US3377758A - Log-type construction element - Google Patents

Log-type construction element Download PDF

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US3377758A
US3377758A US430085A US43008565A US3377758A US 3377758 A US3377758 A US 3377758A US 430085 A US430085 A US 430085A US 43008565 A US43008565 A US 43008565A US 3377758 A US3377758 A US 3377758A
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stiffening
elemental parts
elements
parts
elemental
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Witschnig Walter
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/10—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/70—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood
    • E04B2/706—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with supporting function
    • E04B2/708—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with supporting function obturation by means of longitudinal elements with a convex external surface
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
    • E04C2/14—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood reinforced
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/40—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels

Definitions

  • FIG 4 April 16, 1968 w.
  • ABSTRACT OF THE DISCLOSURE A prefabricable wooden construction element of parts of cylinders cut from logs parallel to the annual growth rings of the log, which is so stiffened that it can be transported without being substantially deformed, said wooden construction element having the property that the shrinkage and swelling behavior can easily be predicted.
  • the prevent invention relates to a construction clement comprising a plurality of wooden elemental parts joined L the cross section of a circular hollow cylinder.
  • a construction clement comprising a plurality of wooden elemental parts joined L the cross section of a circular hollow cylinder.
  • the invention essentially consists in that the elemental parts are joined to a rigid unit and in that this unit is rigidly supported with respect to its shape by at least one stiiiening element.
  • the elemental parts rigidly connected with one another act against bending stresses or buckling stresses as a static unit so that the resistance of a construction element against bending and tbuckling stresses, respectively, is materially increased with least possible material consumption. So, not only transport of the construction elements in the factory and the site, respectively, is facilitated but, in many cases in which only the use of construction elements with relatively large surface is economically feasible, made possible at all.
  • the stiffening elements provide the advantage of the single construction elements over the board construction used up till now to not show swell or to shrink because now swelling and shrinking of the construction element in total is avoided or restricted to a minimum. Thereby it becomes feasible to rigidly join the single element parts, f.i. by glueing or screwing, because in absence of a material swelling and shrinking, respectively, of the construction elements, no or but very unimportant stresses act on the joints which stresses might cause bursting of the joint between the single element parts.
  • the elemental parts may be arranged in a great number of variants.
  • the single elemental parts are arranged side by 3,377,753 Patented Apr. 16, 1968 side or annexed with one another so that the generatrices of these elemental parts, having the cross section of part of a circular hollow cylinder, are in parallel relation.
  • the stiffening elements are arranged transverse to the generatrices of the elemental parts and rigidly connected with these elemental parts.
  • the stiffening elements not only can be used to connect the single elemental parts to a rigid unit but it is also possible to use these stiffening elements for stiffening single annular hollow cylindrical elemental parts, particularly of elemental parts subjected to severe stresses.
  • connection means for connecting adjacent construction elements
  • these connection means can be formed by extensions of the stitfening elements, which extensions may be introduced in correspondingly shaped recesses of the adjacent construction element, whereby adjacent construction elements may be, so to speak, put together.
  • the stiffening elements are formed by wooden ledges which are glued to the elemental parts adjacent the ends of the legs of the C- or U-shaped cross section thereof, which elemental parts, if desired, may be glued with one another.
  • the stiffening ledges and the ends of the legs of the elemental parts, respectively have recesses into which are put the ends of the ledges of the elemental parts and of the stiffening ledges respectively.
  • a snugly seated joint between stiffening ledges and elemental parts is achieved so that the rigid connection of the single parts to a unit not only is secured by glueing but also assisted by the snugly seated joints.
  • Such a construction makes it possible to arrange the elemental parts so that they form two walls being essentially in parallel relation and being connected with one another by the stiffening ledges. In this manner a twin wall is provided, whereby the air filled space between the single walls has an insulating elfect.
  • this space may be filled by suitable insulating filling material or the like.
  • suitable insulating filling material or the like.
  • the stiffening elements may be, according to the invention, also formed by rods which pass through the elemental parts and join these elemental parts by pressing means, f.i. screws, to a unit, whereby between adjacent elemental parts spacing elements are provided. These spacing elements prevent damaging of the elemental parts when these elemental parts are pressed together to form a unit.
