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WO2007121810A1 - Garniture d'ÉtanchÉité et son procÉdÉ de fixation et introduction d'UN matÉriel d'injection sous pression dans une fissure, UN trou et analogue dans un ÉLÉMENT DE CONSTRUCTION ou UN ÉDIFICE, tout comme SA coquille d'expansion fendue - Google Patents

Garniture d'ÉtanchÉité et son procÉdÉ de fixation et introduction d'UN matÉriel d'injection sous pression dans une fissure, UN trou et analogue dans un ÉLÉMENT DE CONSTRUCTION ou UN ÉDIFICE, tout comme SA coquille d'expansion fendue Download PDF

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Publication number
WO2007121810A1
WO2007121810A1 PCT/EP2007/002049 EP2007002049W WO2007121810A1 WO 2007121810 A1 WO2007121810 A1 WO 2007121810A1 EP 2007002049 W EP2007002049 W EP 2007002049W WO 2007121810 A1 WO2007121810 A1 WO 2007121810A1
Authority
WO
WIPO (PCT)
Prior art keywords
packer
injection material
rear end
injection
diameter
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.)
Ceased
Application number
PCT/EP2007/002049
Other languages
German (de)
English (en)
Inventor
Anette Terborg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koster Bauchemie AG
Original Assignee
Koster Bauchemie AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koster Bauchemie AG filed Critical Koster Bauchemie AG
Publication of WO2007121810A1 publication Critical patent/WO2007121810A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0203—Arrangements for filling cracks or cavities in building constructions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0203—Arrangements for filling cracks or cavities in building constructions
    • E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection

Definitions

  • the present invention relates to a packer comprising an elongated body having a front and a rear end and a lateral surface through which an injection channel which connects an injection material inlet opening with at least one injection material outlet opening and a device for setting the same and introducing injection material under pressure into a crack, a defect and the like in a component or structure, and a slotted expansion sleeve for the packer.
  • screw packers for introducing injection material under pressure into a crack, a defect and the like in a component or a building known.
  • a borehole for example at a crack, usually laterally to the crack, drilled. Through the side hole is a crack that partially not straight down, achieved.
  • the borehole usually has a diameter in the range of about 8 to 16mm.
  • the screw packer is inserted into the borehole so far that a rubber piece provided on the screw packer is completely embedded in the borehole. Then the rubber piece is pressed apart by screwing and thus tightened the screw packer in the borehole.
  • the screw packer is a complex produced, multi-part composite tool.
  • impact packers are known. They are usually made of plastic with a conical nipple or a valve at the rear end. Usually, they are cut flush with the ground after they have been used. They can also be flush-mounted. In this case, but later the valve remains visible or the hole must still be closed.
  • the Schlagpacker are made expensive because of the required check valve.
  • both the known screw packer and the known impact packer have the disadvantage that after using the same either the valve is still visible or the hole must be closed, as when breaking off the screw or Schlagpackers the breakage in the rarest cases it is flush with the surface.
  • packers are used for the impregnation of building materials. These materials can z. B. masonry, concrete, wood, plastic, mortar, plaster, screed etc .. These packers are preferably designed so that they have lateral outlet openings which are round or slit-shaped. Thus, certain areas can be reached in the building materials or even the entire area of the borehole or the packer. All packers used so far have in common that they are moving parts, such. B. ball and spring in the valve include.
  • Impact packers can only be driven into the borehole through the overhead valve or the thread for the valve with special impact aids.
  • the invention is therefore an object of the invention to provide a packer in which after its use, neither a valve is visible nor a hole must be closed.
  • this object is achieved in the packer of the type mentioned above in that the Injetechnischsmaterialeinlouö réelle is arranged in the lateral surface of the elongated body.
  • the packer can be elongated cylindrical or pin-shaped.
  • the elongated body comprises a hollow cylinder part, wherein the injection channel is partially formed by the bore of the hollow cylinder part.
  • the lateral surface of the elongated body tapers towards the front end of the body.
  • it may be tapered in a frusto-conical shape.
  • the or at least one Injekomsmaterialauslenseöffhung is in the region of the front end of the body.
  • the or at least one injection material outlet opening is located in the end face at the front end of the body.
  • the or at least one Injekomsmaterialauslenseöffiiung for example, slots, round holes or the like, is arranged laterally.
  • the packer is suitable for impregnation in open capillary joints, filling in cavities, etc.
  • the Injetechnischelensel is in the region of the rear end of the body in the lateral surface.
  • a valve device In the injection channel, a valve device may be provided.
  • valve device is provided in the vicinity of the injection material inlet opening.
  • the valve device comprises an elastic element which closes the injection material inlet opening in the unloaded state and at least partially releases the injection material inlet opening when feeding injection material from the outside to the injection material inlet opening.
  • the elastic element is a pin-shaped element with a bevelled side at its front end.
  • the pin-shaped element has an outer diameter which allows a sealing displacement in the injection channel.
  • the elastic element is made of plastic.
  • valve device is provided in the vicinity of the injection material outlet opening.
  • the elongated body is made of plastic.
  • the elongate body may be made of metal.
  • Metal has the advantage over plastic, that thereby the outer diameter of the packer can be reduced.
  • the lateral surface is completely or partially corrugated.
  • the packer is einschlagbar.
  • the packer is a screw-in packer.
  • the packer can be modularly constructed from at least two packer parts in the longitudinal direction.
  • a packer which has lateral injection material outlet openings over the entire length or over parts thereof.
  • a pipe can be pushed, which has lateral injection material outlet openings only in partial areas, so that so that the parts to be impregnated can be detected.
  • the packer parts or extension pieces must, in principle, always be open at the front and at the back, where they are used as pure extension pieces. However, the foremost packer part or extension piece can be closed at the front if it has lateral injection material outlet openings. This may be important, for example, when the borehole passes entirely through the component or structure. In this case, a packer or extension piece open at the front would allow the injection material to be pushed out at the front.
  • the remaining or the remaining packer part (s) has / have a bore extending longitudinally or parallel thereto.
  • the packer parts are detachably connectable to each other.
  • the packer parts are positively connected to one another.
  • At least one packer part has the or at least one injection material outlet opening. Due to the modular design, packers of any length can be provided or extended to any length.
  • a slotted spreading wrapper for a packer comprising a slotted insertion-front spreader end, an annular insertion-direction rearward end, and a sealing portion disposed between the spreader end and the rear end for sealing the injection material inlet port the packer.
  • the spreading has at least one tapered in the cutting direction slot.
  • the spreading end has at least one outwardly projecting hook-shaped element.
