System, method and apparatus for expansion coupling for pipes
US11131408B2 · kind B2 · utility
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13References
22Claims
0Family size
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Key dates
| Filing date | Dec 22, 2017 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Mar 17, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L41/021
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A coupling can include a coupling body having an axis, an axial length, an axial center, axial ends and an inner surface comprising an inner diameter that is substantially constant over an entirety of the axial length. A single shoulder can protrude radially inward relative to the axis from the inner surface, such that the inner surface has no other shoulders. In a version, the single shoulder is not axially aligned with the axial center of the coupling body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.