DE679626C - Corner block for stiffening the connection between two wooden components standing perpendicular or at an angle to each other, flat or curved - Google Patents

Corner block for stiffening the connection between two wooden components standing perpendicular or at an angle to each other, flat or curved

Info

Publication number
DE679626C
DE679626C DEL93614D DEL0093614D DE679626C DE 679626 C DE679626 C DE 679626C DE L93614 D DEL93614 D DE L93614D DE L0093614 D DEL0093614 D DE L0093614D DE 679626 C DE679626 C DE 679626C
Authority
DE
Germany
Prior art keywords
curved
layers
flat
connection
angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEL93614D
Other languages
German (de)
Inventor
Hans Laemmermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DEL93614D priority Critical patent/DE679626C/en
Priority claimed from GB471939A external-priority patent/GB524965A/en
Application granted granted Critical
Publication of DE679626C publication Critical patent/DE679626C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/04Non-loosenable joints for non-metal furniture parts, e.g. glued
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08Manufacture of shaped articles; Presses specially designed therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27MWORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00Other details of constructional parts for finishing work on buildings
    • E04F19/02Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/04Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
    • E04F19/0486Corner filling pieces
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00Other details of constructional parts for finishing work on buildings
    • E04F19/02Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/04Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
    • E04F2019/0404Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the material
    • E04F2019/0409Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the material of wood

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)

Description

Eckklotz zum Versteifen der Verbindung zweier senkrecht oder schräg zueinander stehender hölzerner Bauteile ebner oder gekrümmter Form Die Erfindung bezieht sich auf Eckklötze zur Versteifung von winklig aneinanderstoßenden Holzbauteilen ebener oder gekrümmter Form. Sie besteht darin, daß die Klötze aus dünnen, meist annähernd parallel zur Faserrichtung miteinander verleimten Holzplatten mit in allen Schichten gleicher Krümmung hergestellt sind und die gekrümmten Schichten so liegen, daß sie von der winkelhalbierenden Ebene zwischen den beiden Holzseiten ungefähr "senkrecht geschnitten werden und die erhabene Seite der Schichten dem Scheitel des Winkels zugewandt ist.Corner block to stiffen the connection between two perpendicular or diagonal Wooden components standing to one another, flat or curved shape. The invention refers to corner blocks for stiffening wooden components that abut at an angle flat or curved shape. It consists in the fact that the blocks are made of thin, mostly Wood panels glued together approximately parallel to the grain direction with all of them Layers of equal curvature are produced and the curved layers are so positioned that they are approximately from the bisecting plane between the two wooden sides "Be cut perpendicularly and the raised side of the layers to the parting facing the angle.

Hierdurch wird eine gute kraftschlüssige Ausnutzung des Eckklotzes erreicht, da die Kräfte ungefähr in der Richtung der Fasern übertragen werden.This enables good frictional use of the corner block achieved because the forces are transmitted approximately in the direction of the fibers.

Eine Platte, die so geformt ist, daß sich mehrere Eckklötze zwecks guter Werkstoffausnutzung nebeneinander ausschneiden lassen, zeigt beispielsweise Abb. i der Zeichnun-. Ein weiteres Werkstück, das für seinen Verwendungszweck weit-ehend vorbereitet ist, zeigt Abb. z der Zeichnung. Die fertigen Eckklötze brauchen hier lediglich von der gewünschten Stärke, wie punktiert angedeutet ist, abgeschnitten zu werden.A plate that is shaped so that there are several corner blocks for the purpose of Good material utilization can be cut out next to each other, for example, shows Fig. I of the drawing. Another workpiece that is widely used for its intended use is prepared, Fig. z of the drawing shows. The finished corner blocks need here only cut off from the desired strength, as indicated by dotted lines to become.

