Method for production of an air jet nozzle
US5075968A · kind A · utility
4Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1990 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Aug 24, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49433
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Method of forming a nozzle for use in air jet thread spinning processes, the nozzle comprising a body of selected steel material having a thread passage with an axis extending the longitudinal length of the body and one or more lateral bores entering tangentially into the passage, the method comprising the steps of selecting a raw unhardened steel material which is hardenable by heat or nitriding treatment; forming the body of the nozzle including the passage and the lateral bores out of the selected raw steel material; and hardening the formed body of raw steel material to a hardness of at least about 50 HRC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.