US20150017888A1 - Abrasive bristle, method for the manufacture thereof, brush with abrasive bristles and method for the surface treatment of a workpiece with a brush having abrasive bristles - Google Patents
Abrasive bristle, method for the manufacture thereof, brush with abrasive bristles and method for the surface treatment of a workpiece with a brush having abrasive bristles Download PDFInfo
- Publication number
- US20150017888A1 US20150017888A1 US14/375,576 US201314375576A US2015017888A1 US 20150017888 A1 US20150017888 A1 US 20150017888A1 US 201314375576 A US201314375576 A US 201314375576A US 2015017888 A1 US2015017888 A1 US 2015017888A1
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- US
- United States
- Prior art keywords
- abrasive
- brush
- bristles
- plastic material
- particles
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- 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.)
- Abandoned
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Classifications
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- 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
- B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/04—Preparing bristles
-
- 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
- B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
- B24D13/145—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face having a brush-like working surface
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- 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
- B24D18/0063—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/3093—Brush with abrasive properties, e.g. wire bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0207—Bristles characterised by the choice of material, e.g. metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/66—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyethers
- D01F6/665—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyethers from polyetherketones, e.g. PEEK
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/76—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from other polycondensation products
- D01F6/765—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from other polycondensation products from polyarylene sulfides
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
Definitions
- the invention pertains to a method for the manufacture of an abrasive bristle, wherein a plastic material is melted and a granular material made of abrasive particles is mixed into the melt, and wherein the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up. Further, the present invention pertains to a corresponding abrasive bristle.
- the present invention pertains to a brush with abrasive bristles and a method for the surface treatment of a workpiece with a brush, which has abrasive bristles or consists of same.
- Abrasive bristles of the type mentioned are usually used wherever a surface of a workpiece must be treated and in particular be abraded or polished.
- the abrasive bristles are usually manufactured by a plastic material, for example, made of polyamide 6.12 being melted in an extruder.
- Granular material-type abrasive particles are mixed into the plastic melt and the melt is extruded together with the abrasive particles through a nozzle and fed in the form of a so-called endless filament to further treatment stations, in which the filament can be stretched and/or heated and/or shrunk. The filament is then cut to a desired length for the manufacture of the individual bristles.
- the basic object of the present invention is to create an abrasive bristle, which has a long duration of use, and a method for the manufacture of a corresponding abrasive bristle. Furthermore, a brush with abrasive bristles and a method for the surface treatment of a workpiece shall be created, with which the workpiece can be treated quickly and in a cost-effective manner.
- This object is accomplished according to the present invention by a method with a plastic material that is melted and a granular material made of abrasive particles that is mixed into the melt.
- the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up.
- provisions are made for the plastic material to be a high-temperature-resistant polymer with a continued use temperature of ⁇ 150° C. and for the melt with the abrasive particles to be extruded at a temperature of ⁇ 280° C.
- the continued use temperature represents the temperature limit, above which a substantial reduction of the strength properties of the plastic material occurs due to technical stress.
- the continued use temperature also called Relative Temperature Index, RTI
- RTI Relative Temperature Index
- the present invention is based on the basic idea that the problems with the previous abrasive bristles were caused by a relatively great friction developing between the abrasive bristles and the workpiece when using the abrasive bristles, which leads to high temperatures, which reduces the stability of the abrasive bristles.
- This is avoided, according to the present invention, by the plastic material, i.e., the matrix of the abrasive bristle, consisting of a high-temperature-resistant polymer.
- the bristles may consist of polyketones (e.g., polyether ether ketones (PEEK), polyaryl ether ketones (PAEK) or mixtures thereof), polyphenylene sulfide (PPS) or of alloys of polyarylene sulfide, or polyphenylene sulfide and polyaryl ether ketone, partially aromatic polyamides such as polyphthalamides (PPA) (e.g., PA 3T, PA 6T or PA 9T, etc., among others), or even of mixtures or blends of these plastics.
