Method of making a thin wall nozzle

Details Method of making a thin wall nozzle Method of making a thin wall nozzle

2007-06-19

2007-06-19

Bryant, David P. (Department: 3726)

Metal working

Method of mechanical manufacture

Gas and water specific plumbing component making

C029S890140, C029S890120, C029S890132, C072S356000

Reexamination Certificate

active

10319906

ABSTRACT:
A novel method of making a nozzle by forcing a malleable metallic disk into a series of cavities in progression using punches to draw down a formed section so metal can be pulled into the shape of the next cavity in the series. Each cavity differs in size and shape, progression of the nozzle to the next cavity occurs until the metal is incrementally hardened by each step in the progression and the desired shape is formed. Wall thickness of the nozzle can be selectively varied in each section drawn down or pulled. Exceptionally accurate nozzles can be made with smooth, hard, rigid, walls of varying and constant thickness at low cost.

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patent: 6131282 (2000-10-01), Takami et al.
patent: 6186422 (2001-02-01), Hubner et al.
patent: 2001/0022024 (2001-09-01), Takeuchi et al.

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