EP1361941B1 - Procede d'enlevement d'une couche externe de ma onnerie, et dispositif d'enlevement de la couche externe, notamment de mortier de jointoiement - Google Patents

Procede d'enlevement d'une couche externe de ma onnerie, et dispositif d'enlevement de la couche externe, notamment de mortier de jointoiement Download PDF

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Publication number
EP1361941B1
EP1361941B1 EP02712767A EP02712767A EP1361941B1 EP 1361941 B1 EP1361941 B1 EP 1361941B1 EP 02712767 A EP02712767 A EP 02712767A EP 02712767 A EP02712767 A EP 02712767A EP 1361941 B1 EP1361941 B1 EP 1361941B1
Authority
EP
European Patent Office
Prior art keywords
water
jet
material dust
dust
water supply
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 - Lifetime
Application number
EP02712767A
Other languages
German (de)
English (en)
Other versions
EP1361941A1 (fr
EP1361941B8 (fr
Inventor
Peter Marx
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.)
Marx Peter
Original Assignee
Marx Peter
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 Marx Peter filed Critical Marx Peter
Publication of EP1361941A1 publication Critical patent/EP1361941A1/fr
Publication of EP1361941B1 publication Critical patent/EP1361941B1/fr
Application granted granted Critical
Publication of EP1361941B8 publication Critical patent/EP1361941B8/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/183—Hand tools, e.g. portable, motor driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work

