Process for manufacturing nozzle tip

Details Process for manufacturing nozzle tip Process for manufacturing nozzle tip

1989-03-31

1990-02-06

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29557, 29558, 29890142, 72340, 2395339, B21D 5306

Patent

active

048979074

ABSTRACT:
A process for manufacturing a nozzle tip of an elongated valve closing orifice type comprises rolling a tubular workpiece so as to form a circumferential indentation in said workpiece. The interior surface of the indented wall is precisely ground to form an integral collar which functions as guide surface for the valve member.

REFERENCES:
patent: 1845122 (1932-02-01), Briney
patent: 1949515 (1934-03-01), Norton
patent: 2103839 (1937-12-01), Bardell
patent: 2122481 (1938-07-01), Lynch
patent: 2930115 (1960-03-01), Dietzsch, Sr. et al.
patent: 3780410 (1973-12-01), Drake
patent: 3959863 (1976-06-01), Bruce
patent: 4069978 (1978-01-01), El moussa
patent: 4502196 (1985-03-01), Kupper et al.
patent: 4564145 (1986-01-01), Takada et al.
patent: 4819871 (1989-04-01), Kronberger et al.

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