A multitubular device having an external cylindrical or regular polygonal tubing with a profile of longitudinally constant or invariable section and internal cavities defined by separating membranes, the external cylindrical or regular polygonal tubing and the separating membranes being made of high
A multitubular device having an external cylindrical or regular polygonal tubing with a profile of longitudinally constant or invariable section and internal cavities defined by separating membranes, the external cylindrical or regular polygonal tubing and the separating membranes being made of high density polyethylene (HDPE) or equivalents thereof. Preferably, the multitubular device is a heptatube, a dodecatube or a tridecatube. The heptatube version has an external cylindrical tubing (1) of longitudinally constant section profile to provide seven cavities (2) defined by separating membranes (3), six of the cavities being of irregular trapezoidal shape and the remaining cavity being of circular, hexagonal or regular polygonal shape, the cavity being concentrically arranged as regards the external cylindrical tubing, defining internal smaller sides (4) of each of the trapezoidal cavities and the internal outline (5) of the central cavity, membrane (3) separating the trapezoidal cavities from the central cavity. A procedure for the production of the multitubular device, a method for the installation thereof, a die for the production of the heptatube production, use of the multitubular device for cable housing and laying, a joint and use of the joint, preferably for the connection of multitube stretches.
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A multitubular device having an external cylindrical or regular polygonal tubing with a profile of longitudinally constant or invariable section and internal cavities defined by separating membranes, the external cylindrical or regular polygonal tubing and the separating membranes being made of high
A multitubular device having an external cylindrical or regular polygonal tubing with a profile of longitudinally constant or invariable section and internal cavities defined by separating membranes, the external cylindrical or regular polygonal tubing and the separating membranes being made of high density polyethylene (HDPE) or equivalents thereof. Preferably, the multitubular device is a heptatube, a dodecatube or a tridecatube. The heptatube version has an external cylindrical tubing (1) of longitudinally constant section profile to provide seven cavities (2) defined by separating membranes (3), six of the cavities being of irregular trapezoidal shape and the remaining cavity being of circular, hexagonal or regular polygonal shape, the cavity being concentrically arranged as regards the external cylindrical tubing, defining internal smaller sides (4) of each of the trapezoidal cavities and the internal outline (5) of the central cavity, membrane (3) separating the trapezoidal cavities from the central cavity. A procedure for the production of the multitubular device, a method for the installation thereof, a die for the production of the heptatube production, use of the multitubular device for cable housing and laying, a joint and use of the joint, preferably for the connection of multitube stretches. al., 134/001.1; US-6401728, 20020600, Chow et al., 134/001.1; US-6425953, 20020700, Johnson, 118/723.I
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이 특허에 인용된 특허 (10)
Lindsay Ronald J. (Hudson OH) Cross Clifford W. (Akron OH), Energy absorbing device.
Thayer Richard S. (Bainbridge OH) Herbert William J. (Mantua OH) Klein Gary S. (Bedford Heights OH), Shrinkable sleeve adapted for cable and tubing gas flow blocking.
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