Abstract: Method for installing a hollow concrete tower comprising the following steps: a) arranging a platform on a site; b) arranging on said platform at least one partial full-segment mould in a position such that the segment axis of the segment being cast in said mould is substantially vertical; c) pouring concrete inside said arranged partial mould(s); d) allowing the poured concrete to set to working strength, generating corresponding segment(s); e) removing the arranged mould(s) with concrete set to working strength, to leave the corresponding segment(s) exposed; f) assembling said corresponding exposed segment(s); and g) optionally, repeating steps b)-f) at least once.

Abstract: A composed element includes at least two panel-shaped elements, which each have an edge zone in which coupling means are present in a profiled part respectively extending in the longitudinal direction of the respective edge zone, and each including an end face extending transversely to the respective edge zone. The profiled parts allow the coupling of the panel-shaped elements together in an interlocking manner. At least one of the panel-shaped elements includes an arrangement which hides from view at least a portion of the profiled part formed at the pertaining edge zone at the location of the end face.

Abstract: A neck joint for an electric guitar, comprising an elongated protrusion with rounded corners fitting into a similar-shaped pocket with similarly rounded corners, which creates a strong enough connection between the neck and the body that the neck no longer requires a heel, improving the range of the guitar and the sound of the instrument.

Abstract: A deck connector for coupling deck boards is disclosed. The deck connector comprises a frame comprising holes and first openings. The first openings are provided near ends of the frame. The deck connector further comprises an arm extending over the length of the frame. The arm is coupled to the frame perpendicularly. The arm comprises a plurality of cut sections provided in axis with the first openings at the frame. The arm and frame are used to couple and secure the deck boards.

Abstract: A tenon groove connecting structure of a front frame and a side panel for a cabinet comprising a front frame and a side panel is disclosed. Wherein, a dovetail groove is formed in an inner edge of the front frame, shoulder grooves are formed in both sides of an opening part of the dovetail groove, and an inner part of the dovetail groove is shaped as inverted trapezoid, and a gap is reserved between at least one side face of the shoulder groove and a corresponding side face of the side panel, and the depth of each shoulder groove accounts for ?-½ of the depth of the dovetail groove and the width of the gap is 0.5 -2 mm.

Abstract: A floor joist including a first piece of lumber including a first set of fingers and a first set of grooves is provided. A second piece of lumber including a second set of fingers and a second set of grooves is also provided. A finger joint is formed by a combination of the first second of fingers with the second set of grooves and a combination of the second set of fingers with the first set of grooves. A first set of pockets are formed between the combination of the first second of fingers with the second set of grooves, and a second set of pockets are formed between the combination of the second set of fingers with the first set of grooves.

Abstract: A method for forming a bevel cut at an end of a wood member is disclosed. A wood member is placed on a support table and a plurality of cutters mounted on and spaced along a shaft extending in parallel to the end of the wood member on the table is moved relative to the table in a direction inclined with respect to the wood member thereby to make a first cutting to form a plurality of bevel cuts. The support table is shifted in the direction parallel to the end of the wood member and a second cutting is made by the relative movement between the cutters and the table. During the first and second cutting, the wood member is pressed against the support table by a pressing member at a position adjacent to the end of the wood member and between any two adjacent cutters.

Abstract: In some embodiments, a durable solid-wood door or other rigid block assembly includes two generally-planar, mutually-parallel solid-wood boards each having a plurality of mutually-parallel dovetail-connection channels running generally along an internal surface of each of the boards, and a solid-wood central keying structure disposed between the two solid-wood boards. The central keying structure includes a plurality of two-sided sliding dovetails keys sized to slide within the dovetail-connection channels to secure the two-mutually-parallel solid-wood boards to each other via sliding dovetail connections to the central keying structure. Alternating wood grain orientations may be used to reduce warping. Each board may include multiple laterally-adjacent monolithic slabs interconnected via tongue-and-groove edge connections, with the dovetail connection channels extending across multiple slabs.

