Fabrication method for rotary bits and bit components and bits and components produced thereby
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United States of America Patent
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Jul 18, 1995
Grant Date -
N/A
app pub date -
Mar 16, 1994
filing date -
Mar 16, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of fabricating rotary drag bits for subterranean drilling by layering techniques such as are employed in rapid prototyping technology. Thin layers of powder may be sequentially deposited and fused or otherwise bonded to define the bit body, or thin sheets of material may be stacked, bonded and cut. Bit body components may also be formed by the method, and subsequently assembled with other components made in like manner or by other methods to produce a bit body. Bits fabricated according to the method are also disclosed.
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