EP0127554B1 - Bauteile für räumliche Tragkonstruktionen - Google Patents

Bauteile für räumliche Tragkonstruktionen Download PDF

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Publication number
EP0127554B1
EP0127554B1 EP84420086A EP84420086A EP0127554B1 EP 0127554 B1 EP0127554 B1 EP 0127554B1 EP 84420086 A EP84420086 A EP 84420086A EP 84420086 A EP84420086 A EP 84420086A EP 0127554 B1 EP0127554 B1 EP 0127554B1
Authority
EP
European Patent Office
Prior art keywords
members
spatial structure
load
section
carrying spatial
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
EP84420086A
Other languages
English (en)
French (fr)
Other versions
EP0127554A1 (de
Inventor
Georges Chailleux
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.)
Cegedur Societe de Transformation de lAluminium Pechiney SA
Original Assignee
Cegedur Societe de Transformation de lAluminium Pechiney SA
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
Priority claimed from FR8308543A external-priority patent/FR2546208B1/fr
Priority claimed from FR8406165A external-priority patent/FR2562989B1/fr
Application filed by Cegedur Societe de Transformation de lAluminium Pechiney SA filed Critical Cegedur Societe de Transformation de lAluminium Pechiney SA
Publication of EP0127554A1 publication Critical patent/EP0127554A1/de
Application granted granted Critical
Publication of EP0127554B1 publication Critical patent/EP0127554B1/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1933—Struts specially adapted therefor of polygonal, e.g. square, cross section
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1936—Winged profiles, e.g. with a L-, T-, U- or X-shaped cross section
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1957—Details of connections between nodes and struts
    • E04B2001/196—Screw connections with axis parallel to the main axis of the strut
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B2001/1975—Frameworks where the struts are directly connected to each other, i.e. without interposed connecting nodes or plates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E04C2003/0417—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts demountable
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0421—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section comprising one single unitary part
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/043—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0439—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the cross-section comprising open parts and hollow parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0447—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section circular- or oval-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0465—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section square- or rectangular-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0469—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section triangular-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0486—Truss like structures composed of separate truss elements
    • E04C2003/0495—Truss like structures composed of separate truss elements the truss elements being located in several non-parallel surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/341—Three or more radiating members
    • Y10T403/342—Polyhedral

Definitions

  • the invention relates to frames constituting the elements of a bearing spatial structure.
  • Spatial structures such as scaffolding, floors, frames, domes, etc. which are constituted by its tubular members, fixed for example, by axial screwing on nodes by means of a part or end welded on this member and comprising a corresponding thread - see for example FR 2 452 628 -.
  • This tip may have, depending on the case, a cylindrical or frustoconical shape.
  • the members support in addition to the axial forces, bending forces, often in a preferred direction (for example vertical in the case of gravity).
  • Profiles generally other than circular, having a shape and a moment of inertia adapted to the sudden forces, with a view to saving material, are therefore generally used.
  • connections of these members on the nodes are made via a plane end surface or at least a spherical projection surface equal to the cross section of the cylindrical tube used; this results in a very large footprint which reduces the number and / or the unitary section of the usable members, linked to the same node.
  • the present invention solves these difficulties by using members whose cross section of any shape, comprises a central circular channel, and at least one of the ends of which is tapered, in order to release said central channel, for example in a conical or pyramidal shape.
  • members whose cross section of any shape comprises a central circular channel, and at least one of the ends of which is tapered, in order to release said central channel, for example in a conical or pyramidal shape.
  • the size in the vicinity of the nodes is limited, without having recourse to a specific piece added by welding or other connecting means, such as that described in FR 2 452 628.
  • This arrangement also facilitates braking of the axial fixing screw, once put in place, by ovalization of the central channel on either side of it, using a manual or pneumatic clamp, usable on site, by exerting pressure in two diametrically opposite zones thereof.
  • the members according to claims 1 and 2 can also serve as connecting ends to be fixed in a simple tubular profile whose internal profile is equal to the external profile of the member considered; these tips are machined into a tapered shape; they are fixed in the simple tubular profile by welding, gluing or any other means; this process is however better suited to prefabricated structures in the factory.
  • Figures 2 and 3 show a frame according to the invention, having an axial channel (3) connected to the cylindrical outer tubular form (5) by four fins (6).
  • the end of the latter has been chamfered in a cone so as to release the central channel (3). Therefore, the frame has on the one hand a reduced front surface and on the other hand, it allows the braking of the fixing screw, once in place, by exerting the forces represented by the arrows.
  • FIG. 4 represents a tapered connecting end piece (a) produced by removing the part (a) of the frame (2) - FIG. 2 - which is fixed to the end of a circular cylindrical tube (7) by the cord solder (8).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Claims (3)

