DE69121419T2 - Process for the production of tubular foundations - Google Patents
Process for the production of tubular foundationsInfo
- Publication number
- DE69121419T2 DE69121419T2 DE69121419T DE69121419T DE69121419T2 DE 69121419 T2 DE69121419 T2 DE 69121419T2 DE 69121419 T DE69121419 T DE 69121419T DE 69121419 T DE69121419 T DE 69121419T DE 69121419 T2 DE69121419 T2 DE 69121419T2
- Authority
- DE
- Germany
- Prior art keywords
- hole
- concrete
- tool
- depth
- drive device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 230000035939 shock Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000009527 percussion Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 5
- 238000005056 compaction Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/18—Placing by vibrating
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B11/00—Other drilling tools
- E21B11/02—Boring rams
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/087—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods by means of a swinging arm
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
- Road Signs Or Road Markings (AREA)
- Drilling And Boring (AREA)
- Foundations (AREA)
Description
Die Erfindung betrifft ein Verfahren zur Herstellung eines rohrförmigen Fundaments im Boden, das die folgenden Schritte in geeigneter Reihenfolge umfaßt, mit:The invention relates to a method for producing a tubular foundation in the ground, which comprises the following steps in an appropriate order, comprising:
(1) Bereitstellen eines werkzeugs zur Herstellung von Löchern im Boden mit einer Stoßspitze und einer Koppeleinrichtung zur Verbindung mit einer Antriebsvorrichtung, beispielsweise einer hydraulischen oder pneumatischen Werkzeugantriebsmaschine oder einer Vibratormaschine, die beispielsweise mit exzentrisch angeordneten drehbar antreibbaren Massen arbeitet, um die Stoßspitze in der Richtung des freien Endes mit einer Vibration oder Erschütterung zu erregen;(1) Providing a tool for making holes in the ground with a percussion tip and a coupling device for connection to a drive device, for example a hydraulic or pneumatic tool drive machine or a vibrator machine which, for example, works with eccentrically arranged rotatably drivable masses in order to excite the percussion tip in the direction of the free end with a vibration or shock;
(2) Bereitstellen einer Antriebseinrichtung, wie sie einzeln im Schritt (1) angegeben ist;(2) providing a drive device as specified individually in step (1);
(3) Koppeln des werkzeugs mit der Antriebseinrichtung;(3) Coupling the tool with the drive device;
(4) Auswählen eines Ortes, um ein Loch im Boden zu erstellen;(4) Selecting a location to create a hole in the ground;
(5) dortiges Anordnen des Werkzeugs;(5) arranging the tool there;
(6) Einschalten der Antriebseinrichtung, so daß das Werkzeug in Vibration oder Erschütterung mit einer gewählten Frequenz in der Richtung des freien Endes der Stoßspitze erregt wird; und(6) switching on the drive device so that the tool is excited into vibration or shock at a selected frequency in the direction of the free end of the impact tip; and
(7) Herausziehen der Stoßspitze aus dem Loch.(7) Pull the impact tip out of the hole.
Die Verfahrensschritte (1) bis (7) sind aus der US-A 4 193 459 herleitbar. Das bekannte Verfahren erlaubt es jedoch nicht, daß es bei einem Hohlraumfundament, das mit diesem Verfahren erhältlich ist, möglich ist, später darin eingebrachte Stützmittel zu entfernen, wenn dies notwendig sein sollte.The process steps (1) to (7) can be derived from US-A 4 193 459. However, the known process does not allow for the removal of support materials later introduced into a cavity foundation obtained using this process, if this should become necessary.
Es ist Aufgabe der vorliegenden Erfindung, ein Verfahren zur Herstellung eines rohrförmigen Fundaments im Boden bereitzustellen, wobei das Verfahren ein späteres Entfernen der in diesem rohrförmigen Fundament angeordneten Stützmittel erlaubt, in Fällen, wo diese Stützmittel völlig in ausgehärtetem Beton aufgenommen sind.It is an object of the present invention to provide a method for producing a tubular foundation in the ground, which method allows a subsequent removal of the support means arranged in this tubular foundation in cases where these support means are completely absorbed in hardened concrete.