- PEEK polyether ether ketones
- PAEK polyaryl ether ketones
- PPS polyphenylene sulfide
- PPS polyphenylene sulfide
- alloys of polyarylene sulfide or polyphenylene sulfide and polyaryl ether ketone
- partially aromatic polyamides such as polyphthalamides (PPA) (e.g., PA 3T, PA 6
- the filaments according to the present invention may be round or n-angular with n ⁇ 3 as well as in the form of a small strip.
- the melt with the abrasive particles is extruded at a temperature of ⁇ 280° C.
- provisions are made for the melt with the abrasive particles to be extruded at a temperature of 300° C. to 400° C.
- the plastic material is partially crystalline. This makes it possible to subsequently stretch the filament manufactured with the extrusion, such that the filament does not tear or is otherwise damaged.
- Particles made of SiC and/or of Al 2 O 3 can be used as abrasive particles.
- diamond chips or particles and/or corundum particles and/or ceramic particles and/or boron carbide particles can be provided as abrasive particles.
- these can be coated with an adhesive before mixing into the plastic melt.
- a coating with silanes for example, is known from the literature.
- the abrasive particles can be inserted into the melted plastic material and brought together with same to the extrusion temperature of ⁇ 280° C.
- the above-mentioned object is accomplished by an abrasive bristle with abrasive particles that consist of SiC and/or Al 2 O 3 and/or are formed by diamond particles and/or corundum particles and/or ceramic particles and/or boron carbide particles and/or zirconium oxide. Provisions are made for the plastic material to be a high-temperature-resistant plastic material.
- the abrasive bristles according to the present invention are used for the surface treatment of a workpiece, in particular in a brush, which has a bristle carrier, which carries a bristle filling, whereby the bristle filling has abrasive bristles or abrasive bristles manufactured according to a process that includes melting a plastic material and mixing a granular material made of abrasive particles into the melt, wherein the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up, wherein the plastic material is a high-temperature-resistant polymer with a continued use temperature of ⁇ 150° C., and the melt with the abrasive particles is extruded at a temperature of ⁇ 280° C.
- the melt with the abrasive particles may be extruded at a temperature of 300° C. to 400° C.
- the abrasive particles may be mixed into the melt at a temperature of ⁇ 280° C.
- the abrasive bristles are made of a plastic material, into which abrasive particles are mixed, wherein the plastic material is a high-temperature-resistant material with a continued use temperature of ⁇ 150° C.
- the plastic material may be partially crystalline.
- the abrasive particles may consist of SiC and/or Al 2 O 3 and/or are formed by diamond particles and/or corundum particles and/or ceramic particles and/or boron carbide particles and/or zirconium oxide.
- the abrasive particles may be coated with an adhesive.
- the bristle filling consists entirely of corresponding abrasive bristles.
- a method according to the present invention for the surface treatment of a workpiece by means of a brush which has abrasive bristles made of a plastic material, into which abrasive particles are mixed, with the plastic material being a high-temperature-resistant material with a continued use temperature of ⁇ 150° C.
- abrasive bristles manufactured according to the method that includes melting a plastic material and mixing a granular material made of abrasive particles into the melt, wherein the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up, and the plastic material is a high-temperature-resistant polymer with a continued use temperature of ⁇ 150° C., and the melt with the abrasive particles is extruded at a temperature of ⁇ 280° C.
- the brush is rotated and brought into contact with the surface to be treated.
- the brush here has a speed of 3,000 rpm to 12,000 rpm and in particular a speed of 5,000 rpm to 9,000 rpm.
- the size of the brush and in particular the length of the bristles are designed such that the bristle ends are moved with a peripheral speed of 5,000 m/min to 7,000 m/min.
- the method is particularly effective when the bristle filling of the brush being used in the method consists entirely of abrasive bristles made of a plastic material, into which abrasive particles are mixed, and the plastic material is a high-temperature-resistant material with a continued use temperature of ⁇ 150° C.
- abrasive bristles which are manufactured according to the method that includes melting a plastic material and mixing a granular material made of abrasive particles the melt, wherein the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up, and the plastic material is a high-temperature-resistant polymer with a continued use temperature of ⁇ 150° C., and the melt with the abrasive particles is extruded at a temperature of ⁇ 280° C.
