With Feed Anchor In Earth Wall Being Bored Patents (Class 175/118)
  • Patent number: 7874380
    Abstract: A method and device for drilling, particularly percussion drilling or rotary percussion drilling a hole in soil or rock material and fixing an anchoring in the hole. To this end, a drilled hole is made by a drill bit mounted on a drill rod. The drill rod, on the rear side facing away from the drilling surface of the drill bit, is surrounded at a distance from the drill bit by an anchoring element whose outside dimension exceeds, at least in part, the circumference of the drilled hole made by the drill bit.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: January 25, 2011
    Assignee: “ALWAG” Tunnelausbau Gesellschaft m.b.H.
    Inventors: Josef Mocivnik, Alfred Wagner, Karl Bohm
  • Patent number: 7591328
    Abstract: A drilling and anchor-setting tool (1) for mine, tunnel, and underground works for setting an anchor (5) in a borehole and provided with a core bit and with single-or multi-component adhesive mass (6), with the tool including a housing (2) having a chamber (4), and an extrusion device (3) for forcing the adhesive mass (6) out of the anchor (5) when the anchor (5) is located in the borehole, and integrated in the housing chamber (4).
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: September 22, 2009
    Assignee: Hilti Aktiengesellschaft
    Inventor: Dieter Guede
  • Patent number: 7055630
    Abstract: A truck mounted crane is equipped with an earth boring bit apparatus which can be attached to the end of a crane boom to excavate holes prior to the erection of signs or other elevated pole mounted structures. The earth boring bit apparatus includes a earth boring bit attachable to a gearbox which may include an extension shaft to permit its use on the crane. The crane also includes high capacity hydraulic lines suitable for actuating the earth boring bit, which also includes a drum for collecting earth as the hole is bored so that the crane can be used to remove the debris as part of the same operation in which the hole is bored.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: June 6, 2006
    Inventor: Jones Wayne Burton
  • Patent number: 5392869
    Abstract: For inserting anchor bolts in the region of the tunnel side wall up to near to the face, in addition to anchor bolt drilling and setting devices for the roof in the front region of the road-driving machine additional anchor bolt and setting devices are mounted displaceably guided in a vertical direction. The additional anchor bolt drilling and setting devices are swivellable around an axis which is parallel to the running surface plane of the drive mechanism of the road-driving machine.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: February 28, 1995
    Assignee: VOEST-ALPINE Bergtechnik Gesellschaft m.b.H.
    Inventors: Hermann Froschl, Ralf Oberdorfer, Alfred Zitz
  • Patent number: 4067397
    Abstract: The perforator body is provided with a built-in pulling winch whose drum is wound with a wire rope. The winch axle mounts a worm wheel meshing with the perforator box whose external surface is made in the form of a worm. The wire rope is secured to the rock and the perforator is fed progressively by rotation of the box.
    Type: Grant
    Filed: August 6, 1975
    Date of Patent: January 10, 1978
    Inventor: Samuil Iosifovich Dobroborsky