GASKET AND SEALING STRUCTURE
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United States of America Patent
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Issued Date -
Sep 22, 2016
app pub date -
Oct 28, 2014
filing date -
Nov 7, 2013
priority date (Note) -
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Abstract
Provided is a gasket and a sealing structure capable of achieving an improvement in sealing performance against the gas having solubility to the rubber material without adversely affecting the assembly workability. A gasket (100) includes a gasket main body portion (110) that is compressed toward an opposing surface (620) by an end surface (510) in a device (500); a first annular convex portion (120) that protrudes from the gasket main body portion (110) toward the device (500), is compressed toward the opposing surface (620) by a chamfered portion (530), and is constituted by a curved surface tapered toward a tip thereof; and a second annular convex portion (130) that protrudes from the gasket main body portion (110) to an inner peripheral surface side, and is compressed toward radially outwardly by a body portion (610).
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