Pipe coupling
US7540540B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 11, 2007 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Jan 11, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L17/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pipe coupling inc1udes a pair of half members which have a half-ring shape on the x-y plane and a thickness along the z axis, wherein the half member includes a first end on which a circumferential groove is disposed, the circumferential groove including a first groove surface and a second groove surface which are inclined over the x-y plane; and a second end on which a circumferential protrusion is disposed, the circumferential protrusion including a first protrusion surface and a second protrusion surface which are inclined over the x-y plane, wherein the first groove surface and the second groove surface are inclined over the x-z plane in the same angle and direction as the first protrusion surface and the second protrusion surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.