Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A hollow construction tube has an outer surface comprising a plurality of spaced apart ribs that define a major diameter of the tube and the spaces or troughs between adjacent ribs define a minor diameter of the tube. Each of the ribs comprises an apex or top portion and a side wall extending from each side of the apex to an adjacent trough. The apex of each rib has a convex shape and the side walls are at an angle of between about 300 and about 600 to the surface of the tube at the adjacent trough. An elbow tube comprising at least one open end can be coupled to an end of the hollow construction tube. In some embodiments, the elbow tube comprises an annular channel adjacent the at least one open end for receiving the end of the construction tube to form a seal between at least part of an external surface of the construction tube and/or at least part of an internal surface of the construction tube and at least part of an internal surface of the annular channel. o 00 LL-4
A hollow construction tube has an outer surface comprising a plurality of spaced apart ribs that define a major diameter of the tube and the spaces or troughs between adjacent ribs define a minor diameter of the tube. Each of the ribs comprises an apex or top portion and a side wall extending from each side of the apex to an adjacent trough. The apex of each rib has a convex shape and the side walls are at an angle of between about 300 and about 600 to the surface of the tube at the adjacent trough. An elbow tube comprising at least one open end can be coupled to an end of the hollow construction tube. In some embodiments, the elbow tube comprises an annular channel adjacent the at least one open end for receiving the end of the construction tube to form a seal between at least part of an external surface of the construction tube and/or at least part of an internal surface of the construction tube and at least part of an internal surface of the annular channel. o 00 LL-4
CONSTRUCTION TUBES
HILBERT MARK (Autor:in)
18.01.2018
Patent
Elektronische Ressource
Englisch
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