Patent ID: 7552548

Claim:
A resin safety shoe toe cap, formed of a fiber-free thermoplastic resin and comprising a front end upright portion, a big toe upright portion, a little toe upright portion, a top portion, and a bottom portion, wherein: (a) outer wall surfaces of the respective upright portions are formed so as to rise substantially vertically to the bottom portion; (b) an inner wall surface of the front end upright portion is curved, and the inner wall surface opposed to the vertical surface of the outer wall is thicker at a top portion side than at a bottom portion side, wherein the inner wall surface of the front end upright portion is formed so as to thicken gradually from the bottom portion toward the top portion and when a normal to an inner wall surface portion that vertically rises with respect to the bottom portion is taken as being at 0°, the angle of the inner wall surface at a height of ½ of a total height is no less than 80° and no more than 90°; (c) the front end upright portion is formed to be thicker in thickness than the little toe upright portion and the big toe upright portion and is 6 to 8 mm; and (d) a vertical portion of the outer wall surface of the front end upright portion is formed to be no less than ⅖ of the total height.