DEVICE FOR VACUUM CAPPING OF TARE SUCH AS GLASS CANS Russian patent published in 2008 - IPC B67B3/24 

FIELD: transportation; packing.

SUBSTANCE: device contains disc valve with rod, cover with recess in central part. In the center of recess opening is made. O-ring is located between outer and inner rings on the underside of cover. Top of cover is made ball-shaped with convex side directed upwards from lower part of cover or downwards to lower part of cover. Lower part of disc valve is made ball-shaped and its edges are located beyond edges of cover seat made inside cone-shaped and raised above bottom of recess in center part. Outer ring on cover lower part is provided with shoulder located on lower edge of outer ring and directed to inner ring on cover lower part. Disc valve with rod are made of PVC plastic compound. Outer side of O-ring is provided with tab. In the outer ring on cover bottom slot is made where tab is located.

EFFECT: performance build-up; facilitation of vacuum processing and possibility of device multiple-use; facilitation of valve opening when it is necessary to take products from can.

2 cl, 4 dwg