Das Aufeinanderleimen von Holzschichten in gekrümmter Form an sich war bekannt, beispielsweise zu dem Zweck, geschweifte Sprossen herzustellen. Die Anwendung dieser Herstellungsweise auf Eckklötze hätte jedoch den Nachteil, d'aß mit der erforderlichen Vielzahl der Schichten sich die Krümmungen in denselben stetig verändern, so daß die Abweichung der Krümmungen der äußeren und inneren Schicht unzweckmäßig groß und keine kraftschlüssige Übertragung bewirkt werden würde. Gemäß der Erfindung wird dieser Mangel dadurch behoben, daß durch Holzstärkeänderung in den einzelnen Schichten die Krümmungen derselben g:eichgehalten werden. Bei Verwendung gleich starker Holzschichten kann die erforderliche Holzstärkeänderung durch ungleiche Verdichtung erreicht werden, indem durch Verleimen der Schichten in krümmungsgleichenunnachgiebigen Preßformhälften bei einem hohen Preßdruck der letztere auf die sich zu--. : erst berührenden und am stärksten zu verdichtenden Stellen der Schichtoberfläche wirkt. Die Ausübung des hohen, der gesamten Verleimungsoberfläche angepaßten Preßdruckes auf die sich berührende Teiloberfläcbe hat zur Folge, daß die Holzstärkeänderung in den Schichten in vielen Fällen sofort bis zu dem Grad der völligen Krümmungsanpassung eintritt und auch der Flächendruck an .den sich zuletzt berührenden Stellen der Verleimungsoberfläche noch ausreichend hoch ist, um auch dort eine einwandfreie Verleimung zu gewährleisten. Ist in ganz besonderen Fällen zur Erhaltung der Schichtenkrümmungsgleichheit eine Stärkeänderung erforderlich, die größer ist als durch Verdichten erreichbar, so kann dieselbe auch leicht durch Oberflächenbearbeitung der Schichten, wie etwa Abhobeln oder Abschleifen an den betreffenden Stellen, erfolgen.The gluing together of layers of wood in a curved shape per se was known, for example, for the purpose of making curly rungs. the However, applying this method of manufacture to corner blocks would have the disadvantage that there would be with the required multiplicity of layers, the curvatures in them become steady change so that the deviation of the curvatures of the outer and inner layers inappropriately large and no frictional transmission would be effected. According to the invention, this deficiency is remedied that by wood thickness change in the curvatures of the individual layers are kept equal. Using same thick layers of wood can cause the required change in wood thickness can be achieved by uneven compaction by gluing the layers together in the same curvature non-compliant mold halves at a high pressure of the the latter towards the--. : first touching and most condensed Place the layer surface acts. The pursuit of the high, the entire gluing surface adapted pressure on the touching Teiloberfläcbe has the consequence that the wood thickness change in the layers in many cases immediately to that degree the complete curvature adaptation occurs and also the surface pressure on .den the last touching areas of the gluing surface is still sufficiently high, to ensure perfect gluing there as well. Is very special In cases a change in thickness is required to maintain the uniformity of the curvature of the layers, which is greater than can be achieved by compression, it can also easily pass through Surface treatment of the layers, such as planing or grinding on the relevant bodies.

In Abb. 3 ist als beliebiges Ausführungsbeispieldie Verbindung der Stäbe a und b mittels der beiden Eckklötze c dargestellt, aus welcher der günstige Faserverlauf nach Art des natürlichen Wuchses der Äste ersichtlich ist.In Fig. 3 the connection of the bars a and b by means of the two corner blocks c is shown as an arbitrary embodiment, from which the favorable fiber course can be seen in the manner of the natural growth of the branches.

Als weiteres beliebiges Beispiel ist in Abb. q. die erfindungsgemäße Versteifung einer gekrümmten Holzplatte d mit einem geraden Stab a mittels Eckklotzes c dargestellt und läßt die vorteilhafte Überleitung verschieden starker Ouerschnitte erkennen.Another arbitrary example is shown in Fig. Q. the invention Reinforcement of a curved wooden panel d with a straight bar a using corner blocks c and allows the advantageous transition of differently strong cross sections recognize.

