Cable conduit

Details Cable conduit Cable conduit

1999-09-20

2001-07-03

Stodola, Daniel P. (Department: 3634)

Supports

Pipe or cable

Brackets

C174S019000, C174S068300, C174S0450TD, C211S026200

Reexamination Certificate

active

06254041

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to cable conduits.
The invention relates more specifically to cable conduits comprising a section with at least one wall in which U-shaped cut-out sections are provided, each delimiting a tongue.
BACKGROUND OF THE INVENTION
Document EP-A-0 813 012 describes an example of this type of cable conduit, in which the tongues are used for attaching cable fixing collars.
The known cable conduit of this type has a disadvantage in that it requires special accessories at points where the cables are run out from the cable conduit, which increases the cost and complexity of using this cable conduit.
OBJECTS AND SUMMARY OF THE INVENTION
The specific purpose of this invention is to overcome this drawback.
To this end, the invention proposes a cable conduit of the type in question which is essentially characterised in that at least one of said tongues is folded back on itself so as to leave free a cut-out portion through which cable can be passed through the wall of the cable conduit.
As a result of this arrangement, there is no need for any special costly or complex fixtures for running cables into and out from the cable conduit. Furthermore, the tongue can be folded back on itself to free up a cut-out passage for the cable in a simple and rapid operation on the part of the cable fitter. Finally, if the U-shaped cut-out portions are spaced at quite short intervals along the cable conduit, the invention provides an option of selecting precisely the best point for forming a cable passage.
In preferred embodiments of the invention, one and/or another of the following arrangements may optionally be provided:
the profile may be U-shaped in cross-section having a base and two wings;
the U-shaped cut-out portions are arranged at least in the base of the section;
the U-shaped cut-out portions are arranged at regular intervals along the run of cable conduit;
the tongue which is folded back on itself to free up a cable passage opening is folded out towards the exterior of the cable conduit;
the tongue which is folded back on itself to free up a cable passage opening is folded out at substantially 180 degrees;
the cable conduit supports at least one cable which is passed through the cable passage opening;
the cable passage opening is of a width at least equal to 1 cm and a length at least equal to 2 cm;
the section is made from metal.


REFERENCES:
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patent: 4723749 (1988-02-01), Carraro et al.
patent: 5267710 (1993-12-01), Condon
patent: 5752682 (1998-05-01), Anderson
patent: 5971329 (1999-10-01), Hickey
patent: 0 813 012 A1 (1997-12-01), None
patent: 1 375 765 (1963-04-01), None

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