Hollow tubular members and a method of making such members
US4693140A · kind A · utility
12Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1986 |
| Grant date | Sep 15, 1987 |
| Priority date | — |
| Expiry date | Oct 28, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2152
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Hollow tubular members for the transmission of compressive, tensile, bending and torsional forces. The hollow member is made of fibre-reinforced plastics and comprises a tubular central portion and tapered conical end portions which form an integral whole with the central portion. A synthetic organic polymer is used as the reinforcing fibre.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.