Abstract: Universal master boards and methods of making flush door skins and doors from the universal master boards are disclosed. The universal master boards each have an expansive surface with a graphic design of at least first depressions and second depressions in at least first and second surface regions, respectively. The first depressions simulate a first wood grain pattern, and the second depressions simulate a second wood grain pattern aligned in a different direction than the simulated first wood grain pattern. The universal master boards may be cut and demarcated selectively to establish different assortments of simulated wood patterns and different ornamental features, such as stiles and rails.

Abstract: Systems, including method and apparatus, for processing workpieces driven automatically along a linear path to a plurality of positions disposed substantially along the linear path. In some embodiments, a workpiece may be processed at one or more of the positions using two or more processing stations, such as a first processing station that cuts the workpiece into segments and a second processing station that performs another processing operation on the workpiece.

Abstract: The present invention is a new and novel modular raised wall paneling system and method of manufacture that is economical, labor non-intensive, and can be easily constructed for a variety of room configurations and dimensions. The modular raised wall paneling system of the present invention comprises a plurality of individual panel sections having a joint there between, wherein a panel section includes a recess portion forming the appearance of a raised panel thereon. In a preferred embodiment of the invention the panel sections include along opposed longitudinal edges a tongue and a groove such that the panel sections can be disposed in parallel side-by-side mating relationship such that the tongue of one panel section is received in the groove of an adjacent panel section.

Abstract: A liquid may be aged and infused using a wooden infusion apparatus having grain oriented along a longitudinal axis of a rod. One preferred infusion apparatus comprises machining a grain oriented wooden cylinder into the shape of a spiral having a longitudinal central axis. A preferred method is disclosed for continuously machining wooden rods into spirals, and subsequently toasting them. Another infusion apparatus comprises a plurality of wooden discs connected by a longitudinal central axis in the form of a rod, the wooden discs which are toasted. The present invention allows for more control over the time required to properly age the wine and to impart the wood flavor by giving the producer more control over the amount of wood surface area that is exposed to the wine. The rate of infusion is increased substantially when the wood grain extends along the longitudinal axis of the infusion apparatus.

Abstract: A process for treating wooden logs to prevent cracking and increase durability includes the steps of cutting a longitudinal slot along the length of the log, forming a generally V-shaped notch by drying the log to a desired moisture content, charring the log to a desired coloration, bathing the log in a protective solution, and drying the log. The slot is cut to a point less than or equal to the radius of the log. The charring of the log can be accomplished by the use of a blowtorch.

Abstract: Method for manufacturing floor panels with coupling parts, wherein the contour of this coupling part (6) is composed of at least two portions (18-19), characterized in that the method is applied for manufacturing at least two series (7-8) of floor panels (1), wherein the floor panels (1) in a first series (7) differ from the floor panels (1) in a second series (8) at least in that they have a different thickness (T) and that said two portions (18-19) in said series (7-8) of floor panels (1) are realized globally identical, however, mutually shifted.

Abstract: A method of fabricating a furniture leg is provided which includes the steps of providing a substrate having a thin covering and routing the substrate to provide an outer peripheral configuration having a top side, a bottom side, a left side, and a right side, wherein the top side and the bottom side are each generally straight and converge. The method further includes the steps of routing v-shaped cut-out regions that extend through the substrate, but not into the thin covering, in a substantially straight line from the left side to the right side. Angled surfaces are mitered on the top side and the bottom side. Finally, the method includes the step of folding the substrate having the thin covering about the v-shaped cut-out regions into the elongate article.

Abstract: A method is provided for reconditioning after rehardfacing the wear plates that are used on the mounting face of the knife disc of a disc chipper so that the original dimensions of the wear plate are substantially restored. Also, a wear plate is provided which is reconditioned in accordance with the method. A rear side of the wear plates is machined to incorporate at least one additional groove and into the grooves made on the wear plate rear side are affixed machining allowance strips, whereupon the allowance strips can be machined as required to restore the thickness dimensions of the wear plate.

