E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 25/18 (2006.01) E02F 3/90 (2006.01) E02F 3/92 (2006.01) E21B 7/128 (2006.01) E21B 10/12 (2006.01) E21B 10/16 (2006.01) E21B 19/00 (2006.01) E21B 49/02 (2006.01)
Patent
CA 2210442
A cutter head for retrieving earth samples, in particular for taking underwater samples, has, because of frustum-shaped cutting wheels, an approximately round bore cross section. In an associated boring jig, a tube with a cross section corresponding approximately to the bore cross section is placed above the cutter head. With a regrasping system, the tube can be moved vertically relative to a work table lying on the bore surface. The boring jig may be lowered from a ship to the sea bottom to conduct the boring process.
Bauer Maschinen Gmbh
Bauer Spezialtiefbau Gmbh
G. Ronald Bell & Associates
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