SEALING STRUCTURE
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United States of America Patent
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N/A
Issued Date -
Feb 5, 2015
app pub date -
Nov 22, 2012
filing date -
Feb 24, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sealing structure which is able to reduce an inserting load, while enhancing a sealing performance is provided. The sealing structure includes an annular groove (211) having a step on its groove bottom, and is provided with a primary annular groove (211a) disposed at one side of the step, and a secondary annular groove (211b) disposed at another side of the step, and a gasket (400) is disposed so as to be filled into the primary annular groove (211a), and a gap (D2) between an injector and a mounting hole at a boundary section between the primary annular groove (211a) and the secondary annular groove (211b) is larger than a minute gap (D1) at an opposite side of the secondary annular groove (211b) intervened by the primary annular groove (211a).
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