Of Elongated Material (e.g., Timber, Veneer, Web) Patents (Class 700/167)
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Patent number: 6695021Abstract: A molding machine for machining workpieces of wood or plastic material has a transport path for transporting workpieces in a transport direction and adjustable spindles arranged sequentially in the transport direction on the transport path. Tools are fixedly connected on the spindles. Adjusting elements are drivingly connected to the spindles. First indicator devices are coupled to the adjusting elements and indicate a position of the spindles relative to a reference point of the machine, respectively. At least one data storage device is connected to the indicator devices and configured to save position data of the spindles and to allow retrieval of the position data of the spindles.Type: GrantFiled: July 23, 2002Date of Patent: February 24, 2004Assignee: Michael Weinig AktiegesellschaftInventor: Heinrich Englert
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Patent number: 6688352Abstract: The invention relates to a work center for wood working including: a support base (1) for the pieces to be worked; a structure (6), mobile along said base in the direction of a first numerically controlled axis (X); a support (12) of a tool group (13) mounted on said structure and mobile, under numeric control, along a second axis orthogonal the first two, wherein a second tool group (15) is provided, mounted on said support (12), said second tool group (15) being mobile between a first position in which it fits completely within said support (12) and a second position in which said second tool group protrudes from the said support (12). According to a second preferred embodiment, the machine includes, mounted onto the same structure (6), a second carriage mobile along said second axis and supporting a second tool group mobile along said third axis (Z) orthogonal to the first two.Type: GrantFiled: April 2, 2002Date of Patent: February 10, 2004Assignee: Uniteam S.p.A.Inventors: Sante Marchioro, Valentino Borriero
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Patent number: 6672187Abstract: An improved method and apparatus for cutting graphics areas from a sheet of material bearing a combination of graphics areas and a plurality of registration marks in predetermined positions with respect thereto, the combination being in a predetermined approximate position and orientation with respect to a set of reference features of the sheet. The method involves automatically determining whether the reference features are in an expected coordinate region on a sheet-receiving surface, and, if not, automatically determining the coordinate region of such features. Further steps then include sensing metrics of the reference features to determine the position and orientation of the sheet, inferring therefrom the approximate positions of the registration marks and then sensing the precise positions thereof with a main sensor, and cutting the graphics areas from the sheet in response to such precise positions.Type: GrantFiled: March 1, 2002Date of Patent: January 6, 2004Assignee: Mikkelsen Graphic Engineering, Inc.Inventors: Peter Alsten, Geo Andersen, David G. Jansson
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Publication number: 20040002787Abstract: In preferred embodiments the invention includes a transverse board conveyor, a board extrusion portion, a marking station a sawing portion, and one or more board feeding portions, all of which are controlled by a process controller. In such, preferred embodiments, one or more stacks of boards are serially fed onto the transverse board conveyor and are conveyed in a direction transverse to the length of the boards. The boards are individually deposited into an elongate receiver of a board extrusion portion to be conveyed longitudinally. A carriage in the receiver transports the boards past an end detection station, past a marking station, and to a sawing station. The carriage has a moveable clamping member which pinches the board between a wall of the receiver and the clamping member. The carriage moves down the receiver with the board clamped thereto conveying the board in a longitudinal direction to position the board in a desired position for sawing the board.Type: ApplicationFiled: March 10, 2003Publication date: January 1, 2004Applicant: The Koskovich CompanyInventor: Jerome E. Koskovich
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Patent number: 6666246Abstract: An automated planer machine for planing a piece of lumber. The planer machine has a feed table for slidably receiving the bottom surface of the piece of lumber along a traveling course. One or more planing heads extend on sides of the traveling course to plane the surfaces of the piece of lumber. A linebar laterally guides the piece of lumber. Feed rolls along the traveling course move the piece of lumber. Positioning devices responsive to respective control signals are provided for adjusting a height of the feed table and planing levels of the planing heads as much when the planer machine is idle as during operation. Position encoders coupled to the feed table and the planing heads produce positional signals usable to accurately position them using the positioning devices.Type: GrantFiled: May 3, 2002Date of Patent: December 23, 2003Assignee: Les Produits Gilbert, Inc.Inventor: Sylvain Gilbert
