| 摘要 |
<p>System for extracting liquids from cans, such cans being of the type which have at their upper base a pair of orifices having different diameters, and having a capacity equal to or higher than 50 l. and which are used in the chemical or oil industry as well as in any industry wherein liquid and pasty products have to be packaged, the system being adaptable to conventional existing cans, and comprising a second plug (7) which is threaded in a central recess of the plug (4) of the smaller diameter orifice, and provided with a central orifice, means for channelling the fluid when coming out of the can (1) being adapted to the larger diameter orifice when injecting pressure air through the smaller diameter orifice.</p> |
