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US 12,358,043 B2Granted
Integral core bumpers
AssigneeRtx Corporation
InventorsCarl R Verner, David A Krause
Life of this patent
Estimating the term…
Abstract
A casting core assembly is disclosed herein. The casting core assembly comprises a casting core and a bumper assembly. The bumper assembly is disposed on an outer surface of the casting core. The bumper assembly comprises a receptacle and a metal apparatus. The metal apparatus may be a pin, a sphere, or the like.
Claims9
A casting core assembly, comprising:
- a casting core having an outer surface;
- a bumper disposed on the outer surface, the bumper including a truncated cone extending from the outer surface of the casting core to an edge, the edge partially defining a bumper outer surface, the bumper comprising a receptacle disposed in a center of the bumper outer surface;
- and
- a metal apparatus partially disposed in the receptacle of the bumper, a portion of the metal apparatus extending outward from the bumper, wherein the metal apparatus is a sphere, wherein:
- the metal apparatus is coupled to the bumper by at least one of an adhesive or a mechanical lock, and
- between 40% and 60% of a surface area of the sphere is disposed within the receptacle.
3 more elements
A method of manufacturing a casting assembly, the method comprising:
- forming a casting core having a bumper disposed on an outer surface of the casting core, the bumper including a truncated cone extending from the outer surface of the casting core to an edge, the edge partially defining a bumper outer surface, the bumper comprising a receptacle disposed in a center of the bumper outer surface;
- inserting a metal apparatus into the receptacle of the bumper, wherein the metal apparatus comprises a sphere, wherein between 40% and 60% of a surface area of the sphere is disposed within the receptacle;
- and
- coupling the metal apparatus to the bumper, wherein the metal apparatus is coupled to the bumper by at least one of an adhesive or a mechanical lock.
1 more element
Dependencies are inferred from the claim text.