Method for production of an air jet nozzle

Details Method for production of an air jet nozzle Method for production of an air jet nozzle

1990-08-24

1991-12-31

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Gas and water specific plumbing component making

29890143, B21D 5300, B21K 2900, B23P 1526

Patent

active

050759680

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.

REFERENCES:
patent: 2318769 (1943-05-01), Freeman et al.
patent: 4432497 (1984-02-01), Woste
patent: 4502196 (1985-03-01), Kupper et al.
patent: 4663811 (1987-05-01), Gellert
patent: 4733447 (1988-03-01), Ageishi
patent: 4764180 (1988-08-01), Shaddock
patent: 4766657 (1988-08-01), Singer
patent: 4801095 (1989-01-01), Banzhaf et al.
patent: 4897907 (1990-02-01), Kopiec et al.

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