Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1988-11-21
1990-03-20
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
138192, 405158, 405166, F16L 104
Patent
active
049096699
ABSTRACT:
A pipeline joint protector which comprises a sheet of high density plastic material which is adapted to encircle the exposed end portions of abutting lengths of pipe which are wrapped or covered with concrete weight coating substantially throughout their lengths with only short end sections of the pipe exposed. The pipeline protector extends radially outwardly from the central pipe to approximately the diameter of the weight coat material and substantially spans the space between adjacent portions of weight coat material on the abutting joints of pipe welded together to form the pipe joint. The pipe joint protector includes high density plastic or elastomeric rubber material which substantially fills the lower one half of the annular space between the plastic sheet and pipe between adjacent weight coat sections.
REFERENCES:
patent: 2761949 (1956-09-01), Colton
patent: 3321925 (1967-05-01), Shaw
patent: 3744823 (1973-07-01), Muir et al.
patent: 3801140 (1974-04-01), Keller
patent: 4103505 (1978-08-01), Howerton
patent: 4449852 (1984-05-01), Muszynski
Taylor Dennis L.
Wilson H. Coke
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