| 摘要 |
FIELD: instrument making.SUBSTANCE: group of inventions relates to valving elements, in particular to a closure for closing aperture of a pressure driven dispensing container. Closure (8) for closing container aperture (5) comprises: an outer shell with planar base (110) having a first outer dispensing opening (10) suitable for receiving a dispensing tube (1), an outer peripheral skirt (111) for sealing fixation of closure (8) to aperture (5) and flexible valve (9) with a first opening at one end located near to said aperture (10) and second opening (10a) at other end of passageway. Flexible valve (8) is elastically biased so as to naturally close and seal second opening (10a) and so that said hermetically closed second opening (10a) can be reversibly opened by pressing tip (1a) of a hollow dispensing tube (1) through first aperture (10) into said internal passageway (210) and said second opening (10a). Elastic displacement of elastic valve (9) is obtained by means of external elastic members (12) arranged so as to exert a compressive force for closing and sealing second opening (10a). There are an option of container lid design, container itself and methods of making such container lid.EFFECT: group of inventions is aimed at enhancing tightness.17 cl, 8 dwg |
