Pipes and tubular conduits – Plural duct
Patent
1987-05-27
1989-02-14
Marcus, Stephen
Pipes and tubular conduits
Plural duct
138112, 138114, 350 9623, G02B 644, F16L 918
Patent
active
048040207
ABSTRACT:
A conduit liner assembly for use in the installation of a series of fiber optics cables in an existing conduit. The conduit liner assembly includes a plurality of individual chambered inserts each having a central chamber and connected one to another in bundled engagement such that each of the inserts is longitudinally moveable individually with respect to each of the inserts adjacent thereto. Also provided is a method for installation of a conduit liner assembly in an existing conduit including the steps of connecting a group of separate tubular inserts together into a loosely held bundle wherein the separate tubular inserts are longitudinally moveable with respect to one another when connected. The bundle of inserts is next pulled through an existing conduit at a suitable access point in the conduit. The bundle is separated at the access point into separate tubular inserts. A pulling force is the applied to each of the separate tubular inserts. And the assembly is pulled through the conduit by applying the pulling force to each separate insert.
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patent: 4046408 (1977-09-01), Ausnit
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patent: 4653541 (1987-03-01), Oehlschlaeger et al.
patent: 4687294 (1987-08-01), Angeles
patent: 4688890 (1987-08-01), DeMeo et al.
Marcus Stephen
Proprietary Technology, Inc.
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