| 摘要 |
One embodiment of the present invention provides a coring apparatus for obtaining a core sample from a target. The coring apparatus includes a coring element adapted for insertion into the target, a driving assembly coupled to the coring element for driving the coring means into and out of said target, and an ejection element coupled to the coring element and adapted for ejecting the core sample from the coring element upon removal of the coring element from the target. A coring apparatus according to another version of the invention includes a coring element adapted for insertion into the target, and a pneumatic driving assembly coupled to the coring element for driving the coring element into and out of the target. |
