data; a first processor to separate the action script from other data; and a second processor to convert a plurality of descriptive elements of the action script into a plurality of operational codes, and to perform an operation corresponding to an operational code of the plurality of operational codes using the corresponding data to generate pixel data for the graphical image. In exemplary embodiments the second processor further is to parse the action script into the plurality of descriptive elements and the corresponding data, and to extract data from the action script and to store the extracted data in the first memory as a plurality of control words having the corresponding data in predetermined fields.

Abstract: Exemplary apparatus, method, and system embodiments provide for accelerated hardware processing of an action script for a graphical image for visual display. An exemplary method comprises: converting a plurality of descriptive elements into a plurality of operational codes which at least partially control at least one processor circuit; and using at least one processor circuit, performing one or more operations corresponding to an operational code to generate pixel data for the graphical image. Another exemplary method for processing a data file which has not been fully compiled to a machine code and comprising interpretable descriptions of the graphical image in a non-pixel-bitmap form, comprises: separating the data file from other data; parsing and converting the data file to a plurality of hardware-level operational codes and corresponding data; and performing a plurality of operations in response to at least some hardware-level operational codes to generate pixel data for the graphical image.

Abstract: Exemplary apparatus, method, and system embodiments provide for processing an action script for a graphical image for visual display. An exemplary apparatus comprises: a first memory; first circuitry configured to convert a plurality of descriptive elements of the action script into a plurality of operational codes; and second circuitry configured to execute the plurality of operational codes using corresponding data stored in the first memory to generate pixel data for the graphical image. Exemplary embodiments may further include third circuitry configured to parse the action script into the plurality of descriptive elements and the corresponding data, and fourth circuitry configured to extract data from the action script and to store the extracted data in the first memory as a plurality of control words having the corresponding data in predetermined fields.

Abstract: Exemplary apparatus, method, and system embodiments provide for accelerated hardware processing of an action script for a graphical image for visual display. An exemplary system comprises: a network I/O interface; a frame buffer; a first memory; and a plurality of processors to separate the action script from other data, to convert a plurality of descriptive elements of the action script into a plurality of hardware-level operational or control codes, and to perform one or more operations corresponding to an operational code to generate pixel data for the graphical image. In an exemplary embodiment, at least one processor further is to parse the action script into the plurality of descriptive elements and the corresponding data, and to extract data from the action script and to store the extracted data in the first memory as a plurality of control words having the corresponding data in predetermined fields.

Abstract: Exemplary apparatus, method, and system embodiments provide for accelerated hardware processing of an action script for a graphical image for visual display. An exemplary apparatus comprises: a first memory; and a plurality of processors to separate the action script from other data, to convert a plurality of descriptive elements of the action script into a plurality of hardware-level operational or control codes, and to perform one or more operations corresponding to an operational code of the plurality of operational codes using corresponding data to generate pixel data for the graphical image. In an exemplary embodiment, at least one processor further is to parse the action script into the plurality of descriptive elements and the corresponding data, and to extract data from the action script and to store the extracted data in the first memory as a plurality of control words having the corresponding data in predetermined fields.

Abstract: A doctor blade holder is disclosed that includes first and second members as well as position adjustment means. The first member includes a plurality of first member mounting structures that are integrally formed with the first member and are mutually spaced apart from one another along an elongated direction that is parallel with an elongated edge of a doctor blade. The second member is coupled to the first member, at least in part, by a plurality of second member mounting structures that are mutually spaced apart from one another along the elongated direction that is parallel with the elongated edge of the doctor blade. The position adjustment means is for adjusting the relative positions of the first member and the second member while the first member is coupled to the second member, at least in part, by the plurality of first member mounting structures and the plurality of second member mounting structures.

Abstract: A doctor assembly is disclosed for use in a paper-making machine. The doctor assembly includes a doctor blade holder into which a doctor blade may be inserted and the doctor blade holder includes a pressure plate, pressure adjustment system, a support tray, and a bracket in accordance with an embodiment. The pressure plate is for supporting and aligning the doctor blade in a cross machine direction for application to a machine roll. The pressure adjustment system is for adjusting the pressure applied to the machine roll by the doctor blade, said pressure adjustment means including at least one fluid reservoir having a wall that contacts the pressure plate. The support tray for supporting the at least one fluid reservoir, and the support tray includes at least one bracket alignment feature. The bracket is attached to the support tray for pivotal attachment to the pressure plate.

