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.)
Publication of NL19273CpublicationCriticalpatent/NL19273C/xx
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
E04B1/38—Connections for building structures in general
E04B1/58—Connections for building structures in general of bar-shaped building elements
E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
E04B1/5837—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
E04B1/585—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form with separate connection devices
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
E04B1/38—Connections for building structures in general
E04B1/58—Connections for building structures in general of bar-shaped building elements
E04B2001/5868—Hinged connections
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
E04B1/38—Connections for building structures in general
E04B1/58—Connections for building structures in general of bar-shaped building elements
E04B2001/5875—Connections for building structures in general of bar-shaped building elements using exterior clamping plates or shells