Title:
MULTI-COMPARTMENT AERIAL DUCT
Document Type and Number:
WIPO Patent Application WO2003085304
Kind Code:
A3
Abstract:
A duct (10) is made up of a plurality of layers (11, 12, 13) of pliant material. The layers (11, 12, 13) are attached by stitching (20, 22) to form pockets (23, 24) between adjacent layers. One of the layers (11) is wider than the others and extends over the lateral edges (17, 19) of those layers (12, 13), and when the stitching (22) is applied, a loop (21) is formed. The loop (21) receives a strength member (26) which may be engaged by a clamp (31) carried by a bracket (34) which may be attached to a utility pole (30) to carry the duct (10) overhead. In another embodiment, a duct (40) includes enclosed loops (41, 42, 43) forming pockets (50, 51, 52). Stitching (54) connects the loops (41, 42, 43) and forms another loop (55) to receive a strength member (56). In yet another embodiment, the layers (61, 62, 63 and 64) are of different lateral widths, and the longest layer (64) extends around one of the edges of the other layers (61, 62, 63) to form a loop (71) when stitching (65) is applied. The loop (71) receives the strength member (73).
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Inventors:
ALLEN JERRY
Application Number:
PCT/US2003/009438
Publication Date:
January 08, 2004
Filing Date:
March 27, 2003
Export Citation:
Assignee:
MARC TALON INC (US)
International Classes:
H02G7/05; H02G7/06; H02G1/02; (IPC1-7): F16L55/00
Foreign References:
| US2585054A | 1952-02-12 | |||
| US6304698B1 | 2001-10-16 | |||
| US6251201B1 | 2001-06-26 | |||
| US5678609A | 1997-10-21 | |||
| US5226456A | 1993-07-13 |
Other References:
See also references of EP 1490622A4
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