Abstract: A twin beam shelf including a wood grain support structure defining a first major surface, a second major surface and longitudinally spaced front and rear edges with a rabbet extending along the front and rear edges. The front and rear wood grain beams are configured and arranged for cooperatively engaging the front and rear edges of the support structure to form a flush adhesive joint. The front and rear wood grain beams either extend laterally beyond the second major surface of the support structure or are flush with both surfaces of the support structure.

Abstract: A joint system having a flexible spring located in a horizontal groove of a panel, the spring having an inner flexible part and being displaceable horizontally in the groove.

Abstract: A bamboo scrimber includes a plurality of pressure-pressed bamboo strips impregnated with an adhesive and modified through heat-treatment. Each of the bamboo strips is formed with a plurality of slots penetrating through the bamboo strip substantially in a direction of thickness defined by the bamboo strip. A substantially longitudinal direction defined by the slots is substantially consistent with a substantially longitudinal direction defined by fibers of the bamboo strip.

Abstract: A monocoque furniture assembly and method of manufacture is provided that utilizes modular wood segments connected by interlocking mating joints that are self-registering for ease of assembly and elimination of the need for special assembly tools. The monocoque structure achieves structural integrity with much thinner sheet material. The system can further include a series of reinforcing struts, trusses, ribs and doublers where required that distribute loads as well as a labeling protocol identifying mating assembly points and orientation thereby eliminating the need for lengthy assembly instructions, special skill or training.

Abstract: A method for assembling massive parts that are useful for building wooden chalets or houses including timbers that are built in two by two, three by three, or four by four, connected through dovetailing, and, optionally, by gluing them together, to obtain massive laminated timber blocks. These massive laminated timber blocks can be filled to form panels. This method improves a process for forming massive wood parts, where assembling the timbers in the form of dove-tails allows the production of several depths without any limitation of length, since the additions are achieved according to an arrangement in quincunx.

Abstract: A method of adjoining a pair of workpieces together comprising forming a mortise on one of such workpieces and a tenon in the other workpiece wherein one of the mortise and tenon is provided with diverging surfaces along the length thereof, inserting the tenon into the mortise and displacing one of such workpieces relative to the other of the workpieces along a line of travel parallel to the length to the mortise to cause the diverging surfaces of one of the mortise and tenon to engage the surfaces of the other of the mortise and tenon thereby positioning the workpieces relative to each other.

Abstract: A finger joint in a joint assembled of at least mainly woody parts (1, 2), such as sawn timber, glued wood, plywood, fiberboard, LVL, LSL, comprises at least one finger. The finger shapes needed complementarily have been milled with a cutting tool, such as a milling curser, to the both parts (1, 2). The height of at least one complementary pair of fingers varies along the length of the interlocking finger pair.

Abstract: A laminate of laminae of uniform rectangular cross-sections or depths and lengths arranged randomly or otherwise in the laminate, such laminae having been derived from a feedstock comprising a population of logs (single or multigrade) wherein the population of laminae comprises all of the laminae that can be derived from the population of logs (exclusively only of laminae or material for laminae that are not of acceptable rectangular cross-section and/or length), and where each cross-section of each laminae represents a maximum of one thirtieth of the log cross-section, or the thickness of each lamina represents a maximum of one fifteenth of the small end log diameter.

Abstract: A method of joining a plurality of elongate log members using mortise and tenon joinery includes the step of forming mortise sockets in the log members at a controllable depth relative to a longitudinal central axis of the log members. Log members having tenons formed thereon for connection between two mortise bearing log members can thus be standardized and interchangeable with one another even when an outer surface of the log members is irregular in profile. A device for forming mortise sockets and tenons on log members in a reproducible manner includes a pair of work holders which define a longitudinal axis of the log member. A mortise cutter and a tenon cutter are supported for movement relative to the work holders for controllably forming the mortise sockets and tenons in a log member relative to the longitudinal central axis of the log member.

