EP1535700A1 - Article abrasif composite - Google Patents

Article abrasif composite Download PDF

Info

Publication number
EP1535700A1
EP1535700A1 EP03027086A EP03027086A EP1535700A1 EP 1535700 A1 EP1535700 A1 EP 1535700A1 EP 03027086 A EP03027086 A EP 03027086A EP 03027086 A EP03027086 A EP 03027086A EP 1535700 A1 EP1535700 A1 EP 1535700A1
Authority
EP
European Patent Office
Prior art keywords
abrasive
meth
adhesive
acrylate
component
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.)
Withdrawn
Application number
EP03027086A
Other languages
German (de)
English (en)
Inventor
Martin Linnenbrink
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.)
Sika Automotive Hamburg GmbH
Original Assignee
Sika Tivoli GmbH
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 Sika Tivoli GmbH filed Critical Sika Tivoli GmbH
Priority to EP03027086A priority Critical patent/EP1535700A1/fr
Priority to PCT/EP2004/053097 priority patent/WO2005051599A1/fr
Priority to EP04804572A priority patent/EP1689560A1/fr
Publication of EP1535700A1 publication Critical patent/EP1535700A1/fr
Priority to US11/896,573 priority patent/US20080200106A1/en
Priority to US12/923,873 priority patent/US20110023376A1/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/06—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing

Definitions

  • the invention relates to the production of abrasive composite bodies.
  • Abrasives have long been used to process materials.
  • abrasives consist of abrasive particle-like particles which are fixed on a carrier material by means of a binder.
  • DE 198 53 550 C1 describes a flap disc in which there is present in a base bond layer applied to a base, in which a scattering layer of abrasive grains is applied.
  • US 5,722,881 describes the use of epoxies for bonding abrasive flaps to a grinding wheel.
  • a disadvantage of epoxies is that they either have very long curing times or have to be cured by heat. This requires that for efficient mass production long service lives and / or high energy costs for curing are required, which entails an increase in the cost of the production process.
  • Two-component polyurethane or (meth) acrylate adhesive have an extremely fast curing and in particular allow rapid bonding already at room temperature. As a result, fast processing times and one energy-saving industrial mass production of these abrasive composite bodies allows.
  • the present invention relates to an abrasive composite comprising at least one abrasive backing, at least one abrasive, and at least one cured two-part polyurethane or (meth) acrylate adhesive that bonds abrasive backing and abrasive. Furthermore, abrasive particles are present on the surface of the abrasive.
  • (meth) acrylate is meant throughout the present document both the esters of acrylic acid and of methacrylic acid.
  • the present invention comprises the use of a two-component (meth) acrylate adhesive in which the first Component contains at least one (meth) acrylate monomer and the second Component contains at least one radical starter, in the preparation of a Abrasive composite for bonding abrasive carrier and abrasive.
  • the present invention comprises the use of a two-component polyurethane adhesive in which the first component at least one polyamine or a polyol and the second component contains at least one polyisocyanate, in the preparation of a Abrasive composite for bonding abrasive carrier and abrasive.
  • the present invention comprises a method for Production of an abrasive composite body, which includes the following steps includes: mixing the two components of a two-component Polyurethane or (meth) acrylate adhesive, application of the mixed Adhesive to the abrasive backing, contacting the mixed Adhesive with the at least one abrasive and curing the Adhesive.
  • FIG. 1 schematically shows an abrasive composite body comprising an abrasive carrier 1 bonded to an abrasive 2 by a two-component (meth) acrylate or polyurethane adhesive.
  • the abrasive material can be adhesively bonded to the surface (FIG. 1 a) or to the end face or the end face (FIG. 1 b).
  • abrasive particles 3 are present on the surface of the abrasive 2 .
  • the abrasive particles 3 are made of materials known to those skilled in the art.
  • these are natural or synthetic materials such as emery, garnet, flint, quartz, corundum, potassium fluoroborate, cryolite, chiolite, diamond, silicon carbide, cubic boron nitride (CBN) or the like. It is further known that these particles may be present in various types of grains and grain shapes. Depending on the grinding problem, the person skilled in the art selects the suitable material or materials in the respectively adapted grain size or grain mixtures in the respectively optimum grain shape.
  • the abrasive may have these particles on the entire surface or only in certain areas. Preferably, however, the abrasive particles 3 are present only on one side of the abrasive 2.
  • abrasives 2 is a lamellar abrasive element.
  • the abrasive, or the lamellar abrasive element can be constructed very differently.
  • it can consist of a rigid material and abrasive particles 3, for example producible by casting or sintering processes of metal or duromers or reactive resins, optionally with scattering or rolling in of the abrasive particles.
  • they can be composed of at least one fabric or paper 101, at least one binder 102 and the abrasive particles 3, as shown schematically in FIG. 1 c.
  • Also considered to be fabrics are scrims or knits.
  • the fibers used for this purpose are carbon, glass, nylon aramid, cotton or polyester fibers and mixtures thereof.
  • Suitable binders 102 for embedding the abrasive particles are various polymeric synthetic resins, in particular reaction products based on polyepoxides, poly (meth) acrylates or polyurethanes.
  • binders based on phenol-formaldehyde resins or polyimides are very suitable.
  • Also suitable as a binder for this purpose are the two-component (meth) acrylate or polyurethane adhesives 4 or their underlying unfilled reactive components.
  • the binder 102 can penetrate between the fibers and consequently the fabric, scrim or knit not only on one side, as shown in Figure 1 c, but also completely surrounded by the binder can.
  • the abrasive particles can not only be surrounded by binder 102 but also by the fabric, scrim or knitted fabric 101, or their fibers.
  • the abrasive particles are particularly preferably embedded in the binder, ie the particles 3 are partially surrounded by the binder 102 and part of the surface of the particle is free.
  • the abrasive carrier 1 has a carrier function for the abrasive 2.
  • the abrasive carrier is connected to a machine, in particular connected by pressing forces, so that the abrasive passes under rotational or thrusting movements with the material to be ground in contact while doing Abtragsaille.
  • the abrasive carrier is made of either a rigid material such as metal or thermosetting plastics or an elastic material. Elastic materials have the advantage that they can easily adapt to the contours of the workpiece to be ground, and are therefore particularly suitable for fine grinding work or workpieces with complex surface geometry.
  • a disadvantage of the elastic abrasive carriers is the lower mechanical strength and reduced life of the abrasive carrier.
  • the abrasive carrier 1 is preferably a circular disk, a wheel or a belt.
  • the abrasive 2 is preferably bonded to the abrasive carrier 1 on the surface of the largest surface of the disc or the wheel or the band, in particular in the radial direction of the disc or the wheel.
