EP0233835B1 - Plain element connection - Google Patents

Plain element connection Download PDF

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Publication number
EP0233835B1
EP0233835B1 EP87730015A EP87730015A EP0233835B1 EP 0233835 B1 EP0233835 B1 EP 0233835B1 EP 87730015 A EP87730015 A EP 87730015A EP 87730015 A EP87730015 A EP 87730015A EP 0233835 B1 EP0233835 B1 EP 0233835B1
Authority
EP
European Patent Office
Prior art keywords
grooves
plane
plane elements
elements
fitting shapes
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 - Lifetime
Application number
EP87730015A
Other languages
German (de)
French (fr)
Other versions
EP0233835A3 (en
EP0233835A2 (en
Inventor
Eugen Stehr
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.)
HANIEL BAUSTOFF-INDUSTRIE KALKSANDSTEIN GMBH
Original Assignee
Haniel Baustoff-Industrie Kalksandstein GmbH
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 Haniel Baustoff-Industrie Kalksandstein GmbH filed Critical Haniel Baustoff-Industrie Kalksandstein GmbH
Priority to AT87730015T priority Critical patent/ATE82348T1/en
Publication of EP0233835A2 publication Critical patent/EP0233835A2/en
Publication of EP0233835A3 publication Critical patent/EP0233835A3/en
Application granted granted Critical
Publication of EP0233835B1 publication Critical patent/EP0233835B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04—Walls having neither cavities between, nor in, the solid elements
    • E04B2/06—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
    • E04B2/08—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails
    • 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
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0204—Non-undercut connections, e.g. tongue and groove connections
    • E04B2002/0208—Non-undercut connections, e.g. tongue and groove connections of trapezoidal shape
    • 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
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0243—Separate connectors or inserts, e.g. pegs, pins or keys