Abstract: A process for the manufacturing of longitudinal profiles such and tongue and groove on boards wherein the process includes the steps; a) Moulding a substantial part of the profile cross-section by means of milling with a milling tool. b) Fine moulding undercuts in at least the groove of the board by means of broaching utilising at least one broaching tool.

Abstract: Methods and apparatus for distressing a wooden plank give the plank an antique, aged appearance. The preferred method includes four independent steps. The plank is run through an inventive machine operative to impart a random saw blade distressing on the plank. This step is preferably carried out as a single stream in a machine having a plurality of saw arbors, each driven by its own rotating cam. To impart the most random pattern, each cam preferably has a different shape and rotates at a different speed. The plank is preferably fed into a roller having raised portions operative to produce random dents and impressions into the plank. This step is preferably carried out in multiple streams using a machine having a large roller or drum with protrusions affixed thereto. The plank is then fed into a profile sander having one or more wire wheels operative to apply a surface texture to the plank, then sanding and smoothing the plank with abrasive wheels.

Abstract: An apparatus for automatically cutting a drawer slide groove and drilling a drawer-securing pin hole in a drawer with a bottom with a number of edges extending downwardly from the bottom, and a rear wall. The apparatus includes a support, the drawer resting on the support during the cutting and drilling operations; a power saw having a moving blade adapted for cutting a groove in the drawer; a first guide mounted on the support and adapted to engage one of the plurality of downwardly extending drawer edges, thereby positioning the saw blade adjacent the downwardly extending drawer edge; a drill carrier movable in a first direction and a second direction relative to the support; and a power drill mounted in the drill carrier and having a drill bit adapted to drill a drawer-securing pin hole in the rear wall of the drawer.

Abstract: Wooden framework building system consisting of semi-finished industrial product formed of glued boards. The construction according to the invention is made from only two bearing elements forming sill (1), purlin (2), ledge (4) and post (3). The cross-sections of the two bearing elements have each one side of the same size. The sizes for each particular case are determined by the requirements of the projects and plans, the statistical and physical aspects of the construction. To provide for an accurate, undismountable and resistant connection of the construction elements two dowels (9) are used per assembly. The lengths of the construction elements are determined from the module selected for the horizontal, respectively vertical elements.

Abstract: 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. The stud (1) is provided with at least two longitudinal grooves (6, 7) made alternatingly from opposing sides (2, 3) of the stud (1). Each individual groove (6, 7) is wholly open towards that side (2, 3) it was made from. Each groove (6, 7) moreover displays openings (10, 11) in the opposite side (2, 3) and portions (8, 9) with residual material between the openings (10, 11). Each longitudinal groove (6, 7) is thus alternatingly through-going and alternatingly not through-going.

Abstract: A rotatable cutter head comprising an inner hub having a centrally-disposed bore therethrough and an outer surface for carrying at least one cutter plate concentrically thereon for rotation therewith, an outer hub having a centrally-disposed bore therethrough and an outer surface for carrying at least one cutter plate thereon for rotation therewith. The bore of the outer hub is adapted for receiving the inner hub concentrically therein for rotation therewith. An outer pressure-expansible sleeve is provided for being concentrically-mounted within the bore of said outer hub and pressurized for locking the outer hub onto the inner hub. An inner pressure-expansible sleeve is concentrically-positioned in the bore of the inner hub and pressurized for locking the inner hub onto a rotatable spindle, whereby the inner hub and outer hub and the respective cutter plates mounted thereon are locked in fixed, concentric relation relative to each other and to the rotatable spindle.

Abstract: A saw and router assembly (70) preferably including a hand-held rotary saw (50) and a router device (76) having a router bit (52) mounted immediately forward of rotary saw (50) and in alignment with the plane of the saw blade. In one embodiment, separate motors (72, 76) are provided to drive the rotating saw blade (50) and the router bit (52), and in another embodiment a single motor (102) is operatively coupled to drive both the saw blade (50) and the router bit (52). A method of substantially splinter-free cutting of workpieces (14) also is disclosed.