- FIG. 1 is a diagrammatic view of a flow chart showing the steps of a method of the present invention
- FIG. 2 is a side view of an apparatus for forming a filament of the present invention
- FIG. 3 is a side view of a bristle carrier of the present invention.
- FIG. 4 is a perspective view of a brush of the present invention.
- FIG. 1 is a flow chart showing the steps of a method of the present invention.
- a plastic material is melted in step 1 .
- a granular material is mixed into the melted plastic material.
- the plastic material can be melted and the granular material can be mixed with the plastic material at the same time.
- the melted plastic material with the abrasive particles is extruded into a filament in step 5 .
- the filament is treated and cut in step 7 .
- the filament can be treated in one step and then cut in another step.
- FIG. 2 is a side view of an apparatus for forming a filament 13 .
- a mixer 9 receives a melted plastic material and abrasive particles. The abrasive particles may be coated with an adhesive. The melted plastic material and the abrasive particles are mixed in the mixer 9 .
- An extruder 11 receives the melted plastic material with the abrasive particles. The extruder 11 forms the filament 13 .
- the melted plastic material with the abrasive particles are extruded at a temperature greater or equal to than 280° C., preferably at a temperature of 300° C. to 400° C.
- a cutting and treating structure 15 is provided to cut and treat the filament 13 .
- the extruder 11 may receive the melted plastic material separately from the abrasive particles such that the extruder 11 mixes the melted plastic material with the abrasive particles.
- a device may be provided for cutting the filament that is separate from a device that treats the filament.
- FIG. 3 is a side view of a bristle carrier 17 .
- the bristle carrier 17 carries a bristle filling 19 .
- the bristle filling 19 has abrasive bristles 21 .
- the abrasive bristles 21 include a plastic material and abrasive particles with the plastic material having a high-temperature-resistant material with a continued use temperature that is greater than or equal to 150° C.
- FIG. 4 is a perspective view of a brush 23 .
- the abrasive bristles 21 are connected to the brush 23 .
- the abrasive bristles 21 are connected directly to the brush 23 .
- the abrasive bristles 21 are connected to the brush 23 via the bristle carrier 17 of FIG. 3 .
- the brush 23 may be rotated, such as by a motor, at a speed of 3,000 rpm to 12,000 rpm, preferably in a range of 5,000 rpm to 9,000 rpm. Ends of the bristles may be moved with a peripheral speed of 5,000 m/min to 7,000 m/min.
Abstract
For the manufacture of an abrasive bristle, a plastic material is melted, and a granular material made of abrasive particles is mixed into the melt. The melt is extruded together with the abrasive particles into a filament, and the filament is subsequently treated and cut up. The plastic material may be a high-temperature-resistant polymer with a continued use temperature of ≧150° C. and for the melt with the abrasive particles to be extruded at a temperature of ≧280° C. A brush equipped with corresponding abrasive bristles can be used for the surface treatment of a workpiece, whereby the brush is rotated with a speed in the range of 3,000 rpm to 12,000 rpm and is brought into contact with the surface to be treated.
Description
- This application is a United States National Phase Application of International Application PCT/EP2013/000140 filed Jan. 18, 2013 and claims the benefit of priority under 35 U.S.C. §119 of German Patent Application DE 10 2012 001 623.9 filed Jan. 30, 2012 and German Patent Application DE 10 2012 009 087.0 filed May 9, 2012, the entire contents of which are incorporated herein by reference.
- The invention pertains to a method for the manufacture of an abrasive bristle, wherein a plastic material is melted and a granular material made of abrasive particles is mixed into the melt, and wherein the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up. Further, the present invention pertains to a corresponding abrasive bristle.
- Furthermore, the present invention pertains to a brush with abrasive bristles and a method for the surface treatment of a workpiece with a brush, which has abrasive bristles or consists of same.
- Abrasive bristles of the type mentioned are usually used wherever a surface of a workpiece must be treated and in particular be abraded or polished.
- The abrasive bristles are usually manufactured by a plastic material, for example, made of polyamide 6.12 being melted in an extruder. Granular material-type abrasive particles are mixed into the plastic melt and the melt is extruded together with the abrasive particles through a nozzle and fed in the form of a so-called endless filament to further treatment stations, in which the filament can be stretched and/or heated and/or shrunk. The filament is then cut to a desired length for the manufacture of the individual bristles.