  • the spacing elements may be formed by bushings surrounding the rods, the front ends of the bushings being shaped according to the shape of the circumference of the adjacent elemental part. Thereby a snug seat of the elemental part on these bushings is provided. With such a construction adjacent construction elements can simply be connected by using tubes as the construction elements having the form of rods, whereby the connection means are formed by a female thread in each of these tubes and an extension thereof,
  • connection means having the form of ledges, which may be intro- 3 pokerd into a slot confined by two adjacent stiffening ledges.
  • connection means and also the stiffening elements can also be used for introducing and fixing, respectively, rigid connection parts, which are used particularly when forming corner joints or the like.
  • a further possibility for arrangement of the single elemental parts consists in putting the elemental parts in at least one layer over part of the length of the stiffening elements and rigidly connecting, preferably by glueing, the elemental parts with the stiffening element, whereby the stiffening element is provided with an upper surface formed according to a surface of a circular cylinder and the generatrices of the elemental parts are in parallel relation with respect to the generatriccs of the upper surface of the stiffening element.
  • a construction element is provided, which is strengthened at single portions of its axial length, so that the construction element has a greater resistance moment at these portions.
  • any requirements with respect to bending moment can be accounted for and with this a wide adaptability in practice is provided.
  • Such elements for instance may be used as rail sleepers but also as carrier element in wooden constructions and so on.
  • wooden sleepers which in view of its production are not tension free, cracks may form through which water might protrude to points insufficiently impregnated or not impregnated at all. At these points rotting starts.
  • this danger is essentially reduced on account of the groove like elemental parts having essentially no shrinking and swelling tendency, respectively, which elemental parts therefore are less subjected to the danger of becoming cracked.
  • the rounded shape of the upper side of the sleeper favorites a more rapid draining of water after rain and a better anchorage of the sleeper in the ballast. Further, with respect to volume, wood can be saved and the formation of grooves by pressing in the bottom plate can be avoided.
  • FIG. 1 shows a trunk half from which the elemental parts may be produced.
  • FIGS. 2, 3 and 4 show a twin walled construction element, while FIGS. 5 and 6 show a single walled construction element.
  • FIGS. 6 to 10 show various embodiments of elemental parts joined with one another and being suited to be connected by stiffening elements to a construction element.
  • FIG. 11 shows a construction element in form of a railway sleeper, while FIGS. 12 and 13 show further embodiments of a construction element.
  • FIG. 14 represents a section through a further embodiment along line XIV-XIV of FIG. 15 which represents a section along line XVXV of FIG. 14.
  • FIG. 14 represents a section through a further embodiment along line XIV-XIV of FIG. 15 which represents a section along line XVXV of FIG. 14.
  • FIG. 14 represents a section through a further embodiment along line XIV-XIV of FIG. 15 which represents a section along line XVXV of FIG. 14.
  • FIG. 16 shows a spacing element in enlarged scale
  • FIGS. 17 to 19 show a further embodiment.
  • FIG. 18 is a vertical section through the construction shown in FIG. 17 and along line XVIII-XVIII of FIG. 19, which again represents a section along line XIX-XIX of FIG. 18,
  • FIGS. 20 and 21 each show a further embodiment in a section whereby FIG. 21 represents a section along line XXI XXI of FIG. 20.
  • FIGS. 22 to 25 show various embodiments for connecting adjacent construction elements, whereby FIG. 24 is a section along line XXIVXXIV of FIG. 25.
  • FIGS. 26 to show various forms of using construction elements of the invention for roofing or thatching.
  • FIG. 18 is a vertical section through the construction shown in FIG. 17 and along line XVIII-XVIII of FIG. 19, which again represents a section along line XIX-XIX of FIG. 18,
  • FIGS. 20 and 21 each show a further embodiment in
  • FIG. 27 represents a section according to line XXVIIXXVII of FIG. 26, which again represents a section along line XXVI-XXVI of FIG. 27.
  • FIG. 29 is a section along line XXIX-XXIX of FIG. 28, which again is a section along line XXVIII- XXVIII of FIG. 29.
  • the trunk half shown in FIG. 1 is subdivided into single groove-like elemental parts 1 by a sawing machine known per se, so, that the surfaces of each of these elemental parts are concentric relative to the trunk axis.
  • the wall thicknesses of the single elemental parts 1 may be so graduated that even at the outermost portion of the trunk a usable elemental part can be obtained the outer surface of which corresponds to the mantle surface of the trunk half.
  • Such an elemental part is in the following called outer shell.
  • the core piece which can not be further subdivided, may be used according to the invention. Subdividing the trunk in the indicated manner secures a good yield, because there is no waste with the exception of saw dust.
  • the elemental parts 1 obtained may be used in its initial form of full shells, i.e. in form of one half of a hollow circular cylinder, but can be subdivided prior to joining to a construction element as desired, f.i. in sector elements.
  • Such partial elements are called partial shells in the following.
