Thermally insulated pipe with electrically conducting portions for dissipating static electricity
US4103320A · kind A · utility
14Cited by
3References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 1976 |
| Grant date | Jul 25, 1978 |
| Priority date | — |
| Expiry date | Nov 22, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L59/16
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A thermally insulated pipe particularly destined for mining industries, comprising an outer and an inner pipe, whereinbetween an insulating layer is arranged, the outer pipe being made of a synthetic material. The surface of the outer pipe is provided with an outside surface layer, being electrically conductive, which layer is connected with the inner pipe in an electrically conducting manner. The insulating material inbetween the two pipes is heat resistant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.