Electrically weldable bushings
US4530520A · kind A · utility
16Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1984 |
| Grant date | Jul 23, 1985 |
| Priority date | — |
| Expiry date | Mar 8, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C65/3468
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A bushing for joining the ends of fluid line conduits, or similar elements, comprising a body of thermoplastic, in which is embedded, in helical form, a resistance wire. The wire has a low coefficient of thermal expansion, permitting the thermoplastic material to melt and weld prior to the expansion thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.