Definitions

  • the invention relates to a plan element assembly with plan elements and for aligning the same circular fitting pieces which engage in recesses of mutually facing bearing surface plan elements arranged one above the other, the recesses on the lower and upper bearing surface of the plan elements being formed by a constant cross-section, continuous grooves whose side surfaces have at least in the vicinity of the groove base parallel guide surfaces for opposing parallel end faces or at least end face sections of fitting pieces, the fitting pieces and grooves of the plan elements being provided with insertion guide surfaces tapering towards the groove base, which guide the insertion of the fitting pieces into the grooves of the plan elements facilitate.
  • a plan element composite of the above type is known from SE-PS 2 21 810.
  • fitting pieces are used which have to be pressed into the grooves serving to receive them, since their thickness is somewhat larger than the width of the grooves. Pressing in the fitting pieces not only represents an additional burden for the construction worker, but also complicates the assembly of the plan elements.
  • a disadvantage of the known construction is the fact that the grooves in the lower and upper bearing surfaces of the plan elements have the same depth, since it leads to the fact that comparatively thick layers of mortar can impair the accuracy of adjustment because the immersion depth of the fittings in each lower, with Inserts provided grooves of the plan elements leaves something to be desired. The risk of an unsatisfactory alignment of the plan elements increases if the outer diameters of the fitting pieces are kept within reasonable limits for reasons of economy of manufacture and for reasons of stability.
  • the invention has for its object to provide a plan element composite of the type mentioned, the fit pieces ensure precise alignment of the plan elements despite the simplest shape.
  • This object is achieved in that the slidably guided disc-shaped or annular fittings are provided on their outer edges with circumferential insertion guide surfaces and the depth of the lower grooves of the plan elements is greater than the depth of the upper grooves of the plan elements.
  • the plan element assembly according to the invention offers the advantage that its simply shaped, easy-to-handle fittings make it possible to align the plan elements quickly and precisely regardless of the thickness of the mortar bed.
  • the perfect fit of the fittings in the upper, i.e. Less deep grooves can be checked by visual inspection, while a perfect fit in the respective lower grooves is guaranteed due to the larger protrusion of the fitting pieces over the upper bearing joint surfaces compared to the depth of penetration in the upper grooves.
  • Fig. 1 generally designates a plan element which has two opposing flat side surfaces 2 and 3, two opposing bearing surfaces 4 and 5 and two opposing butt joint surfaces 6 and 7.
  • the plane elements 1 are provided with grooves 8 and 9 which only extend over a fraction of the width of the bearing joint surfaces 4, 5 and which have a constant cross section over their entire length.
  • the grooves 8 each form the upper grooves of a lower plan element, while the grooves 9 form the respective lower grooves of an upper or so-called rising plan element.
  • 4 to 7 show details of the grooves and the fitting pieces used for aligning the plan elements 1.
  • the respective lower plan element is designated 1 and the respective upper plan element 1 '.
  • the lower grooves 9 of the respective upper plan elements have parallel guide surfaces 11 and 12 running to the groove base 10.
  • the adapters have opposite parallel end faces 22 and 23, of which at least sections are supported against the guide surfaces 11 and 12 of the grooves 9 or the guide surfaces 24 and 25 of the grooves 8.
  • the fit pieces 15, 16 and 17 are circular. Due to the circular shape, as indicated in FIG. 7, they push aside thin-bed mortar 26 that has penetrated into the upper groove of the planar element 1.
  • the depth T of the lower grooves 9 of the plan elements 1 ' is greater than the depth t of the upper grooves 8 of the plan elements 1, and the sum of the depths T + t is greater than the diameter D of the fitting pieces 15, 16 and 17.
  • the diameter D the fitting pieces 15, 16 and 17 must be at least large enough that parallel end face sections of the fitting pieces protrude between the guide surfaces 11, 12 and 24, 25 of the grooves 8 and 9, respectively.
  • the maximum Width b of the fitting pieces 15, 16, 17 is approximately 0.1 to 0.3 mm smaller than the distance A between the side surfaces of the grooves 8 and 9 forming the guide surfaces 11, 12 and 24.25.
  • the fittings are preferably made of plastic. They can be injection molded, but it is also possible to cut them from a bar or tube. As the figures show, it is possible to design the fitments as solid bodies or as annular bodies.

Abstract

In a composite plane element with plane elements (1, 1') and locating mouldings (17) serving for aligning these, the locating mouldings project into grooves (8, 9) of mutually confronting upper and lower joint surfaces (4, 5). The grooves have parallel guide surfaces (11, 12, 24, 25) for guiding the disc-shaped locating mouldings (17) which are themselves equipped with parallel end faces (22, 23). <IMAGE>

Description

Die Erfindung betrifft ein Planelement-Verbund mit Planelementen und zum Ausrichten derselben dienenden kreisrunden Paßformstücken, die in Ausnehmungen einander zugewandter Lagerfugenflächen jeweils übereinander angeordneter Planelemente greifen, wobei die Ausnehmungen an den jeweils unteren und oberen Lagerfugenflächen der Planelemente von einen konstanten Querschnitt aufweisenden, durchgehenden Nuten gebildet werden, deren Seitenflächen mindestens in der Nähe des Nutgrundes parallele Führungsflächen für sich gegenüberliegende parallele Stirnflächen oder zumindest Stirnflächenabschnitte von Paßformstücken aufweisen, wobei die Paßformstücke und Nuten der Planelemente mit sich zum Nutgrund verjüngenden Einschubleitflächen versehen sind, die das Einführen der Paßformstücke in die Nuten der Planelemente erleichtern.The invention relates to a plan element assembly with plan elements and for aligning the same circular fitting pieces which engage in recesses of mutually facing bearing surface plan elements arranged one above the other, the recesses on the lower and upper bearing surface of the plan elements being formed by a constant cross-section, continuous grooves whose side surfaces have at least in the vicinity of the groove base parallel guide surfaces for opposing parallel end faces or at least end face sections of fitting pieces, the fitting pieces and grooves of the plan elements being provided with insertion guide surfaces tapering towards the groove base, which guide the insertion of the fitting pieces into the grooves of the plan elements facilitate.