  • a further advantageous possibility is that the abrasive 2 on the peripheral surface of the wheel or the circular disc with the abrasive carrier 1, in particular in radial alignment, is glued.
  • the adhesive used for bonding abrasive carrier 1 and Abrasive 2 is used is a two-component polyurethane or (Meth) acrylate adhesive.
  • the adhesive 4 already reacts at room temperature very fast. However, it is not excluded that the adhesive is also at higher temperatures is cured.
  • the adhesive is especially useful a temperature between 10 ° C and 180 ° C, in particular between 20 ° C and 80 ° C, preferably between 20 ° C and 40 ° C, most preferably at Room temperature, cured.
  • the two-component (Meth) acrylate adhesive it is, however, to discourage for safety reasons, in the Application and to apply higher temperatures during curing.
  • the adhesive is a two-component (meth) acrylate adhesive 4
  • the first component comprises at least one (meth) acrylate monomer. Both mono-, di-, tri-, tetra- and penta- (meth) acrylate-functional monomers are suitable.
  • (meth) acrylate monomers are methyl methacrylate, isobornyl (meth) acrylate, cyclohexyl (meth) acrylate, t-butyl (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, dicyclopentadienyl (meth) acrylate, dicyclopentadienyloxyethyl (meth) acrylate, ethylene glycol di ( meth) acrylate, di-, tri-, tetraethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate di-, tri-, tetrapropylene glycol di (meth) acrylate, butanediol di (meth) acrylate, hexanediol di (meth) acrylate, epoxy (meth) acrylates in particular preparable from (meth) acrylic acid and bisphenol A diglycidyl
  • the (meth) acrylate monomers have a glass transition temperature greater than 55 ° C. It may be advantageous under some circumstances to select methyl methacrylate as the (meth) acrylate monomer. For example, this may be the case if the intense odor of this monomer does not interfere. However, preference is not or only weak-smelling monomers.
  • the first component of the two-component (meth) acrylate adhesive preferably comprises at least one monomer selected from the group comprising isobornyl (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, diethylene glycol di (meth) acrylate, epoxy (meth) acrylates, in particular preparable from (Meth ) acrylic acid and bisphenol A diglycidyl ether, bisphenol A diglycidyl ether oligomers, bisphenol A or ethoxylated bisphenol A, trimethyloltri (meth) acrylate, and mixtures thereof. Especially preferred are methacrylates.
  • the second component of the two-component (meth) acrylate adhesive includes at least one radical starter.
  • radical starters are all those known to one skilled in the art of (meth) acrylate adhesives Radical initiator. Both thermal and photochemical radical starters possible.
  • Preferred free-radical initiators are peroxides, in particular organic ones Peroxides, preferably benzoyl peroxide.
  • Two-component (meth) acrylate adhesives from the SikaFast® series (commercially available from Sika für AG, Zurich), or as known from WO 02/070620, have proven particularly suitable for this purpose.
  • a two-component (meth) acrylate adhesive instead of a two-component (meth) acrylate adhesive, to use a one-component (meth) acrylate adhesive which is cured photochemically. This is achieved by irradiation with a light source, in particular with a high-pressure mercury lamp or with a laser.
  • a disadvantage of this solution is the need for such a light source and possibly the problem that is to be expected in certain embodiments according to the present invention with a shadow in the area of the adhesive.
  • the first component of the adhesive comprises at least one polyol or a polyamine and the second component comprises at least one polyisocyanate.
  • a polyamine is a molecule having two or more amine functional groups, especially primary amine groups.
  • polyamines examples include aliphatic polyamines such as ethylenediamine, 1,2- and 1,3-propanediamine, 2-methyl-1,2-propanediamine, 2,2-dimethyl-1,3-propanediamine, 1,3- and 1, 4-butanediamine, 1,3- and 1,5-pentanediamine, 1,6-hexanediamine, 2,2,4- and 2,4,4-trimethylhexamethylenediamine and mixtures thereof, 1,7-heptanediamine, 1,8-octanediamine , 4-aminomethyl-1,8-octanediamine, 1,9-nonanediamine, 1,10-decanediamine, 1,11-undecanediamine, 1,12-dodecanediamine, methyl bis (3-aminopropyl) amine, 1,5- Diamino-2-methylpentane (MPMD), 1,3-diaminopentane (DAMP), 2,5-dimethyl-1,6-hexamethylenediamine, cycloaliphatic polyamine
  • a polyisocyanate is a molecule having two or more isocyanate groups.
  • HDI 1,6-hexamethylene diisocyanate
  • TDI 2,4- and 2,6-toluene diisocyanate
  • MDI 4,4'-diphenylmethane diisocyan
  • the early strength, at least until a sufficiently high early strength that allows the abrasive composite to be transported, of a two-component polyurethane or (meth) acrylate adhesive is preferably less than 30 minutes at room temperature, more preferably less than 10 minutes, from the time of mixing the two components. In special cases even an early strength of less than 5 minutes may be desired.
  • two-component polyurethane or (meth) acrylate adhesives have pot lives at room temperature of preferably less than 20 minutes, in particular less than 10 minutes. In special cases, a pot life of less than 5 minutes is advantageous. It has proven particularly advantageous if the two-component (meth) acrylate or polyurethane adhesive has a thixotropic behavior.
  • Such thixotropy can be achieved via chemical or physical thixotropy.
  • the adhesive is of pasty consistency.
  • the thixotropic or pasty consistency is particularly advantageous because they accomplish that an abrasive which is inserted into the adhesive is held in this position at least until the adhesive is sufficiently crosslinked to allow this through the strength structure.
  • the thixotropy is particularly preferred since, due to the thixotropic behavior, the abrasives can be easily inserted into the adhesive and then kept in position anyway, without them tipping uncontrollably by their own weight.
  • a two-component (meth) acrylate or Polyurethane adhesive as needed other ingredients such as fillers, Desiccants, catalysts, thixotropic agents, additives such as adhesion promoters, Light stabilizers, defoamers, leveling agents, impact modifiers contain.
