DE528488C
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Process for changing the shape of hollow metal bodies by applying liquid pressure
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GB334960A
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Method for changing the form and improving the texture of hollow metal bodies
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GB334634A
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Method and apparatus for changing the form and improving the texture of hollow metal articles
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US1834128A
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Method and apparatus for improving the texture of hollow metal bodies
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US1753747A
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Manufacture and repair of centrifugal molds
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Pipe annealing furnace
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US1767024A
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Centrifugal pipe-mold structure
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Centrifugal pipe-casting machine
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US1758483A
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Method for casting pipes
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US1762177A
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Centrifugal casting machine
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Machine for drawing pipes from molds
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Ladle actuating mechanism
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Centrifugal casting machine
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Furnace door
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Covered trough
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Centrifugal pipe mold
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DE484086C
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Conveyor device for annealing furnaces for annealing cast iron pipes
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Transporting mechanism for pipe-annealing furnaces
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US1695514A
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Centrifugal pipe-casting machine and mold
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US1673028A
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Centrifugal pipe-casting machine
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