Patent ID: 9399309
Filing Date: 2016-07-26
CPC Classification: A61L,B28B

Claim Text:
1. A method for threading a ceramic material, the method comprising the steps of: inserting a ceramic powder into a mold; compressing the ceramic powder into a block; determining an expected rate of shrinkage of the block upon undergoing a firing process; applying a scaling factor using the expected rate of shrinkage to select a tap having a size larger than a desired thread size; tapping the block with the selected tap to form a threaded opening in the block; machining the block by removing material from the block comprising cracks formed during the step of tapping the block, wherein the step of machining the block comprises: firing the block, wherein the firing reduces a size of the block and reduces a size of the threaded opening, wherein the step of machining the block is performed before the step of firing the block, and wherein the step of tapping the block is performed before the step of firing the block.