METHOD OF MANUFACTURING FUEL SYSTEM PART AND FUEL SYSTEM PART
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United States of America Patent
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Issued Date -
May 17, 2012
app pub date -
Nov 8, 2011
filing date -
Nov 12, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed in the present application is a method of manufacturing a fuel delivery pipe. The fuel delivery pipe includes a crude metal made of forged iron, a nickel-phosphorus plating layer formed on an inner surface of the crude metal, and a nonmetal paint film formed on an outer surface of the crude metal. The method includes the steps of: coating the outer surface of the crude metal with paint to form the paint film; machining the crude metal with the paint film formed thereon to form a machined surface inside the crude metal; and electroless plating the machined crude metal in nickel-phosphorus plating solution to form the nickel-phosphorus plating layer on the machined surface.
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