| 摘要 |
1420789 Unscrewing container caps J C KANNEMEYER 8 May 1973 [9 May 1972] 21743/73 Heading B3N An opener for unscrewing container tops includes a conical or frusto-conical gripping member 12. An ejector member 20 is accommodated in a slit in the member 12 and holes 16 are punched in the sheet metal of member 12 to give a roughened inner surface thereto. A handle 14 is provided. |
