Tube with internal channel

A tube with an internal channel of a complex geometry. The channel does not distort or collapse when the tube is bent 90 degrees with a 4-inch radius. Fabric may be inserted into and securely held in the internal channel. The tube is suitable for constructing frames of fabric structures, such as dod...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HALLETT RICHARD A, DOWZALL RICHARD A
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING CEILINGS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS ROOFS WALLS, e.g. PARTITIONS
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