发明名称 |
Prefabricated stairway and method |
摘要 |
A stairway comprises a one-piece fiber reinforced plastic base having a plurality of riser surfaces and tread surfaces forming steps and a landing surface. The tread surfaces and the landing surface are configured to include an integral reinforcement surface region extending along a length of each tread surface and the landing. A preformed plastic tread member is fastened on a respective one of the tread surfaces of the base, and a preformed plastic landing member fastened on the landing surface. The base comprises a front wall region, first and second side wall regions and a rear wall region integrally formed as one-piece and is comprised of an outer filled resin layer and a plurality of fiber reinforced filled resin layers. |
申请公布号 |
US2003121221(A1) |
申请公布日期 |
2003.07.03 |
申请号 |
US20030371747 |
申请日期 |
2003.02.21 |
申请人 |
CERAMIC TECHNOLOGIES CORPORATION |
发明人 |
KRESS RUSSELL L. |
分类号 |
E04F11/02;E04F11/16;E04H4/14;(IPC1-7):E04F11/16;E04F11/00;E04F15/00;E04F19/10 |
主分类号 |
E04F11/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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