| |
|
Inventor: Pieri; Giovanni
Address: Palermo, IT
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 8123441 |
Method and apparatus for carrying out deep holes and/or bottle-boring |
February 28, 2012 |
| A method for carrying out deep holes and/or bottle-boring, in particular borings, with a high ratio between final linear depth and hole diameter, higher than 14:1, comprises the steps of: carrying out a reference hole, having axis and diameter linked to the deep hole to be carried out by |
|
|
|
