Patent application number | Description | Published |
20110168286 | THREADED CONNECTION - The invention relates to a screw connector for a screw engagement, comprising an external thread applied to a core and flanks of the external thread form an ellipse. | 07-14-2011 |
20120138320 | METHOD FOR DETERMINING THE WEAR OF A FORCE-LOADED LINKAGE OF AN EARTH-WORKING DEVICE - The invention relates to a method for determining the wear of a force-loaded linkage of an earthwork device, wherein the instantaneous load on the linkage is measured during operation of the earthwork device and used to perform a calculation of the service life. | 06-07-2012 |
20120168230 | GUIDING DEVICE FOR A DRILLING DEVICE - The invention relates to a guide device for a drilling device, comprising a housing having deflection means for generating a side force, and a shaft rotatably supported within the housing, wherein the shaft comprises connection means at a first end for connecting to a drilling rod, and connection means at a second end for connecting to a drilling head, and wherein coupling means are provided for connecting the shaft to the housing in a rotationally fixed manner as needed. | 07-05-2012 |
20120205908 | PLUG CONNECTION AND PIPE SECTION FOR A DRILL PIPE - A plug connection for connecting two pipe sections of a drill pipe has a connecting plug on one end of a first of the pipe sections and a connecting bushing on one end of the second pipe section. The connecting plug and the connecting bushing have helical meshing guide projections and/or guide grooves. A pipe section for a drill pipe has on one of its ends a corresponding connecting plug and on the other end a corresponding connecting bushing. | 08-16-2012 |
20130105225 | HORIZONTAL DRILLING DEVICE | 05-02-2013 |
20130140087 | DUAL PIPE ROD ASSEMBLY SECTION, HORIZONTAL DRILLING DEVICE AND PROBE HOUSING - A dual pipe rod assembly section includes an inner rod section and an outer rod section, with a probe which is arranged in the dual pipe rod assembly section, a horizontal drilling device and a probe housing. The probe is arranged in the inner rod section and rotationally coupled to the outer rod section. | 06-06-2013 |
20130164081 | CONNECTION MECHANISM - A connection mechanism has a drive section with a thread on one end and is constructed as a sleeve. A shaft element having a thread matching the thread of the drive section can be screwed together with the drive section. At least one interlocking element forming an interlock with the sleeve is provided in addition to the thread. | 06-27-2013 |
20130199851 | METHOD FOR PRODUCING A HORIZONTALLY DRILLED BORE IN THE GROUND AND HORIZONTAL DRILLING DEVICE - A method for producing a horizontally drilled bore hole in the ground includes the steps of producing a pit having a circular cross-section; lowering a horizontal drilling device into the pit, the horizontal drilling device having a circular cross-section in at least part of the section in which it is positioned once it is lowered into the pit; and producing a horizontally drilled bore hole using the horizontal drilling device. | 08-08-2013 |
20130277118 | METHOD FOR OPERATING A HORIZONTAL DRILLING DEVICE AND HORIZONTAL DRILLING DEVICE - A horizontal drilling device according to the invention includes a linear drive, a rotary drive that can be displaced by means of the linear drive, a drill rod assembly and a rod assembly receiver, the drill rod assembly being hollow and the rod assembly receiver being designed as a receiving mandrel, which allows the drill rod assembly to be placed on the receiving mandrel | 10-24-2013 |
20140186107 | Connecting device - The invention relates to a connecting device with a drive section having a thread on the end, wherein the drive section is formed as a plug-shaped element, and the connecting device can be used to screw a shaft element to a thread corresponding to the thread of the drive section, wherein, in addition to the thread, at least one positive-locking element forming a positive-locking connection with the shaft element is provided. | 07-03-2014 |
20150056010 | Connecting device - The invention relates to a connecting device with a drive section having a thread on the end, wherein the drive section is formed as a plug-shaped element, and the connecting device can be used to screw a shaft element to a thread corresponding to the thread of the drive section, wherein, in addition to the thread, at least one positive-locking element forming a positive-locking connection with the shaft element is provided. | 02-26-2015 |