Process for manufacturing nozzle tip
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United States of America Patent
Stats
-
Feb 6, 1990
Grant Date -
N/A
app pub date -
Mar 31, 1989
filing date -
Mar 31, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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