- It has been shown that such abrasive bristles can perform their abrasive treatment function only for a relatively short use time. When the bristles are drawn over the workpiece to be treated, for example, in the form of a rotating brush, high forces arise, which reduce the usability of the individual bristle.
- The basic object of the present invention is to create an abrasive bristle, which has a long duration of use, and a method for the manufacture of a corresponding abrasive bristle. Furthermore, a brush with abrasive bristles and a method for the surface treatment of a workpiece shall be created, with which the workpiece can be treated quickly and in a cost-effective manner.
- This object is accomplished according to the present invention by a method with a plastic material that is melted and a granular material made of abrasive particles that is mixed into the melt. The melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up. Here, provisions are made for the plastic material to be a high-temperature-resistant polymer with a continued use temperature of ≧150° C. and for the melt with the abrasive particles to be extruded at a temperature of ≧280° C.
- The continued use temperature represents the temperature limit, above which a substantial reduction of the strength properties of the plastic material occurs due to technical stress. The continued use temperature (also called Relative Temperature Index, RTI) is the highest temperature, at which the material still has at least 50% of its properties (tensile strength or resistance to stretching) after a set time interval of usually 20,000 hr. (see also International Standard IEC 60216-1).
- The present invention is based on the basic idea that the problems with the previous abrasive bristles were caused by a relatively great friction developing between the abrasive bristles and the workpiece when using the abrasive bristles, which leads to high temperatures, which reduces the stability of the abrasive bristles. This is avoided, according to the present invention, by the plastic material, i.e., the matrix of the abrasive bristle, consisting of a high-temperature-resistant polymer. The bristles may consist of polyketones (e.g., polyether ether ketones (PEEK), polyaryl ether ketones (PAEK) or mixtures thereof), polyphenylene sulfide (PPS) or of alloys of polyarylene sulfide, or polyphenylene sulfide and polyaryl ether ketone, partially aromatic polyamides such as polyphthalamides (PPA) (e.g., PA 3T, PA 6T or PA 9T, etc., among others), or even of mixtures or blends of these plastics.
- The filaments according to the present invention may be round or n-angular with n ≧3 as well as in the form of a small strip.
- In order to achieve a good embedding of the abrasive particles into the plastic material, the melt with the abrasive particles is extruded at a temperature of ≧280° C. In a preferred embodiment of the present invention, provisions are made for the melt with the abrasive particles to be extruded at a temperature of 300° C. to 400° C.
- In a variant of the present invention, provisions are made for the plastic material to be partially crystalline. This makes it possible to subsequently stretch the filament manufactured with the extrusion, such that the filament does not tear or is otherwise damaged.
- Particles made of SiC and/or of Al2O3, for example, can be used as abrasive particles. However, it is also possible to provide diamond chips or particles and/or corundum particles and/or ceramic particles and/or boron carbide particles as abrasive particles.
- In order to improve the adhesion between the plastic material and the abrasive particles, these can be coated with an adhesive before mixing into the plastic melt. In this connection, a coating with silanes, for example, is known from the literature.
- The abrasive particles can be inserted into the melted plastic material and brought together with same to the extrusion temperature of ≧280° C. As an alternative, however, it is also possible at first to bring the plastic material to a temperature of ≧280° C. and thereby melt the plastic material and only then mix the abrasive particles into the melt.
- With regard to the abrasive bristle, the above-mentioned object is accomplished by an abrasive bristle with abrasive particles that consist of SiC and/or Al2O3 and/or are formed by diamond particles and/or corundum particles and/or ceramic particles and/or boron carbide particles and/or zirconium oxide. Provisions are made for the plastic material to be a high-temperature-resistant plastic material.
- Further features of the abrasive bristle according to the present invention as well as the advantages given therewith are already mentioned in connection with the method according to the present invention, to which reference is made for the purpose of avoiding repetitions.
