Abstract
The making of seamless lead pipes has been known for a long time and may be traced back to the early days of constructing hydraulic presses. Up to the present time changes in the technique of extrusion have only been slight. The bore of the container and the mandrel rod, being disposed in the center line of the container, form a hollow cylindrical space which is filled with molten lead. The end of the container bore is closed by a die, leaving open an annulus around the mandrel. From the opposite end the lead is extruded — after solidification — by a hollow ram, carrying at its nose a ring-shaped dummy block and traveling over the mandrel; it issues from the annulus in the form of a pipe.
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Literatur
MÜLLER, E.: Hydraulische Pressen Bd. 2. Berlin/Göttingen/Heidelberg: Springer 1955.
PEARSON, C. E.: The Extrusion of Metals. London: Chapman and Hall 1953.
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© 1961 Springer-Verlag OHG., Berlin/Göttingen/Heidelberg
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Müller, E. (1961). Presses for the Manufacture of Lead Pipes and Wire. In: Hydraulic Extrusion Presses. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-53023-4_1
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DOI: https://doi.org/10.1007/978-3-642-53023-4_1
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-53025-8
Online ISBN: 978-3-642-53023-4
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