Internal reinforcement for hollow structural elements
US6058673A · kind A · utility
127Cited by
6References
54Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 19, 1997 |
| Grant date | May 9, 2000 |
| Priority date | — |
| Expiry date | Aug 19, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2003/226
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A reinforced beam has an internal I-beam structure with opposed adhesive foam layers. The foam layers are extruded, cut to length and placed on opposed surfaces of the I-beam. When the reinforced beam is heated, the adhesive layers expand to secure the I-beam in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.