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US 6,484,402 B2Granted
Rollers or cylinders with a metallic foam core
AssigneeKoenig & Bauer Aktiengesellschaft
InventorsErhard Herbert Glöckner, Willi Albert Peter Kutzner, Wolfgang Günter Ruckmann
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Abstract
Rollers and cylinders that are useable in rotary printing presses are made using hollow tubular casing having metallic foam cores. The casings and cores are made separately. The cores are then placed inside the casing and the two are secured together in a force-transmitting manner.
Claims7
A process for forming rollers or cylinders useable in rotary operations comprising:
- providing a hollow, tube-shaped casing having a hollow casing interior surface with an interior surface shape;
- forming a metallic foam core remote from said hollow, tube-shaped casing;
- providing said remotely formed metallic foam core with a metallic core outer surface, said metallic foam core outer surface having a shape complementary to said hollow casing interior surface shape;
- inserting said remotely formed metallic foam core into said hollow casing with at least a portion of said hollow casing interior surface engaging at least a portion of said metallic foam core outer surface;
- and
- fastening said metallic foam core outer surface to said hollow casing interior surface in a force-transmitting manner.
3 more elements
Dependencies are inferred from the claim text.