- The abrasive bristles according to the present invention are used for the surface treatment of a workpiece, in particular in a brush, which has a bristle carrier, which carries a bristle filling, whereby the bristle filling has abrasive bristles or abrasive bristles manufactured according to a process that includes melting a plastic material and mixing a granular material made of abrasive particles into the melt, wherein the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up, wherein the plastic material is a high-temperature-resistant polymer with a continued use temperature of ≧150° C., and the melt with the abrasive particles is extruded at a temperature of ≧280° C. The melt with the abrasive particles may be extruded at a temperature of 300° C. to 400° C. The abrasive particles may be mixed into the melt at a temperature of ≧280° C. The abrasive bristles are made of a plastic material, into which abrasive particles are mixed, wherein the plastic material is a high-temperature-resistant material with a continued use temperature of ≧150° C. The plastic material may be partially crystalline. The abrasive particles may consist of SiC and/or Al2O3 and/or are formed by diamond particles and/or corundum particles and/or ceramic particles and/or boron carbide particles and/or zirconium oxide. The abrasive particles may be coated with an adhesive. Preferably, the bristle filling consists entirely of corresponding abrasive bristles.
- With a corresponding brush, a material abrasion on the surface of the workpiece and thus its fast treatment can be achieved without there being a risk that forces developing during the treatment and especially temperatures lead to a compromise of the functionality of the abrasive bristles and thus of the brush.
- According to a method according to the present invention for the surface treatment of a workpiece by means of a brush, which has abrasive bristles made of a plastic material, into which abrasive particles are mixed, with the plastic material being a high-temperature-resistant material with a continued use temperature of ≧150° C. or abrasive bristles manufactured according to the method that includes melting a plastic material and mixing a granular material made of abrasive particles into the melt, wherein the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up, and the plastic material is a high-temperature-resistant polymer with a continued use temperature of ≧150° C., and the melt with the abrasive particles is extruded at a temperature of ≧280° C. The brush is rotated and brought into contact with the surface to be treated. The brush here has a speed of 3,000 rpm to 12,000 rpm and in particular a speed of 5,000 rpm to 9,000 rpm. These very high rotation speeds of the brush lead to a very high material abrasion and to the fast treatment of the workpiece. The relatively high temperatures occurring here may be withstood by the abrasive bristles according to the present invention without compromising the mode of action.
- Preferably, the size of the brush and in particular the length of the bristles are designed such that the bristle ends are moved with a peripheral speed of 5,000 m/min to 7,000 m/min.
- The method is particularly effective when the bristle filling of the brush being used in the method consists entirely of abrasive bristles made of a plastic material, into which abrasive particles are mixed, and the plastic material is a high-temperature-resistant material with a continued use temperature of ≧150° C. or of abrasive bristles, which are manufactured according to the method that includes melting a plastic material and mixing a granular material made of abrasive particles the melt, wherein the melt with the abrasive particles is extruded into a filament, and the filament is subsequently treated and cut up, and the plastic material is a high-temperature-resistant polymer with a continued use temperature of ≧150° C., and the melt with the abrasive particles is extruded at a temperature of ≧280° C.
- The various features of novelty which characterize the invention are pointed out with particularity in the claims annexed to and forming a part of this disclosure. For a better understanding of the invention, its operating advantages and specific objects attained by its uses, reference is made to the accompanying drawings and descriptive matter in which preferred embodiments of the invention are illustrated.