  • FIGS. 2 and 3 show partial shells 2 obtained from partial elements ll, shown in FIG. 1, by suitable subdividing and joint to a construction element.
  • the partial shells Z are put side by side and connected along its longitudinal ledge whereby the connection can be effected along radial faces and mantle faces (FIG. 3), respectively, or check to cheek (FIG. 2).
  • the partial shells 2 are glued together although the parts may be screwed together or the like, if desired.
  • the adhesive by which said glueing is effected, may be of any kind suitable for glueing wooden elements.
  • the adhesive layers are not shown in the drawings, but it may be easily understood that such adhesive layers may be present wherever two wooden parts of the construction element are positioned close to each other or where these elements contact each other.
  • the Wave like plates obtained by glucing the partial shells 2 are supported by stiffening elements 32 in a manner to stiffen its shape.
  • These stiffening elements 32 are formed of wooden ledges, which are glued with the single partial shells 2.
  • the partial shells may simply be put onto the stiffening ledge 32 and glued. However it is better to provide recesses 5 (FIG. 3) in the stiffening ledge into which recess the longitudinal edges of the sector like partial shells 2 can be put and glued.
  • a cavity 7 is formed, which for its own has a sflencing and heat insulating effect, which effect can be increased by filling this cavity with an insulating material, such as glass wool or the like. Within this cavity 7 various installation such as warm air heating equipment may be included.
  • FIG. 4 shows an embodiment with which full shells are arranged to be tangent to one another, whereby glueing is effected along the side faces of these full shells.
  • wave like plates formed of full shells '1 or of partial shells 2 so that the convex races of these wave like plates are either directed in only one direction or are alternately directed in one direction and in the opposite direction.
  • the single partial shells and full shells, respectively may be c0nnected with one another so that they are arranged in superimposed relation and either a radial face is con nected with a cylindrical mantle face (FIG. 3) or both radial faces are connected with a cylindrical mantle face.
  • FIG. 5 shows a construction element the stiffening ledge 32 of which has recesses 36 into which are introduced both longitudinal edges of the full shells ll. With this the pressure in the gap 8, necessary for glueing the full shells 1, can be established by pressing the full shells 1 with its longitudinal edges into the recess 36.
  • FIG. 7 shows a wave like plate formed of outer shells 3,3.
  • the outer shells 3 are arranged opposed to the outer shells 3 so that with the outer shells 3 the portion with the greater wall thickness lies at the front end but with the outer shells 3 lies at the rear end of the construction element.
  • T o facilitate connection of these wave like plates with adjacent construction elements and the stiffening ledges, not shown, the outer mantle faces of the outer shells 3, 3 are flattened at 4.
  • FIGS. 8 and 9 also flat plate like elemental parts may be used at forming wave like boards or construction elements, respectively.
  • FIG. 8 shows plate like elements 6, which at their side faces are connected with the side faces of the full shells 1. In this manner a wave like course of the wave like board results.
  • FIG. 9 the full shells 1 are arranged so that the cavities are all directed in the same direction and the adjacent longitudinal edges of the ends of the legs of the cross section of the full shells 1 are connected by plates 6 arranged in vertical relation to these ends of the legs.
  • FIGS. 8 and 9 may be assembled with stiffening ledges in similar manner as shown in FIGS. 2 to 6.
  • the stiffening ledges could, if desired, also extend through the plate like elements 6.
  • FIG. 10 shows that the elemental parts 1, which according to this FIG. 10 are formed of full shells, can be bent prior to glueing. In this manner a prestressed wave like plate is obtained, which afterwards may be connected with the stiffening element (not shown). Such a prestress is statically favourable, as known per so with respect to certain use.
  • FIG. 11 shows a construction element, which represents a rail sleeper.
  • the stiffening element 32 has the cross section of a half circle and for instance can be formed by the core piece 1 (FIG. 1). Over this stiffening element 32, which extends over the total length of the sleeper, full shells 1 are put in steplike manner so that the cross section of the sleeper is steplike increased and reduced, respectively. Varying of the cross section conveniently is effected according the vending moment to which the sleeper is subjected by the rails fixed at the flat faces 4 of the outermost full shells 1 with interposition of commonly used base plates.
  • the stiffening ledges 32 also provide supporting faces by means of which the construction element rests on supports (not shown).
  • the lower full shells 1 are reduced in length as compared with the upper full shells 1, whereby the stiffening ledge 32 extends along the front faces 9 of the lower full shells 1 and is connected with these front faces and with the upper full shells 1.
  • stiffening inserts 34 and connection pieces 34 may be provided, which are glued to the full shells 1 and the stiffening ledge 2, respectively. In this manner the construction element may be supported in reliable manner by the stiffening ledges 32 arranged at both sides, also if this construction element is loaded, f.i. when used as a ceiling element and loaded by rubble work.
  • the groove-like elemental parts 1, 2, 3 can be given any desired cross sectional form.
