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US 4,084,422 AGranted
Extrusion press
AssigneeSchloemann-Siemag Aktiengesellschaft
InventorsFranz Josef Zilges, Klaus Siegert
Life of this patent
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Abstract
An extrusion press having a press stem which can be articulated to a limited extent at its base mounting in order to allow the stem to be exactly aligned with a billet containing bore; a centering sleeve provided at one end of the bore to guide the stem; and corresponding convex and concave surfaces at the base mounting which can slide over one another to permit the articulation.
Claims16
An extrusion press for direct extrusion with shell, comprising a billet container,
- a billet containing bore in the billet container,
- a displaceable cross-head movable towards and away from the billet container,
- a press stem mounted in the displaceable cross-head and movable along the billet containing bore spaced from the walls thereof when the cross-head is displaced towards and away from the bore,
- means mounted on the billet container and separate and distinct therefrom for centering the press stem as it moves along said bore, and
- means articulately mounting said press stem for relative movement to and in the displaceable cross-head.
2 more elements
An extrusion press for indirect extrusion with shell, comprising a counter platen,
- a billet container movable towards and away from the counter platen,
- a billet containing bore in the billet container,
- a press stem mounted at one end in the counter platen and movable along the billet containing bore spaced from the walls thereof,
- means mounted on the billet container and separate and distinct therefrom for centering the press stem as it moves along the said bore, and
- means articulately mounting said press stem in the counter platen.
2 more elements
Dependencies are inferred from the claim text.