Hybrid material airflow impression molds
AssigneeUnited Technologies Corporation
InventorsMary Lynn Tall, Matthew A. Mertens
Life of this patent
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Abstract
A monolithic airflow testing mold suitable for mating with a workpiece includes a platform portion formed from a first material having a first hardness. The mold further includes a workpiece mating portion surrounding by the platform portion. The mating portion includes a support region abutting the platform portion and formed from a second material having a second hardness, and a sealing surface positioned above the support region and formed from a third material having a third hardness. The sealing surface is configured to mate with and extend into a hollow portion of the workpiece. The first hardness is different from at least one of the second and third hardnesses.
Claims19
A monolithic airflow testing mold suitable for mating with a workpiece, the airflow testing mold comprising:
- a platform portion formed from a first material having a first Shore A hardness;
- and
- a workpiece mating portion nested within and surrounded by the platform portion, the mating portion comprising:
- a support region abutting the platform portion and formed from a second material having a second Shore A hardness;
- and
- a sealing surface positioned above the support region and formed from a third material having a third Shore A hardness, the sealing surface being configured to mate with and extend into a hollow portion of the workpiece;
- wherein the first Shore A hardness is greater than at least one of the second and third Shore A hardnesses by at least 10 Shore A points.
Dependencies are inferred from the claim text.