| 摘要 |
PROBLEM TO BE SOLVED: To provide an integral molding bolt and a nut for blow molding of high installation strength to be installed on the wall of a plastic blow molded body by integral molding, and a set nut installation structure. SOLUTION: A flange 11b is provided on the bottom face of a nut 11a of an integral molding nut 11 for blow molding, and at least two recesses are formed on the outer periphery of the flange 11b, and plate-shaped projections 11c disposed in upright along the edges of recesses are formed on the flange face on the side of the nut 11a. An integral molding bolt 12 for blow molding is provided with a flange 12b formed on the upper face of the head of a bolt 12a, and at least two recesses are formed on the outer periphery of the flange 12b, and plate shaped projections 12c disposed in upright along the edges of recesses are formed on the flange face on the side of the bolt 12a. Also the bolt is screwed in from the flange side of the integral molding nut for blow molding and installed on the wall of a blow molded body by integral molding, and a structure of installing the integral molding set nut for blow molding of remarkably superior installation strength is provided. |