  • a packer setting apparatus for injecting injection material under pressure into a crack, a defect and the like in a structural member or structure comprising a body having a front end and a rear end and a body A contact surface at the front end, a continuous Packerzu 1500kanal connecting a packer inlet opening with a Packeraustrittsöffhung and having a diameter dp, which is selected so that a packer in the Packerzu Glasskanal is sealingly displaceable, wherein the Packereintrittsöffhung is disposed at the rear end of the body and the packer discharge port is disposed in the abutment surface, an injection material supply passage extending from an outer entrance region and in fluid communication with the packer supply passage.
  • the rear end of the body has a flat surface.
  • the rear end of the body is made of rubber or plastic.
  • the front end of the body tapers frusto-conically.
  • the packer feed channel has three sections in its longitudinal direction, the first and third sections having a diameter dl and the second section therebetween having a second diameter d2 greater than the first diameter dl and the injection material supply channel is in fluid communication with the second portion.
  • the body is essentially a cylinder and the inlet region is arranged in the lateral surface of the cylinder.
  • the Packerzu Semikanal runs along the longitudinal central axis of the body or parallel thereto.
  • the invention is based on the surprising finding that, by the arrangement of the Injetechnischsmaterialeinlouö réelle in the outer surface instead of the rear end of the elongated body of the packer after the introduction of injection material in the component or building can be knocked without later a valve is visible or Hole must be closed, and that the packer closes by the simple impact into the component. This leads to a significant reduction in working hours and thus labor costs. In addition, the packer can be produced more cheaply due to its simple construction.
  • a sleeve In the borehole can be used before inserting the packer, a sleeve whose inner diameter corresponds to the outer diameter of the packer.
  • This sleeve is designed to be widened at the upper end of the outer diameter, so that it remains in the upper region of the borehole during the driving of the packer.
  • This sleeve ensures a secure closure of the injection material inlet opening after the packer has been driven into the borehole. This backup is thus also given if z. B. the borehole has broken out or is slightly worn out in the region of the inlet opening.
  • teeth or barbs By arranged on the sleeve grooves, teeth or barbs the hammered packer can also be fixed in the borehole.
  • the invention thus provides, at least according to a particular embodiment, a packer,
  • the z. B. can be extended by additional parts when used for impregnations in its length.
  • the device allows both insertion of a packer and introduction of injection material under pressure through the packer into a crack, a defect and the like in a component or structure and subsequent at least partial further impact of the packer in the component or building by supplying another packer , where appropriate, a hammer or the like can be used for flush wrapping the packer.
  • Figure 1 is a side view of a packer according to a particular
  • Figure 2 is a sectional view of the packer of Figure 1;
  • Figure 3 is a simplified sectional view of another particular embodiment of a packer according to the present invention;
  • Figure 4 is a side view of an apparatus for setting packers and injecting injection material under pressure into a crack, a defect and the like in a component or building according to a particular embodiment of the invention partially in section;
  • Figure 5 shows the device of Figure 4 with the packer propelled further down
  • Figure 6 is a side view of a portion of a modular packer according to a
  • Figure 7 is a perspective view of a sleeve for a packer according to a particular embodiment of the invention.
  • the packer 10 shown in Figs. 1 and 2 comprises an elongate body 12 having a forward end 14, i.e., a tear, etc. (not shown), and a rear end 16.
  • the elongated body 12 includes a cylindrical portion 18 having a frusto-conical portion Tip 20 at the front end 14 on.
  • the rear end 16 has a flat end face 22. From the front end 14, an injection channel 23 extends over a substantial part along the longitudinal center axis L of the body 12. It connects an injection material outlet opening 24 in the end face 26 at the front end 14 with an injection material inlet opening 28 in the shell surface 30 of the body 12.
  • Said injection material inlet opening 28 is located in the rear half of the body 12 and is formed as a bore at right angles to the longitudinal central axis L.
  • the Injection material inlet port 28 is shown as a longitudinal bore. Of course, it can also be designed as a circular bore.
  • Packer 10 is a percussion packer having a total length of 70 mm and an outside diameter of 8.23 mm. If necessary, a valve such as a ball valve (not shown) may be provided in the injection channel 23 in the region of the front end 14 or in the area of the injection material inlet port 28.
  • a valve such as a ball valve (not shown) may be provided in the injection channel 23 in the region of the front end 14 or in the area of the injection material inlet port 28.
  • Figure 3 shows an alternative to the cylinder part 18 shown in Figures 1 and 2. It is a hollow cylinder part 32 with a through hole 34 along the longitudinal center axis L. Part of the bore 34, namely from the front end 34a to the section 34b forms an injection channel 36. Inserted into the rear end 34c of the bore is a rod-shaped element 38, the rear end 38a of which has a circular cross-section, the diameter of which is selected so that the element 38 in the bore 34 sealingly, optionally with something Friction, is displaceable, and the front end 38b has a tapered side 38c.
  • the front end 38b is arranged and resiliently configured to lift upwardly as shown in the lower diagram of Figure 3 and to connect the injection channel 36 to a side injection material inlet port 40 when injecting material (not shown) from outside under pressure Injection material inlet port 40 is input, and otherwise prevents backflow of injected injection material by being pressed down in Figure 3 above, when pressure is exerted on the tapered side 38c.