Um diese Aufgabe zu lösen, stellt die Erfindung ein Verfahren bereit, das durch die folgenden Schritte gekennzeichnet ist:To achieve this object, the invention provides a method characterized by the following steps:
(8) Herstellen eines Lochs mit dem Verfahren, das in den Schritten (1 - 7) angegeben wurde, wobei seine Tiefe kleiner als die Tiefe eines rohrförmigen zu erstellenden Fundaments ist;(8) Making a hole using the method specified in steps (1 - 7), its depth being less than the depth of a tubular foundation to be constructed;
(9) Teilweises Auffüllen des Lochs mit Schüttbeton;(9) Partial filling of the hole with fill concrete;
(10) Wiedereinführen der Stoßspitze in das Loch, bevor der Beton ausgehärtet ist, und Einschalten der Antriebseinrichtung, so daß das Loch bis zur gewünschten Tiefe ausgedehnt wird und der dort vorhandene Beton eine Betonröhre rund um die Stoßspitze bildet und verdichtet wird;(10) reinserting the impactor into the hole before the concrete has hardened and switching on the drive device so that the hole is expanded to the desired depth and the concrete present there forms a concrete tube around the impactor and is compacted;
(11) Herausziehen der Stoßspitze aus dem so erhaltenen rohrförmigen Fundament.(11) Extraction of the impact tip from the tubular foundation thus obtained.
Es ist einleuchtend, daß mit einem derartigen rohrförmigen Fundament, das durch das Verfahren erhalten wird, es möglich wird, darin untergebrachte Stützmittel später zu entfernen, wenn dies notwendig sein sollte.It is obvious that with such a tubular foundation obtained by the method, it will be possible to later remove the support means housed therein if this should become necessary.
Bei einer besonders praktischen Ausführungsform kann das Verfahren gekennzeichnet sein durchIn a particularly practical embodiment, the method can be characterized by
(12) Durchführen des Schritts (8) derart, daß die Tiefe des Lochs ungefähr die Hälfte der Tiefe des endgültigen Fundaments ausmacht.(12) Performing step (8) such that the depth of the hole is approximately half the depth of the final foundation.
Eine einfache Austauschbarkeit der Stützmittel wird durch eine Ausführungsform sichergestellt, die gekennzeichnet ist durchEasy exchangeability of the support means is ensured by a design that is characterized by
(13) Verankern von Stützmitteln im rohrförmigen Fundament, wo der tatsächliche Querschnitt kleiner als der Querschnitt des rohrförmigen Fundaments ist.(13) Anchoring of support elements in the tubular foundation where the actual cross-section is smaller than the cross-section of the tubular foundation.
Wenn man wünscht, kann das Verankern durch Einfüllen von Sand, Kies oder einem anderen geeigneten Füllmaterial vorgenommen werden.If desired, anchoring can be done by filling in sand, gravel or another suitable filling material.
Eine optimale Verwendung wird mit einer Gesamthöhe bei einer Ausführungsform erhalten, die gekennzeichnet ist durchOptimum use is achieved with a total height in an embodiment characterized by
(14) Durchführen des Verfahrens derart, daß der Beton sich bis zum oberen Rand des Lochs erstreckt.(14) Carry out the process in such a way that the concrete extends to the top of the hole.
Das oben beschriebene Verfahren zur Herstellung eines rohrförmigen Fundaments im Boden bringt eine größere Verdichtung des Bodenmaterials im unmittelbaren Bereich des Lochs und daher des späteren Fundaments mit sich, wodurch dessen Tragfähigkeit verbessert wird. Der Beton wird außerdem in das Bodenmaterial gepreßt, wodurch die Kohäsion zwischen dem Fundament und dem Bodenmaterial verbessert wird.The method described above for creating a tubular foundation in the ground results in greater compaction of the soil material in the immediate area of the hole and therefore of the subsequent foundation, thereby improving its load-bearing capacity. The concrete is also pressed into the soil material, thereby improving the cohesion between the foundation and the soil material.
