| 摘要 |
PROBLEM TO BE SOLVED: To provide a recycle screw cap capable of easily picking up a knob piece, and reliably screwing an upper lid. SOLUTION: This synthetic resin recycle screw cap comprises a cap body 2 fixed to a vessel mouth 1, weakening parts 14, 15 and 16 provided on the cap body, a male screw part 20 provided on a spouting cylinder 9 of the cap body, a knob piece 22 which is erected on an upper wall 7 of the cap body facing the male screw part and tears the weakening parts, an upper lid 3 which is screwed to the male screw part of the spouting cylinder and covers the knob piece. A screw-notched part 21 is provided at a part facing the knob piece of the male screw part. |
