Mining installation equipment
US4545621A · kind A · utility
5Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1983 |
| Grant date | Oct 8, 1985 |
| Priority date | — |
| Expiry date | Sep 15, 2003 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/046
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Services, such as electricity and water, are supplied through conduits to moving machinery such as a longwall mining machine which moves along a conveyor or other fixed path. A channel having an open mouth which is flexibly sealed is disposed alongside the path and contains supply conduits for the machine. A sleeve projects through the channel seals into the body of the channel and guides the conduits to the machine. A gas may be fed to the machine via the channel and sleeve. As the machine moves the conduits bend over themselves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.