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US 4,412,561 AGranted
Glass fiber-reinforced cement non-plate articles
AssigneeKurimoto Iron Works, Ltd.
InventorsKeizo Sakaguchi, Shigeru Takeuchi
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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.
Claims10
A glass fiber-reinforced, cement mortar article having a non-planar shape, which comprises an inner layer comprised of a mixture of Portland cement and chopped glass fiber strands;
- a first layer of continuous glass fibers located on said inner layer;
- an outer layer comprised of a mixture of Portland cement and chopped glass fiber strands;
- a second layer of continuous glass fibers located on said outer layer;
- and an intermediate layer comprised of regulated set cement interposed between said inner and outer layers.
1 more element
Dependencies are inferred from the claim text.