Tubular reinforcement element and method of making same
US5143471A · kind A · utility
3Cited by
12References
15Claims
0Family size
Inventor
Key dates
| Filing date | May 15, 1990 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | May 15, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B7/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tubular reinforcement element between two hollow tubular members includes an internal lug located internally of the open end of the one hollow tubular member. The internal lug includes a slotted side wall of the same configuration as, and bonded to the inner face of, the open end of one hollow tubular member, and a concave end wall integrally formed with the side wall and extending across the open end of the one hollow tubular member. The end wall of the internal lug has a concave surface complementary and bonded to the curved external surface of the second tubular member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.