Ein Planelement-Verbund der vorstehenden Art ist aus der SE-PS 2 21 810 bekannt. Bei dem bekannten Planelement-Verbund werden Paßformstücke verwendet, die in zu ihrer Aufnahme dienende Nuten eingepreßt werden müssen, da ihre Dicke etwas größer als die Breite der Nuten ist. Das Einpressen der Paßformstücke stellt nicht nur eine zusätzliche Belastung für den Bauhandwerker dar, sondern es erschwert auch das Zusammenfügen der Planelemente. Als nachteilig erweist sich bei der bekannten Konstruktion außerdem der Umstand, daß die Nuten in den unteren und oberen Lagerfugenflächen der Planelemente die gleiche Tiefe haben, führt er doch dazu, daß vergleichsweise starke Mörtelschichten die Justiergenauigkeit beeinträchtigen können, weil die Eintauchtiefe der Paßformstücke in die jeweils unteren, mit Einschubflächen versehenen Nuten der Planelemente zu wünschen übrig läßt. Das Risiko einer nicht befriedigenden Ausrichtung der Planelemente nimmt dabei zu, wenn man die Außendurchmesser der Paßformstücke aus Gründen der Wirtschaftlichkeit ihrer Herstellung und aus Gründen der Stabilität in vertretbaren Grenzen hält.A plan element composite of the above type is known from SE-PS 2 21 810. In the known plan element assembly, fitting pieces are used which have to be pressed into the grooves serving to receive them, since their thickness is somewhat larger than the width of the grooves. Pressing in the fitting pieces not only represents an additional burden for the construction worker, but also complicates the assembly of the plan elements. A disadvantage of the known construction is the fact that the grooves in the lower and upper bearing surfaces of the plan elements have the same depth, since it leads to the fact that comparatively thick layers of mortar can impair the accuracy of adjustment because the immersion depth of the fittings in each lower, with Inserts provided grooves of the plan elements leaves something to be desired. The risk of an unsatisfactory alignment of the plan elements increases if the outer diameters of the fitting pieces are kept within reasonable limits for reasons of economy of manufacture and for reasons of stability.

Der Erfindung liegt die Aufgabe zugrunde, einen Planelement-Verbund der eingangs genannten Gattung zu schaffen, dessen Paßformstücke trotz einfachster Form ein genaues Ausrichten der Planelemente sicherstellen. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die in den Nuten verschiebbar geführten scheiben- oder ringförmigen Paßformstücke an ihren Außenrändern mit umlaufenden Einschubleitflächen versehen sind und die Tiefe der unteren Nuten der Planelemente größer ist als die Tiefe der oberen Nuten der Planelemente.The invention has for its object to provide a plan element composite of the type mentioned, the fit pieces ensure precise alignment of the plan elements despite the simplest shape. This object is achieved in that the slidably guided disc-shaped or annular fittings are provided on their outer edges with circumferential insertion guide surfaces and the depth of the lower grooves of the plan elements is greater than the depth of the upper grooves of the plan elements.

Der erfindungsgemäße Planelement-Verbund bietet den Vorteil, daß seine einfach geformten, leicht handhabbaren Paßformstücke unabhängig von der Dicke des Mörtelbettes ein schnelles und genaues Ausrichten der Planelemente ermöglichen. Der einwandfreie Sitz der Paßformstücke in den jeweils oberen, d.h. weniger tiefen Nuten kann durch Sichtkontrolle überprüft werden, während der einwandfreie Sitz in den jeweils unteren Nuten aufgrund des gegenüber der Eindringtiefe in den oberen Nuten größeren Überstandes der Paßformstücke über die oberen Lagerfugenflächen gewährleistet ist.The plan element assembly according to the invention offers the advantage that its simply shaped, easy-to-handle fittings make it possible to align the plan elements quickly and precisely regardless of the thickness of the mortar bed. The perfect fit of the fittings in the upper, i.e. Less deep grooves can be checked by visual inspection, while a perfect fit in the respective lower grooves is guaranteed due to the larger protrusion of the fitting pieces over the upper bearing joint surfaces compared to the depth of penetration in the upper grooves.

