| 摘要 |
<p>Foam producing antirobbery device for armoured trucks carrying valuables and the like comprising a tank (7, 31a) containing one component of a two-component resin, a second tank (8, 31b) containing the second component of the same resin and a mixer (9, 54) of the two components to form a foaming product which is discharged on the material to be protected. Said components are supplied to said mixer (9, 54) on command under the thrust of an inert gas which is let into the two containers at the time of use.</p> |