Abstract: A new wood notching system for cutting grooves into wood before the wood is to be cut by a saw. The inventive device includes an elongated throat plate positioned within an elongated opening in a table top saw. The throat plate has a large slotted aperture and a small slotted aperture therethrough. The large slotted aperture receives a saw blade of the table top saw therethrough. A scoring knife is adjustably received within the small slotted aperture of the throat plate. The scoring knife is adjustable in an up and down orientation and a side to side orientation. The scoring knife has a sharpened upper edge and an aperture through a lower portion thereof.

Abstract: The traditional method of carving out an electrical outlet box opening in a log wall consists of chiselling after a series of closely spaced holes are drilled in the log. It is a time consuming and difficult undertaking. An apparatus for quickly and easily cutting a rectangular opening in a log wall is disclosed. The apparatus comprises: a saw jig, having a central opening, for mounting on an upright side of the log wall; a cutting drum having teeth around its periphery; drive means to revolve the cutting drum; and, a guide arm attached to the jig to guide the revolving drum into the central opening. Most preferably the drive means is a chain saw. A method of cutting a rectangular opening in a log wall comprises the following steps: mounting a jig having a central opening and a guide arm, on an upright side of the wall; and, guiding a revolving drum having teeth on its periphery through the central opening into the wall using the guide arm on the jig.

Abstract: A method of making a base for a split jamb for a door frame opening, with the base having a groove for receiving the tongue of a slide of a split jamb, including the steps of providing an elongate panel, making a plurality of parallel cuts in the panel, with the cuts not cutting through the panel, the cuts including a plurality of pairs of slots, with the slots of a pair spaced from each other leaving panel material between the slots of each pair, adhering a stop strip over each pair of slots covering the slots of the pair, and gang sawing the panel into jamb base strips by cutting between the slots of each pair of slots to remove the panel material between the slots providing individual jamb base strips. The method wherein the step of making parallel cuts includes making a plurality of notches spaced from each other by the pairs of slots, and wherein the step of gang sawing includes cutting through the panel at each of the notches.

Abstract: A veneer lathe is provided with back-up rolls modified to include serrating knives to effect cutting a log longitudinally at predetermined circumferentially spaced apart intervals to define the width of wood strands, and also to include scribing cutters to effect cutting a log circumferentially at longitudinally spaced apart intervals to define the length of wood strands, whereby when the log is rotated past the peeler knife of the lathe, the thickness of wood peeled from the log breaks apart into a multiplicity of vertical grain strands of predetermined length, width and thickness.

Abstract: Square inside corners are formed in raised panels from a single workpiece to be used in the manufacture of cabinetry, furniture and the like. A machine with a rotatable spindle provides the drive for the square corner forming tool bit. The tool bit is mounted on a support that translates the rotary motion of the spindle to a reciprocating motion of the tool bit. The tool bit has a pair of side wall surfaces that are displaced at an angle equal to one half the angle formed by the corner, relative to the line of travel of the tool bit. The lower edges of the side wall surfaces are formed with cutting blades, ridges, or abrasive surfaces or, alternatively, the bottom wall surface of the tool bit is formed with such cutting edges.

Abstract: An automatic machine for performing framing operations on a power pole. The machine is controlled by a programmable logic control and interchangeable programs are provided to control the operation of the machine according to a pole frame specification. Poles to be framed are received on a primary conveyor. The poles are sequentially scanned for length and position and are transferred in sequence to a longitudinal feed station where the poles are oriented on a first set of supports. An end of the pole is clamped to a movable carriage to maintain the pole orientation. The pole is fed through a movable rotatable tool ring either by movement of the pole clamp carriage or movement of the tool ring. The tool ring supports tooling to perform the framing operation on the pole. The programmable logic control coordinates the movement of the pole clamp carriage, the movement of the tool ring and the rotation of the tool ring to position the tools in the proper relation to the pole.

