To provide a washer, with which a protrusion height of a protrusion for mounting a foam molded article to be disposed on a member can be relatively decreased and bonding strength between the washer and a foam molded article can be sufficiently increased in a simple configuration, and to provide a foam molded article having the washer, a manufacturing method for the foam molded article, and a mounting structure for the foam molded article to a member.
A washer 1 is embedded in a foam molded article 10 comprising a foamed synthetic resin and is used for mounting the foam molded article 10 on a member 20. The washer 1 is planar as a whole. The washer 1 has a protrusion insertion hole 3 for inserting a protrusion 21 provided on the member 20. The protrusion insertion hole 3 penetrates the washer 1 in a thickness direction. The washer 1 is embedded in the foam molded article 10 in such a manner that an outer circumferential side of the peripheral edge of the protrusion insertion hole 3 is embedded in the foamed synthetic resin. A height increased part 4 is formed on an outer circumferential side of the washer 1, wherein in the height increased part, a height Ht from the back face of the washer 1 to the front face is larger than the thickness in the peripheral edge of the protrusion insertion hole 3 of the washer 1.
JP3822355 | CONICAL WASHER, AND ITS MANUFACTURE |
JPS56147965 | SEALING DEVICE AT INTERCONNECTING PART |
YADA TATSUO
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