- In the drawings:
-
FIG. 1 is a diagrammatic view of a flow chart showing the steps of a method of the present invention; -
FIG. 2 is a side view of an apparatus for forming a filament of the present invention; -
FIG. 3 is a side view of a bristle carrier of the present invention; and -
FIG. 4 is a perspective view of a brush of the present invention. -
FIG. 1 is a flow chart showing the steps of a method of the present invention. A plastic material is melted in step 1. Instep 3, a granular material is mixed into the melted plastic material. In another embodiment, the plastic material can be melted and the granular material can be mixed with the plastic material at the same time. The melted plastic material with the abrasive particles is extruded into a filament instep 5. The filament is treated and cut instep 7. In another embodiment, it is possible to cut the filament in one step and then treat the filament in another step. In yet another embodiment, the filament can be treated in one step and then cut in another step. -
FIG. 2 is a side view of an apparatus for forming afilament 13. Amixer 9 receives a melted plastic material and abrasive particles. The abrasive particles may be coated with an adhesive. The melted plastic material and the abrasive particles are mixed in themixer 9. Anextruder 11 receives the melted plastic material with the abrasive particles. Theextruder 11 forms thefilament 13. The melted plastic material with the abrasive particles are extruded at a temperature greater or equal to than 280° C., preferably at a temperature of 300° C. to 400° C. A cutting and treatingstructure 15 is provided to cut and treat thefilament 13. In another embodiment, theextruder 11 may receive the melted plastic material separately from the abrasive particles such that theextruder 11 mixes the melted plastic material with the abrasive particles. In another embodiment, a device may be provided for cutting the filament that is separate from a device that treats the filament. -
FIG. 3 is a side view of abristle carrier 17. Thebristle carrier 17 carries a bristle filling 19. The bristle filling 19 hasabrasive bristles 21. The abrasive bristles 21 include a plastic material and abrasive particles with the plastic material having a high-temperature-resistant material with a continued use temperature that is greater than or equal to 150° C. -
FIG. 4 is a perspective view of abrush 23. The abrasive bristles 21 are connected to thebrush 23. In one embodiment, theabrasive bristles 21 are connected directly to thebrush 23. In another embodiment, theabrasive bristles 21 are connected to thebrush 23 via thebristle carrier 17 ofFIG. 3 . Thebrush 23 may be rotated, such as by a motor, at a speed of 3,000 rpm to 12,000 rpm, preferably in a range of 5,000 rpm to 9,000 rpm. Ends of the bristles may be moved with a peripheral speed of 5,000 m/min to 7,000 m/min. - While specific embodiments of the invention have been shown and described in detail to illustrate the application of the principles of the invention, it will be understood that the invention may be embodied otherwise without departing from such principles.
Claims (16)
1. A method for manufacture of an abrasive bristle, the method comprising:
melting a plastic material and mixing a granular material made of abrasive particles into the melt;
extruding the melt with the abrasive particles into a filament; and
treating and cutting the filament, the plastic material comprising a high-temperature-resistant polymer with a continued use temperature greater than or equal to 150° C., and the melt with the abrasive particles being extruded at a temperature greater than or equal to 280° C.
2. A method in accordance with claim 1 , wherein the melt with the abrasive particles is extruded at a temperature of 300° C. to 400° C.
3. A method in accordance with claim 1 , wherein the plastic material is partially crystalline.
4. A method in accordance with claim 1 , wherein the abrasive particles comprise SiC and/or Al2O3 and/or are formed by diamond particles and/or corundum particles and/or ceramic particles and/or boron carbide particles and/or zirconium oxide.
5. A method in accordance with claim 1 , wherein the abrasive particles are coated with an adhesive.
6. A method in accordance with claim 1 , wherein the abrasive particles are mixed into the melt at a temperature greater than or equal to 280° C.
7. An abrasive bristle, comprising:
a plastic material, into which abrasive particles are mixed, said plastic material comprising a high-temperature-resistant material with a continued use temperature greater than or equal to 150° C.
8. An abrasive bristle in accordance with claim 7 , wherein the plastic material is partially crystalline.
9. An abrasive bristle in accordance with claim 7 , wherein the abrasive particles comprise SiC and/or Al2O3 and/or are formed by diamond particles and/or corundum particles and/or ceramic particles and/or boron carbide particles and/or zirconium oxide.
10. An abrasive bristle in accordance with claim 7 , wherein the abrasive particles are coated with an adhesive.
11. A brush for a surface treatment of a workpiece, the brush comprising:
a bristle carrier, which carries a bristle filling, whereby the bristle filling has one of bristle filling abrasive bristles and manufactured abrasive bristles, said bristle filling abrasive brittles comprising a bristle filling plastic material, into which bristle filling abrasive particles are mixed, said bristle filling plastic material comprising a high-temperature-resistant material with a continued use temperature greater than or equal to 150° C., said manufactured abrasive bristles being manufactured according to a method, said method comprising melting a manufactured abrasive bristles plastic material and mixing a granular material made of manufactured abrasive bristles abrasive particles into the melt, extruding the melt with the manufactured abrasive bristles abrasive particles into a filament at a temperature greater than or equal to 280° C., and treating and cutting the filament, the manufactured abrasive bristles plastic material comprising a high-temperature-resistant polymer with a continued use temperature greater than or equal to 150° C.
