Pipes and tubular conduits – Reinforced – With embedded element
Patent
1974-04-24
1976-09-28
Queisser, Richard C.
Pipes and tubular conduits
Reinforced
With embedded element
F16L 908
Patent
active
039825655
ABSTRACT:
A method of manufacturing prestressed concrete pipe which comprises arranging a reinforcing cage in a form, casting expansive concrete within the form in such a manner that the reinforcing cage is disposed outwardly of the center of the wall thickness of the concrete layer, and then forming the pipe centrifugally.
REFERENCES:
patent: 3034537 (1962-05-01), Seaman et al.
patent: 3467144 (1969-09-01), Rice et al.
patent: 3503788 (1970-03-01), Franklin et al.
patent: 3520968 (1970-07-01), Kreston
patent: 3654968 (1972-04-01), Mizuma
Gorenstein Charles
Nippon Hume Pipe Company Limited
Queisser Richard C.
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