  • Figures 4 and 5 show a device 42 for placing the packer 12 shown in Figures 1 and 2 and injecting injection material under pressure into a crack, a defect and the like in a structural member or structure according to a particular embodiment of the invention.
  • the device 42 comprises a body 44 having a front end 46 and a rear end 48 and a locating surface 50 at the front End 46.
  • the body 44 is formed substantially in the shape of a cylinder, with the front end 46 tapering in a frusto-conical shape and the rear end 48 having a flat surface, namely end surface 52, made of rubber.
  • Packer feed channel 54 has a first section 60 and a third section 64 having a first diameter and a second section 62 located longitudinally between the first section 60 and the third section 64 and having a second diameter d2 that is greater than the first diameter dl.
  • a rectilinear injection material supply channel 66 extends at an angle ⁇ to the packer feed channel 54 between the third section 64 and an outer inlet region 68 located on the lateral surface of the cylinder the cylinder has a recess 70 with a flat surface 72.
  • an internal thread (not shown) for screwing a valve (not shown) may be provided.
  • the front end 46 is formed separately and fixed to the main body by three screws (not shown). In this regard, reference is made to the counterbores 74 and 76 in Figures 4 and 5.
  • the device 42 and in this case also the packer feed channel 54 has a length LV which is approximately 1.5 times the length Lp of the packer 12.
  • a packer 10 is inserted into the packer entry opening 56 with its front end 14 forward and driven toward the front end 46 of the apparatus 42, for example by hand or by means of a tool.
  • the packer 10 has been fully driven into the packer feed channel 54, it is further propelled toward the front end 46 of the apparatus by subsequently inserting another packer 10 into the packer inlet opening 56, again forwardly with the front end 14 (see FIG ). This can in turn be done by hand or for example by means of a tool.
  • the device 42 When the first-introduced packer 10 has reached the opposite, that is, the front end 46 of the device 42, the device 42 is placed with its abutment surface 50, for example, on a crack (not shown) in a structural member (not shown). Subsequently, the rear packer 10, whose rear end 16 still protrudes from the Packereintrittsöffhung 56 to the rear (see Figure 4), by means of a tool, for example a hammer further driven into the Packerzu Glasskanal 54. The first introduced, that is front packer 10 is thereby driven with its front end 14 from the Packeraustrittsöffhung 58 out into the crack.
  • the rear packer 10 is now driven so far into the Packerzu slaughteral 54 that it terminates at least substantially flush with the rear end 48 of the device 42. Due to the dimensions (LV; LP) of the device 42 and the packer 10 and the arrangement of the second section 62, the injection material inlet opening 28 of the front packer 10 now communicates with the injection material supply channel 66. In this stage, injection material is introduced into the packer 10 and over it into the crack via the outer inlet region 68 and the injection material supply channel 66. After injection of injection material, the foremost packer 10 is driven further into the crack by means of another packer 10 inserted into the pack inlet opening 56 and driven further into the packer feed passage 54. This can be done so far that the rear End 16 of the packer 10 flush with the component. Optionally, this can also be achieved in addition by, for example, a hammer.
  • the feeding of the packer 10 to the device 42 can be effected for example by means of a loading device (not shown) with a magazine.
  • the device 42 is held by hand or by means of a suitable device and optionally pressed against the component.
  • the apparatus 42 may be used to set further packers at, for example, other locations along the crack.
  • the Injetechnischsmaterialzu technisch to Injektmaterialsmaterialzu Humankanal 66 must be neither dismantled nor remounted.
  • FIG. 6 shows a slotted expansion sleeve 78 for a packer, for example the packer shown in FIGS. 1 and 2.
  • the slotted expansion sleeve 78 includes a slotted, forward insertion end 80, an insertion rear end 84 provided with an annular flange 82, and a sealing portion 86 disposed between the expansion end 80 and the rear end 84 for sealing the injection material outlet port of the packer (not shown) ).
  • the slotted expansion sleeve 78 in the cutting direction tapered slots, two of which can be seen here and provided with the reference numerals 88 and 90.
  • an outwardly projecting hook-shaped element is provided between the slots, of which three can be seen here and provided with the reference numerals 92, 94 and 96.
  • the expansion sleeve 78 is for example inserted into a borehole so that the annular flange 82 on the wall of a component (not shown) rests flat. Then, when a packer is hammered into the expansion sleeve 78, the injection material outlet opening becomes complete sealed. At the same time, the hook-shaped elements 92, 94 and 96 press against the borehole.
  • the expansion sleeve 78 may be grooved or toothed on its inside (not shown). Preferably, then a corresponding corrugation or toothing is also provided on the outside of the packer. In combination with the hook-shaped elements, the packer can thus no longer slip out of the borehole.
  • FIG. 7 shows the rear section of a modular packer 10. It consists of several, for example three, packer parts, of which the packer parts 98, 100 and 102 can be seen here. Said packer parts can be positively connected to each other at their longitudinal ends in the longitudinal direction. The positive connection results from a respective dovetail-shaped groove 104 or 106 at the front end of the respective packer part and a complementarily shaped spring 108 or 110 at the rear end of the respective packer part.
  • a through bore 112 and 114 respectively.
  • the rear packer 102 also has a bore 116, which although a continuation of the bore 114 in the longitudinal direction, but does not pass through the packer part 102 in the longitudinal direction, but ends in a Injekomsmaterialeinlrawöffhung 118, which is located in the lateral surface of the packer part 102.
  • the bores 112 to 116 thus form an injection channel, which the Ijektjektmaterialeinlrawöffhung 118 with a not shown

