Pipes and tubular conduits – Reinforced – With embedded element
Patent
1981-01-07
1983-11-01
Bryant, III, James E.
Pipes and tubular conduits
Reinforced
With embedded element
138140, 138145, 138152, 138153, 138175, 138DIG2, 428247, F16L 908
Patent
active
044125615
ABSTRACT:
A glass fiber-reinforced cement non-plate article is composed of an inside mortar layer comprising a mixture of normal Portland cement and glass fiber chopped strand, an outside mortar layer comprising a mixture of normal Portland cement and glass fiber chopped strand, and a regulated set cement mortar layer interposed between said both layers by the aid of a continuous glass fiber layer.
REFERENCES:
patent: 1639999 (1927-08-01), Humphreys
patent: 3581780 (1971-06-01), Ono et al.
patent: 4335177 (1982-06-01), Takeuchi
Sakaguchi Keizo
Takeuchi Shigeru
Bryant III James E.
Kurimoto Iron Works, Ltd.
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