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.

Abstract: A multiplayer composite doctor blade has a side edge configured for application to the surface of a rotating roll in a paper making machine. The doctor blade has an inner core and intermediate layers preferably enclosed by outer layers. The inner core is predominantly polymeric material. The intermediate layers on opposite sides of the core include reinforcing fibers. The side edge of the doctor blade has an abrasiveness as measured by ASTM test method D5181-91 of between about 4.0 to 5.0.

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.

Abstract: A composite doctor blade comprises a steel support band configured with a width and thickness suitable for mounting in a blade holder, with tensile and yield strengths suitable for a selected doctoring application. A wear resistant strip of high speed steel is integrally joined to an edge of the support band. The wear resistant strip has tensile and yield strengths higher than those of the support band, and has a hardness of between about 55 to 75 Rc.

Abstract: An apparatus for doctoring a moving surface includes a blade holder component extending longitudinally across the moving surface and carrying a doctor blade. A support component is parallel to and supports the blade holder component. A first operating mechanism rotatably urges the doctor blade in a doctoring direction into contact with the moving surface, resulting in the doctor blade being acted upon by a reactionary thrust force in the plane of the doctor blade and a reactionary rotational force in a direction opposite to the doctoring direction. A pair of mutually opposed parallel guide rails are provided on one of the components, and rotatable rollers are spaced along the length of the other of the component.

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.

Abstract: A composite doctor blade comprises a steel support band configured with a width and thickness suitable for mounting in a blade holder, with tensile and yield strengths suitable for a selected doctoring application. A wear resistant strip of high speed steel is integrally joined to an edge of the support band. The wear resistant strip has tensile and yield strengths higher than those of the support band, and has a hardness of between about 55 to 65 Rc.

Abstract: A doctor apparatus comprises a base adapted to be fixed to a doctor back and having a shelf projecting forwardly therefrom. A compliant top plate overlies the forwardly projecting shelf. The top plate has a rear portion fixed with respect to the base, and a front portion projecting forwardly beyond the shelf. Mutually spaced blade support members are secured to the underside of the front portion of the top plate. The blade support members have front portions underlying and cooperating in spaced relationship with the underside of the front portion of the top plate to define mutually aligned receiving slots, and have rear portions underlying and cooperating in spaced relationship with the shelf to define mutually aligned recesses. A doctor blade has a rear portion removably retained in the receiving slots, and a front portion projecting forwardly beyond the top plate. A resilient element is confined in the recesses between the shelf and the rear portions of the blade support members.

Abstract: An apparatus for doctoring a roll in a paper machine, comprising a doctor blade and an integral blade holder including a support tray carrying fluid actuated tubes for applying the doctor blade to the roll. The blade holder is removably mounted on and releasably secured to the doctor back.

Abstract: A bearing assembly for supporting a rotatable and axially reciprocable shaft comprising: a housing surrounding a central axis and enclosing an interior space, the housing being subdivided into a top section separable from a bottom section; a journal block located in the interior housing space and having a bore aligned on the central axis, the bore being dimensioned to receive and rotatably support the shaft, and the journal block having a top section separable from a bottom section; and rollers for supporting the journal block within the housing for reciprocal movement with the shaft in the direction of the central axis, the journal block and the housing being configured such that by separating their top sections from their respective bottom sections, the rollers may be accessed for replacement without disturbing the position of the bottom housing section.

Abstract: A holder is disclosed for applying the working edge of a doctor blade to a moving surface. The holder has upper and lower holder members constructed and arranged respectively to contact upper and lower surfaces of the doctor blade, with the doctor blade projecting forwardly to terminate at its working edge. One of the holder members comprises a composite of sandwiched elements enclosing one or more chambers having forwardly directed outlets. A pressurized fluid is introduced into the chambers for forward application via the outlets and along a surface of said doctor blade onto the surface being doctored.