Metal founding – Means to shape metallic material – United particle type shaping surface
Reexamination Certificate
2005-07-26
2005-07-26
Johnson, Jonathan (Department: 1725)
Metal founding
Means to shape metallic material
United particle type shaping surface
C164S361000, C164S364000, C164S122100
Reexamination Certificate
active
06920910
ABSTRACT:
A casting device includes a wall which is formed in the manner of a sandwich structure from a front layer, a yielding intermediate layer and a supporting outer layer. In this way, the contraction-related internal stresses which occur during cooling are kept at a low level by the resilient properties of the intermediate layer. As such, the formation of cracks in the component to be cast can be avoided.
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Hermann Wolfgang
Scheppe Frank
Harness & Dickey & Pierce P.L.C.
Johnson Jonathan
Siemens Aktiengesellschaft
Tran Len
LandOfFree
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