Invention Grant
- Patent Title: Eight sided forged ferrule staking crimped fitting and method of manufacture thereof
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Application No.: US15817328Application Date: 2017-11-20
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Publication No.: US10576525B2Publication Date: 2020-03-03
- Inventor: Jeremy Jay Lidgett , Craig Boche
- Applicant: ContiTech USA, Inc.
- Applicant Address: US OH Fairlawn
- Assignee: ContiTech USA, Inc.
- Current Assignee: ContiTech USA, Inc.
- Current Assignee Address: US OH Fairlawn
- Agent David Cate; Gregory Adams
- Main IPC: B21D39/04
- IPC: B21D39/04 ; F16L33/30 ; F16L19/025 ; F16L33/207 ; F16L33/22

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.
Public/Granted literature
- US20190151927A1 EIGHT SIDED FORGED FERRULE STAKING CRIMPED FITTING AND METHOD OF MANUFACTURE THEREOF Public/Granted day:2019-05-23
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