B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
217/34, 86/9
B65G 69/20 (2006.01) B65D 25/00 (2006.01) B65D 88/28 (2006.01) B65D 90/36 (2006.01) F42B 39/20 (2006.01)
Patent
CA 1106804
A B S T R A C T There is disclosed a hopper for receiving or handling propellant powder provided with an upper charging orifice for the powder characterised in that the hopper comprises a side vent possessing means for preventing the escape through said vent, and a zone in the side wall of the hopper located between the vent and the charging orifice. This zone is made of material which can be destroyed under the conjugate action of the pressure applied by the powder and the flames generated on the outside of the hopper near this zone.
318396
Goudreau Gage & Associates
Societe Nationale Des Poudres Et Explosifs
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