DISCHARGE OF SUBSTANCE IN DISPENSER SYSTEM Russian patent published in 2009 - IPC B67D1/00 B65D85/804 

FIELD: process engineering.

SUBSTANCE: invention relates to metered dispensing of substance from container filled with single portion of aforesaid substance. Proposed system comprises container containing single portion of substance and comprising deformable body. Dispenser comprises container receiver and allows opening the container. Aforesaid receiver comprises variable-volume chamber to receive container. Container housing features bottom, wall running from aforesaid bottom and flat peripheral edge arranged around the hole. Aforesaid edge is made integral with wall and extends outward, while hole is covered by a layer tightly jointed to said peripheral edge with the help of sealing peripheral seam. Aforesaid receiver comprises thrust surface interacting with rear side of aforesaid peripheral edge rear side, and cover that serves to support aforesaid layer. Dispenser includes also body flattening means arranged in compression chamber for contact with container bottom. Container is furnished with substance identifier. On flattening the container, aforesaid layer bulges to get into recess for container to be opened.

EFFECT: no need in special cutting tools.

55 cl, 73 dwg