UNITARY FLEXIBLE AND EXPANDED PARTITION FOR AEROSOL DISPLACERS WITH VALVE AND DEVICE FOR DISPENSING PRODUCT UNDER PRESSURE (DESIGN VERSIONS) Russian patent published in 1998 - IPC

FIELD: packing; aerosol containers. SUBSTANCE: partition for aerosol container 22 has unitary flexible expandable member 11 with outer segment 12 terminating in sealing flange 16. Inner segment 14 is connected with outer segment 12 by bending. Central piston space 20 is arranged at end of inner segment 14 farthest from bend. Partition 10 is made sufficiently thick and rigid for self-stability before fitting into aerosol container 22. Outer segment 12 and inner segment 14 taper outwards to provide gradual mating with inner side surface 23 of container when dispensing the product. Outer segment 12 can be made thicker and more rigid than inner segment 14. Partitions can be fitted in other similar partitions. EFFECT: simplified design, ease of manufacture, prevention of product leaks in shipment. 21 cl, 10 dwg