Patent ID: 8753017

Claim:
A sealing device, comprising: a first metal core that has a generally L-shaped cross section, and has a cylindrical portion; a first elastic seal that is attached to the first metal core; a second metal core that has a generally L-shaped cross section, and has a cylindrical portion; and a second elastic seal that is attached to the second metal core, wherein a plurality of through-holes is formed in an axially intermediate portion of the cylindrical portion of the first metal core, at predetermined intervals in a circumferential direction, and the through-holes pass through the cylindrical portion of the first metal core in a radial direction, the first elastic seal has a lip that is in sliding contact with an outer peripheral face of the cylindrical portion of the second metal core, a first cylindrical portion that is in close contact with an inner peripheral face of an axially inner-side portion of the cylindrical portion of the first metal core, a second cylindrical portion that is in close contact with an outer peripheral face of an axially outer-side portion of the cylindrical portion of the first metal core, and a plurality of connecting pieces that are inserted into the through-holes of the cylindrical portion of the first metal core and that connect the first cylindrical portion with the second cylindrical portion, and the second elastic seal has a lip that is in sliding contact with an inner peripheral face of the axially outer-side portion of the cylindrical portion of the first metal core, and an end portion of the cylindrical portion of the first metal core is bent in an inward radial direction so as to contact the lip of the second elastic seal.