| 摘要 |
FIELD: packing equipment, particularly sealing means for liquid containers. ^ SUBSTANCE: plug comprises side skirt 1 having inner thread and lower protective strip mating upper plate 2. The upper plate is provided with sealing means, which are adapted to cooperate with upper edge B of vessel neck C. The sealing means comprise outer shoulder 4 formed in connection area between skirt 1 and plate 2. The shoulder has radial extension and resiliently deformed peripheral lip 3 directed downwards towards plug axis X in inactive position. Lip 3 may be arranged between the shoulder 4 extension and the neck C and surrounds at least part of outer curvilinear contour b of upper neck edge B under the action of stresses. ^ EFFECT: improved sealing ability. ^ 16 cl, 14 dwg |