Weitere Einzelheiten und Merkmale der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung der in der Zeichnung dargestellten Ausführungsbeispiele. Es zeigt

Fig. 1
die Seitenansicht eines Planelementes;
Fig. 2
die Ansicht einer Stoßfugenfläche des Planelementes gemäß Fig. 1;
Fig. 3
die Ansicht einer Lagerfugenfläche des Planelementes gemäß Fig. 1
Fig. 4
wiederum in vergrößertem Maßstab Teile zweier übereinander angeordneter Planelemente vor dem Ausrichten;
Fig. 5
die Teile der Planelemente gemäß Fig. 4 nach dem Ausrichten;
Fig. 6
Teile zweier durch ein anderes Paßformstück ausgerichteter Planelemente und
Fig. 7
einen Schnitt längs der Linie VIII-VIII in Fig. 6
Further details and features of the invention emerge from the subclaims and the following description of the embodiments shown in the drawing. It shows
Fig. 1
the side view of a plan element;
Fig. 2
the view of a butt joint surface of the plan element according to FIG. 1;
Fig. 3
the view of a bed joint surface of the plan element according to FIG. 1
Fig. 4
again on an enlarged scale, parts of two plan elements arranged one above the other before alignment;
Fig. 5
the parts of the plan elements according to Figure 4 after alignment.
Fig. 6
Parts of two plan elements aligned by another fitting and
Fig. 7
a section along the line VIII-VIII in Fig. 6

In Fig. 1 ist mit 1 allgemein ein Planelement bezeichnet, welches zwei sich gegenüberliegende plane Seitenflächen 2 und 3, zwei sich gegenüberliegende Lagerflächen 4 und 5 sowie zwei sich gegenüberliegende Stoßfugenflächen 6 und 7 aufweist. Im Bereich der Lagerfugenflächen 4 und 5 sind die Planelemente 1 mit sich lediglich über einen Bruchteil der Breite der Lagerfugenflächen 4,5 erstreckenden Nuten 8 und 9 versehen, die über ihre gesamte Länge einen konstanten Querschnitt haben. Die Nuten 8 bilden dabei die jeweils oberen Nuten eines unteren Planelementes, während die Nuten 9 die jeweils unteren Nuten eines oberen oder auch sogenannten aufgehenden Planelementes formen. Einzelheiten der Nuten und der zum Ausrichten zusammenzufügender Planelemente 1 dienenden Paßformstücke zeigen die Fig. 4 bis 7. In diesen Figuren ist das jeweils untere Planelement mit 1 und das jeweils obere Planelement mit 1' bezeichnet.In Fig. 1, 1 generally designates a plan element which has two opposing flat side surfaces 2 and 3, two opposing bearing surfaces 4 and 5 and two opposing butt joint surfaces 6 and 7. In the area of the bearing joint surfaces 4 and 5, the plane elements 1 are provided with grooves 8 and 9 which only extend over a fraction of the width of the bearing joint surfaces 4, 5 and which have a constant cross section over their entire length. The grooves 8 each form the upper grooves of a lower plan element, while the grooves 9 form the respective lower grooves of an upper or so-called rising plan element. 4 to 7 show details of the grooves and the fitting pieces used for aligning the plan elements 1. In these figures, the respective lower plan element is designated 1 and the respective upper plan element 1 '.

