| 摘要 |
PROBLEM TO BE SOLVED: To appropriately prevent floating of a wiper when manufacturing a casing with the wiper by blow molding and to manufacture the casing at a high yield. SOLUTION: The mascara casing 1 is so formed that a part of a mouth part 3 of a casing body 2 from its root part to a prescribed height therefrom is defined as a mount part 4 having the diameter larger than the mouth part, and the lower end part of the mount part 4 is formed with triangular recessed parts 5 one at each of the centers of its front face and back face; and is made of a synthetic resin by blow molding. A hollow 6 is formed between the upper end and the recessed part 5 of the mount part 4 in the longitudinal section of the mouth part 3 of the casing body 2, and a flange 12 of the wiper 11 can be hooked to an inward overhang part 7 corresponding to the recessed part 5. The hollows 6 are formed between the recessed parts 5 and the upper end of the mount part 4, so that the sagging of a resin in blow molding is absorbed in the hollows 6. A circumferential spaces 8 between the recessed part 5 and the recessed part 5 are also operated as parts of absorbing the sagging of the resin in molding. COPYRIGHT: (C)2007,JPO&INPIT
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