  • fillers Desiccants, catalysts, thixotropic agents, additives such as adhesion promoters, Light stabilizers, defoamers, leveling agents, impact modifiers.
  • additives such as adhesion promoters, Light stabilizers, defoamers, leveling agents, impact modifiers
  • FIG. 2 describes a flapper disk 9 which has a flap wheel 9 represents preferred embodiment of an abrasive composite body.
  • the abrasives are 2 lamellar grinding elements that partially overlap and fan-like arranged on an abrasive carrier 1 and by means of a two-component (meth) acrylate or polyurethane adhesive is glued to the abrasive carrier 1.
  • This structure can also be called Denote roof tile-like arrangement of the abrasive slats.
  • the Abrasive carrier 1 in this case has a shape of a circular disc.
  • the Disc preferably has a through hole 5 in the center, through which a rotary spindle 7 can get.
  • the abrasive carrier 1 preferably a reinforcing ring 6.
  • Figure 3 describes a partial cross section along the line AA through the peripheral region of the flap disc 9 and shows the Roof-like partially overlapping abrasive 2, with the abrasive particles 3 on the surface.
  • the abrasives are with a polyurethane or (Meth) acrylate adhesive 4 connected to the abrasive carrier 1.
  • FIG. 4 describes a view of a grinding machine 8 with a via a rotary spindle 7, which through the through hole. 5 connected flap wheel 9.
  • the flap disc has me the abrasive carrier 1 of disc-like shape, radially bonded Abrasive 2.
  • FIG. 5 describes a lamellar grinding wheel 12, which has a further lamella grinding wheel 12 represents preferred embodiment of an abrasive composite body.
  • the abrasives are 2 lamellar grinding elements that partially overlap are arranged on an abrasive carrier 1 and by means of a two-component (meth) acrylate or polyurethane adhesive 4 with the Abrasive carrier 1 are glued.
  • the abrasives 2 are hereby the circumferential surface of the Lamellenschleifrades.
  • the lamellar grinding wheel has in Achstician preferably a through hole and optionally one Nut 10 with a thread 11 on the inside of the nut. Farther the lamellar grinding wheel preferably has a reinforcing ring 6.
  • Figure 6 describes a partial cross section along the line BB through the peripheral region of a Lamellenschleifrades 12 and shows the Roof-like partially overlapping abrasive 2, with the abrasive particles 3 on the surface.
  • the abrasives are with a polyurethane or (Meth) acrylate adhesive 4 connected to the abrasive carrier 1.
  • FIG. 7 describes a schematic view of a Grinder 13 with a lamella grinding wheel 12th
  • an abrasive composite body shows an arrangement in which the abrasive carrier 1 is a wheel and the Abrasive 2, in particular of lamellar shape, radially on the Radletons III vertically projecting from the peripheral surface with a two-component polyurethane or (meth) acrylate adhesive 4 are bonded.
  • an abrasive composite body represents an abrasive belt.
  • the sanding belt can be a bow or an endless belt be.
  • the present invention also includes a method for producing an abrasive composite body.
  • This method comprises at least the steps described below.
  • the two components of a two-component polyurethane or (meth) acrylate adhesive 4 are mixed together. This is done with conventional mixing equipment, in particular by means of a static mixer.
  • the mixed adhesive is applied to the abrasive carrier, preferably in the form of a bead of adhesive. This occurs where the abrasives are to be bonded to the abrasive carrier, especially in the peripheral areas of a disk or wheel.
  • the mixed adhesive is contacted with at least one abrasive before expiry of the pot life of the adhesive.
  • This contacting is preferably carried out such that the abrasive, which is preferably a lamellar abrasive element, is inserted into the mixed and applied to the abrasive carrier 1 uncured adhesive substantially vertical to the abrasive carrier surface, so that a part of the surface is coated with adhesive.
  • the abrasive which is preferably a lamellar abrasive element
  • the curing of the adhesive takes place.
  • abrasives inserted side by side in the uncured adhesive are controllably brought into an inclined orientation from the substantially vertical orientation.
  • a fan-like or roof-tile-like partial overlap of the abrasives 2 is achieved, as indicated schematically in FIG. 8 b.
  • This is achieved in particular by a tangential force which preferably acts on the abrasive material on the side opposite the adhesive, as is indicated schematically in FIG. 8a. It is advantageous if the dislike of the abrasive does not occur until all the abrasive has been contacted with the adhesive.
  • this tilting of the laminar sanding elements is preferably achieved by a combined rotational-pressure movement of a body in contact with the free edges of the upstanding laminar sanding elements.
  • the surface of the abrasive carrier 1 and / or the abrasive 2 are subjected to a chemical or physical pre-treatment prior to bonding.
  • Such pretreatment includes, for example, grinding, brushing, sand blasting, treatment with detergents, primer solutions or primers. This can lead, for example, to increased adhesion and thus to higher safety and / or load capacity of the abrasive composite.
  • the steps of mixing, application, contacting and curing typically occur at a temperature between 10 ° C and 180 ° C, usually between 20 ° C and 80 ° C, especially between 20 ° C and 40 ° C. This is preferably done at room temperature. This described method is to be used in particular when the adhesive 4 used shows a thixotropic behavior and / or has a pasty consistency.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP03027086A 2003-11-25 2003-11-25 Article abrasif composite Withdrawn EP1535700A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP03027086A EP1535700A1 (fr) 2003-11-25 2003-11-25 Article abrasif composite
PCT/EP2004/053097 WO2005051599A1 (fr) 2003-11-25 2004-11-25 Corps composites a abrasifs
EP04804572A EP1689560A1 (fr) 2003-11-25 2004-11-25 Corps composites a abrasifs
US11/896,573 US20080200106A1 (en) 2003-11-25 2007-09-04 Composite abrasive bodies
US12/923,873 US20110023376A1 (en) 2003-11-25 2010-10-13 Composite abrasive bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03027086A EP1535700A1 (fr) 2003-11-25 2003-11-25 Article abrasif composite