Die unteren Nuten 9 der jeweils oberen Planelemente weisen zum Nutgrund 10 verlaufende parallele Führungsflächen 11 und 12 auf. An die Führungsflächen 11 und 12 schließen sich Einschubleitflächen 13 und 14 für Paßformstücke 15 bzw. 16 bzw. 17 an. Die Paßstücke besitzen sich gegenüberliegende parallele Stirnflächen 22 und 23, von denen sich mindestens Abschnitte gegen die Führungsflächen 11 und 12 der Nuten 9 bzw. die Führungsflächen 24 und 25 der Nuten 8 abstützen.The lower grooves 9 of the respective upper plan elements have parallel guide surfaces 11 and 12 running to the groove base 10. Slide-in guide surfaces 13 and 14 for fitting pieces 15, 16 and 17, respectively, adjoin the guide surfaces 11 and 12. The adapters have opposite parallel end faces 22 and 23, of which at least sections are supported against the guide surfaces 11 and 12 of the grooves 9 or the guide surfaces 24 and 25 of the grooves 8.

Die Paßformstücke 15, 16 und 17 sind kreisrund. Aufgrund der kreisrunden Form drücken sie, wie in Fig. 7 angedeutet, in die obere Nut des Planelementes 1 eingedrungenen Dünnbettmörtel 26 beiseite.The fit pieces 15, 16 and 17 are circular. Due to the circular shape, as indicated in FIG. 7, they push aside thin-bed mortar 26 that has penetrated into the upper groove of the planar element 1.

Die Tiefe T der unteren Nuten 9 der Planelemente 1' ist größer als die Tiefe t der oberen Nuten 8 der Planelemente 1, und die Summe der Tiefen T + t ist größer als der Durchmesser D der Paßformstücke 15, 16 und 17. Der Durchmesser D der Paßformstücke 15, 16 und 17 muß mindestens so groß sein, daß parallele Stirnflächenabschnitte der Paßformstücke zwischen die Führungsflächen 11,12 bzw. 24,25 der Nuten 8 bzw. 9 ragen. In der Praxis ist die maximale Breite b der Paßformstücke 15,16,17 etwa 0,1 bis 0,3 mm kleiner als der Abstand A zwischen den die Führungsflächen 11,12 bzw. 24,25 bildenden Seitenflächen der Nuten 8 bzw. 9.The depth T of the lower grooves 9 of the plan elements 1 'is greater than the depth t of the upper grooves 8 of the plan elements 1, and the sum of the depths T + t is greater than the diameter D of the fitting pieces 15, 16 and 17. The diameter D the fitting pieces 15, 16 and 17 must be at least large enough that parallel end face sections of the fitting pieces protrude between the guide surfaces 11, 12 and 24, 25 of the grooves 8 and 9, respectively. In practice, the maximum Width b of the fitting pieces 15, 16, 17 is approximately 0.1 to 0.3 mm smaller than the distance A between the side surfaces of the grooves 8 and 9 forming the guide surfaces 11, 12 and 24.25.

Die Paßformstücke bestehen vorzugsweise aus Kunststoff. Sie können im Spritzgußverfahren hergestellt werden, es ist jedoch auch möglich, sie von einer Stange oder einem Rohr abzuschneiden. Wie die Figuren zeigen, ist sowohl eine Ausbildung der Paßformstücke als Vollkörper als auch als Ringkörper möglich.The fittings are preferably made of plastic. They can be injection molded, but it is also possible to cut them from a bar or tube. As the figures show, it is possible to design the fitments as solid bodies or as annular bodies.