Die Erfindung wird nun mit Hilfe der Zeichnungen erklärt.The invention will now be explained with the help of the drawings.
In den zeichnungen zeigt:In the drawings shows:
Fig. 1 ein Werkzeug nach der Erfindung, das durch eine Werkzeugantriebsmaschine gehalten wird;Fig. 1 shows a tool according to the invention held by a tool drive machine;
Fig. 2 bis 6 schematische Querschnitte durch den Boden und ein Werkzeug nach der Erfindung in aufeinanderfolgenden Herstellungsschritten eines Fundaments im Boden;Fig. 2 to 6 show schematic cross sections through the ground and a tool according to the invention in successive steps of producing a foundation in the ground;
Fig. 7 einen schematischen Querschnitt durch ein Fundament, in welchem ein Profil-Stützpfahl angeordnet ist.Fig. 7 shows a schematic cross section through a foundation in which a profile support pile is arranged.
Fig. 1 zeigt eine Hebevorrichtung 1, die eine hydraulische Werkzeugantriebsmaschine 2 trägt. Diese Werkzeugantriebsmaschine 2 trägt einen Meißel 3, welcher in einer Weise, die später beschrieben wird, eine Stoßspitze 4 trägt. Dieser ist dazu geeignet, Löcher im Boden 5 herzustellen. Die Vorrichtung 1 weist eine hydraulische Versorgung auf, um die Einrichtung 2 über flexible Hydraulikleitungen 6, 7 anzutreiben, so daß der Meißel in Vibrationen oder Erschütterungen versetzt wird.Fig. 1 shows a lifting device 1 carrying a hydraulic tool drive machine 2. This tool drive machine 2 carries a chisel 3 which, in a manner to be described later, carries a thrust tip 4. This is suitable for making holes in the ground 5. The device 1 has a hydraulic supply to drive the device 2 via flexible hydraulic lines 6, 7 so that the chisel is set in vibration or shock.
Um ein Loch im Boden herzustellen, wird die Stoßspitze 4 in einer gewünschten Position angeordnet, die Werkzeugantriebsmaschine 2 eingeschaltet, wobei die hydraulische Versorgung in geeigneter Weise mit Energie versorgt wird und die Stoßspitze beim Vibrieren mit Hilfe einer Steuerung der hydraulischen Hebezylinder, die allgemein mit 8 bezeichnet sind, nach unten bewegt wird. Das Bodenmaterial wird hierdurch verdrängt, wodurch ein Loch entsteht, dessen unmittelbarer Bereich einer beträchtlichen Verdichtung unterworfen wurde.To make a hole in the ground, the ram 4 is placed in a desired position, the tool drive machine 2 is switched on, the hydraulic supply is suitably energized and the ram is moved downwards while vibrating by means of control of the hydraulic lifting cylinders, generally indicated at 8. The soil material is thereby displaced, creating a hole, the immediate area of which has been subjected to considerable compaction.
Fig. 2 bis 6 zeigen schematische vertikale Schnitte durch ein Loch 42, das im Boden 5 durch eine Stoßspitze 43 hergestellt wurde.Fig. 2 to 6 show schematic vertical sections through a hole 42 which was made in the ground 5 by a piercing tip 43.
Die Tiefe des Lochs 42 ist mit 1/2T bezeichnet. Dies wird später mit Hilfe von Fig. 4 und 5 besprochen.The depth of hole 42 is designated 1/2T. This will be discussed later with reference to Figs. 4 and 5.