Abstract: A pocket joint cutter system for forming a pocket cut and fastener bore into a workpiece. The pocket cut and fastener bore receives a fastener such as a self-tapping screw which passes through the bore and into a second workpiece for forming a Joint between the two workpieces. The head of the fastener is held within the pocket cut in order to secure the joint. In one preferred form of the present invention, a workpiece system secures the workpiece in a predetermined position and forms the pocket cut and fastener bore into the workpiece. This preferred embodiment further comprises a bench-mounting system coupled to the workpiece system for securing the system to a bench. Using this embodiment of the present invention, the system can be mounted to a bench, and the workpiece can be brought to the system and held in position while the user forms the pocket cut and fastener bore.

Abstract: A method of continuously processing chopsticks (35), the outer shape of which is defined by two mutually parallel surfaces and two opposing, plane, oblique surfaces (5, 6) inclining towards one another by the same inclination seen relative to a common plane of symmetry. The chopsticks (35) are advanced in the longitudinal direction while passing pairs of processing implements (37, 38 and 39). During the advancing movement, one oblique surface (5) of the chopsticks (35), the common longitudinal plane of symmetry, and the second oblique surface (6) are aligned one by one substantially parallel to a common plane of alignment (50) extending in the direction of advance (36) and are processed by a pair of processing implements (37, 38 and 39) associated with each aligning position. The advance is carried out by continuously rotating friction rolls (8 to 34) engaging the mutually parallel surfaces of the articles.

Abstract: A decorative trim panel having a frame built up of individual frame members joined together in an end-to-end relationship to provide a frame or frame assembly. The frame is provided with a channel in the inside lower edges which accepts a second panel.

Abstract: Converted log structural products are produced from conventionally unusable or marginally useful sections of logs transversely cut into suitable lengths and then cut longitudinally by perpendicular cuts into log parts of either right-angled sector or right triangle cross-section. Four log parts matching in size and shape, and positioned so that their right angles form the corners of a rectangle, are assembled into a converted log, the interior space between the four log parts being filled selectively with braces, supports, insulation, concrete for various applications.

Abstract: A substantially uncurved and unwaved plywood includes at least one pair of veneers located symmetrically with respect to a middle of a thickness of the plywood and having unstraight grains which coincide with each other.A method for producing a substantially uncurved and unwaved plywood comprises locating at least one pair of veneers with identical unstraight grains in a pair of positions symmetrical with respect to a middle of a thickness of a plywood to be produced, in such a manner than the grains of the veneers coincide with each other.

Abstract: A woodworking machine for end machining for frame timbers comprises a work table (2), a saw unit (7) with a horizontal saw axis and a moulding unit (8) with vertical moulding spindle. These two units (7, 8) are movable relative to the work table (2) in the direction (S) of the saw plane. A graduated fence (12) is provided, pivotal relative to the work table (2) and adapted to be fixed, with a length stop (22) adjustable by means of a millimeter scale (23). A pivotal bearing (15) containing the vertical pivot axis (13) of the graduated fence (12) is arranged on a support frame (14) connected to the work table (2) above the working region of the circular saw blade (9) and the moulding cutters (11). This pivot axis (13) is arranged in the vicinity of the line of intersection of the saw plane (S) and the vertical plane running through a vertical fence surface (12a) of the graduated fence ( 12).

Abstract: A cutting station comprising a bed; a work surface supported on the bed; a carriage traveling along the longitudinal axis of the bed by virtue of a first motor; two cutting members connected to two second motors; and a structure supporting the cutting members and second motors, and designed to travel, by virtue of actuators, along vertical slideways supported on the carriage, and to be carried by the carriage during traversing of the same. The bed comprises two fixed parallel beams supporting the work surface, and a first of which also supports two horizontal slideways for supporting and guiding the carriage. The center of gravity of the second motors lies within the space defined between the horizontal slideways.

