Gunpowder Hydraulic
Cake Press, No. 6
with press box
The meal powder resulting
from the breaking-down machine is now sandwiched between a number of copper
plates contained in the press box shown in the illustration. The powder
is now pressed into cakes, which measure 24in. square and 1/2in. thick
or thereabouts. To facilitate the removal of finished cake, the overhead
tackle is manipulated, and the heavy box is swung to a horizontal position,
when the hinged sides of the box are opened and the finished cakes removed.
Between table, when
down, and press head, 60in. Depth of press box, 2ft.9. Diameter of ram,
13in. Stroke, 20in. Cylinder of steel, press box of gun metal and oak.
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