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| Number | Title | Issue Date |
| 7428858 | Feedworks device An apparatus for feeding flat, rigid material through a cutter comprising a continuous drive conveyor belt with a non-skid face, having one or more Guide ‘V’ belts bonded to its reverse side parallel to the direction of movement, which ‘V’ belts communicate ... | 09/30/2008 |
| 7104174 | Log sawing apparatus and method A saw mill has a head having at least one saw. The head is configured to travel on a track longitudinally to make alternating cuts between laterally spaced apart first and second work pieces. After traveling forward longitudinally to make a first cut of the first wo... | 09/12/2006 |
| 6929043 | Optimized board edger and method of operation thereof In a first aspect of the invention, there is provided a new method for edging a wood board. This method comprises the steps of constructing from the scanned images of a wood board, a virtual entity of the wood board; determining from the scanned images an optimized ... | 08/16/2005 |
| 6286571 | Process for sawing logs The invention relates to a method of sawing a log in order to provide a high yield of vertical-grained pieces of lumber. According to the invention, this is achieved by sawing from the log not only pieces of lumber which are triangular or sector-shaped in... | 09/11/2001 |
| 6276110 | Stud for a timber wall The present invention relates to a stud (1) intended for a timber wall and a method for manufacturing the stud (1). The stud (1) constitutes a part of a wooden frame on which, for example, plaster board panels (12) are secured in order to form the wall. T... | 08/21/2001 |
| 5819626 | Portable sawmill A portable sawmill with lateral and longitudinal stability which includes first and second rectangular end frames, each end frame including two horizontal and two vertical members, longitudinal, horizontal rails slidably connected by brackets to correspon... | 10/13/1998 |
| 5637068 | Method and apparatus for changing a saw assembly A saw changer for changing a saw assembly mounted on an arbor of a saw machine. A carrier is positioned for powered sliding movement axially along the saw assembly from a position under the arbor to a position free of the arbor. The carrier includes holde... | 06/10/1997 |
| 5551495 | Universal staircase handrail volute A method of manufacturing a staircase handrail volute, comprising the steps of: (a) cutting a workpiece from wood with a bandsaw such that the workpiece has an approximation of a shape of the volute, wherein the approximation dimensions are larger than th... | 09/03/1996 |
| 5503202 | Radius curve log sawing apparatus and method A sawing process and apparatus cuts a log longitudinally along a radius curve to produce boards. The sawing apparatus includes a continuous flexible band saw blade, provided with teeth at one or both edges. A support exposes a section of saw blade that is... | 04/02/1996 |
| 5417265 | Infeed method and apparatus for a machining device An apparatus and method for delivering pieces of lumber to a machining device having a longitudinal machining path and operating at a predetermined longitudinal speed. The infeed system comprises feed belt conveyors for carrying pieces of lumber simultane... | 05/23/1995 |
| 5368080 | Apparatus and method for a board infeed system A board edging infeed optimization system is described. The infeed system is equipped with a conveyor which transversely advances the board, a conventional optical scanning station, and a computer which calculates a longitudinal reference datum line and a... | 11/29/1994 |
| 5249350 | Trimmed recompressed hay bales and formation process therefor Recompressed rectilinear hay bales or split portions thereof have one or both opposed sides not supporting ties trimmed to provide new planar surfaces of fresher and more pleasing appearance. The process of forming such bales provides 1) placing an elonga... | 10/05/1993 |
| 5179883 | Apparatus for dividing wood An apparatus for finishing wood (cants) comprises a circular saw (6) which can be reciprocated (double arrow 7) in the cutting plane (11), and several clamping trestles (1) for holding the piece of wood to be divided, these trestles being adjustable perpe... | 01/19/1993 |
| 5165518 | Conveyor system for timber products A conveyor system serves for conveying timber products, in particular boards (13) having at least one flat side. The conveyor system (10) comprises a transverse conveyor and a linear conveyor (11) the conveying direction (14) of which include between them... | 11/24/1992 |
| 5113734 | Straight edge ripping guide for boards with two uneven edges A straight edge ripping guide for use in removing one curved and uneven edge of a board having two uneven edges. The double uneven edge board is assembled to the ripping guide that has longitudinally adjustable projections to contact the high points of th... | 05/19/1992 |
| 5088363 | Method and apparatus for an automatic sawmill In an automatic sawmill, logs are first sawn horizontally into pieces that are respectively deposited flat side down on a bed plate and conveyed through multiple, close spaced horizontal bandsaws located above the bed plate. Sawn cants are positioned by c... | 02/18/1992 |
| 5070989 | Log sweep positioner A curved log to be sawn lengthwise by a vertical saw blade is supported for a time, near its center of gravity, by a device which permits the log to rotate about its axis, and thus find an orientation at which the plane of the curve of the log axis is ver... | 12/10/1991 |
| 4971125 | Shake fabricating process A shake fabricating process for producing roofing shakes from wood is provided. In accordance with the process a log is stripped of its bark and cut into bolts having a preselected length corresponding to the desired length of the shakes to be produced. T... | 11/20/1990 |
| 4848427 | Method and apparatus for chipping and disecting of tree logs on all sides In a method for profile chipping, the necessary chipping out of wany-edged corners laterally defining a side board (4) to be separated is carried out in such a manner that firstly in a direction perpendicular to the trunk axis saw incisions (6) are made t... | 07/18/1989 |