Abstract: Flat multi-layered work pieces, such as panels with a decorative or finish surface coating (5), are prescored and cut through by the same saw blade to avoid damage to the surface coating. For this purpose a circular saw (1) is guided along a guide rail (7) and its saw blade (4) is adjustable to a prescoring depth and to at least one lateral prescoring position to make a first prescoring cut only through the cover layer (5) in a sawing direction in synchronism with the blade rotation direction. If necessary, the blade is adjusted to a second lateral prescoring position to make a second prescoring cut only through the cover layer (5) in a cutting direction in synchronism with the blade rotation. Finally, the saw blade (4) is adjusted to its full cutting depth and to a lateral position between the two prescoring positions and a full cut is made through the entire work piece (6) in a sawing direction counter to the rotation direction of the saw blade.

Abstract: The method of converting logs involves cutting each log longitudinally and diametrically at right angles into equal quarter-log segments, the rearranging the quarter-logs so that the arcuate surfaces of the segments face inwardly toward each other, while their cut flat surfaces are positioned to form a rectangle in cross-section. The segments so positioned may be joined together as such, rigid foam plastic insulation may be introduced into the space remaining between the segments, or support bracing and other insulation may take the place of the rigid foam. The resultant converted logs may be used as beams, joists or bearing-wall members; devices for aligning, registering and sealing the converted logs together are provided.

Abstract: A hand tool useful in forming a pocket mortise in the surface of a workpiece proximate an edge of the workpiece. The hand tool includes a clamping assembly for releasably clamping the tool to the workpiece, and a router carried by the clamp assembly and mounted for manual displacement toward the workpiece edge at an incline to progressively cut deeper into the workpiece and form an inclined pocket mortise. The hand tool also preferably carries a drill bit guide on the clamp assembly which is formed to receive and guide a drill bit from a hand drill for drilling a bore from the workpiece edge to the mortise. A method of forming a pocket mortise including the steps of clamping the clamp assembly with a movable router to a workpiece, routing the pocket mortise and then drilling a hole to the pocket mortise from the edge of the workpiece by a hand drill also is described.

Abstract: A woodworking machine, especially grooving machine, including spindles that carry working tools, especially cutter heads, and also including at least one feed unit via which pieces of wood that are to be worked are transported through the machine in a direction of transport. The machine also has at least one carrier that can be shifted transverse to the direction of transport of pieces of wood through the machine and that carries two of the working tools, with these two tools being selectively shiftable via the carrier into an operating position and a rest position.

Abstract: 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. The bolts are then cut in half, or in quarters, longitudinally to produce bolt sections which are, in turn, cut into boards having a preselected thickness. A plurality of longitudinally oriented grooves are then cut into the upper and lower surfaces of the boards to give the surfaces the appearance of being hand split, and the boards are cut diagonally from end to end to produce a pair of shakes which decrease in thickness from their first end portions to their second end portions. In order to achieve the desired wood colorization the shakes are then placed in a pressure treating chamber and a first vacuum is generated in the chamber for a preselected time period in order to draw a liquid pigment into the chambers.

Abstract: The hub (3) of the circular or disc-saw is supported, at the end adjacent to the saw, by at least one swingable radial bearing (6), while at the opposite end, driven for rotation by the pulley (28), the hub is supported by a servo-control (10-12) by which the axis of the hub can be maintained in line with the axis of rotation or said axes can be spaced apart angularly by rotation about a common point thereof, whereby the teeth of the saw will have a composite rotational movement and symmetrical side oscillation, with a frequency proportional to the rotational speed of the saw and with an amplitude proportional to the spacing of the axes and to the radius of the saw. The saw is used to score the panels which are subsequently cut through by the saw while being driven only in rotation.

Abstract: An apparatus for mitre cutting an elongated moulding to produced a mitred end, and for cutting a groove in the end comprises a frame having longitudinal and lateral extent, and a laterally elongated table on the frame to receive and support a first portion of a moulding extending longitudinally; a first clamp on the frame for clamping the moulding to a first portion of the table; a first carriage supported by the frame to travel laterally back and forth, relative to the table; a first rotary disc cutter and a drive therefor supported on the carriage for cutting the clamped moulding laterally therethrough to produce the mitred end, as the carriage travels laterally; and a first router and a drive therefore supported by the carriage for laterally penetrating the mitred end of the moulding as the carriage travels laterally, for cutting the groove in the mitred end.

