Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – With forming or cutting of pipe or cable
Patent
1997-01-08
1998-03-17
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
With forming or cutting of pipe or cable
405154, 405146, F16L 100
Patent
active
057279047
ABSTRACT:
A rehabilitation system has been developed for cleaning, testing and slip lining pipe particularly sewer lines while in service. The system includes the use of equipment adapted for use on mobile vehicles to increase efficiency and mobility of the system. The cleaning system utilizes a specialized cleaning bucket that can be pulled from excavations and existing manholes. The testing and lining systems also utilize specialized test mandrels and pulling mandrels for the pipe liner that can be used with equipment operating, in part, from existing manholes.
REFERENCES:
patent: 778903 (1905-01-01), Schussler
patent: 2735122 (1956-02-01), Pletcher
patent: 3058137 (1962-10-01), Doyle et al.
patent: 3562836 (1971-02-01), McGhee Frew et al.
patent: 4337096 (1982-06-01), Clifford
patent: 4487052 (1984-12-01), Yarnell
patent: 5444887 (1995-08-01), Rufolo
Boyer, Inc.
Taylor Dennis L.
LandOfFree
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