| 摘要 |
The invention relates to a valve for closing a flexible tube 14, particularly suitable for devices for draining, by means of gravity, a container containing a powdered or granular product and of the type comprising two coaxial rings 1, 2 pivoting with respect to one another. In the valve according to the invention, flexible links or belts 5 intersect forming a polygon in which the flexible tube is trapped. Application to the draining of containers. <IMAGE>
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