Abstract: A wood plank which is dimensionally stable and moisture resistant includes a sealant layer on at least four of its sides. A geometric variation (e.g., tongue and groove) may be located on at least one side of the dimensionally stable wood. The sealant layer may be applied to the tongue and groove as well. A method for manufacturing the dimensionally stable wood is also described.

Abstract: A method for manufacturing an armrest includes making a plurality of core sections. Each core section is formed by bonding a plurality of waste pieces of high-quality wood together. Each of two adjacent ends respectively of two adjacent core sections is machined to provide a serrated coupling face having a plurality of grooves and a plurality of protrusions. The core sections are bonded together to form a core having a desired length by applying adhesive to the serrated coupling faces. A plurality of upper boards made of the same material as the core is bonded to a top side of the core. A plurality of lateral boards made of the same material as the core is bonded to each of two lateral sides of the core.

Abstract: A method of forming a joint between first and second workpieces generally consisting of forming a recess in one of such workpieces, provided with at least one side wall having a serrated cross-sectional configuration with inwardly projecting, distortable segments; providing a portion in the other of such workpieces, insertable into such recess, having a cross-sectional configuration sufficient to engage and distort such segments as such portion is inserted into such recess; and inserting such portion of the other workpiece into such recess, causing the segments to distort and thus provide an interference fit between such workpieces.

Abstract: A laminate of laminae of uniform rectangular cross-sections or depths and lengths arranged randomly or otherwise in the laminate, such laminae having been derived from a feedstock comprising a population of logs (single or multigrade) wherein the population of laminae comprises all of the laminae that can be derived from the population of logs (exclusive only of laminae or material for laminae that are not of acceptable rectangular cross-section and/or length), and where each cross-section of each lamina represents a maximum of one thirtieth of the log cross-section, or the thickness of each lamina represents a maximum of one fifteenth of the small end log diameter.

Abstract: A corner protector can be mated with an article of furniture having a corresponding notch. The corner protector can include a body having an upper surface, a lower surface, a first side, a second side, and a blunted corner. Generally, in the mated configuration the blunted corner is oriented outwardly, thus providing a rounded surface that can reduce injury in the event of an impact with the article of furniture.

Abstract: The present invention relates to an apparatus and processing method for drying lumber, for example two-by-four studs in an environment in a kiln in a manner to avoid warping, including crook, bow, cup and twist. The lumber pieces are stacked in a normal manner with stickers for providing air flow between courses of the lumber pieces, and the stack is dried while a horizontal force is provided to the respective courses of lumber in the stack to hold the individual pieces of lumber in edge to edge contact throughout the drying, equalizing, conditioning and cooling process for first drying of lumber, redrying of lumber or in a treatment process for removing warp from previously dried lumber. A vertical force comprising a weight or other force generating device can be also applied to the stack of lumber to augment the overall reduction in warpage if so evidenced.

Abstract: A joint between wood pieces, such as between timber, laminated timber, LVL, plywood etc., includes one or more bars forming a diagonal of a truss. A side of another bar forms a truss chord. The bars are connected to each other by a finger joint. The truss chord is asymmetrically.

Abstract: A method of forming an assembly including a first workpiece having a surface provided with a mortise and a second workpiece provided with a tenon inserted into the mortise joining the workpieces together in which the second workpiece is disposed in a certain orientation relative to the first workpiece to provide a certain disposition of the workpieces when joined together, generally consisting of providing identifying marks on the surface of the first workpiece and the tenon of the second workpiece at locations assuming a certain disposition when the second workpiece is disposed in a certain orientation and the tenon is registered with the mortise; positioning the second workpiece relative to the first workpiece wherein the second workpiece is disposed in the certain orientation relative to the first workpiece, the tenon is registered with the mortise and the marks are disposed in the certain mark disposition; and displacing the second workpiece toward the first workpiece and inserting the tenon into the mort

Abstract: A modular louvered shutter includes first and second stiles and a center section assembled using a tongue and groove joint. The center section is a solid piece have a plurality of rails and louvers cut into the center section.

