| 摘要 |
FIELD: packaging industry.SUBSTANCE: invention relates to a lid having a base with a punctured part which is limited by a lateral wall extending transversely with respect to the base and the bottom with creation of a cavity in the base. The lateral wall and/or the bottom of the punctured part comprise several lines of weakened strength of the material, separating the lateral wall and/or the bottom for several wedge-shaped parts. The punctured part is at least partially coated with an elastic material by the method of surface moulding, at that the said elastic material is intended to create a sealing function with respect to the needle which is inserted into the container through the punctured part.EFFECT: improved design.10 cl, 5 dwg |