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Publication number: 20030216829Abstract: The present invention relates to the use of a single end testing of stems of felled trees whereby by inducing a sonic wave with an impact and by reference to detected reflections and with a knowledge of the length of the stem the stiffness and/or strength characteristics of the stem or logs to be cut therefrom can be derived. A preferred procedure is a determination of the fundamental frequency f0 which relates to velocity V, the speed of longitudinal compressional motions along the stem, and L, the length of the stem, as follows: V=2Lf0. From that value V or a function of V can be derived an indicator of stiffness and/or strength. For example the modulus of elasticity (MOE) is such an indicator and can be determined by the equation MOE=&rgr; V2 where &rgr; is density. For green felled timber &rgr; can be estimated as approximating 1000 kg/m3.Type: ApplicationFiled: February 10, 2003Publication date: November 20, 2003Applicant: Carter Holt Harvey LimitedInventors: Michael Kenneth Andrews, Paul David Harris, Peter Charles Stratton Carter, Brian Andrew Rawley, Marcus Jean Francois Lausberg
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Publication number: 20030187540Abstract: My automated saw apparatus for cuffing the component pieces for roof trusses. The apparatus comprises a circular power saw, a processing line whereon stock lumber is conveyed to and from the saw, a waste bin for receiving scrap pieces cut by and discarded from the saw, a control computer and software, and sensors for measuring the lumber as it is conveyed to the saw for allowing the computer to determine how long a board to cut, and where and at what angles to make the cuts.Type: ApplicationFiled: March 26, 2003Publication date: October 2, 2003Inventor: James F. Urmson
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Patent number: 6615100Abstract: An automated saw apparatus for cutting the component pieces for roof trusses. The apparatus comprises a circular power saw, a processing line whereon stock lumber is conveyed to and from the saw, a waste bin for receiving scrap pieces cut by and discarded from the saw, a control computer and software, and sensors for measuring the lumber as it is conveyed to the saw for allowing the computer to determine how long a board to cut, and where and at what angles to make the cuts.Type: GrantFiled: July 31, 2000Date of Patent: September 2, 2003Inventor: James Francis Urmson
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Patent number: 6594590Abstract: An apparatus for detecting the probable existence, location, and type of defects in a workpiece is described. The apparatus includes a sensor subsystem, an optimizer, a control subsystem, and a computer system having a processor and computer readable memory. The sensor subsystem senses a first section of the workpiece and produces signals corresponding to a physical characteristic of the workpiece. The computer system is configured to generate a workpiece model based on the signals produced by the sensor subsystem. In an alternate embodiment, a defect assembler can be provided to merge signals front a plurality of sensor subsystems. The defect assembler can also be configured to generate the workpiece data model. The optimizer is configured to generate workpiece segmentation recommendations based on the workpiece data model.Type: GrantFiled: July 5, 2001Date of Patent: July 15, 2003Assignee: Coe Newnes/McGehee ULCInventors: Steve C. Woods, Michael McGuire, Harry Ogloff, Zvonimr Skocic, Emeric Johnson
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Patent number: 6561238Abstract: A door preparation station includes a data processing control system that drives a display for presenting sequential series of menu selections that illicit operator information that is used as control data to configure the station for preparing a door for receipt of predetermined door hardware (e.g., locks, hinges, etc.) of one type or another. Based upon responses received at the menu selections, the processing system positions and operates various door preparation cutting and drilling elements for the door preparation procedure.Type: GrantFiled: October 11, 2001Date of Patent: May 13, 2003Assignee: Norfield IndustriesInventor: Charles A. Knighten
