Abstract: An easy to open plastic film bag (1) provided with overlying front and rear walls (2, 3) joined by means of inwardly extending lateral gussets (5, 6) each constituted by two panels (7, 9 and 8, 10) having different widths such that the front and rear walls are laterally offset distances d1 and d2 to form two lateral strip-like zones (17, 18) between the lateral edges (15, 16) of the rear wall and the corresponding lateral edges (13, 14) of the front wall, said lateral zones being intended for being gripped and pulled away from one another to open the mouth of the bag.

Abstract: A method of continuously processing meal black powder in order to make it suitable for use in fuses, wherein a conventionally produced meal black powder is blended with about 20 % of water; said moist black powder is compressed to a coherent body in the form of sheets; said sheets are rubbed through a sieve; said sieved powder is agglomerated into spherical grains; said grains are dried to a moisture content of about 1 % and are sieved in order to provide a fraction having a grain size in the range of 0.3 and 1.0 mm.