Prestressing steel material
US4849282A · kind A · utility
15Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1987 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Jun 15, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2927
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An elongated prestressing steel material for use in the fabrication of prestressed concrete comprises a steel member and an outer coat of many microcapsules each containing a flowable material in its interior.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.