COMBINATION CAP FOR SEALING VESSELS FILLED WITH LIQUIDS Russian patent published in 2002 - IPC

FIELD: medicine; sealing of vessels containing liquid medicines, blood or blood substitutes. SUBSTANCE: combination cap consists of metal caps 1 and 2 and plastic member 3. Metal cap 1 has central hole 4 in bottom 5 and vertical side wall 6 of larger height. Cap 2 is provided with central cylindrical projection 76 changing into collar 8 and with vertical side wall 9 of smaller height. Ratio of height of side wall 9 of inner cap 2 to height of side wall of outer cap is within 0.2 and 0.3. EFFECT: facilities pulling out of cap. 1 dwg