Nachdem das Loch 42 in der in Fig. 2 schematisch gezeigten Weise gebildet wurde, wird die Stoßspitze 43 aus dem Loch 42 entfernt. Es wird dann Beton 44 in das Loch 42 geschüttet. Das Auffüllen mit Beton findet bei dieser Ausführungsform derart statt, daß das Loch ungefähr bis zur Hälfte mit Beton gefüllt wird.After the hole 42 has been formed in the manner shown schematically in Fig. 2, the impact tip 43 is removed from the hole 42. Concrete 44 is then poured into the hole 42. The filling with concrete takes place in this embodiment in such a way that the hole is filled approximately halfway with concrete.
Bevor der Beton 44 ausgehärtet ist, wird die Stoßspitze 43 wieder in das Loch 42 in der in Fig. 4 gezeigten Weise eingebracht und das Loch wird durch einen geeigneten Antrieb der Werkzeugantriebsmaschine (nicht gezeigt) verlängert. Während dieser Phase wird der Beton entlang der Stoßspitze 4 verteilt, so daß ein rohrförmiges Betongehäuse 45 geschaffen wird. Bei dieser Ausführungsform erreicht die Gesamtlänge das Maß T. Der Beton ist weiterhin teilweise in das Bodenmaterial gedrungen, wodurch das Gehäuse 45 fest in seinen unmittelbaren Umgebungsbereich verankert ist.Before the concrete 44 has hardened, the impact tip 43 is reinserted into the hole 42 in the manner shown in Fig. 4 and the hole is extended by a suitable drive of the tool drive machine (not shown). During this phase, the concrete is distributed along the impact tip 4 so that a tubular concrete housing 45 is created. In this embodiment, the total length reaches the dimension T. The concrete has also partially penetrated into the soil material, whereby the housing 45 is firmly anchored in its immediate surrounding area.
Wenn die Stoßspitze 43 zurückgezogen wird, ist das rohrförmige Fundament fertig, wie mit 46 in Fig. 6 angedeutet ist.When the thrust tip 43 is retracted, the tubular foundation is completed, as indicated by 46 in Fig. 6.
Wenn das Betongehäuse ausgehärtet ist, wird ein Stützpf ahl 47 für die Leitplanke 48 im erhaltenen Fundament 46 befestigt. Wie in Fig. 6 gezeigt ist, füllt der Stützpfahl 47 den Zwischenraum innerhalb des Fundaments 46 nicht völlig aus. Der verbliebene Zwischenraum kann beispielsweise mit Sand oder Kies aufgefüllt werden.When the concrete casing has hardened, a support pile 47 for the guard rail 48 is fixed in the resulting foundation 46. As shown in Fig. 6, the support pile 47 does not completely fill the space within the foundation 46. The remaining space can be filled with, for example, sand or gravel.
Claims (4)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0252090A AT394592B (en) | 1990-12-12 | 1990-12-12 | Method of producing a tubular foundation in the ground |
| NL9101507A NL9101507A (en) | 1990-12-12 | 1991-09-06 | TOOL FOR MAKING HOLES IN THE GROUND. |
| PCT/EP1991/002394 WO1992010637A2 (en) | 1990-12-12 | 1991-12-12 | Tool for making holes in the ground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69121419D1 DE69121419D1 (en) | 1996-09-19 |
| DE69121419T2 true DE69121419T2 (en) | 1997-01-02 |
Family
ID=25598615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69121419T Expired - Fee Related DE69121419T2 (en) | 1990-12-12 | 1991-12-12 | Process for the production of tubular foundations |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0560867B1 (en) |
| AT (1) | AT394592B (en) |
| AU (1) | AU9047991A (en) |
| DE (1) | DE69121419T2 (en) |
| DK (1) | DK0560867T3 (en) |