Abstract: A wood cutting machine having a first saw blade adapted to cut a horizontal groove in a wood member, a second saw blade adapted to cut a vertical groove in the wood member, motive means for moving the saw blades selectively into engagement with the wood member, and clamp means automatically operable before operation of the motive means for holding the wood member in place during a cutting operation.

Abstract: A woodworking machine comprising one or more sets of parallel rotating blades positioned in or above a flat worktable surface such that multiple sets of parallel grooves of a controlled depth can be cut into a wood block moved over the table surface and above, below or between the rotating blades. The product produced by the machine is of a unitary construction comprised of multiple wedge shaped shims held together by a breakable membrane between the shims.

Abstract: A woodworking machine comprising at least one tenoning-and-mortizing spindle associated with a length-cutting device and a pivoting roller table consisting of a roller carriage and an associated table plate receiving the workpiece and pivoting about said carriage around a vertical axis is designed in such a manner that in spite of the pivotability of the roller table or of its table plate the same length of the oblique window wood will be obtained in any angular position of said roller table or its table plate. For that purpose the invention provides that the vertical pivot axis of the roller table or its table plate be located on the straight line of intersection between two parallel planes of which one is parallel to the direction of advance of the roller table and includes that side of the saw blade of the length-cutting device which faces the workpiece, whereas the other plane includes one of the two longitudinal sides of the workpiece, the two planes subtending an angle >90.degree.

Abstract: An improved log (10) for interlocking with other logs (10) for the construction of log structures, and an associated fabricating process. The log (10) comprises an elongated body (12) having first and second opposite end portions (14 and 16), a top portion (18) and a bottom portion (20). At least one downwardly oriented saddle notch (34) is provided in the bottom portion (20) of the body (12) for closely receiving the top portion (18) of another log (10). Each saddle notch (34) defines an interior surface (40) carrying at least one tongue (42), and above each saddle notch (34) at least one groove (44) is provided in the top portion (18) of the body (12) for closely receiving the tongue (42) of another log (10) such that a plurality of logs (10) can interlock to form strong, well insulated corner joints.

Abstract: A method and an apparatus for continuously processing and packing elongated articles such as coherent pairs of chopsticks include continuously advancing the articles in the longitudinal direction in a track and centrally aligning the same during the continued advancement. The alignment is performed during the processing by means of one or more processing implements by means of uniform centering rolls operating from their respective sides of the plane of symmetry of the articles. These centering rolls are biased by a uniform spring tension. Subsequently the articles are continuously advanced in the transverse direction by means of transverse conveyor means to a bundling device. In the bundling device the articles are situated in layers and collected in a bundle of articles subsequently wrapped in a sheet material in a wrapping device.

Abstract: The apparatus for notching pallet stringers comprises a skid surface over which the stringers are caused move, the stringers are held down against the skid surface so that rotary cutting knives can form the notches. The apparatus is provided with a conveyor mechanism for orienting the stringer members in proper positions to encounter the rotary cutting knives regardless of the position when first placed in a crib for the conveyor. The apparatus includes a pusher device to feed stringers into the rotary knives so that the stringers are bunched up for the purpose of using stringers to support each other as they are pushed over the skid surface into the rotary knives.

Abstract: Proposed is a furniture front element like a cabinet door, of which the frame leg members are joined in mitre cut and without any screwed connection. The lengths of the leg members are infinitely adjustable and the frame filling pieces are designed as a storage means in order to be able to change the front surface of the element to the desired extent.