Abb.5 zeigt als beliebiges weiteres Beispieldie erfindungsgemäßeVerbindung zweier Stäbe f und g mit gekrümmten Verleimungsoberflächen mittels eines Eckklotzes c und läßt die vorteilhafte Versteifung einer derart verformten Eckbildung erkennen.Figure 5 shows the connection according to the invention as any further example two bars f and g with curved gluing surfaces by means of a corner block c and reveals the advantageous stiffening of such a deformed corner formation.

Die Versteifung der abgerundeten Innenkante einer winklig gebogenen Holzplatte d 'mittels erfindungsgemäßem Eckklotz c zeigt Abb.6 als beliebiges weiteres Beispiel und läßt auch hier die gute Kräfteleitung erkennen.The stiffening of the rounded inner edge of an angled curved Wood panel d 'by means of corner block c according to the invention is shown in Fig.6 as any other Example and here, too, shows the good management of forces.

Alle dargestellten Versteifungen mit erfindungsgemäß hergestellten Eckklötzen sind besonders gut für wechselnde Belastungen geeignet, da hier Kerbwirkungen vermieden sind.All stiffeners shown with manufactured according to the invention Corner blocks are particularly suitable for changing loads because of the notch effects are avoided.

Durch die Verwendungsmöglichkeit der verschiedensten Abmessungen dünner Holzplatten zu derHerstellung, beispielsweiselang und schmal in Abb. i und kurz und breit in Abb. a, wird eine gute Anpassung an das in astreinen Flächen von geradem Wuchs meist unregelmäßig anfallende Holzmaterial ermöglicht, und allgemein stellt die Erfindung einen wesentlichen Fortschritt dar.Thinner due to the possibility of using the most varied of dimensions Wooden panels for the manufacture, for example long and narrow in Fig. I and short and wide in Fig. a, will adapt well to that in straight surfaces of straight Growing mostly irregularly occurring wood material allows, and generally represents the invention represents a significant advance.

Claims (1)

PATENTANSPRUCH: Eckklotz zum Versteifen der Verbindung zweier senkrecht oder schräg zueinander stehender hölzerner Bauteile ebener oder gekrümmter Form, dadurch gekennzeichnet, daß der Klotz aus dünnen, meist annähernd parallel zur Faserrichtung miteinander verleimten Holzschichten gleicher Krümmung besteht und die gekrümmten Schichten so liegen, daß sie von der winkelhalbierenden Ebene zwischen den beiden zu verbindenden Ebenen ungefähr senkrecht geschnitten werden und die erhabene Seite der Schichten dem Scheitel des Winkels zugewandt ist.PATENT CLAIM: Corner block to stiffen the connection between two perpendicular or inclined wooden components of a flat or curved shape, characterized in that the block is made of thin, mostly approximately parallel to the fiber direction Glued together layers of wood of the same curvature and the curved Layers lie so that they are from the bisecting plane between the two planes to be connected are cut approximately perpendicular and the raised side of the layers faces the vertex of the angle.
DEL93614D 1937-11-10 1937-11-10 Corner block for stiffening the connection between two wooden components standing perpendicular or at an angle to each other, flat or curved Expired DE679626C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL93614D DE679626C (en) 1937-11-10 1937-11-10 Corner block for stiffening the connection between two wooden components standing perpendicular or at an angle to each other, flat or curved

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL93614D DE679626C (en) 1937-11-10 1937-11-10 Corner block for stiffening the connection between two wooden components standing perpendicular or at an angle to each other, flat or curved
GB471939A GB524965A (en) 1939-02-13 1939-02-13 Improvements in corner blocks for connecting or reinforcing adjoining wood surfaces and method of producing said improved corner blocks

Publications (1)

Publication Number Publication Date
DE679626C true DE679626C (en) 1939-08-10

Family

ID=25986422

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL93614D Expired DE679626C (en) 1937-11-10 1937-11-10 Corner block for stiffening the connection between two wooden components standing perpendicular or at an angle to each other, flat or curved

Country Status (1)

Country Link
DE (1) DE679626C (en)

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