Abstract: The invention proposes a wooden lattice girder 1 for construction comprising an upper chord 4 and a lower chord 5, connected to each other by struts 2, having tenons 7 each at the ends thereof, wherein the tenons 7 at one end each of the struts 2 are glued into mortises 9 on the upper chord 4, running in the longitudinal direction of the upper chord 4, and the tenons 7 at the other end of the struts 2 are glued into mortises 9 on the lower chord 5, running in the longitudinal direction of the lower chord 5. The lateral surfaces 12 of a respective mortise 9 running in the longitudinal direction thereof encompass an acute angle and the surfaces 10 of the tenon 7 glued to said lateral surfaces 12 of said mortise 9 encompass a corresponding acute angle.

Abstract: A floor planks production method, for producing wood flooring from raw lumbers, by surfacing top and lower faces of the lumbers to a final thickness of the lumbers; optimizing the lumbers along a length thereof to determine lengths of best faces; and profiling edges of the optimized lumbers. The system comprises a surfacing unit processing both top and lower faces of each lumber to final dimensions; an optimizing unit receiving lumbers from the surfacing unit; and a profiling unit processing edges of each length of best faces positioned by the optimizing unit.

Abstract: A laminated wood bat having may comprise wedges of wood adhered together in such a manner that the entire surface or sections of the surface of the bat barrel, throat, and handle have the tight grain of the normal hitting surface. Adjacent wedges of wood may be cut from the same strip of wood. The bat may be glued together with a low viscosity polyurethane adhesive.

Abstract: A joint between wood pieces, as of timber, laminated timber, LVL, plywood etc., where one or more bars (2, 3), as the diagonal of a truss, is connected the side of other bar (1), as the side of the truss chord whereby in the produced joint all said bars are connected to each other by a finger joint. From chord (1) wood is cut either so that asymmetrically from the one side less is cut than from the other side or so that from the middle less is cut than from the ends.

Abstract: A rotating tool for simultaneously deburring two surfaces of a workpiece is disclosed including a rotatable shaft having a first end and a second end with a first deburr surface on the first end facing towards the second end and having a first angle. A second deburr surface is formed between the first end and the second end facing towards the first end and having a second angle. The distance between a first mid-point of the first deburr surface and a second mid-point of the second deburr surface is substantially equal to a width of the workpiece.

Abstract: A corner leg assembly comprises two grooved mating elements divided longitudinally which when held together form the female groove portion of two dovetail joints, one on each side facing laterally 90 degrees apart. One of the corner elements is a substantially triangular corner leg having perpendicular outside surfaces and parallel lengthwise L-shaped grooves on a 45 degree inside surface. The second element is a clamp block which includes opposite-facing L-shaped side grooves corresponding (being the mirror image thereof) to the grooves on the corner leg. The clamp block is affixed down the middle of the corner leg along the inside surface by one or more clamping fasteners such as a screw or bolt which passes through the clamp block. By turning the fastener(s), the clamp block may be loosened or removed to vertically adjust a laterally-extending panel or rail member.

Abstract: A method for making the core of a door of autoclaved aerated concrete (AAC). A billet of AAC is provided from which slabs are cut to the approximate dimensions of the door core. A reinforcing band is secured about the perimeter of a slab. The thickness of the slab is then sized for the door core as by sanding. The door is finished by applying skins to the core surfaces and trim to the reinforcing band.

Abstract: A method for making a laminated cross lumber beam comprising the step of stacking elongated wood members and bonding adjacent longitudinal faces thereof along a bonding plane to form intermediary beams. The method further includes a step of selecting intermediary beams having a width greater than a predetermined value and cutting them lengthwise perpendicularly to the bonding planes such as to form panels. The panels and uncut intermediary beams then form sub-beam elements. The method also includes a step of bonding at least two sub-beam elements together side by side to form the laminated cross lumber beam. This method is simplified by the use of small wood members which eliminates the need to cut the intermediary beam to form the sub-beam element. It requires a minimum of steps, thus minimizing costs. The product of this method is a beam with optimized mechanical properties and visual appearance.

