GLOW PLUG
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United States of America Patent
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app pub date -
Mar 27, 2013
filing date -
Mar 28, 2012
priority date (Note) -
Abandoned
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Abstract
A contact member (7) which has a cylindrical hole and whose outer circumferential surface has a contour swelling radially outward as viewed from a direction orthogonal to its axial direction is disposed between the wall surface of an axial bore (43) and a center shaft (3) at the rear end of a glow plug (1). The disposed contact member (7) is in contact with the wall surface of the axial bore (43) and the center shaft (3). A tubular insulation member (6) is disposed on the rear side of the contact member (7). The tan δ of dynamic viscoelasticity of the contact member (7) within a temperature range of 50° C. to 150° C. is 0.1 or greater.
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