12. A brush in accordance with claim 11 , wherein the bristle filling consists entirely of said one of said bristle filling abrasive bristles and said manufactured abrasive bristles.
13. A method for a surface treatment of a workpiece, the method comprising:
providing a brush, which has one of brush abrasive bristles and manufactured brush abrasive bristles, said brush abrasive bristles comprising a brush abrasive bristles plastic material and brush abrasive particles, said brush abrasive bristles plastic material comprising a brush abrasive bristles high-temperature-resistant material with a continued use temperature greater than or equal to 150° C., said manufactured brush abrasive bristles being manufactured via a manufacturing method, said manufacturing method comprising melting a manufactured plastic material and mixing a granular material made of manufactured abrasive particles into the manufactured plastic material melt, extruding the melt with the manufactured abrasive particles into a filament at a temperature greater than or equal to 280° C., and treating and cutting the filament, wherein the manufactured plastic material comprises a manufactured high-temperature-resistant polymer with a continued use temperature greater than or equal to 150° C.,
rotating the brush and bringing the brush into contact with the surface to be treated, wherein the brush is rotated with a speed of 3,000 rpm to 12,000 rpm.
14. A method in accordance with claim 13 , wherein the brush is rotated with a speed in a range of 5,000 rpm to 9,000 rpm.
15. A method in accordance with claim 13 , wherein ends of the bristles are moved with a peripheral speed of 5,000 m/min to 7,000 m/min.
16. A method in accordance with claim 13 , wherein the bristle filling of the brush consists entirely of said one of said brush abrasive bristles and said manufactured abrasive bristles.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012001623.9 | 2012-01-30 | ||
DE201210001623 DE102012001623A1 (en) | 2012-01-30 | 2012-01-30 | Producing abrasive bristle, comprises melting a plastic material, mixing granules made of abrasive particles, extruding into a filament, processing and cutting filament, where plastic material is a high-temperature-resistant polymer |
DE102012009087.0 | 2012-05-09 | ||
DE102012009087 | 2012-05-09 | ||
PCT/EP2013/000140 WO2013113472A1 (en) | 2012-01-30 | 2013-01-18 | Abrasive bristle, method for producing same, brush having abrasive bristles and method for processing the surface of a workpiece by way of a brush having abrasive bristles |
Publications (1)
Publication Number | Publication Date |
---|---|
US20150017888A1 true US20150017888A1 (en) | 2015-01-15 |
Family
ID=47750604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/375,576 Abandoned US20150017888A1 (en) | 2012-01-30 | 2013-01-18 | Abrasive bristle, method for the manufacture thereof, brush with abrasive bristles and method for the surface treatment of a workpiece with a brush having abrasive bristles |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150017888A1 (en) |
EP (1) | EP2809481B1 (en) |
CN (1) | CN104203498A (en) |
ES (1) | ES2623500T3 (en) |
PT (1) | PT2809481T (en) |
WO (1) | WO2013113472A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105415211A (en) * | 2015-12-25 | 2016-03-23 | 江苏锋芒复合材料科技集团有限公司 | Waterproof emery cloth for grinding of car industry and manufacturing method thereof |
CN105500225A (en) * | 2015-12-25 | 2016-04-20 | 江苏锋芒复合材料科技集团有限公司 | High comprehensive performance composite grinding piece and manufacturing method thereof |
US20170087611A1 (en) * | 2015-05-11 | 2017-03-30 | Hotani Co., Ltd. | Bristle element for brush and brush roll |
WO2018062791A1 (en) * | 2016-09-29 | 2018-04-05 | 주식회사 엘지생활건강 | Toothbrush bristles made of polyketone material, and toothbrush including same |
