Method for producing a mini-vial with a reduced number of components and the mini-vial thus obtained

A method for producing a mini-vial (1) of the type comprising a tubular container or vial (2), closed at a first end (5) and open at its second end (6) and capable of containing a product in fluid phase, a plunger (3) sealingly movable in said vial (2) through said second end (6) and having an internal cavity (13) capable of receiving the fluid from said vial (2), the plunger (3) having a first end (9) on which is placed a sealing cap and a second end (11) movably slidable in the vial (2) and at which is located a membrane filter (16), said plunger (3) and vial (2) being obtained by moulding; the plunger (3) being envisaged as overmoulded onto the filter located at its second end, said membrane filter forming a single body with said plunger. 种用于生产如下类型的微型瓶(1)的方法，该微型瓶包括：在第端部(5)处封闭而在其第二端部(6)处敞开、并且能够容纳呈流体相的产品的管状容器或小瓶(2)；能够穿过所述第二端部(6)在所述小瓶(2)中密封地移动并且具有能够接纳来自所述小瓶(2)的流体的内腔(13)的柱塞(3)，柱塞(3)具有第端部(9)和第二端部(11)，在第端部(9)上设置有密封盖，第二端部(11)能够在小瓶(2)中以可移动的方式滑动并且在第二端部(11)处定位有膜滤器(16)，所述柱塞(3)和所述小瓶(2)是通过模制而获得的；柱塞(3)设置成被包覆模制到位于该柱塞的第二端