Pipe holding connection structure and high frequency antenna device including the same
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United States of America Patent
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Feb 20, 2018
Issued Date -
N/A
app pub date -
Jan 22, 2016
filing date -
Jan 28, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a pipe holding connection structure configured so that the width of the entire structure is reduced and so that the number of parts and the number of assembly work processes are reduced. This pipe holding connection structure is provided with: a housing affixed so as to air-tightly close the opening of a vacuum container; a first pipe having a portion near an end portion thereof extending through both the opening and the housing; and a second pipe having a female thread part engaging with a male thread part located at the end portion. The pipe has a locking part. Fluid is caused to flow through both the pipes. Pieces of packing are provided between the pipe and the housing and between the pipe and an end portion of the pipe, respectively. This pipe holding connection structure can be used for a high-frequency antenna device.
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