Abstract: A piece of board stock is advanced on a conveying table between a pair of milling units mounted about and below the table. Each milling unit comprises at least one milling tool having a pair of spaced rotary cutting blades and a profiling tool of lesser diameter than these blades sandwiched therebetween. For each pair of blades on the upper milling unit, there is a corresponding pair of blades on the lower milling unit disposed in coplanar relation therewith. Each pair of blades is so dimensioned as to cut at least halfway, but not all the way, through the piece of advanced board stock, and each profiling tool is so dimensioned as to profile the adjacent surface of the board stock. In this manner, a piece of advanced board stock is simultaneously cut into a plurality of slats having opposed profiled edges, and this is done in a single pass.

Abstract: A method and an apparatus are disclosed for cutting pairs of symmetrical bevels on opposite sides of halving joints used for windows, doors, and the like, and a groove-like recess on a third side of the workpiece. The first pair of bevels is cut on one side of the clamped workpiece by moving the cutting tool in a horizontal direction over and across the workpiece; then, the workpiece fastened within the clamping device is turned 180.degree. over the operation path of the grooving tool, which cuts the recess automatically during this turning operation. Subsequently, the tool is moved in the opposite direction into the starting position as it cuts the pair of bevels into the second, opposite side of the workpiece, and finally the workpiece is turned back into the starting position.

Abstract: A machine for forming a smooth surface on a cylindrical log workpiece as it is moved longitudinally past a cutting station which includes both shaping and planing blades. The same cutting pass also includes a cove cutting operation to cut a longitudinal cove cut on the surface of the log workpiece and a plurality of transverse saddle cuts across the log workpiece.

Abstract: A rotary cutting tool with at least a first set and a second set of teeth attached to a power router for cutting a joint component consisting of at least two tongues and at least two grooves alternating with the tongues in the end, edge or at the side of a piece of construction material. The distance between the two sets of teeth is equal to the width of the second set of teeth. The depths of the grooves are governed by a spacer positioned between the first and second sets of teeth.

Abstract: A machine for manufacturing drawer sides in a continuous operation from a strip of wood. A machine with opposed edge cutters for shaping the outer edges of the strip, a slitting unit for cutting the strip into two strips and for cutting grooves in each strip, and opposed sanding units for smoothing the outer edges. A pair of slitting units with different saw blade settings for producing different drawer sides, and a mechanism for introducing one slitting unit or the other into the overall machine for rapid change of product configuration.

Abstract: A machine and method for cutting notches with rounded inner corners in wood pallets. The completed notches are made in one pass through the machine as the pallet passes over three successive stages of cutting. The first stage makes six vertical cuts for each notch, the inner four cuts to the depth of the notch and the outer cuts decreased in depth by the radius of the rounded corner and the outer cut being laterally separated from the adjacent deeper cut by a distance also equal to the radius of the rounded corner. The second stage, with a horizontal cut removes the wood between the inner four cuts and the third stage cuts out the rounded corner with a horizontally positioned radius cutter.

Abstract: A method of processing and producing crack free logs by making a saw cut along opposite longitudinal side portions of a log immediately after harvesting and thus curing the log, without debarking, in a shaded, ventilated air space so that any cracks will be concentrated along the saw cuts. When a finished appearance is desired, a groove is formed along the opposite side portions of the log in registry with the saw cuts and a spline or strip of wood is inserted in each groove so that it projects beyond the periphery of the leg with the spline or strip being secured in the grooves by glueing or the like. The peripheral or exterior portion of the spline or strips is peeled or cut off so that the resulting surface is contiguous with the peripheral surface of the log.

Abstract: The method of converting logs involves cutting each log longitudinally and diametrically at right angles into equal quarter-log segments, the rearranging the quarter-logs so that the arcuate surfaces of the segments face inwardly toward each other, while their cut flat surfaces are positioned to form a rectangle in cross-section. The segments so positioned may be joined together as such, rigid foam plastic insulation may be introduced into the space remaining between the segments, or support bracing and other insulation may take the place of the rigid foam. The resultant converted logs may be used as beams, joists or bearing-wall members; devices for aligning, registering and sealing the converted logs together are provided.