Eight sided forged ferrule staking crimped fitting and method of manufacture thereof
US10576525B2 · kind B2 · utility
0Cited by
15References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 20, 2017 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | May 25, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L33/30
- 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 or fully formed octagonal wrench surface, formed prior to. The ferrule is then crimped, at the octagonal wrench surface, onto the crimp region of the stem.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.