Patent attributes
There is provided a hole plug including: a body portion including a cover flange portion that covers an opening, an insertion portion that is inserted into the opening, and at least one pair of engagement portions that is engaged with a back side peripheral edge of the opening; and a thermosoftening resin member that is fixed to a back side peripheral edge of the cover flange portion and that is configured to be heated and melted so as to fix the cover flange portion to a predetermined member. The thermosoftening resin member includes an extension portion extending obliquely outward toward the predetermined member, and the extension portion is elastically abutted against a front side of the predetermined member in a state where the engagement portion is engaged with the back side peripheral edge of the opening before melting of the thermosoftening resin member.
