DEVICE FOR TRANSFERRING LIQUID BY SIMPLE GRAVITY OR GRAVITY ACCELERATED BY A STANDARD SUCTION PUMP

摘要

Gravity liquid transfer device comprising a screwed cap (1) in a container and whose bore (24) is normally closed by a valve (2) provided with a seal (3) and a spring (4), the valve being open by a adapter, detachable connection means for fixing the adapter to cap when emptying the container and its quick removal after emptying, the head valve (2) being located towards the interior of the container and the seal (3) being flat type axially connected to the valve, the axial connection means between the valve and its joint comprising a groove (10) on the valve (2) in which the seal is engaged by elastic deformation and a semi-rigid tubular member (5) capable of being locked on the valve head (12) to hold the seal (3) in position closing.