Schrobenhausen, Germany
Schrobenhausen, Germany

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Patent
Bauer Spezialtiefbau GmbH | Date: 2014-02-12

The invention relates to a drilling bucket for drilling a bore hole in the ground comprising a hollow cylindrical body and at least one cutting tool arranged at a lower side of the hollow cylindrical body for cutting soil material, wherein the hollow cylindrical body has a lower opening for receiving soil material cut by the at least one cutting tool. For guiding the hollow cylindrical body in the bore hole an upper guiding device is provided which is arranged above the hollow cylindrical body and fixed to the hollow cylindrical body, wherein the upper guiding device is configured to abut on a side wall of the bore hole.


Patent
Bauer Spezialtiefbau Gmbh | Date: 2013-07-24

The invention relates to a method and a device for producing and measuring a borehole in the ground. As far as the method is concerned, provision is made in that the borehole is produced through drilling, that between a carrier unit above a ground surface and a measuring body a measuring rope is tensioned, that the measuring body is inserted so as to fit into the borehole in the ground and lowered, that by means of angle and distance measurements the positions of at least two vertically spaced rope points of the tensioned measuring rope are ascertained and in that on the basis of the ascertained positions of the rope points the position of the measuring body in the borehole is determined as a measure for the location of the borehole.


Patent
Bauer Spezialtiefbau Gmbh | Date: 2014-02-25

The invention relates to a drilling tool for earth drilling with a drill rod element which can be connected to a rotary drive and can be driven in a rotating manner about a drilling axis, a frame-like housing and at least one removal tooth which is supported in a radially adjustable manner in the housing between a retracted position in the housing and an operating position, in which the at least one removal tooth projects radially from the housing. Furthermore, on the drill rod element in the housing a transmission mechanism is arranged, through which a stroke and/or rotational movement of the drill rod element can be translated into a radial movement for radial adjustment of the at least one removal tooth.


The invention relates to a cleaning device for cleaning a bottom of a borehole in the ground and also to a method for creating a bored pile in a borehole. The cleaning device has a pumping means, through which sedimented ground material in the region of the bottom of the borehole can be sucked away via a suction opening and can be discharged from the borehole via a suction line. At least one flushing nozzle is provided, through which a flushing jet can be produced, which exits the cleaning device and flushes sedimented ground material from the bottom of the borehole. A bored pile can then be produced in a thus cleaned borehole.


The invention relates to a filling tube for producing a column of filling material in the ground with a tube body. According to the invention provision is made in that closing means has at least one support element which is arranged in a central region at a lower end of the tube body and in that in the closed position closing flaps rest against the support element.


Patent
Bauer Spezial Tiefbau Gmbh | Date: 2013-09-18

The invention relates to a device for introducing a filling material into a hole in the ground, with a channel-like filling means which can be introduced into the hole and has an upper feed opening for feeding in the filling material and a lower discharge opening for discharging the filling material in a lower area of the hole. The filling means comprises an upper feed section and a flexible hose section arranged below. During the filling of the hole with the filling material the flexible hose section can be moved upwards along the feed section. During upward movement of the flexible hose section a severing means severs an upper area of the hose section in a longitudinal direction. Furthermore, the invention relates to a method for introducing a filling material into a hole.


Patent
Bauer Spezialtiefbau Gmbh | Date: 2014-07-01

A drilling device and method with a drill rod which can be driven in a rotating manner and has an internal line, a support rope, a rotary joint between the drill rod and the support rope and has a holding member which is in connection with the support rope and a rotary member which is in connection with the rotatable drill rod, a line and a rotary feed-through which is designed for the passage of fluid and/or data between the line and the internal line of the drill rod, wherein the rotary feed-through has a rotor connected to the drill rod and a non-rotating stator, to which the line is attached. Provision is made for the support rope to be designed in a torsion-proof manner and for a rigid connecting element to be arranged as a torque support between the stator of the rotary feed-through and the torsion-proof support rope.


Patent
BAUER Spezialtiefbau GmbH | Date: 2015-11-30

A ground working tool comprising a tubular base body with an inner receiving space for receiving a cylindrical core of solid ground material, connector mechanism for connecting the tubular base body with a rotary drive and locking mechanism for locking the core in the receiving space of the tubular base body. The locking mechanism involves at least one locking unit having a guide rail being disposed at an inner side of the tubular base body and arranged with a deviation angle relative to a tangential direction of the tubular base body and the locking unit further comprises at least one locking element, which is moveably mounted on the guide rail between a radially outer releasing position and a radially inner locking position, in which the core is clamped within the receiving space by means of the at least one locking element.


Patent
BAUER Spezialtiefbau GmbH and BAUER Maschinen GmbH | Date: 2014-06-20

The invention relates to a method and to a device for creating a foundation element in the ground, wherein ground material is removed by means of a drilling tool and a borehole is created, into which a pile pipe and a curable medium are introduced. The borehole is created having a boring diameter that is greater than an outside diameter of the pile pipe by a specified amount, wherein an annular space is formed between a borehole wall and an outer face of the pile pipe. The removed ground material is conveyed in an interior of the pile pipe, while the annular space is kept substantially free of removed ground material. The curable medium is introduced into the annular space in order to anchor the pile pipe in the ground.


Patent
Bauer Spezialtiefbau GmbH | Date: 2016-06-22

The invention relates to a ground working tool (10) comprising a tubular base body (20) with an inner receiving space for receiving a cylindrical core of solid ground material (11), connecting means (23) for connecting the tubular base body with a rotary drive means and locking means for locking the core in the receiving space of the tubular base body. The locking means comprises at least one locking unit (30) having a guide rail (32) being disposed at an inner side of the tubular base body and arranged with a deviation angle relative to a tangential direction of the tubular base body and the locking unit further comprises at least one locking element (31), which is moveably mounted on the guide rail between a radially outer releasing position and a radially inner locking position, in which the core (11) is clamped within the receiving space by means of the at least one locking element. The invention furthermore relates to a method for operating a ground working tool.

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