Title:
BORING ELEMENT OF A GROUND BORING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/038866
Kind Code:
A3
Abstract:
The invention relates to a boring element of a ground boring device, comprising a housing and a transmitter arranged in a receiving element of the housing, said transmitter being mounted in the receiving element in such a way that it can move in the longitudinal axial direction of the boring element, and is connected to the housing by a front-side buffer in such a way that the transmitter, when there is a rear percussive impulse on the boring element, moves towards the rear in the receiving element, as a result of a deformation of the buffer, without the transmitter coming directly into contact with another part of the boring element.
Inventors:
PUETTMANN FRANZ-JOSEF (DE)
GRASS PETER (DE)
VOELKEL GERHARD (DE)
RIEKES ANDREAS (DE)
PRUTTI FRANK (DE)
GRASS PETER (DE)
VOELKEL GERHARD (DE)
RIEKES ANDREAS (DE)
PRUTTI FRANK (DE)
Application Number:
PCT/EP2010/005850
Publication Date:
July 21, 2011
Filing Date:
September 24, 2010
Export Citation:
Assignee:
TRACTO TECHNIK (DE)
PUETTMANN FRANZ-JOSEF (DE)
GRASS PETER (DE)
VOELKEL GERHARD (DE)
RIEKES ANDREAS (DE)
PRUTTI FRANK (DE)
PUETTMANN FRANZ-JOSEF (DE)
GRASS PETER (DE)
VOELKEL GERHARD (DE)
RIEKES ANDREAS (DE)
PRUTTI FRANK (DE)
International Classes:
E21B7/04; E21B47/01
Domestic Patent References:
| WO2002035049A1 | 2002-05-02 |
Foreign References:
| EP0759498A2 | 1997-02-26 | |||
| EP0361805A1 | 1990-04-04 | |||
| DE19910292A1 | 2000-03-09 | |||
| EP0617193A1 | 1994-09-28 |
Attorney, Agent or Firm:
KÖNIG, Reinar (Szynka Von Renesse, Tilmann, Rot, Lohengrinstr. 11 Düsseldorf, DE)
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