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Patent number: 6561239Abstract: A machine for machining workpieces of wood and plastic has a transport path for transporting workpieces through the machine. One or more driven spindles having a tool for machining the workpieces transported through the machine are provided. An adjustable element that is adjustable relative to the tool is provided. At least one data storage is provided for storing data at least of the tool wherein the data are used to determine a position of the adjustable element relative to the tool and are retrievable. In the method for adjusting the machine, characteristic data of the tool are measured and stored in the data storage. The characteristic data are supplied to a control unit. In the control unit positioning data for the adjustable element are calculated based on the characteristic data and then made available for processing the workpieces.Type: GrantFiled: February 26, 2001Date of Patent: May 13, 2003Assignee: Michael Weinig AktiengesellschaftInventor: Heinrich Englert
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Patent number: 6520228Abstract: A method of position-based integrated motion controlled curve sawing includes the steps of: transporting a curved workpiece in a downstream direction on a transfer, and monitoring position of the workpiece on the transfer, scanning the workpiece through an upstream scanner to measure workpiece profiles in spaced apart array, along a surface of the workpiece and communicating the workpiece profiles to a digital processor, computing by the digital processor, a high order polynomial smoothing curve fitted to the array of workpiece profiles of the curved workpiece, and adjusting the smoothing curve for cutting machine constraints of downstream motion controlled cutting devices to generate an adjusted curve generating unique position cams unique to the workpiece from the adjusted curve for optimized cutting by the cutting devices along a tool path corresponding to the position cams, sequencing the transfer and the workpiece with the cutting devices, and sequencing the unique position cams corresponding to the workType: GrantFiled: February 15, 2000Date of Patent: February 18, 2003Assignee: CAE Inc.Inventors: Joe B. Kennedy, Roland Davyduke, James G. Jackson, James B. Hannebauer, William R. Newnes, Brian Stroud, John Sergeant
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Patent number: 6484768Abstract: The invention relates to a veneer lathe knife assembly comprising supported by a frame assembly a knife mounting beam (4) and a nose bar beam (5), both of which having a front portion (4′; 5′) for holding a cutting knife (6) and a nose bar (7), respectively, and a stiffening rear portion. The knife mounting beam (4) and the nose bar beam (5) are adapted movable relative to each other on the frame assembly so as to permit adjustment of the knife gap formed between the cutting knife (6) and the nose bar (7). Heat transfer means (2, 2′, 2″, 2′″) are adapted to the stiffening rear portion of both the knife mounting beam (4) and the nose bar beam (5). Both the knife mounting beam (4) and the nose bar beam (5) have placed thereon, in a close vicinity to the knife (6) and the nose bar (7), at least one first set of temperature sensors (3, 3′) disposed in predetermined positions along the length of the knife and the nose bar.Type: GrantFiled: November 13, 2001Date of Patent: November 26, 2002Assignee: Raute OyjInventors: Jussi Puranen, Seppo Vartiainen, Jarkko Hyttinen
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Patent number: 6474379Abstract: A method and apparatus for automatically planing a flitch. The method of the invention comprises measuring the distance between the top and bottom surfaces of the flitch at a plurality of longitudinally spaced locations, calculating a planing operation of the flitch based upon the plurality of distance measurements; and then planing the flitch according to the calculation. In a preferred embodiment, the measurements are taken by a bank of photodetectors in combination with a computer (microprocessor). The calculation is done by the microprocessor.Type: GrantFiled: October 11, 2000Date of Patent: November 5, 2002Assignees: Merritt Plywood Machinery, Inc., Danzer Services, Inc.Inventors: David Mellor, Juergen F. Trost, Mark J. Lorenc, Daniel J. Rastatter
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Patent number: 6385507Abstract: An illumination module (20) for illuminating an object (10) comprises a number of illumination rings (62, 64, 66) each comprising a number of radiation-generating elements (50) which are all arranged on a flat plate (42). For each ring, a light guide (72, 82, 84) is provided for guiding the radiation from the ring to the exit window (60) where the radiation exits at a range of angles which are specific to said ring. The rings can be switched on individually, so that different kinds of illumination can be realized.Type: GrantFiled: February 22, 2001Date of Patent: May 7, 2002Assignee: U.S. Philips CorporationInventor: Antonius Gerardus Johannes Wilhelmina Maria Buijtels
