Coupling and joint for fixedly and sealingly securing components to one another
US8925978B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2013 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Jan 18, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L37/091
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An assembly may include a fitting, a first pipe, and a first seal. The fitting may include an annular body having a first insertion end and an inner diametrical surface having a first knurled portion disposed adjacent the first insertion end. The first pipe may include a first end portion that is received into the first insertion end of the body and an outer diametrical surface including knurls formed thereon. The knurls of the outer diametrical surface may engage the first knurled portion of the fitting. The first seal element may be disposed within the fitting and may sealingly engage the first pipe and the fitting body. The engagement between the inner diametrical surface of the fitting and the outer diametrical surface of the pipe may a press fit and/or an interference fit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.