Boring or penetrating the earth – With receptacle
Patent
1994-06-08
1995-07-11
Bagnell, David J.
Boring or penetrating the earth
With receptacle
299 56, 299 90, E21B 1006, E21B 106
Patent
active
054312388
ABSTRACT:
A drilling tool is adapted for being releasably mounted to a lower end of a rod string (20) of a drilling rig (30) and includes a container (2) having a cylindrical or truncated-cone shape fitted at the lower end with a plurality of cutting tools or cutters (10) for crushing rock. The drilling tool (1) further includes a plate (3) for releasably retaining a plurality of modular elements (14) forming a load (13), and curved blades (9), which are located proximate to the cutting tools (10), adapted for conveying rock spalls into the container (2) through suitable apertures (8) in a bottom of the container (2). The cutting tools (10) are mounted to a plurality of radial plates (7) securely fixed proximate to the bottom edge of the container (2). The curved blades are welded to the edges of the radial plates (7), the concavity of each blade (9) being arranged facing the direction of rotation of the drilling tool (1).
REFERENCES:
patent: 4330155 (1982-05-01), Richardson et al.
patent: 5199515 (1993-04-01), Sinclair et al.
patent: 5325932 (1994-07-01), Anderson et al.
Bagnell David J.
Trevi S.P.A.
LandOfFree
Drilling tool for use in constructing large diameter piles, vent does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Drilling tool for use in constructing large diameter piles, vent, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling tool for use in constructing large diameter piles, vent will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-497348