Definitions

  • the invention relates to a method for removing an outer layer a masonry, in particular grout, in which the outer layer is processed by pneumatically driven grinding or milling and the resulting material dust is bound in its disfigurement area with water.
  • the corresponding device for removing an outer layer of a Masonry, especially grout consists of a mobile and with Compressed air powered machine for grinding or milling and from one Water supply device with a water supply line for binding the dry material dust.
  • Such methods and devices are used in construction for the rehabilitation of Old buildings are used and are e.g. from DE-A-3,438,999 known.
  • Healthy masonry often has weathered plaster or stone layers or colored impurities and must therefore be processed from time to time Be sure that the surface is clean again or a new paint or plaster coating is prepared.
  • the outer layer of a masonry with the help of a mobile and electrically operated milling or grinding tool except one clean surface removed.
  • To work on these smooth surfaces usually mobile and electrically operated devices with end mills or used with dish or cup grinding wheels.
  • Working with these tools produces an extraordinary dust, which only by costly planning the workplace are shielded from the environment can. The stronger the dust development within the planning, the worker health and the tools mechanically load and the the field of vision severely restricted for the worker.
  • a device for processing smooth surfaces is, for example, in DE 38 08 376 A1, which removes the inner lining of a chimney draft and is prepared for a new order and in place of the usual electrical Drive has a pneumatic actuator.
  • This device is therefore a fluid compressor and a fluid motor, both via a fluid conduit connected to each other.
  • the fluid motor has a size of the Chimney draft adapted milling tool and a guide line for insertion of the milling tool in the chimney draft.
  • a Suction nozzle attached to a leading to a vacuum cleaner suction line.
  • the invention is therefore based on the object, a method for removing a outer layer of masonry and device for removing grout to develop in the present genus, in which the formation of dust is largely prevented.
  • the particular advantage of the innovation over the prior art is that that accumulating material dust is no longer consuming and insufficiently reduced but that already prevents the formation of dry material dust becomes. As a result, practically all are related to the dry material dust Disadvantages and impairments are eliminated. It is also of special Advantage that even the smallest dust particles are bound, such as the most harmful crystalline silica fumed silica. This is due solely to the fact that virtually in the area of origin of the material dust sets an underwater situation that does not escape material dust can.
  • the device is simple and therefore inexpensive to manufacture and due to the easy to handle.
  • the water supply line to her Mouth is equipped with a mouth piece, which is directly on the splash guard of Housing is flanged.
  • the water jet hits directly on the rotating Grinding wheel, which smashes and atomizes the water jet and the water up transported to the area of origin of the material dust. This saves elaborate Constructions for the formation of a defined water jet and its exact Orientation to the origin of the material dust.
  • the method and the device is not on the elaboration of masonry joints limited use, but it can be used in all work, where by removing materials dry and harmful to health
  • the device for removing joint material consists of a commercially available Angle grinder with a housing 1 and a grinding wheel 2.
  • the Grinding wheel 2 is surrounded by a dust cover 3, in cooperation with the direction of rotation of the grinding wheel 2 the removed mortar dust only in one Freeing direction that is directed away from the worker's body.
  • the housing 1 has an attached handle 4 and a molded handle 5, the Ergonomic reasons are aligned approximately at right angles to each other.
  • There are on the housing 1 two opposite fasteners for the attached handle 4, by the choice of the position of the attached handle 4 to allow the emission of dust either on the one hand or on the other.
  • the angle grinder is equipped with a pneumatic drive motor and therefore has between the housing 1 and a compressed air supply system, not shown a supply line 6 for compressed air.
  • a supply line 6 for compressed air.
  • a holding element 8 for a water supply device 9 On the housing 1 is still a holding element 8 for a water supply device 9, which is preferably designed as a mounting clamp.
  • This clamp-like holding element 8 can be rotated by a rotation relative to the Position housing 1 selectively and thus to the selected position of the attached Adjust handle 4.
  • the water supply device 9 is in the Main thing from a shut-off valve 10 with a locking lever 11, wherein the shut-off valve 10 on the one hand via a water supply line 12 with a not shown Water supply system is connected.
  • the shut-off valve 10 carries a water supply line 13, the effect of the grinding wheel 2 and thus aligned with the area of origin of the material dust.
  • the water supply line 13 has at its the Grinding wheel 2 end facing a Wassersprühdüse 14.
  • This water spray nozzle 14 is positioned in front of the area of origin of the material dust and with its Nozzle opening aligned with the area of origin of the material dust.
  • the water supply line 13 at each change of direction with each a line joint 15 and 16 equipped so that the position of the water spray nozzle 14 compared to the emergence of the mortar dust variable both is adjustable in their orientation and in their distance.
  • the Wasserprühdüse 14 viewed in the direction of rotation of the grinding wheel 2 before the emergence of the dust jet, so that the spray of water in the Emergence can hit the dust jet.
  • the water supply device also has an unillustrated pressure control device that it allows the flow velocity of the exiting water jet constantly adapted to the flow speed of the material dust, thus the water jet reaches the dust jet at all and thus the outgoing water jet completely penetrates the dust jet.
  • the water supply line 13 has at its the grinding wheel 2 facing end in place of the water spray nozzle 14 a mouthpiece 17, which is flanged directly to the splash guard 3, so that the mouth opening exclusively is aligned with the rotating grinding wheel 2. That's true Water radiating on the rotating grinding wheel 2 and is characterized by the rotating grinding wheel 2 transported to the emergence of the dust jet and sprayed or fogged on the way there.
  • adjustable depth stop for adjusting the depth of cut Grinding wheel 2.
  • the desired Cutting depth set on the depth stop of the housing 1 and then the compressed air supply system and put the water supply system into operation.
  • the water pressure becomes with the help of the pressure control device of the water supply device the rotational speed of the grinding wheel 2 is tuned to allow the flow velocity the water jet at least the flow velocity of the Dust jet has.
  • the operating lever 7 for driving the Grinding wheel 2 and the locking lever 11 is actuated to produce a water jet and the device with the rotating grinding wheel 2 to the setting joint of the masonry stated.
  • Mortar dust is created in the form of a jet of dust in the immediate vicinity Originating mixed in a water jet from the water spray nozzle 14 issuing water jet becomes. All dry dust particles are completely covered with water bonded, so that a now moistened dust jet thrown in a lateral direction becomes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Pyrrole Compounds (AREA)
  • Ropes Or Cables (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Claims (7)

  1. Procédé pour enlever une couche extérieure d'un ouvrage de maçonnerie, notamment de mortier de jointoiement, dans lequel la couche extérieure est dégrossie ou enlevée par meulage ou fraisage à entraínement pneumatique et les poussières de matériau sont liées avec de l'eau dans la zone de leur production,
    caractérisé en ce que
    l'eau sous forme d'un jet de pulvérisation s'ajoute au jet des poussières de matériau, le jet de pulvérisation d'eau étant orienté dans la direction du jet des poussières de matériau, et la pression d'eau du jet de pulvérisation étant choisie de manière à ce que le jet de pulvérisation d'eau traverse complètement le jet des poussières de matériau.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le jet de pulvérisation d'eau est configuré pour saisir le jet des poussières de matériau sur toute sa largeur et sans l'influencer dans sa direction.
  3. Dispositif pour enlever une couche extérieure d'un ouvrage de maçonnerie, notamment de mortier de jointoiement, comprenant une machine de fraisage ou de meulage mobile fonctionnant à l'air comprimé et un dispositif d'alimentation en eau (9) avec une conduite d'alimentation en eau (13) pour lier les poussières de matériau sèches,
    caractérisé en ce que
    la conduite d'alimentation en eau (13) est disposée en amont de la zone de production des poussières de matériau et orientée par son ouverture de sortie sur la zone de production des poussières de matériau.
  4. Dispositif selon la revendication 3,
    caractérisé en ce que
    la conduite d'alimentation en eau (13) est munie à sa sortie d'une buse de pulvérisation d'eau (14), et le dispositif d'alimentation en eau (9) est muni d'un système de régulation de pression, qui génère un jet d'eau rendant pénétrable le jet des poussières de matériau.
  5. Dispositif selon la revendication 4,
    caractérisé par
    une buse de pulvérisation d'eau (14) réglable en position.
  6. Dispositif selon la revendication 4,
    caractérisé par
    une buse de pulvérisation d'eau (14) réglable en direction.
  7. Dispositif selon la revendication 3,
    caractérisé en ce que
    la conduite d'alimentation en eau (13) est munie à sa sortie d'une filière (17) directement bridée sur la protection anti-éclaboussures (3) et dont l'ouverture de sortie est exclusivement orientée vers la meule rotative (2).
EP02712767A 2001-02-14 2002-02-12 Procede d'enlevement d'une couche externe de ma onnerie, et dispositif d'enlevement de la couche externe, notamment de mortier de jointoiement Expired - Lifetime EP1361941B8 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10106761A DE10106761A1 (de) 2001-02-14 2001-02-14 Verfahren zum Abtragen einer äußeren Schicht eines Mauerwerkes und Vorrichtung zum Entfernen der äußeren Schicht, insbersondere von Fugenmörtel
DE10106761 2001-02-14
PCT/DE2002/000491 WO2002064340A1 (fr) 2001-02-14 2002-02-12 Procede d'enlevement d'une couche externe de maçonnerie, et dispositif d'enlevement de la couche externe, notamment de mortier de jointoiement

Publications (3)

Publication Number Publication Date
EP1361941A1 EP1361941A1 (fr) 2003-11-19
EP1361941B1 true EP1361941B1 (fr) 2005-11-02
EP1361941B8 EP1361941B8 (fr) 2006-06-14

Family

ID=7673966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02712767A Expired - Lifetime EP1361941B8 (fr) 2001-02-14 2002-02-12 Procede d'enlevement d'une couche externe de ma onnerie, et dispositif d'enlevement de la couche externe, notamment de mortier de jointoiement

Country Status (4)

Country Link
EP (1) EP1361941B8 (fr)
AT (1) ATE308410T1 (fr)
DE (2) DE10106761A1 (fr)
WO (1) WO2002064340A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103144206A (zh) * 2012-04-29 2013-06-12 刘开全 一种切割墙体的暗线线槽的带喷雾除尘装置的双刀切割机
CN107013016A (zh) * 2017-04-14 2017-08-04 高豹 一种切槽装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1090538B (de) * 1956-04-26 1960-10-06 Wilhelm Engstfeld Fa Vorrichtung zur Staubniederschlagung beim Schleifen und Polieren von Metallkoerpern od. dgl.
DE2913672A1 (de) * 1979-04-05 1980-10-09 Werner Rasch Vorrichtung an schleifboecken zur entstaubung des anfallenden schleifstaubes
DE8323459U1 (de) * 1983-08-16 1983-11-24 Geier, Franz, 8056 Eichenried Vorrichtung zur Bearbeitung von Oberflächen aus Mörtel, Mauerwerk, Beton, Holz oder dgl.
US4676557A (en) * 1984-07-20 1987-06-30 Cimline, Inc. Cooling system for wheeled saw
DE3438999A1 (de) * 1984-10-25 1986-04-30 Horst 4600 Dortmund Nathe Verfahren und vorrichtung zur sanierung verfugter flaechen
DE3730693A1 (de) * 1987-09-12 1989-03-23 Treutle Maschinenbau Verfahren und vorrichtung zum binden des spaltstaubes bei steinspaltmaschinen
JPH0236097A (ja) * 1988-07-26 1990-02-06 Koumu:Kk コンクリート等用のエアーカツター
DE3943076A1 (de) * 1989-12-27 1991-07-04 Hilti Ag Handgeraet mit fraes- oder schleifscheibe
DE9102026U1 (de) * 1991-02-21 1991-05-16 Neitzert, Bernd, Dipl.-Ing., 5442 Mendig Von Hand zu führender Trennschleifer
IL125469A (en) * 1998-07-23 2001-07-24 Sherez Shaul Hand held cutting tool

Also Published As

Publication number Publication date
EP1361941A1 (fr) 2003-11-19
DE10106761A1 (de) 2002-09-26
ATE308410T1 (de) 2005-11-15
EP1361941B8 (fr) 2006-06-14
DE50204770D1 (de) 2005-12-08
WO2002064340A1 (fr) 2002-08-22

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