| 4823664 | Tandem sawmill assembly A tandem sawmill assembly is disclosed having two linearly spaced sawing stations. A conveyor system moves the log through the first sawing station and up an inclined ramp for rotating the log ninety degrees prior to moving the log through the second sawi... | 04/25/1989 |
| 4794964 | Method and apparatus for edging boles In a method for the manufacture of prismatic or truncated-pyramid-shaped beams, it is suggested to produce respectively two adjoining, mutually perpendicularly disposed lateral faces in one working step by simultaneous edging. In an apparatus for performi... | 01/03/1989 |
| 4794963 | Method and apparatus for optimizing the cutting of raw boards into product boards An apparatus for optimizing the yield from a raw board, having defects randomly located therein, and for cutting the raw board optimally into product boards of predetermined specification, thereby cutting out any defects. The apparatus includes an adjusta... | 01/03/1989 |
| 4777854 | Dimensional cutting tool for wood A dimensional cutting tool for flat wood stock is the subject of the present invention. The cutting tool comprises a table structure, the flat surface of which is movable vertically to accommodate varying thicknesses of wood. Two or more circular saw blad... | 10/18/1988 |
| 4756218 | Method of cutting panels or stacks of panels and cutting machine according to said method A method of cutting panels with or stacks of panels a circular cutting saw to effect extremely neat and rapid cuts with no splintering. The saw cuts a panel in two steps, first by acting thereon through a portion of its thickness during a horizontal strok... | 07/12/1988 |
| 4653560 | Fixed curve linebar The present invention comprises the combination of an elongated curved linebar with at least one saw. This arrangement enables "sawing-around-the-curve" so that increased recovery can be obtained from cants or logs having significant amounts of sweep. The... | 03/31/1987 |
| 4633924 | Variable curve linebar The present invention is a linebar assembly for guiding a cant or log into a saw. It comprises a flexible linebar which can be bent from a straight-line configuration to one approximating a circular arc having a minimum radius of about 30 m. The linebar c... | 01/06/1987 |
| 4612966 | Process for the parallel splitting up of trimmed workpiece panels, in particular, of laminated, compressed wood panels During the parallel splitting up of workpiece panels, in particular, consisting of laminated, compressed wood, it is usually not possible to prevent one of the two panel sections resulting after completion of the last separating cut, more particularly, th... | 09/23/1986 |
| 4416312 | Guiding mechanism for timber cutting machines A cutting machine fitted with saw blades for pieces of timber has, adjacent to at least one pair of outer saw blades, lateral guide devices, the position of which can be adjusted, and which ensure the guiding of a worked piece of timber when its rear end ... | 11/22/1983 |
| 4269245 | Infeed mechanism A method and a mechanism for feeding waned boards to an edger comprising a cross conveyor for the boards, a measuring apparatus, a computer, and centering and side-adjustment means to enable centering and side-adjustment of the boards in dependence of the... | 05/26/1981 |
| 4262572 | Log sawing apparatus A log sawing apparatus is described for enabling a single person to control the sawing operation at a single log sawing station. The apparatus includes means for prealigning the log with respect to a projected grid in a first plane. After being prealigned... | 04/21/1981 |
| 4250937 | Sawmill log handling method A log is moved forwardly in a longitudinal path through a saw while engaged between a pusher dog and a holdback dog. The dogs are supported respectively by a pair of endless carriers which are parallel and adjacent to each other on one side of the log pat... | 02/17/1981 |
| 4239069 | Automatic cant production machine A woodworking machine to convert round logs to square or rectangular cants by initially cutting with initial chipping cutters pairs of adjacent grooves respectively in the opposite upper and lower surfaces of each log to form corners of said cant thereon ... | 12/16/1980 |
| 4228708 | Portable sawmill A portable sawmill including a log positioning section, a log sawing section and a drive for the log positioning section and the log sawing section; the log positioning section including a supporting frame with an inclined face and a conveyor disposed alo... | 10/21/1980 |
| 4170911 | Log cutting apparatus Apparatus is disclosed and claimed herein for cutting logs into predetermined lengths with primary use in a hardwood veneer plant. A log conveyor is provided, preferably in two sections, with a cutting station located therebetween. The cutting station is ... | 10/16/1979 |
| 4164966 | Method and apparatus for self-feeding and sawing wooden workpieces A wooden workpiece is positioned on a saw table and introduced to a safety-back saw blade rotating in generally the same direction as the direction of introduction of the workpiece at the point of contact. The blade generates components of vertical and ho... | 08/21/1979 |
| 4147259 | Feed mechanism for log sawing machine For feeding logs to a sawing machine, two parallel horizontal I-beams, at a level above the sawing machine, guidingly support an inner and an outer feed carriage. From each carriage pincers-like log supporting jaws extend obliquely downwardly and in the f... | 04/03/1979 |
| 4106538 | Translatory feed of lumber workpieces from an orienting station through an edge trimming station Strictly translatory substantially lengthwise horizontal motion is imparted to an elongated workpiece such as a cant having top and bottom face surfaces, at least one of which is flat, to feed the workpiece from an orienting station towards a trimming sta... | 08/15/1978 |