  • the radii of the mantle faces of the hollow cylindrical elemental parts can be reduced so that the mantle face of the elemental part extends over more than 180.
  • Such elemental parts are of special use when block walls are to be erected.
  • FIG. 13 shows such a construction element, which can be used for erecting such a block wall and this construction element comprises elemental parts 1", the mantle surface of each of which, on account of corresponding forming operation, extends over more than Each elemental part 1" is glued with its radial faces, i.e.
  • Stiffening is effected by a rod, conveniently having the form of a tube 38, which at both of its ends is provided with threads onto which nuts 40 are screwed, so that the single elemental parts 1" may be pressed together to effect the pressure necessary :for glueing.
  • a wood en spacing element 39 (FIG. 16) is inserted, which can be produced from two core pieces 1' (FIG. 1).
  • both spacing elements 39 are formed according to the curved mantle face of the elemental parts 1" so that the elemental parts 1" are snugly seated on the faces 10, 11.
  • Such a stiffening by light metal tubes 38 and spacing elements 39, respectively can also be used with an arrangement shown in FIG. 14 according to which full shells are combined with partial shells 2 to a block wall.
  • cavities 12 are formed, which extend over the entire lengths of these elements and which cause an excellent heat insulating effect. For the purpose of forming such cavities also in the embodiment shown in FIG.
  • the partial shells 2 are formed with grooves 42 as is the case with the stiffening ledges, so that the partial shells 2 with its longitudinal edge 13 engage the stiffening ledge 32, while the other longitudinal edge 41 is either bluntly put onto the outer mantle face of the adjacent partial shell 2 or is connected with the mantle face by means of mortise and tenon 14, as shown in FIG. 18.
  • FIGS. 20 and 28 show a twin wall construction element, where each stiffening element consists of a pair parallel ledges 33, 335:.
  • These ledges 33, 33a preferably are machined out of the core piece 1 (FIG. 1).
  • the ledge 33 and the ledge 33a, respectively, are connected with the wall formed of partial shells 2 by dove tail 45 and 44%, respectively.
  • a ledge 46 (FIG. 22) may be inserted, which will be glued with the ledges 33 and 33a.
  • This ledge 46 may protrude over the laterial margin of the construction element in question, as shown in FIG.
  • FIGS. 24 and 25 show how to connect construction elements a, b by means of stiffening elements having the form of tubes. Into the lower end of the stiffening tube 38a of the upper construction element a a sleeve 43 is inserted, f.i. by welding.
  • This sleeve 43 with its lower end engages into the upper end of the stiffening tube 385 of the lower construction element b, which has a bore 18 in which a pin screw 49 is arranged, the head of which abuts against the upper end of the sleeve 48. Further, into the lower tube 3%! a ring 19 provided with thread 50 is put and fixed by welding, whereby into the thread of the ring 19 the thread of the pin screw 49 may be screwed by introducing into the tube 38a a boxspanner. At the joint, the spacing element 39 is divided into two halves 39a, 3%; the lower half 3911 of which has a larger bore diameter for accomodating nuts 4%.
  • FIGS. 26 and 27 show a ridge connection with which two construction elements a, b, obliquely cut in the range of the ridge 2%, are connected by means of a stiffening triangle 51.
  • Each construction element consists of full shells 1, which are connected to form a wave like cross section 27.
  • the lower full shells are connected with the stiffening ledge 32 as by glueing or screwing at 53.
  • Adjacent stiffening ledges 32 are connected with connecting ledges 1'7, f.i. by screwing, in a manner similar to that shown in FIG. 23.
  • the connection ledges l7 and the stiffening ledges 32 may together have a trapezoidal cross section (FIG. 26) with which they are inserted into a trapezoidal recess 52a in the stiffening triangle 51.
  • the stiffening ledges 32 and the connection ledges 17 may be connected with the stiffening triangle 51 also by means of screws 53.
  • FIGS. 28 and 29 show another embodiment of the connection at the ridge of a roof when using construction elements according to FIGS. 13 and 14.
  • the stiffening triangle 51 is inserted between a wooden cushion 54 contacting the adjacent full shell 1 (FIG. 28) and the spacing element 3% which now has a greater length than in FIG. 25.
  • the stiffening triangle 51 is fixed by means of nut 40.
  • a piece 55 is spared out of the full shell 1a (FIG. 28) and reinserted after fixing the stiffening triangle 51, f.i. by glueing.
  • this shell piece 55 has a recess through which the lower horizontal side 52 of the stiffening triangle 51 protrudes.
  • a board 56 (FIG. 30) may be used, which is connected with the tubes 38 in a manner similar to that shown in FIG. 2.8.
  • Such roofs not only have but little weight but can also be mounted in a simple Way and show a good heat and sound insulating effect.
  • the construction elements can be provided with an impregnation at its surface. It is also possible to put onto the roof sheet material.
  • FIGS. 31 to 36 corner joints between construction elements are shown.
  • the construction shown in FIG. 31 can be used with construction elements (FIGS. 13, 14), which are stiffened by tubes.
  • the stiffening tubes 38, 38b of the construction elements are connected by means of a corner sleeve 48, welded with the tube 382: and connected with the tube 38a by means of a pin screw 49.
  • the spacing elements 39a, 39b and also the full shells 1 of FIG. 25 are for better representation not shown in FIG. 31.
  • FIGS. 32, 33 show another corner joint for construction elements shown in FIGS. 13 or 14.
