Air bag lid reinforcing member and method for manufacturing same

An airbag lid reinforcing member comprising:

• a door part configured and arranged to open and close;
• a flange part made of resin and surrounding an outer periphery of the door part;
• a leg part made of resin arranged on a lower side of the flange part;
• and
• a hinge member connecting the flange part and the door part so that the door part opens and closes with respect to the flange part, the hinge member being a different member from the flange part wherein
• an inside surface of the leg part defines a plurality of support ribs supporting the hinge member from a lower surface side of the hinge member, the support ribs being arranged with a gap between adjacent ones of the support ribs in a width direction of the leg part,
• a portion of the hinge member is buried in the flange part,
• in each of portions of the hinge member on the support ribs, in a region between a tip of each of the support ribs and an end surface of the flange part, at least an upper part in a thickness direction of the hinge member is exposed from the support ribs, and
• a portion of the hinge member positioned between adjacent ones of the support ribs is exposed from the support ribs and the flange part.