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2010
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Invention
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Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the... |
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2007
|
Invention
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Pipe joint unit and method of manufacturing the same. A pipe joint unit includes a first pipe mem... |
|
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Invention
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Pipe joint.
A pipe joint has a joint main body, a union nut connected to the joint main body, an... |
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2006
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Invention
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Method of manufacturing double pipe. A method of manufacturing a double pipe includes a step of i... |
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Invention
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Compound tube and method of producing the same. A compound tube is disclosed that includes an out... |
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2005
|
Invention
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Method and apparatus of manufacturing grooved pipe, and structure thereof.
A method of manufactu... |
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|
Invention
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Double-wall pipe and refrigerant cycle device using the same.
A double-wall pipe includes an out... |
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2002
|
Invention
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Pipe joint assembly and method for assembling the same. An annular claw, which extends outwardly ... |
