| 摘要 |
A locking top and bottom container comprises A. AN UPRIGHT CYLINDRICAL BODY HAVING OPEN UPPER AND LOWER ENDS SURROUNDED BY RIMS, B. UPPER AND LOWER DISCS CLOSING AND EXTENDING ACROSS SAID BODY UPPER AND LOWER ENDS, RESPECTIVELY, C. RETAINER MEANS EXTENDING AXIALLY WITHIN SAID BODY AND HAVING UPPER AND LOWER CONNECTIONS TO SAID UPPER END LOWER DISCS RESPECTIVELY, D. AT LEAST ONE OF THE CONNECTIONS TO ONE DISC BEING A THREADED CONNECTION ALLOWING ROTATION OF THE ONE DISC IN A TIGHTENING DIRECTION ABOUT SAID AXIS TO PERIPHERALLY TIGHTEN AGAINST ONE END RIM OF THE BODY, AND DISC ROTATION IN A LOOSENING DIRECTION ABOUT SAID AXIS TO LOOSEN THE ONE DISC FROM THE BODY ALLOWING ACCESS TO THE BODY INTERIOR.
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