Some articles on permanent mold, mold:
... Low-pressure permanent mold (LPPM) casting uses a gas at low pressure, usually between 3 and 15 psig (20 to 100 kPag) to push the molten metal into the mold cavity ... metal up a refractory pouring tube and finally into the bottom of the mold ... The pouring tube extends to the bottom of the ladle so that the material being pushed into the mold is exceptionally clean ...
Famous quotes containing the words mold and/or permanent:
“O, what a noble mind is here oerthrown!
The courtiers, soldiers, scholars,eye, tongue, sword,
Th expectancy and rose of the fair state,
The glass of fashion and the mold of form,
Th observed of all observers, quite, quite down!”
—William Shakespeare (15641616)
“The energy, the brutality, the scale, the contrast, the tension, the rapid changeand the permanent congestionare what the New Yorker misses when he leaves the city.”
—In New York City, U.S. public relief program (1935-1943)