Publications (1)

Publication Number Publication Date
EP1535700A1 true EP1535700A1 (fr) 2005-06-01

Family

ID=34442871

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03027086A Withdrawn EP1535700A1 (fr) 2003-11-25 2003-11-25 Article abrasif composite
EP04804572A Withdrawn EP1689560A1 (fr) 2003-11-25 2004-11-25 Corps composites a abrasifs

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04804572A Withdrawn EP1689560A1 (fr) 2003-11-25 2004-11-25 Corps composites a abrasifs

Country Status (3)

Country Link
US (2) US20080200106A1 (fr)
EP (2) EP1535700A1 (fr)
WO (1) WO2005051599A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014073472A1 (fr) * 2012-11-09 2014-05-15 日本電気硝子株式会社 Dispositif de formation de fentes initiales, et procédé de formation
WO2016067345A1 (fr) * 2014-10-27 2016-05-06 大明化学工業株式会社 Brosse de polissage
US9707529B2 (en) 2014-12-23 2017-07-18 Saint-Gobain Ceramics & Plastics, Inc. Composite shaped abrasive particles and method of forming same
US9914864B2 (en) 2014-12-23 2018-03-13 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particles and method of forming same
EP3237147B1 (fr) * 2014-12-23 2020-02-19 Saint-Gobain Ceramics&Plastics, Inc. Particules abrasives façonnées et procédé de formation de celles-ci
CN110050041B (zh) * 2016-12-07 2022-10-28 3M创新有限公司 柔性磨料制品

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699727A (en) * 1971-04-30 1972-10-24 Minnesota Mining & Mfg Abrasive article and method of fabrication
US5170593A (en) * 1991-03-18 1992-12-15 Jason, Inc. Method of making a perforated strip abrasive tool
DE10022106C1 (de) * 2000-05-08 2001-07-26 Helmut Weis Gmbh Verfahren und Vorrichtung zur Herstellung eines Bearbeitungskopfes mit Schleif- und/oder Polierelementen und nach dem Verfahren hergestellter Bearbeitungskopf
US20010052391A1 (en) * 1995-11-16 2001-12-20 3M Innovative Properties Company Surface treating articles and method of making same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925034A (en) * 1973-05-14 1975-12-09 Res Abrasive Products Inc Resin bonded grinding wheel containing gas-filled thermoplastic resin beads and method of making it
US4331453A (en) * 1979-11-01 1982-05-25 Minnesota Mining And Manufacturing Company Abrasive article
US4751138A (en) * 1986-08-11 1988-06-14 Minnesota Mining And Manufacturing Company Coated abrasive having radiation curable binder
US5082667A (en) * 1988-06-07 1992-01-21 Abbott Laboratories Solid pharmaceutical dosage in tablet triturate form and method of producing same
US5178646A (en) * 1992-01-22 1993-01-12 Minnesota Mining And Manufacturing Company Coatable thermally curable binder presursor solutions modified with a reactive diluent, abrasive articles incorporating same, and methods of making said abrasive articles
ATE216577T1 (de) * 1992-01-29 2002-05-15 Takeda Chemical Industries Ltd Schnellösliche tablette und ihre herstellung
GB2282144B (en) * 1993-08-11 1997-10-15 Minnesota Mining & Mfg Element comprising abrasive particles embedded in hot-melt adhesive on a substrate
DE4416113A1 (de) * 1994-05-06 1995-11-09 Bayer Ag Wasserdispergierbare Polyisocyanat-Zubereitungen
US5722881A (en) * 1996-08-30 1998-03-03 Merit Abrasive Products, Inc. Flap wheel
US6024981A (en) * 1997-04-16 2000-02-15 Cima Labs Inc. Rapidly dissolving robust dosage form
DE19853550C1 (de) * 1998-11-20 2000-03-09 Ver Schmirgel & Maschf Fächerschleifscheibe
EP1266724A1 (fr) * 2001-06-12 2002-12-18 sia Abrasives Industries AG Disque abrasif de meulage, produit intermédiaire et procédé de fabrication d'un tel disque abrasif

