Fiber reinforcing composites comprising portland cement having embedded therein precombined absorbent and reinforcing fibers
US4133928A · kind A · utility
51Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1977 |
| Grant date | Jan 9, 1979 |
| Priority date | — |
| Expiry date | Aug 29, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/56
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Fibre reinforced composites of cementitious materials or gypsum are reinforced with pre-combined mixtures of strong reinforcing fibres e.g., glass or steel, and water absorbent fibres, e.g., cotton. Examples of composites are cement pipes, wall boards, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.