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Patent number: 6360143Abstract: A method of controlling a dispensing system, having a robot that moves along a motion segment and applies a material to a workpiece, automatically determines a backup distance for the robot after an error has occurred during the dispensing of a first portion of the material. The backup distance is based on an operational speed of the robot. The robot is relocated to a backup position based on this backup distance to ensure that the robot reaches the operational speed at least by a time that the robot reaches a re-application position. The re-application position is at or near where the application of the first portion of the material ended. Therefore, gaps, overlaps, and puddles in the material on the workpiece are prevented.Type: GrantFiled: April 27, 2001Date of Patent: March 19, 2002Assignee: Fanuc Robotics North AmericaInventor: Akihiro Yanagita
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Patent number: 6305448Abstract: To make coincide cutting centers of two end surfaces of raw wood with the axis of spindles of a veneer lathe, at least two axial corrections which are performed in a state in which the raw wood is held by centering spindles are required. Conventional apparatuses suffer from too complicated structures and enlargement of the cost because of the complicated structures. A correction operation of an axial direction of correction operations in the two axial directions is performed such that only a movable centering spindle is moved in a direction intersecting a direction in which holding arms are extended/contracted. Another correction operation in another axial direction is performed by extending/contracting the holding arms.Type: GrantFiled: August 5, 1998Date of Patent: October 23, 2001Assignee: Meinan Machinery Works, Inc.Inventors: Takashi Ota, Tsuyoshi Nakamura
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Publication number: 20010000354Abstract: A system for marking elongated wire and for cutting the wire and stripping insulation therefrom comprising first structure operable to mark the wire; second structure operable to cut the marked wire and to strip insulation from the wire; the wire extending between and movable between the first and second structures, the first and second structure comprising separate stand-alone devices; and control structure, including external computer means, operatively connected with the first and second structures for controlling operation of the first and second structures in time sequence relation to wire movement therebetween, and/or to control wire marking, wire cutting, and insulation stripping length.Type: ApplicationFiled: December 11, 2000Publication date: April 19, 2001Inventors: Greg Nazerian, Ronald Bailey, Jack L. Hoffa
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Patent number: 6219585Abstract: A scanning device for determining the shape of irregular substantially cylindrical objects. Lines of light are projected onto the surface of the object. The position of the images of the lines on the surface are measured at predetermined positions to obtain a three dimensional profile of the object. The device can be incorporated into a log cutting system and the position of the log can be adjusted based on the profile determination to obtain maximum yield from the log.Type: GrantFiled: July 21, 1994Date of Patent: April 17, 2001Assignee: Silvatech CorporationInventors: Michael G. Hughes, William A. Rousseau
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Patent number: 6176282Abstract: A pair of centering spindles are disposed away from cutting spindles and movably in the direction of Z or parallel with the axial center line of cutting spindles. A plurality of log center detecting means are disposed along the Z direction in relative to a log chucked by the centering spindles. A pair of holding members are mounted movably in the directions of X, Z, and Y including components orthogonally intersecting the X and Z. By way of controlling means, the centering spindle holding a log is caused to rotate at least one revolution thereby enabling the log center detecting means to determine each position of axial center which is assumed to constitute the axial centers at both end faces of the log, the virtual line passing through every positions of axial centers in Z direction is aligned with the Y, and the holding members are moved in the Z direction to hold the log, after which the chucking of log by the centering spindles are released.Type: GrantFiled: June 25, 1999Date of Patent: January 23, 2001Assignee: Meinan Machinery Works, Inc.Inventors: Tsuyoshi Nakamura, Shunichi Suzuki
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Patent number: 6112132Abstract: A data-driven electrochemical grinding apparatus and method produces series of finished-cut, burr-free tube sections of precisely defined lengths. The data-driven process automatically inputs desired tube lengths, tracks the cut tube sections during the process, and produces recorded output of tube and process parameters. Such tube sections are particularly suitable for use in ultrahigh purity gas cabinets used in semiconductor manufacturing equipment.Type: GrantFiled: March 6, 1998Date of Patent: August 29, 2000Assignee: Ultra Clean Technology Systems & Service, Inc.Inventor: Stephen L. Grube