Means and method of manufacturing a high strength bar
US4268561A · kind A · utility
16Cited by
1References
9Claims
0Family size
Inventors
Key dates
| Filing date | Jun 29, 1979 |
| Grant date | May 19, 1981 |
| Priority date | — |
| Expiry date | Jun 29, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24785
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A high strength bar and means and method of manufacture particularly suited for use as railroad crossties, planking, posts, beams, poles or the like, comprising woven fabric webs forming multiple laminations bonded by a high strength bonding agent, the fabric web laminations extending longitudinally of the bar and folded back and forth in the course of manufacture, then compressed and the bonding agent cured, the ratio of fabric to bonding agent ranging from 50% to 90%. Multiple laminations of fabric, with different weave patterns arranged to increase the strength of the bar may be applied simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.