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| Number | Title | Issue Date |
| 7347232 | Lumber processing apparatus and method A method and apparatus are provided for processing rough cut lumber to convert the rough cut lumber into trimmed to length and dimensionally trimmed to form a standard piece of dimensioned lumber. The process and apparatus includes the formation of a plurality of co... | 03/25/2008 |
| 6405769 | Material-recovery apparatus Material-recovery apparatus for obtaining usable, uniformly-dimensioned blanks from scrap. Apparatus is small, and economical in manufacture and operation, using only a single lifting jack and vertical support unit to support the tool-and-feed-roller hous... | 06/18/2002 |
| 6374881 | Method for cutting up logs The invention relates to a method for cutting a log into pieces. The log is cut into pieces with at least two nearly diametrical cuts (S1, S2), where the outermost lie essentially symmetrically around the pith of the stock. Each so-obtained plank is edged... | 04/23/2002 |
| 6212983 | Tiltable infeed and outfeed saw table An apparatus for sequentially and automatically cutting a piece of dimension lumber at a number of predetermined angles to produce a building component, such as a rafter or truss web or chord, with composite or compound angles, is disclosed. The apparatus... | 04/10/2001 |
| 6161603 | Procedure and apparatus for working a tree trunk by chipping Procedure for working curved tree trunks by chipping into timber products, such as boards and cants, in which procedure the trunk (T) is crook-chipped and a straight side board (S1) is edged at the same time. The invention also relates to an apparatus for... | 12/19/2000 |
| 6039098 | Position-based integrated motion controlled curve sawing 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 a... | 03/21/2000 |
| 6039097 | Position-based integrated motion controlled curve sawing 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 a... | 03/21/2000 |
| 5884682 | Position-based integrated motion controlled curve sawing 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 a... | 03/23/1999 |
| 5472028 | Method and apparatus for manufacturing wood products from tree trunks The invention concerns a method apparatus for the manufacture of wood products from tree trunks in the form of an integral work station utilizing modern splinter-chipping technology. In a preferred embodiment a tree trunk (6) is alignable on a feeder carr... | 12/05/1995 |
| 5435361 | Method and apparatus for around the curve sawing A method and apparatus for around the curve sawing is shown and described wherein a group of roller assemblies are positionable along a selected semicircular path having a point of tangency relative to lines of cut provided by an assembly of cutting blade... | 07/25/1995 |
| 5228490 | Process and apparatus for producing squares from tree boles or the like A process for producing beams of square cross-section from tree boles or the like is characterized in that plano-convex slabs are severed in parallel to the hart zone of the boles. An apparatus for performing the process is characterized in that the boles... | 07/20/1993 |
| 5224530 | Clamping and feeding device for the machining of boles The combination with a machining tool for machining boles, of a clamping and feeding device for feeding the boles to the machining tool. The clamping and feeding device comprises a slide on which the bole rests during machining. The slide has mounted ther... | 07/06/1993 |
| 5111862 | Method for flattening logs A method serves for flattening logs (10) showing a curved longitudinal center line (10a). The logs (10) are conveyed in horizontal position in their longitudinal direction, with their convex side (11) up and their concave side (12) down. The concave side ... | 05/12/1992 |
| 4947909 | Process and apparatus for optimizing volume of boards cut from a log A system of optimizing the volume of boards that may be cut from a log provides for one surface of a cant to be cut with a curved or straight surface. This takes into account curved, tapered or straight logs. The system comprises a scanner positioned to s... | 08/14/1990 |
| 4941100 | Automatic edger saw A controller for a head rig edger saw for sawing the edges of a board that is cut from a log by a head saw includes a detector for determining the surface contour of the log to be sawed, along a line displaced from the face of the log; a computer device f... | 07/10/1990 |
| 4846237 | Method and apparatus for sawing round wood trunks Round wood trunks are formed into beams, boards, etc. shaped on all sides, each round wood trunk being continuously flattened along its lengthwise direction in each of several working steps. In each feeding operation of the round wood trunk, it is simulta... | 07/11/1989 |
| 4691749 | Tree-trunk sawing and cutting installation A log sawing and cutting apparatus has a knife head which serves as a cutting tool for the production of wood chips and a coaxial circular sawblade which serves to saw off at least one side board. The knife head is connected with a hollow shaft. The saw s... | 09/08/1987 |
| 4688614 | Process for trimming and splitting up boards having unfinished edges, such as edges still covered with bark, and apparatus for performing the process A process which enables boards with unfinished edges or edges still covered with bark to be split up easily and rapidly is suggested. After clamping for performance of the trimming cut, the board is gripped at its unfinished edge located opposite to the unfini... | 08/25/1987 |
| 4570687 | Method and apparatus for producing lumber products which are machined on all sides A method and apparatus for producing lumber products which are machined on all sides. With this method, the curved trunk which is to be machined, and which increases approximately conically in thickness toward one of its ends, is first, prior to flattenin... | 02/18/1986 |
| 4540031 | Machine for removing material from logs A machine for removing root swellings on tree logs comprises a holding device (2) for supporting the log generally from below with an end portion (4) thereof protruding freely from the holding device. Furthermore, the holding device is adapted to cause th... | 09/10/1985 |
| 4471823 | Log processing positioning means Log processing positioning apparatus in which a log is brought to pass along a path from an input end of the same and through a log processing device at an output end of the path provided to divide the log into wood products. Between the input end and the... | 09/18/1984 |
| 4363342 | Log milling apparatus In a milling apparatus for removing root swellings from timber logs the log is received on two spaced apart supports with the butt-end of the logs freely overhanging from the supports. A holder-on urges the log against the supports. The holder-on as well ... | 12/14/1982 |
| 4325421 | Method and apparatus for cutting and trimming shingles A method and apparatuses are disclosed for making shingles. The method consists of clampingly holding a block of material to be cut and conveying such block while it is clamped along a selected path through the clamping mechanism and causing relative move... | 04/20/1982 |
| 4223432 | Shim bundle and method of making the same Several courses of random width, low-grade tapered wood shingles are stacked in an elongated trough with the butts of shingles of adjacent courses disposed at opposite sides of the trough to form a substantially continuous stacked shingle lay-up. A cutoff... | 09/23/1980 |
| 4100949 | Web forming apparatus A machine for forming beveled webs, particularly for use in truss structures, includes a feed table upon which a wooden board is placed. A saw is shifted into cutting relation with the board to sever a web which drops into a hopper. A pusher displaces the... | 07/18/1978 |
| 4089355 | Automatic resaw shake cutter and method A plurality of rows of vertically spaced discs are located on opposite sides of the path of movement of a shake blank as it is pushed along a cutting plane into the path of a bandsaw blade. The discs on each side of the cutting plane have respective radii... | 05/16/1978 |
| 3946633 | Apparatus and method for making a shingle This invention is directed to an apparatus and method for making a shingle from a block of wood. The block of wood is canted and a shingle is sawed from this block of wood. The shingle has a thick end and a thin end. After the shingle has been sawed, the ... | 03/30/1976 |