Claims (4)

  1. Plane element connection having plane elements (1) and circular fitting shapes (15, 16, 17) which serve for aligning said plane elements and engage in recesses of mutually facing bed joint surfaces (4, 5) of plane elements (1) arranged one above the other in each case, the recesses on the respective lower and upper bed joint surfaces (5) of the plane elements (1) being formed by continuous grooves (8, 9) which have a constant crosssection and whose side surfaces have parallel guide surfaces (11, 12), at least in the vicinity of the groove base, for parallel end faces (22, 23) located opposite one another or at least end-face portions of fitting shapes (16, 17, 18), the fitting shapes (16, 17, 18) and the grooves (9) of the plane elements (1) being provided with insertion guide surfaces (13, 14) which taper towards the groove base and facilitate the introduction of the fitting shapes (16, 17, 18) into the grooves (9) of the plane elements (1), characterised in that the disc-shaped or annular fitting shapes (15, 16, 17), which are guided displaceably in the grooves (8, 9), are provided on their outer edges with circumferential insertion guide surfaces (18, 19; 20, 21), and the depth (T) of the lower grooves (9) of the plane elements (1') is greater than the depth (t) of the upper grooves (8) of the plane elements (1).
  2. Plane element connection according to Claim 1, characterised in that the maximum width (b) of the fitting shapes (15, 16, 17) is approximately 0.1 to 0.3 mm smaller than the spacing (A) between the parallel side surfaces (11, 12; 24, 25) or side surface portions of the grooves (8, 9).
  3. Plane element connection according to Claim 1 or 2, characterised in that only the lower grooves (9) of the plane elements (1, 1') are provided with insertion guide surfaces (13, 14).
  4. Plane element connection according to one of Claims 1 to 3, characterised in that the fitting shapes (15, 16, 17) are composed of plastic.
EP87730015A 1986-02-14 1987-02-13 Plain element connection Expired - Lifetime EP0233835B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87730015T ATE82348T1 (en) 1986-02-14 1987-02-13 PLAN ELEMENT COMPOSITION.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3605166 1986-02-14
DE19863605166 DE3605166A1 (en) 1986-02-14 1986-02-14 PLANELEMENT COMPOSITE

Publications (3)

Publication Number Publication Date
EP0233835A2 EP0233835A2 (en) 1987-08-26
EP0233835A3 EP0233835A3 (en) 1989-10-04
EP0233835B1 true EP0233835B1 (en) 1992-11-11

Family

ID=6294383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87730015A Expired - Lifetime EP0233835B1 (en) 1986-02-14 1987-02-13 Plain element connection

Country Status (4)

Country Link
EP (1) EP0233835B1 (en)
AT (1) ATE82348T1 (en)
DD (1) DD253444A5 (en)
DE (2) DE3605166A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120853A1 (en) * 1990-06-26 1992-01-02 Ver Sueddeutscher Kalksand Union between stone blocks for building wall - involves grooves on one horizontal face side of each block to accommodate two-armed slide
NL9101109A (en) * 1990-06-26 1992-01-16 Ver Sueddeutscher Kalksand CONNECTED COLLECTION OF BUILDING ELEMENTS.
DE19633593A1 (en) * 1996-08-21 1998-02-26 Bruno Lampka Tiled wall completion for plate and body tile designs
DE19714193C2 (en) * 1997-04-07 2000-03-23 Bosch Gmbh Robert Device for fastening components
DE10255335A1 (en) * 2002-11-27 2004-06-17 Zipp House Gmbh Building constructed from individual building modules

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1664438U (en) *
DE221810C (en) *
US1106584A (en) * 1913-07-26 1914-08-11 Harry G Robbins Wall construction.
DE2739017A1 (en) * 1977-08-30 1979-03-08 Michele Montanelli Interlocking wall building blocks - have lengthways grooves engaged by base panel rib or narrow strips between rows
US4514949A (en) * 1983-05-06 1985-05-07 Crespo Jorge L N Interlocking system for building walls
NL8303223A (en) * 1983-09-19 1984-08-01 Roelfsema Kalkzandsteenfab WALL.

Also Published As

Publication number Publication date
EP0233835A3 (en) 1989-10-04
DE3782509D1 (en) 1992-12-17
EP0233835A2 (en) 1987-08-26
ATE82348T1 (en) 1992-11-15
DD253444A5 (en) 1988-01-20
DE3605166C2 (en) 1990-02-15
DE3605166A1 (en) 1987-08-27

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