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699727A (en) * 1971-04-30 1972-10-24 Minnesota Mining & Mfg Abrasive article and method of fabrication
US5170593A (en) * 1991-03-18 1992-12-15 Jason, Inc. Method of making a perforated strip abrasive tool
US20010052391A1 (en) * 1995-11-16 2001-12-20 3M Innovative Properties Company Surface treating articles and method of making same
DE10022106C1 (de) * 2000-05-08 2001-07-26 Helmut Weis Gmbh Verfahren und Vorrichtung zur Herstellung eines Bearbeitungskopfes mit Schleif- und/oder Polierelementen und nach dem Verfahren hergestellter Bearbeitungskopf

Also Published As

Publication number Publication date
US20080200106A1 (en) 2008-08-21
US20110023376A1 (en) 2011-02-03
WO2005051599A1 (fr) 2005-06-09
EP1689560A1 (fr) 2006-08-16

Similar Documents

Publication Publication Date Title
DE60005793T2 (de) Verfahren zur herstellung eines schleifgegenstandes und damit hergestellte schleifgegenstände
DE69212319T2 (de) Schleifmittelzusammensetzungen und diese enthaltende gegenstände
US9193895B2 (en) Adhesive for rotor blades for wind power plants
DE69530780T2 (de) Beschichteter schleifgegenstand und verfahren zu seiner herstellung
EP1565529B1 (fr) Emulsions durcissables et articles abrasifs realises a partir desdites emulsions
DE4026336A1 (de) Drehbearbeitungswerkzeug
US4150955A (en) Deformable non-cellular polyurethane polishing wheel
JP2008308687A (ja) ハニカムサンドイッチパネル及びその製造における二成分ポリウレタン接着剤の使用
DE102013004947A1 (de) Verfahren zur Herstellung von chemisch-mechanischen Polierschichten
EP1329469A1 (fr) Composition de polyuréthane
US20110023376A1 (en) Composite abrasive bodies
DE102013004942A1 (de) Verfahren zur Herstellung von chemisch-mechanischen Polierschichten, die ein Fenster aufweisen
DE2317507A1 (de) Schleifmaterial geringer dichte unter einsatz von isocyanuratharz
US4048765A (en) Non-cellular polyurethane wheel in a process for finishing a metal workpiece
DE3042643A1 (de) Schleifkoerper und verfahren zur herstellung desselben
JP2002537455A (ja) 耐熱性ポリウレタンポリマー
US3778241A (en) Spheroidal peening particles adhesively bonded to a woven cloth
EP1138440B1 (fr) Outil de meulage et son procédé de fabrication
DE3709234C2 (fr)
DE2743585A1 (de) Chleifkoerper o.dgl. fuer rundschleifmaschinen
EP1728807A1 (fr) Adhésif thermofusible à deux composants contenant de l'eau
DE10227805A1 (de) Beschichtetes Schleifband mit verbessertem Haftmittel sowie Verfahren zu dessen Herstellung
JP2020002574A (ja) ２液混合常温硬化型舗装材及び弾性舗装方法
EP1728840A1 (fr) Procédé d'application et de collage
DE2730665A1 (de) Schleifscheibe fuer nasschliff

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

17P Request for examination filed

Effective date: 20051201

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20070426

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20070907