Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – With protection or indication of pipe or trench
Patent
1984-12-12
1986-11-18
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
With protection or indication of pipe or trench
116DIG14, 405154, F16L 5700, G01D 2100
Patent
active
046232826
ABSTRACT:
Locating underground utility lines or elements of construction with a frangible body or tape. The tape includes printing indicia identifying the type of underground facility with the printing indicia protected from the environment. The tape is color coded to the type of underground facility and has soil contrasting reflective stripes to aid in tape detection.
REFERENCES:
patent: 3115861 (1963-12-01), Allen
patent: 3282057 (1966-11-01), Prosser
patent: 3327484 (1967-06-01), Launder et al.
patent: 3339369 (1967-09-01), Ryan
patent: 3504503 (1970-04-01), Allen
patent: 3568626 (1971-03-01), Southworth
patent: 3633533 (1972-01-01), Allen
patent: 3908582 (1975-09-01), Evett
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