Abstract: An apparatus and method for simultaneously pressing together longitudinally a plurality of individual strips of wood, each strip being provided with a finger joint at each end. The strips are jointed end to end in a number of rows to form a floorboard. The apparatus includes a mechanism for simultaneously applying longitudinal pressure to each of the rows of wood strips during the curing process. The resulting floorboard is mechanically improved, has greater protection against humidity and increases the fatigue resistance of the floorboard, which can be used for trailer floors or the like.

Abstract: Methods for forming structural beams and the beams resulting from such methods are disclosed. The disclosed methods compress and adhesively bond wood strands into beams. A beam formed from any one of the disclosed methods may, if desired, have any one of several disclosed shapes, strand configurations, or strand densities.

Abstract: A method of manufacturing glued laminated wood such as laminated veneer lumber (LVL) is disclosed. The glued laminated wood is made of a number of wood sheets such as veneer sheets which are laminated together by a hot press with a thermosetting adhesive into a continuous length of multiple-layered board wherein the end joints of the wood sheets are disposed in a staggered array. There is provided an initial base material having an end which is shaped in the form of a flight of steps including a series of alternate horizontal surface having a lengthwise dimension smaller than the length of the wood sheet and a vertical surface having a height corresponding to the wood sheet thickness, and the glued laminated wood board is formed extending from the end of such initial base material. The hot press includes a pair of heat plates each having an effective pressing area capable of covering the entire surface of the wood sheet.

Abstract: An embodiment of the connection system is for connecting a plurality of components together. One embodiment of a method of the system provides a dowel having first and second portions. Each of the portions has first and second ends, the first and second portions being connected to one another at their second ends. At least one portion of the first and second portions has at least three dowel sections of successively decreasing diameters. One of these dowel sections has a side wall and an end wall that forms the first end of the at least one portion and each of the other dowel sections has a side wall and step wall. A first component has a first opening configured to substantially fit the first portion, and a second component has a second opening configured to substantially fit the second portion. An adhesive material is then applied on at least part of the first portion, and the first portion is inserted into the first opening in the first component.

Abstract: An apparatus and method for simultaneously pressing together longitudinally a plurality of individual strips of wood, each strip being provided with a finger joint at each end. The strips are jointed end to end in a number of rows to form a floorboard. The apparatus includes a mechanism for simultaneously applying longitudinal pressure to each of the rows of wood strips during the curing process. The resulting floorboard is mechanically improved, has greater protection against humidity and increases the fatigue resistance of the floorboard, which can be used for trailer floors or the like.

Abstract: A method for manufacturing bamboo stats uses high quality window blinds. The method comprises the steps of slicing and smoothing, streaming and boiling, drying, further smoothing, assembling, and cutting. Through a refinement process with chemical substances, the bamboo slats can be a pressure-resistant, moisture-proof, and insects-proof product. The processed bamboo slats are manufactured by an integrated operation of mass production so as to form a high quality bamboo window curtains with a lower cost.

Abstract: Machine for profile working of front surfaces on oblong wood workpieces resolves the problem of simple, accurate and fluent or continued working of workpieces front surfaces of various lengths and intersections, and the machine is of a compact construction. It is characteristic by the construction of the entrance turnover device transversely placed between longitudinal conveyors with carriers, which has on the periphery of rotating wheels constructed movable bearing couplings, and by them fixed guiding plates with the groove inside which there are movably inserted guided bearings of bearing couplings. In the area of the entrance turnover device there are placed under an optional angle the oblique roller conveyors, inside which there are flexibly and circularly movably inserted rolls.

Abstract: The process is used for making individual wood boards (52) from a plurality of wood pieces (10). In this process, wood pieces (10) of similar length and are joined side by side so as to form a panel (30). The panel (30) is then cut in a longitudinal direction with reference to the wood pieces (10) into panel sections (40) having a similar width. These panel sections (40) are jointed end to end to form a continuous wood board (50), which is then cut into individual wood boards (52). This process allows to manufacture wood boards (52) with a high degree of structural integrity and dimensional stability. It also allows to efficiently use small wood pieces (10) that could have been considered otherwise waste or low-grade materials, thereby increasing the yield of the sawmill.

Abstract: Methods for forming compressed and adhesively bonded structural beams of strands divided from wood waste, and the beams resulting from such methods, are disclosed.

Abstract: A sawing apparatus for cutting dove-tail notches in boards includes at least one saw for cutting one or more back cuts of the dove-tail notch and at least one saw for cutting one or more head cuts of the dove-tail notch. The head saw is configured to be able to cut head cuts that are angled both with respect to a horizontal plane and a vertical plane that is generally parallel to one of the sides of the board. This type of head cut creates a Scandinavian or Finnish dove-tail notch. The sawing apparatus may be mounted on a towable trailer, may include a generator for powering the saws, and may utilize band saws for cutting the dove-tail notches.

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: A building board which is provided on the surface thereof with a concave and convex pattern, and opposite sides thereof with overlying rabbeted portions (2-1, 6-1, 6-2) and underlying rabbeted portions (3-1, 3-2, 5-1), respectively, wherein each overlying rabbeted portion (2-1, 6-1, 6-2) is constituted by one end portion of the convex portion (2, 6) of said pattern; each underlying rabbeted portion (3-1, 3-2, 5-1) is constructed to have an area bigger than the area of corresponding overlying rabbeted portion (2-1, 6-1, 6-2) bearing said convex portion and formed on the opposite side; and each of said opposite sides is provided on the rear side thereof with a linear contact surface (7-1, 7-2).

Abstract: A method of producing the floor-bridging units, which increases production rate of the floor-bridging units. First rough lumber beams are fed through a planer, which planes the lumber to the required consistent size tolerance. The planed lumber is transferred to a cut-off saw to cut the legs. The legs are transferred to a dado machine and a dado slot is cut into the lumber. The legs are transferred to a joining station to form the X member, where the dado slots are joined into a dado joint by gluing and stapling the joint. The X member is transferred to a trimming station to be trimmed. At the same time flanges are being made by cutting sheet lumber in strips and then into rectangles to form the flanges. The flanges are transferred to a nailing jig, while glue is applied to the trimmed ends of the legs of the X members. The X members with the applied glue are transferred to the nailing jig.

Abstract: A method for fabricating bamboo blind slats is disclosed. The steps include splitting a selected bamboo stem into several bamboo strips, removing the skins and joints from the bamboo strips before being disinfected and dried and then trimming them to fine bamboo strips. Further at least two bamboo strips are indented to joint with the corresponding ends, and then is trimmed to a fine jointed bamboo strip. A bamboo plate is obtained by joining fine jointed bamboo strips and/or the fine bamboo strips together in conjunction with a pneumatic press, and then is trimmed and polished. After slicing the bamboo plate into several bamboo slats, the bamboo slats need to be polished before covering a base coating, polished again before covering a face coating. Finally the bamboo slats are punched with two cord holes to be used for making a Venetian blind.

Abstract: The invention provides a method of making a hybrid wood product that includes a void-free contact surface for abutment to another surface, for example a glass sheet. First, composite wood products are laminated to, and encompass, a solid-sawn lumber key. After cutting through the key and composite wood products, the resulting segments are milled to produce a hybrid wood product with a residual key contributing the void-free surface.

Abstract: A method of manufacturing carved wooden doors includes the steps of forming wooden blocks with different width but same height and joining them together at a vertical lateral side thereof, joining said wooden blocks together to form a rectangular member for carving, carving desired patterns on said rectangular member, and carving a transverse recess on said rectangular member and affixing a panel in said transverse recess to form a complete carved wooden door, whereby carved wooden doors can be manufactured at a faster speed than the conventional and joint connections of said wooden doors can be prevented from becoming loose thereby prolonging service life thereof.