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US 12,365,022 B1Granted
Core firing setter
AssigneeRtx Corporation
InventorBrandon W. Spangler
Life of this patent
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Abstract
A method for firing a ceramic core includes: placing the core in a setter, the setter having a plurality of protruding setter posts between second legs of the core and with distal ends supporting first legs of the core; and firing the core in the setter to harden the core. During the firing, the setter posts maintain a predetermined minimum separation between the first legs and the second legs.
Claims20
A method for firing a ceramic core, the method comprising:
- placing the core in a setter, the setter having a plurality of protruding setter posts between second legs of the core and with distal ends supporting first legs of the core;
- and
- firing the core in the setter to harden the core, wherein, during the firing, the setter posts maintain a predetermined minimum separation between the first legs and the second legs,
- wherein:
- the first legs have a plurality of bumpers protruding toward associated said second legs and spaced therefrom by respective gaps;
- and
- during the firing, the setter posts maintain the predetermined minimum separation between the first legs and the second legs to avoid bumper-to-leg contact.
4 more elements
A method for firing a ceramic core, the method comprising:
- placing the core in a setter, the setter having a plurality of protruding setter posts between second legs of the core and with distal ends supporting first legs of the core;
- and
- firing the core in the setter to harden the core, wherein, during the firing, the setter posts maintain a predetermined minimum separation between the first legs and the second legs,
- wherein:
- the core has:
- a base;
- and
- a plurality of trunks extending from the base;
- and
- for each of the first legs, one or more of such first legs extend from a given first trunk of the plurality of trunks and one or more of the second legs extend from a given second trunk of the plurality of trunks.
7 more elements
Dependencies are inferred from the claim text.