Invention Grant
US08356888B2 Channel forming method, channel forming body, and assembly parts of the channel forming body 有权
通道形成方法,通道形成体和通道形成体的组装部分

Channel forming method, channel forming body, and assembly parts of the channel forming body
Abstract:
A channel forming method includes: forming a first member having a fitting groove and a second member which is to be fitted into the fitting groove; fitting the second member into the fitting groove; and joining joint peripheral portions of the first member and the second member by heating from outside the fitted second member, and a channel is foamed by channel grooves formed in a bottom portion of the fitting groove and a facing surface of the second member facing the bottom portion.
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