1. Bauteil für gerippte räumliche Struktur (2) mit geradem Querschnitt beliebiger äußerer Form, das einen einzigen Kanal (3) in seinem mittleren Bereich aufweist, dadurch gekennzeichnet, daß mindestens einer seiner Enden durch spanende Bearbeitung angespitzt ist. um den mittleren Kanal freizulegen.
2. Bauteil nach Anspruch 1, dadurch gekennzeichnet, daß dessen Außenfläche eine oder mehrere Längsnuten (10) aufweist.
3. Verwendung des Endes des Bauteils nach Anspruch 1 zur Herstellung eines Verbindungsstücks zwischen einem einfachen rohrförmigen Bauteil und einem Kreuzungsstück der Struktur.
EP84420086A 1983-05-17 1984-05-14 Bauteile für räumliche Tragkonstruktionen Expired EP0127554B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8308543A FR2546208B1 (fr) 1983-05-17 1983-05-17 Membrures pour structure spatiale reticulee
FR8308543 1983-05-17
FR8406165 1984-04-16
FR8406165A FR2562989B1 (fr) 1984-04-16 1984-04-16 Membrures pour structures portantes a canal axial

Publications (2)

Publication Number Publication Date
EP0127554A1 EP0127554A1 (de) 1984-12-05
EP0127554B1 true EP0127554B1 (de) 1987-05-06

Family

ID=26223449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84420086A Expired EP0127554B1 (de) 1983-05-17 1984-05-14 Bauteile für räumliche Tragkonstruktionen

Country Status (3)

Country Link
US (1) US4674256A (de)
EP (1) EP0127554B1 (de)
DE (1) DE3463537D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5371988A (en) * 1990-11-28 1994-12-13 Hannes; Paul Modular building system and frame members
DE4307920A1 (de) * 1993-03-12 1994-09-15 Zeller Plastik Koehn Graebner Profil-System
JP5811946B2 (ja) * 2012-05-16 2015-11-11 株式会社オートネットワーク技術研究所 ワイヤハーネス
EP3728100B1 (de) 2017-12-19 2023-09-06 3M Innovative Properties Company Kran für engen raum
GB201800400D0 (en) * 2018-01-10 2018-02-21 Modular Walling Systems Ltd Structural components

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US470237A (en) * 1892-03-08 Conduit for electric wires
NL285720A (de) * 1900-01-01
US726801A (en) * 1902-12-20 1903-04-28 William Maxwell Metallic pole.
US1677714A (en) * 1924-12-29 1928-07-17 Hurxthal F Frease Tubular structure
US2097600A (en) * 1934-12-31 1937-11-02 Pavlecka John Column structure
US3110754A (en) * 1960-05-11 1963-11-12 William W Witort Conduit system and components therefor
US3592493A (en) * 1968-05-30 1971-07-13 Aluminum Systems Ltd Constructional systems
FR1596616A (de) * 1968-10-15 1970-06-22
FR1600242A (de) * 1968-12-31 1970-07-20
US3779282A (en) * 1971-11-08 1973-12-18 Boeing Co Annulus inverting valve
DE2260417A1 (de) * 1972-12-07 1974-06-20 Mannesmann Roehren Werke Ag Knotenpunktverbindung
US4027449A (en) * 1973-01-30 1977-06-07 Alcalde Cilveti Francisco Javi System for constructing spatial structures
CH593656A5 (de) * 1975-02-18 1977-12-15 Vieler Gmbh Geb
DE2704954A1 (de) * 1977-02-07 1978-08-10 Otto Prof Dipl Ing D Jungbluth Raeumliches tragwerk aus staeben und knotenkoerpern
US4161088A (en) * 1977-11-11 1979-07-17 Gugliotta Paul F Pipe-and-ball truss array
US4183190A (en) * 1978-05-01 1980-01-15 Roper Corporation Space frame construction system
FR2452628A1 (fr) * 1979-03-27 1980-10-24 Chateau Stephane Du Assemblage de barres pour structures reticulees de charpentes metalliques
DK146578C (da) * 1980-04-02 1984-04-24 Voss Unical As Byggesaet til fremstilling af et panel, f.eks. et skilt
US4438615A (en) * 1981-11-30 1984-03-27 Space Structures International Corp. Orba-hub
US4496823A (en) * 1982-11-22 1985-01-29 Bob Mann & Associates Incorporated Multiple passage conduit for fume extracting welding gun

Also Published As

Publication number Publication date
DE3463537D1 (en) 1987-06-11
EP0127554A1 (de) 1984-12-05
US4674256A (en) 1987-06-23

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