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US 10,124,400 B2Granted
Casting die
AssigneeROLLS-ROYCE plc
InventorChristopher R Veevers
Life of this patent
Estimating the term…
Abstract
The present invention provides a casting/hot forging die having a forming surface and an opposing rear surface. The rear surface has a plurality of cavities spaced by a plurality of walls. Each of the plurality of walls has a substantially equal width. At least one transverse wall may also be provided such that the walls define a grid spacing a series of rectangular or triangular cavities.
Claims12
A casting/hot forging die comprising:
- a forming surface, and
- an opposing rear surface, the rear surface having a plurality of cavities spaced by a plurality of walls such that the plurality of walls all have a substantially equal width,
- wherein a cavity base surface in at least one of the cavities of the plurality of cavities includes a projection, the projection being positioned in a center of the cavity and extending away from the cavity base surface towards the rear surface.
Dependencies are inferred from the claim text.