| 摘要 |
FIELD: machine building.SUBSTANCE: closing means for installed on a compressed bag for output of liquid or viscous substances includes nose (50) having in general a hollow cylindrical housing attached to the compressed bag; besides, cap (30) is attached to nose (50) and has duckbill valve (20) inside it, which pass fluid medium at interaction with shaft (10).EFFECT: duckbill valve has a convergent end and an outlet end; with that, the convergent end includes a reversible sealed slot capable of preventing a liquid flow through the cap after the shaft is extracted from the sealing means.14 cl, 4 dwg |
