Method and system of making metal casing
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United States of America Patent
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Issued Date -
Aug 7, 2008
app pub date -
Dec 31, 2007
filing date -
Feb 6, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention provides a method of making a metal casing, including the following steps: (a) providing a roll of metal sheet; (b) sequentially pulling out a part of metal sheet from the roll of metal sheet; (c) etching a plurality of holes on the part of metal sheet; and (d) forming the part of metal sheet into the metal casing. Step (d) includes: implementing a surface treatment on the part of metal sheet and press forming the part of metal sheet into the metal casing. Therein the steps of the surface treatment and the press forming can be exchanged. Therefore, the method continuously makes the metal casing and avoids management problems of intermediate products induced in the process of a traditional production.
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