Drain channel for a tramway track
US9562331B2 · kind B2 · utility
0Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2012 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Jul 4, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B21/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tramway track drainage device includes a drain channel section (5, 6) provided with two ends, at least one end being provided with a wall (14, 16) closing the end. The device further includes an opening (41) created in the wall (14, 16) to form an inspection window for a cable connection (80) with a rail (2) and a plug (60, 70) for closing the opening (41), removable from inside the drain channel section (5, 6).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.