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Boart Longyear Co. Patents |
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Assignee: Boart Longyear Co.
Address: Salt Lake, UT
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6615931 |
Continuous feed drilling system |
September 9, 2003 |
| A continuous feed drilling system and controller includes a head assembly having first and second chucks synchronized to rotate at the same rotational velocity. The chucks are independently moveable within the head assembly and their positions are measured by linear transducers. The |
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