Six sided forged ferrule staking crimped fitting and method of manufacture thereof
US10415731B2 · kind B2 · utility
27Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2017 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Dec 22, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L19/025
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Methods of making hose fittings include providing a stem having a fluid conduit, a first end, a second end with a raised shoulder, and a crimp region disposed between the first end and the second end. A swivel tube nut is placed over the stem, and the swivel tube nut is retained on the stem the by the raised shoulder. A ferrule is thereafter placed over the first end of the stem, and the ferrule comprises a partially formed hexagonal wrench surface, formed prior to. The ferrule is then crimped, at the hexagonal wrench surface, onto the crimp region of the stem.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.