Metal product having internal space formed therein and method of manufacturing thereof
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United States of America Patent
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May 2, 2017
Grant Date -
Feb 13, 2014
app pub date -
Apr 27, 2012
filing date -
Apr 28, 2011
priority date (Note) -
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Abstract
There are provided a metal product having an internal space formed therein, allowing for improvements in the flow of a coolant in the internal space, such as a cooling channel and an increase in cooling efficiency, and a method of manufacturing thereof. The metal product includes a body part having a first space formed therein; a space formation member having a second space formed therein, mounted on the body part to be communicated with the first space; and a finishing part forming an exterior by covering the space formation member in a state in which the space formation member is mounted on the body part.
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