| ES (1) | ES2090594T3 (en) |
| NL (1) | NL9101507A (en) |
| WO (1) | WO1992010637A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178296A (en) * | 2015-08-09 | 2015-12-23 | 朱艳菊 | H-shaped mixing pile equipment |
| CN105178308A (en) * | 2015-08-09 | 2015-12-23 | 张璐 | Hexagonal prism stirring drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19814021A1 (en) * | 1998-03-30 | 1999-10-14 | Degen Wilhelm | Device for introducing a foreign substance into soils or for compacting the soil |
| FR2777310B1 (en) * | 1998-04-09 | 2000-08-11 | Bernad | DEVICE FOR LOCKING HOLES INTO THE GROUND FOR FASTENING MOUNTS OF FENCE POSTS |
| US6484152B1 (en) * | 1999-12-29 | 2002-11-19 | Optimumportfolio.Com, Llc | Automated portfolio selection system |
| GB2362673B (en) * | 2000-05-26 | 2002-08-21 | Pennine Holdings Ltd | Pile formation |
| ATE390522T1 (en) * | 2005-06-09 | 2008-04-15 | Kellner Ges M B H | RAMP STOCK |
| DE102012201281A1 (en) | 2011-02-08 | 2012-08-09 | Otto Drexler | Reinforced concrete foundation pile structure used for roof, bridge or wall construction of gas station for e.g. electric vehicle, has reinforced concrete pile portions and spacing pile that are formed as three-pronged pile system |
| RU2553416C1 (en) * | 2014-03-05 | 2015-06-10 | Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук | Pneumatic elevator |
| CN107327272B (en) * | 2017-07-28 | 2019-05-03 | 湖南天鹰建设有限公司 | The jet drill rig for repairing construction is built for road and bridge |
| CN109015536B (en) * | 2018-09-18 | 2024-07-09 | 山西潞安环保能源开发股份有限公司漳村煤矿 | Heavy pneumatic pick coal breaking device with motorized propulsion and rebound and use method thereof |
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| GB8622605D0 (en) * | 1986-09-19 | 1986-10-22 | Wimet Mining Ltd | Mineral cutting |
| US4810020A (en) * | 1988-03-07 | 1989-03-07 | Esco Corporation | Hydraulic snubber for grapple and method |
| DE3840923C2 (en) * | 1988-12-05 | 1994-03-24 | Schmidt Paul | Ram drilling machine |
| DE8912404U1 (en) * | 1989-10-19 | 1989-12-14 | Fabritz, Gerhard, 4150 Krefeld | Machine for creating pits and boreholes in the ground |
-
1990
- 1990-12-12 AT AT0252090A patent/AT394592B/en not_active IP Right Cessation
-
1991
- 1991-09-06 NL NL9101507A patent/NL9101507A/en not_active Application Discontinuation
- 1991-12-12 DE DE69121419T patent/DE69121419T2/en not_active Expired - Fee Related
- 1991-12-12 EP EP92900863A patent/EP0560867B1/en not_active Expired - Lifetime
- 1991-12-12 WO PCT/EP1991/002394 patent/WO1992010637A2/en active IP Right Grant
- 1991-12-12 AU AU90479/91A patent/AU9047991A/en not_active Abandoned
- 1991-12-12 DK DK92900863.9T patent/DK0560867T3/en active
- 1991-12-12 ES ES92900863T patent/ES2090594T3/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178296A (en) * | 2015-08-09 | 2015-12-23 | 朱艳菊 | H-shaped mixing pile equipment |
| CN105178308A (en) * | 2015-08-09 | 2015-12-23 | 张璐 | Hexagonal prism stirring drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| NL9101507A (en) | 1992-07-01 |
| WO1992010637A3 (en) | 1992-12-10 |
| ES2090594T3 (en) | 1996-10-16 |
| EP0560867B1 (en) | 1996-08-14 |
| WO1992010637A2 (en) | 1992-06-25 |
| DE69121419D1 (en) | 1996-09-19 |
| ATA252090A (en) | 1991-10-15 |
| AU9047991A (en) | 1992-07-08 |
| EP0560867A1 (en) | 1993-09-22 |
| DK0560867T3 (en) | 1996-09-16 |
| AT394592B (en) | 1992-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |