EP1408177A1 - Dispositif de démasticage - Google Patents
Dispositif de démasticage Download PDFInfo
- Publication number
- EP1408177A1 EP1408177A1 EP03362019A EP03362019A EP1408177A1 EP 1408177 A1 EP1408177 A1 EP 1408177A1 EP 03362019 A EP03362019 A EP 03362019A EP 03362019 A EP03362019 A EP 03362019A EP 1408177 A1 EP1408177 A1 EP 1408177A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dispensing device
- tool
- head
- container
- vibratory
- 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.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 239000003365 glass fiber Substances 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 10
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 8
- 229920002530 polyetherether ketone Polymers 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920001601 polyetherimide Polymers 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- -1 polyoxymethylenes Polymers 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000011440 grout Substances 0.000 claims 1
- 239000013521 mastic Substances 0.000 abstract description 14
- 239000000945 filler Substances 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 240000005428 Pistacia lentiscus Species 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 239000000565 sealant Substances 0.000 description 6
- 230000008439 repair process Effects 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/0084—Implements for removing filling material from joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/28—Implements for finishing work on buildings for glazing
- E04F21/32—Putty knives; Putty removers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49719—Seal or element thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49721—Repairing with disassembling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49721—Repairing with disassembling
- Y10T29/49723—Repairing with disassembling including reconditioning of part
- Y10T29/49725—Repairing with disassembling including reconditioning of part by shaping
- Y10T29/49726—Removing material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
- Y10T29/49734—Repairing by attaching repair preform, e.g., remaking, restoring, or patching and removing damaged material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49815—Disassembling
- Y10T29/49821—Disassembling by altering or destroying work part or connector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49815—Disassembling
- Y10T29/49822—Disassembling by applying force
Definitions
- the present invention relates to a demixing device, in particular for the repair of joints in aircraft tank structures.
- the invention also covers the intervention container.
- Reservoirs in particular in aircraft, are directly constituted by free volumes in the wings.
- the wings are made from a structure composed of ribs, of stiffeners, with passages of the different organs but most of the structure is empty. Plates are then reported on this structure in kind of realize a closed volume, with the adapted forms and presenting the mechanical characteristics necessary for the flight.
- the volume is thus mechanically closed but it is not waterproof since the plates are screwed or riveted and if physical continuity is ensured, the joints between the plates are not hermetic.
- This seal is obtained by depositing cords of mastic on all joints and mastic stubs on all through-passages, including fastening means.
- This putty is deposited by means of a pistol in more or less viscous form then polymerized in situ at room temperature with a suitable hygrometry.
- thermoreactor marketed especially under the name "SUNAERO" so as to emit infrared radiation located in the absorption zone of the types of putty retained. The polymerization is thus accelerated.
- This sealant deposit is necessarily made once the wing is complete. However, given the number of reinforcing elements, cross stiffeners and others equipment, and taking into account the dimensions of the wings, in particular in thickness, there is little room for an operator to move and even less to work.
- mastics used are adapted to resist fuel and are very sophisticated because they resist significant differences in temperature, have certain qualities of hardness while allowing flexibility sufficient to prevent breakage during movements and vibrations experienced by the different rooms.
- the adhesion power is in any case very important to remove any risk of detachment. Very rigorous procedures must be put in place work knowing that the mastic adheres not on the metal but on the layers of covering and protection paint whose different parts are coated.
- the mastic is composition even with a power of adhesion very high, power that gets stronger as time goes by.
- the mastic hardness increases with aging.
- the solution is currently a mechanical scraping process using polycarbonate spatulas for example, which are sharpened and manipulated by operators in order to better scrape the areas concerned. This operation is therefore manual. Electrical appliances or likely to generate sparks are prohibited since even after ventilation, the atmosphere can stay punctually explosive.
- Ultrasound like water jets require too large equipment and it is necessary to be able to realize systems of simultaneous recovery of the waste for it necessarily produces projections.
- water penetration in the interpositions of structure can generate points of corrosion difficult to detect.
- the area must be thoroughly cleaned to follow the procedure of remixing and obtain a good seal after removal of the new cord or putty block to polymerize.
- the duration of this phase represents substantially half of the time required for the complete intervention.
- the present invention overcomes the above disadvantages and the adapted container authorizes rapid interventions anywhere, with quality of intervention compatible with the needs and standards of aeronautics.
- FIG. 1 shows an aircraft wing portion 10 with a zone complex comprising a joint with three plates 12-1, 12-2 and 12-3 forming a angle, the three cords 14-1, 14-2 and 14-3 of Putty 14 meeting at intersection.
- This schematic representation also shows a series of means 16 of fixing plates, in this case aeronautical screws 18.
- the solution consists of a putty deposit 14, in the form of a stud 14-4 covering the assembly of the screw 22 and its nut 24. Note that this stud extends beyond the nut to adhere to the surface of the plate.
- the present invention relates to a device comprising means 26 for placing vibratory reciprocating motion and a tool 28 integral with these means.
- the means 26 for vibratory reciprocating movement comprise a body Including a motor 32 and a mandrel 34 adapted to receive said tool 28.
- the motor is of the pneumatic type and the connection is a fast connection of the type marketed under the name "STAUBLI".
- the vibratory frequency is around 120 Hz to give a order of idea.
- the tool 28 comprises in this embodiment a rod 36 and a head 38.
- the rod is intended to be mounted in the chuck 34 while the head 38 is the body in contact with the putty and the surface of the wing, intended to walk to the interface.
- This head must be made of a material whose hardness is sufficient to cut mastic chips and to resist wear but not too much to not cause scratches under the effects of the vibratory alternating movement.
- polyetheretherketones known as PEEK (polyetheretherketone), polyoxymethylenes, polyetherimides or epoxy resins.
- the shape of the area should also be analyzed work of the head.
- the simplest and most used form is the bevel shape, especially with a reciprocating vibratory motion in the working axis.
- Cutting angles of this bevel are analyzed 30 °, 45 ° and 60 °, symmetrical and asymmetric
- the angle of 30 ° in symmetrical or asymmetrical gives satisfaction by generating very little dust, producing good quality chips, without generating rebounds harmful to operators under vibratory movements alternative.
- FIG. 3C shows a so-called special head as it can be realized, especially for certain angles even more difficult to access.
- the shapes are then guided by the applications.
- a pressure control valve is provided pneumatic when it comes to this type of power source in order to get the adequate pressure at the end of the tool.
- the invention also provides an intervention container 40, adapted to provide the overall demixing service.
- Such a container 40 comprises at least one device according to the present invention with a reserve 42 of tools considered consumable, flexible adapted in particular a hose 44 for connection to an air source 46 local tablet when not supplied, a housing 48 regulating the delivered air pressure, a suction system 50 venturi connected on the same source of compressed air supply.
- This container may also include individual protections such as glasses, gloves, masks and hearing protection.
- the life of a tool is estimated at about half an hour.
- the operator actuates the control lever by applying with a moderate effort the head against the block or bead of mastic to be removed, thus generating shavings.
- the working time is much shorter because the frequency of vibration allows the operator to generate chips as with a chisel to wood.
- the head comes into contact with the primary and removes the sealant without degrading this because of the nature of the material, the angle of the head, the frequency and the power of vibrations.
- This step consists in a simplified way to ensure cleaning of the area concerned with a solvent to have a perfectly clean surface.
- the bead or mastic pads are made with a dispensing gun. This removal is followed by an accelerated polymerization of this mastic by means of a heating with infrared radiation.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
- Processing Of Terminals (AREA)
- Aerials With Secondary Devices (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Abstract
Description
- figure 1, une vue d'une portion d'aile d'aéronef avec des joints et des moyens de fixation recouverts de mastic,
- figure 2A, une vue de détail d'une vis aéronautique, en perspective,
- figure 2B, une vue en coupe de la vis de la figure 2A,
- figure 3A, une vue du dispositif selon l'invention,
- figure 3B, une vue agrandie d'un embout,
- figure 3C, une vue de détail d'une variante d'embout, et
- figure 4, une vue d'un container d'intervention.
Claims (10)
- Dispositif de démasticage, notamment pour la réfection de joints dans des structures de réservoirs d'aéronefs, caractérisé en ce qu'il comprend des moyens (26) de mise en mouvement alternatif vibratoire et un outil (28) solidaire de ces moyens.
- Dispositif de démasticage selon la revendication 1, caractérisé en ce que les moyens (26) de mise en mouvement alternatif vibratoire comprennent un corps (30) incluant un moteur (32) et un mandrin (34) apte à recevoir ledit outil (28).
- Dispositif de démasticage selon la revendication 1 ou 2, caractérisé en ce que le moteur est du type pneumatique avec une fréquence vibratoire de 120 Hz.
- Dispositif de démasticage selon la revendication 2 ou 3, caractérisé en ce que l'outil (28) comprend une tige (36) prévue pour être montée dans le mandrin (34) et une tête (38) prévue pour être en contact avec la surface à démastiquer.
- Dispositif de démasticage selon l'une quelconque des revendications précédentes, caractérisé en ce que la tête est réalisée dans un matériau choisi parmi les polyétheréthercétones, les polyoxyméthylènes, les polyétherimides ou les résines époxy.
- Dispositif de démasticage selon la revendication 5, caractérisé en ce que le matériau est une polyétheréthercétone chargée en carbone ou en fibres de verre.
- Dispositif de démasticage selon la revendication 6, caractérisé en ce que le matériau est une polyétheréthercétone chargée de 30% de fibres de verre.
- Dispositif de démasticage selon l'une quelconque des revendications 4 à 7, caractérisé en ce que la tête est en forme de biseau et présente un angle de 30°, 45° ou 60° de préférence 30°.
- Container (40) comprenant au moins un dispositif selon l'une quelconque des revendications précédentes avec une réserve (42) d'outils, des flexibles adaptés notamment un flexible (44) de raccordement sur une source (46) d'air comprimé, un boítier (48) de régulation de la pression d'air délivrée.
- Container (40) selon la revendication 9, caractérisé en ce qu'il comprend un système (50) d'aspiration à venturi connecté sur la même source d'alimentation en air comprimé.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0212545A FR2845630B1 (fr) | 2002-10-09 | 2002-10-09 | Dispositif de demasticage, notamment pour la refection de joints dans des structures de reservoirs d'aeronefs et container d'intervention |
| FR0212545 | 2002-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1408177A1 true EP1408177A1 (fr) | 2004-04-14 |
| EP1408177B1 EP1408177B1 (fr) | 2008-07-09 |
Family
ID=32011527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03362019A Expired - Lifetime EP1408177B1 (fr) | 2002-10-09 | 2003-10-09 | Dispositif de démasticage |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20040098819A1 (fr) |
| EP (1) | EP1408177B1 (fr) |
| AT (1) | ATE400713T1 (fr) |
| DE (1) | DE60322006D1 (fr) |
| ES (1) | ES2309289T3 (fr) |
| FR (1) | FR2845630B1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006052508A1 (de) * | 2006-11-06 | 2008-05-08 | Airbus Deutschland Gmbh | Vorrichtung zum Entfernen von Dichtungsmaterial sowie Verfahren |
| WO2010081196A1 (fr) * | 2009-01-16 | 2010-07-22 | Neil Mccoubrey | Ensemble d'entretien et de réparation sur place transportable multifonction |
| US8394922B2 (en) * | 2009-08-03 | 2013-03-12 | Medarex, Inc. | Antiproliferative compounds, conjugates thereof, methods therefor, and uses thereof |
| US10800150B2 (en) * | 2017-06-02 | 2020-10-13 | Ryan Westover | Method and apparatus to remove a protective layer |
| USD966854S1 (en) * | 2018-06-04 | 2022-10-18 | Ryan Westover | Protective layer removal apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864727A (en) * | 1988-05-16 | 1989-09-12 | George Chu | Pneumatic tool holder |
| GB2261901A (en) * | 1991-08-05 | 1993-06-02 | Michael John Radley Young | Method and apparatus for removing grout and mortar |
| DE19949071A1 (de) * | 1999-10-12 | 2001-04-19 | Perry D Topiarz | Verfahren zur Entfernung von Fugenmasse aus Fugen sowie Vorrichtung zur Durchführung des Verfahrens |
| DE10162102A1 (de) * | 2001-12-18 | 2003-07-03 | Topiarz Perry D | Vorrichtung zur Entfernung von Fugenmasse |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2195344A (en) * | 1937-08-27 | 1940-03-26 | George E Slaugenhop | Tank cleaner |
| DE892430C (de) * | 1949-03-17 | 1953-10-08 | Chicago Pneumatic Tool Co | Pneumatischer Hammer mit Blasvorrichtung |
| US3147548A (en) * | 1962-05-17 | 1964-09-08 | Reginald J Aspeek | Power scraper tool |
| US3848289A (en) * | 1973-04-16 | 1974-11-19 | Chemetron Corp | Scraper blade |
| US4137588A (en) * | 1975-10-06 | 1979-02-06 | Sandt Clayton C | Portable cleaning device |
| US4466851A (en) * | 1979-08-13 | 1984-08-21 | Linear Pneumatics Inc. | Method and apparatus for scraping adherent material from a smooth work surface |
| US4858264A (en) * | 1986-09-02 | 1989-08-22 | The United States Of America As Represented By The Secretary Of The Air Force | Ultrasonic assisted protective coating removal |
| US4967437A (en) * | 1988-05-27 | 1990-11-06 | Engineering Plastics, Inc. | Heated wiper blade assembly |
| US5287582A (en) * | 1990-09-08 | 1994-02-22 | Oppama Kogyo Kabushiki Kaisha | Adhering substance peeling apparatus |
| GB9020462D0 (en) * | 1990-09-19 | 1990-10-31 | Filters For Industry Ltd | Abrasive segments |
| JPH05321189A (ja) | 1992-05-20 | 1993-12-07 | Dr Seisakusho:Kk | ドクターブレード |
| US5353465A (en) * | 1992-09-30 | 1994-10-11 | Webster Pierce | Scraper apparatus |
| DE19624446C1 (de) * | 1996-06-19 | 1998-03-26 | Ferton Holding | Chirurgisches Instrument zum mechanischen Entfernen von Knochenzement, sowie Verfahren zum Erzeugen von Stoßwellen |
| US5924204A (en) * | 1998-01-27 | 1999-07-20 | Lane; Charles | Scraper tool and blade and method of use |
-
2002
- 2002-10-09 FR FR0212545A patent/FR2845630B1/fr not_active Expired - Fee Related
-
2003
- 2003-10-09 DE DE60322006T patent/DE60322006D1/de not_active Expired - Lifetime
- 2003-10-09 ES ES03362019T patent/ES2309289T3/es not_active Expired - Lifetime
- 2003-10-09 US US10/681,101 patent/US20040098819A1/en not_active Abandoned
- 2003-10-09 AT AT03362019T patent/ATE400713T1/de not_active IP Right Cessation
- 2003-10-09 EP EP03362019A patent/EP1408177B1/fr not_active Expired - Lifetime
-
2009
- 2009-05-11 US US12/463,516 patent/US7793398B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864727A (en) * | 1988-05-16 | 1989-09-12 | George Chu | Pneumatic tool holder |
| GB2261901A (en) * | 1991-08-05 | 1993-06-02 | Michael John Radley Young | Method and apparatus for removing grout and mortar |
| DE19949071A1 (de) * | 1999-10-12 | 2001-04-19 | Perry D Topiarz | Verfahren zur Entfernung von Fugenmasse aus Fugen sowie Vorrichtung zur Durchführung des Verfahrens |
| DE10162102A1 (de) * | 2001-12-18 | 2003-07-03 | Topiarz Perry D | Vorrichtung zur Entfernung von Fugenmasse |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2845630B1 (fr) | 2005-09-30 |
| US20040098819A1 (en) | 2004-05-27 |
| EP1408177B1 (fr) | 2008-07-09 |
| ES2309289T3 (es) | 2008-12-16 |
| US7793398B2 (en) | 2010-09-14 |
| DE60322006D1 (de) | 2008-08-21 |
| FR2845630A1 (fr) | 2004-04-16 |
| US20090217501A1 (en) | 2009-09-03 |
| ATE400713T1 (de) | 2008-07-15 |
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