CAP FOR SEALING LIQUID-FILLED VESSELS Russian patent published in 1998 - IPC

FIELD: materials handling. SUBSTANCE: cap has cylindrical part and bottom with tear-off section limited by through cuts and connected with bottom by means of several bridges. Bent upwards peripheral edges of cuts are lifted above outer surface of bottom. Tear off section is connected with tear-off strip being extension of one of bridges of tear off section and formed by strength weakening lines passing from ends of cuts limiting the bridge along bottom and part of vertical wall of cap. Width of tear-off strip and adjoining bridge is greater than width of other bridges of rear tear-off section. Additional bridges are formed between ends of strength weakening lines and ends of corresponding slots of tear-off section in cap bottom. Width of these bridges is not less than width of bridges of tear-off section which do not adjoin tear-off strip. EFFECT: improved convenience of use of material filled in vessel. 4 cl, 4 dwg