| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap making the fingers hardly slip during an opening/closing operation so as to make opening/closing easy, and hardly giving pain feeling to the hand.SOLUTION: A cap 1 as a cap attached to an opening of a container body is such that: there is included a cylindrical cylinder wall part 12; a knurl part 16 comprising a plurality of projections 14 extending in a direction crossing a circumferential direction is provided in an outer peripheral surface 12a of the cylinder wall part 12; a cross-sectional shape vertical to the lengthwise direction of the projections 14 has a shape that a crown 14a has a circular arc shape, and a width becomes wider from the crown 14a to a base end; and at least one of the projections 14 has recesses 18 formed extending to the lengthwise direction of the projections 14 on both of a first side part 14b and a second side part 14c on both sides of the crown 14a.SELECTED DRAWING: Figure 3 |