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

Garniture d'étanchéité, comprenant un corps allongé (12) ayant une extrémité avant (14) et une extrémité arrière (16) et une surface d'enveloppe (30), qu'un canal d'injection (23 ; 26) traverse, lequel relie une ouverture d'introduction de matériau d'injection (28) à au moins une ouverture d'introduction de matériau d'injection (24), caractérisé en ce que l'ouverture d'introduction de matériau d'injection (28) est agencée dans la surface d'enveloppe (30) du corps allongé, et caractérisé par le dispositif (42) destiné à la fixation de celui-ci et à l'introduction de matériau d'injection sous pression dans une fissure, un trou et analogue dans un élément de construction ou un édifice, tout comme une coquille fendue (78) destinée à celle-ci.
PCT/EP2007/002049 2006-04-24 2007-03-09 Garniture d'ÉtanchÉité et son procÉdÉ de fixation et introduction d'UN matÉriel d'injection sous pression dans une fissure, UN trou et analogue dans un ÉLÉMENT DE CONSTRUCTION ou UN ÉDIFICE, tout comme SA coquille d'expansion fendue Ceased WO2007121810A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006018857.8 2006-04-24
DE102006018857A DE102006018857A1 (de) 2006-04-24 2006-04-24 Packer und Vorrichtung zum Setzen desselben und Einbringen von Injektionsmaterial unter Druck in einen Riß, eine Fehlstelle und dergleichen in einem Bauteil oder einem Bauwerk sowie geschlitzte Spreizhülse für selbigen

Publications (1)

Publication Number Publication Date
WO2007121810A1 true WO2007121810A1 (fr) 2007-11-01

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PCT/EP2007/002049 Ceased WO2007121810A1 (fr) 2006-04-24 2007-03-09 Garniture d'ÉtanchÉité et son procÉdÉ de fixation et introduction d'UN matÉriel d'injection sous pression dans une fissure, UN trou et analogue dans un ÉLÉMENT DE CONSTRUCTION ou UN ÉDIFICE, tout comme SA coquille d'expansion fendue

Country Status (2)

Country Link
DE (1) DE102006018857A1 (fr)
WO (1) WO2007121810A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783804A (en) * 1972-04-21 1974-01-08 E Platz Sub-surface root fertilizer and probe
DE9101539U1 (de) * 1991-02-12 1991-05-02 Bec Breznikar Gmbh Rationalisierungs- Und Umwelttechnik, 4130 Moers Vorrichtung zur Strukturumwandlung von Gefahrstoffe enthaltenden Wand-, Konstruktions- oder Deckenbeschichtungen
WO2000061917A1 (fr) * 1999-03-30 2000-10-19 Bengt Arvidsson Procede et dispositif pour l'injection de pates durcissables dans des cavites
US6226948B1 (en) * 1999-05-26 2001-05-08 John F. Trout Method and apparatus for waterproofing concrete
JP2002364182A (ja) * 2001-06-06 2002-12-18 Nippon Grease Nipple Kk 流体注入プラグ
DE202005017011U1 (de) * 2005-11-02 2006-02-09 Richter, Beate Eintages-Injektionspacker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557563A (en) * 1969-11-24 1971-01-26 Antoni Stevens Grouting nozzle
DE4340253A1 (de) * 1993-11-26 1995-06-01 Desoi Gmbh Vorrichtung zum Füllen von Hohlräumen in Bauwerkswänden
DE29915614U1 (de) * 1999-09-07 1999-11-11 Desoi GmbH, 36148 Kalbach Vorrichtung zum Füllen von Hohlräumen
FR2801927B1 (fr) * 1999-12-03 2002-05-10 Cie Du Sol Dispositif d'injection d'un coulis
DE19961553C1 (de) * 1999-12-20 2001-06-13 Hettich Ludwig & Co Packer und Verfahren zum Einbringen von Injektionsmedien in Risse oder Hohlräume in Beton
FR2802957B1 (fr) * 1999-12-28 2002-08-02 Olivier Bidaux Dispositif d'injection pour le traitement d'ouvrages en maconnerie

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783804A (en) * 1972-04-21 1974-01-08 E Platz Sub-surface root fertilizer and probe
DE9101539U1 (de) * 1991-02-12 1991-05-02 Bec Breznikar Gmbh Rationalisierungs- Und Umwelttechnik, 4130 Moers Vorrichtung zur Strukturumwandlung von Gefahrstoffe enthaltenden Wand-, Konstruktions- oder Deckenbeschichtungen
WO2000061917A1 (fr) * 1999-03-30 2000-10-19 Bengt Arvidsson Procede et dispositif pour l'injection de pates durcissables dans des cavites
US6226948B1 (en) * 1999-05-26 2001-05-08 John F. Trout Method and apparatus for waterproofing concrete
JP2002364182A (ja) * 2001-06-06 2002-12-18 Nippon Grease Nipple Kk 流体注入プラグ
DE202005017011U1 (de) * 2005-11-02 2006-02-09 Richter, Beate Eintages-Injektionspacker

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