  • the ends of the stiffening tubes 38 now are connected by C-shaped iron connecting pieces 53 or rectangular connecting angles 59 (FIG. 32), whereby the iron connecting pieces 58 and the connecting angles 59 respectively are fixed by the nuts 49.
  • FIGS. 34 and 36 show corner joints for construction elements as shown in FIGS. 20, 2t or 2.2, with N6. 34, between the stiffening ledges 33 and the connecting ledge 8 45 the ends of connecting angles 21 (FIG. 35), which ends have the form of hooks 3', are inserted, whereby the connecting angles are stiffened by a cross piece 22.
  • the books 6% ⁇ are supported against the stiffening ledges 33, which, therefore, are connected with both walls by means of dove tail 45 and 45'.
  • FIG. 36 shows a construction similar to that shown in FIG. 34, whereby, for esthetical reasons only, head pieces 23 of compact wood are connected with the partial shells Z.
  • the cylindrical mantle face of the head pieces 23 is similar to the mantle pieces of the partial shells 2.
  • the metal connection angle 21 (FIG. 37) has the form of a cross, whereby its thorn 61, driven into the front pieces 23, fixes the head pieces to the corner joint.
  • the head pieces are connected with the construction elements and the partial shells 2 thereof by means of a 45-bevel.
  • a prefabricated construction element comprising a plurality of wooden elemental parts joined together, each of said elemental parts forming part of a circular hollow cylinder cut from a log coaxially of the log and genera ly along the annual rings thereof, said elemental parts being joined to form a unit, and a stiffening element rigidly supporting this unit with respect to its shape.
  • said elemental parts being oblong and having a C- or U-shaped cross section, said cross section providing legs, whereby said wooden ledge is glued to said elemental parts adjacent the ends of said legs.
  • each of said wals one of said wooden elemental parts is opposed to one of said wooden elemental parts of the other of said two wa ls, so that said wooden elemental parts are arranged in pairs, means for joining each pair of wooden elemental parts in the region in which said pairs are not joined together by said ledge, so that between said two walls chambers are formed, said chambers extending substantially parallelly to the generatrices of said wooden elemental parts, said ledge extending transversely through said chambers.
  • said spacing elements being formed by bushings, said bushings surrounding said rod and having front ends, said front ends of said bushings being shaped according to the shape of the circumference of the adjacent one of said wooden elemental parts.
  • stiffening element is formed by a stiffening ledge, said wooden elemental parts having front ends, said stilfening ledge being arranged at said front ends in a manner projecting over these front ends, said stiffening ledge being shaped so as to serve as a support for the construction element.
  • connection means serving for connection of adjacent construction elements in asmicd condition.
  • connection means are formed by an extension of each of said stiffening ledges, a recess being provided, said recess being formed corresponding to said extension of said stiffening ledge so that said stiffening ledge is engageable by said recess of the adjacent construction element when in assembled condition.
  • rods are provided which pass through said wooden elemental parts, pressing means coacting with said rods to join said wooden elemental parts to a unit, said rods being hollow so that they have the form of tubes, threads arranged in each of these tubes, a pin screw adapted to be screwed into said threads, an abutment within said tube, said pin screw being adapted to be supported by said abutment.
  • connection means are formed by ledges adapted to be screwed onto said stitfening elements, said stiffening elements being formed of ledges.
  • connection means are formed by a ledge, a slot being provided in the adjacent construction element provided with two adjacent stiffening ledges, said slot being confined by said two adjacent stiffening ledges, said connection ledge being adapted to be introduced into said slot when in assembled condition.
  • connection parts for connecting two construction elements when corner joints are to be made, said connection parts being adapted to be connected with said connection means and said stiffening means.
  • connection parts are formed by metal angles having ends, said ends being provided with books, said hooks being adapted to be connected with said connection means and said stiffening elements.
  • a prefabricated construction element comprising a plurality of wooden elemental parts joined together, each of said elemental parts forming part or a circular hollow cylinder cut from a log coaxially of the log and generally along the annual rings thereof, said elemental parts being joined to form a unit, and a stiffening element rigidly supporting this unit with respect to its shape, said stiffening element being provided with an upper surface, said upper surface being formed as the surface of a circular cylinder, said wooden elemental parts being assembled onto said stiffening element over parts of the axial length of said stiffening element in at least one layer, said wooden elemental parts being rigidly connected wi h said stiffening e ement, the generatrices of said hollow cylindrical wooden elemental parts being parallel with respect to the generatrices of the cylindershaped upper surface of said stitfening element.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
US430085A 1964-02-04 1965-02-03 Log-type construction element Expired - Lifetime US3377758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT88564A AT261867B (de) 1964-02-04 1964-02-04 Bauelement

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US430085A Expired - Lifetime US3377758A (en) 1964-02-04 1965-02-03 Log-type construction element

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US (1) US3377758A (de)
AT (1) AT261867B (de)
CH (1) CH438658A (de)
DE (1) DE1609887A1 (de)
FI (1) FI43345B (de)
FR (1) FR1439058A (de)
SE (1) SE312221B (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742665A (en) * 1971-05-24 1973-07-03 M Larimer Modular building construction
US4056906A (en) * 1976-08-13 1977-11-08 Arca Holding S.A. Building framework for timber house of log-cabin appearance
US4115969A (en) * 1977-07-06 1978-09-26 Donald Stewart Napier Building panel and wall
US4305238A (en) * 1978-09-19 1981-12-15 Harward Leland A Insulating simulated log and siding
US4627204A (en) * 1985-04-08 1986-12-09 Smith Leedice S Simulated log end unit for buildings
US5271878A (en) * 1992-09-25 1993-12-21 Husky Panel Systems, Inc. Insulating half-log panel
US20040177575A1 (en) * 2003-03-11 2004-09-16 Klaus Posselt System of interlocking wall and corner components for construction of buildings
US20060168904A1 (en) * 2001-06-19 2006-08-03 Arkadiusz Muszynski Building module and the method of erecting walls of building with the application of the modules
US20070294967A1 (en) * 2003-03-11 2007-12-27 Klaus Posselt System of interlocking wall and corner components for construction of buildings
US20110078966A1 (en) * 2009-10-06 2011-04-07 Dina Pauline Herman Log look log
US20110277415A1 (en) * 2010-05-17 2011-11-17 Vladimir Sergounine Backband and vinyl slat covering system for structures
DE102011002843A1 (de) 2011-01-18 2012-07-19 Ekotop Oy Verbindungsstück für holzbasierte Wandstruktur, holzbasierte Wandstruktur, und Gebäude
US8341898B1 (en) 2011-06-30 2013-01-01 Grand Log Homes LLC Modular log assembly system
US20130008107A1 (en) * 2009-10-06 2013-01-10 Dina Herman Log look log

