Relating to gate valves
US9777846B2 · kind B2 · utility
3Cited by
1References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2013 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Nov 7, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K27/044
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gate valve (10) is provided and comprises: a valve body (12,14) including an aperture (20, 22); a gate (42) reciprocally movable within the body between a first position in which the aperture is occluded to a second position in which the aperture is open; a bearing member (36a, 36b) over which the gate moves in the body; and a loading member (30a, 30b) for urging the bearing member against the gate. The loading member comprises a lattice-like elastomeric mat (30a, 30b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.