Pre-cast concrete building module
US5950390A · kind A · utility
15Cited by
19References
33Claims
0Family size
Inventor
Key dates
| Filing date | Apr 20, 1998 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Apr 20, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B1/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pre-cast one-piece concrete building module including a concrete panel having a face with a plurality of weight-saving cavities formed therein and a concrete frame integral with the cavity forming face of the panel. The frame includes a longitudinally spaced apart main end beams spanned by a plurality of laterally spaced apart secondary beams. A plurality of concrete reinforcing ribs are disposed between the end beams and formed integrally with the cavity forming face of the panel and adjacent secondary beams. The reinforcing rib has a concave surface extending between the secondary beams and is preferably of a parabolic shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.