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8998382A (en) * 1982-10-13 1984-05-04 Seppanen, J.K. Rakennuselementti
US4488389A (en) * 1982-12-20 1984-12-18 Farmont Johann H Securing means for log construction
AT394072B (de) * 1987-06-10 1992-01-27 Plankensteiner Anton Holzbalken fuer blockhaeuser od.dgl.
US5253458A (en) * 1992-02-21 1993-10-19 Dean Christian Simulated log and panel prefabricated house structure
SE504924C2 (sv) * 1994-05-06 1997-05-26 Hans Karlsson Isolerat stockelement
DE102012208595A1 (de) * 2012-05-23 2013-11-28 Sgl Carbon Se Verfahren zum Herstellen eines Wärmeisolationskörpers

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Publication number Priority date Publication date Assignee Title
US1978494A (en) * 1929-11-23 1934-10-30 Junkers Hugo Hollow structural element
US2619686A (en) * 1947-05-22 1952-12-02 Stanley B Dombrowski Building construction
US2635303A (en) * 1948-06-10 1953-04-21 Donald B Poynter Tubular building structure
US2669060A (en) * 1949-04-13 1954-02-16 Lewis J Kalvig Toy log cabin
US2700799A (en) * 1950-08-15 1955-02-01 Griffith Frederick Insulated wall for building
US2787029A (en) * 1955-10-19 1957-04-02 John R Johnson Simulated log building

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1978494A (en) * 1929-11-23 1934-10-30 Junkers Hugo Hollow structural element
US2619686A (en) * 1947-05-22 1952-12-02 Stanley B Dombrowski Building construction
US2635303A (en) * 1948-06-10 1953-04-21 Donald B Poynter Tubular building structure
US2669060A (en) * 1949-04-13 1954-02-16 Lewis J Kalvig Toy log cabin
US2700799A (en) * 1950-08-15 1955-02-01 Griffith Frederick Insulated wall for building
US2787029A (en) * 1955-10-19 1957-04-02 John R Johnson Simulated log building

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742665A (en) * 1971-05-24 1973-07-03 M Larimer Modular building construction
US4056906A (en) * 1976-08-13 1977-11-08 Arca Holding S.A. Building framework for timber house of log-cabin appearance
US4115969A (en) * 1977-07-06 1978-09-26 Donald Stewart Napier Building panel and wall
US4305238A (en) * 1978-09-19 1981-12-15 Harward Leland A Insulating simulated log and siding
US4627204A (en) * 1985-04-08 1986-12-09 Smith Leedice S Simulated log end unit for buildings
US5271878A (en) * 1992-09-25 1993-12-21 Husky Panel Systems, Inc. Insulating half-log panel
US20060168904A1 (en) * 2001-06-19 2006-08-03 Arkadiusz Muszynski Building module and the method of erecting walls of building with the application of the modules
US20040177575A1 (en) * 2003-03-11 2004-09-16 Klaus Posselt System of interlocking wall and corner components for construction of buildings
US20070294967A1 (en) * 2003-03-11 2007-12-27 Klaus Posselt System of interlocking wall and corner components for construction of buildings
US20110078966A1 (en) * 2009-10-06 2011-04-07 Dina Pauline Herman Log look log
US20130008107A1 (en) * 2009-10-06 2013-01-10 Dina Herman Log look log
US20110277415A1 (en) * 2010-05-17 2011-11-17 Vladimir Sergounine Backband and vinyl slat covering system for structures
US8245476B2 (en) * 2010-05-17 2012-08-21 Vladimir Sergounine Backband and vinyl slat covering system for structures
DE102011002843A1 (de) 2011-01-18 2012-07-19 Ekotop Oy Verbindungsstück für holzbasierte Wandstruktur, holzbasierte Wandstruktur, und Gebäude
US8341898B1 (en) 2011-06-30 2013-01-01 Grand Log Homes LLC Modular log assembly system

Also Published As

Publication number Publication date
FR1439058A (fr) 1966-05-20
SE312221B (de) 1969-07-07
CH438658A (de) 1967-06-30
DE1609887A1 (de) 1970-08-06
FI43345B (de) 1970-11-30
AT261867B (de) 1968-05-10

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