WO2020005661A1 (en) * | 2018-06-25 | 2020-01-02 | Anisa International, Inc. | Brush fibers with crystal-infused coating |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017043089A1 (en) * | 2015-09-10 | 2017-03-16 | 株式会社イハラ合成 | Wire material constituted of glass-fiber-reinforced plastic for surface processing |
CN109043805B (en) * | 2018-07-13 | 2020-05-01 | 海宁市力佳隆门窗密封条有限公司 | Production process of dust collection brush with nylon yarn |
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US3485607A (en) * | 1966-09-02 | 1969-12-23 | Gen Electric | Abrasive articles comprising a polyphenylene oxide binder |
US5454750A (en) * | 1990-10-09 | 1995-10-03 | Minnesota Mining And Manufacturing Company | Coated abrasive containing erodable agglomerates |
US5903951A (en) * | 1995-11-16 | 1999-05-18 | Minnesota Mining And Manufacturing Company | Molded brush segment |
US20050164619A1 (en) * | 2004-01-27 | 2005-07-28 | Soelch Richard R. | Thermoplastic sheet abrasives and methods of making the same |
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US5318603A (en) * | 1988-08-05 | 1994-06-07 | Jason, Inc. | Abrasive filament honing tool and method of making and using same |
ES2115371T3 (en) * | 1994-03-03 | 1998-06-16 | Minnesota Mining & Mfg | METHOD OF INCREASING THE BRIGHTNESS OF A SURFACE. |
ES2534825T3 (en) * | 2003-10-14 | 2015-04-29 | Tenax S.P.A. | Work system using a brush tool |
JP4942409B2 (en) * | 2006-07-07 | 2012-05-30 | 優一郎 新崎 | Brush hair |
-
2013
- 2013-01-18 EP EP13706166.9A patent/EP2809481B1/en not_active Not-in-force
- 2013-01-18 PT PT137061669T patent/PT2809481T/en unknown
- 2013-01-18 US US14/375,576 patent/US20150017888A1/en not_active Abandoned
- 2013-01-18 WO PCT/EP2013/000140 patent/WO2013113472A1/en active Application Filing
- 2013-01-18 ES ES13706166.9T patent/ES2623500T3/en active Active
- 2013-01-18 CN CN201380011839.9A patent/CN104203498A/en active Pending
Patent Citations (4)
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US3485607A (en) * | 1966-09-02 | 1969-12-23 | Gen Electric | Abrasive articles comprising a polyphenylene oxide binder |
US5454750A (en) * | 1990-10-09 | 1995-10-03 | Minnesota Mining And Manufacturing Company | Coated abrasive containing erodable agglomerates |
US5903951A (en) * | 1995-11-16 | 1999-05-18 | Minnesota Mining And Manufacturing Company | Molded brush segment |
US20050164619A1 (en) * | 2004-01-27 | 2005-07-28 | Soelch Richard R. | Thermoplastic sheet abrasives and methods of making the same |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170087611A1 (en) * | 2015-05-11 | 2017-03-30 | Hotani Co., Ltd. | Bristle element for brush and brush roll |
US10363587B2 (en) * | 2015-05-11 | 2019-07-30 | Hotani Co., Ltd. | Bristle element for brush and brush roll |
CN105415211A (en) * | 2015-12-25 | 2016-03-23 | 江苏锋芒复合材料科技集团有限公司 | Waterproof emery cloth for grinding of car industry and manufacturing method thereof |
CN105500225A (en) * | 2015-12-25 | 2016-04-20 | 江苏锋芒复合材料科技集团有限公司 | High comprehensive performance composite grinding piece and manufacturing method thereof |
WO2018062791A1 (en) * | 2016-09-29 | 2018-04-05 | 주식회사 엘지생활건강 | Toothbrush bristles made of polyketone material, and toothbrush including same |
TWI736680B (en) * | 2016-09-29 | 2021-08-21 | 韓商Lg生活健康股份有限公司 | Polyketone bristles and toothbrush having the bristles |
WO2020005661A1 (en) * | 2018-06-25 | 2020-01-02 | Anisa International, Inc. | Brush fibers with crystal-infused coating |
US11291296B2 (en) | 2018-06-25 | 2022-04-05 | Anisa International, Inc. | Brush fibers with crystal-infused coating |
Also Published As
Publication number | Publication date |
---|---|
PT2809481T (en) | 2017-03-16 |
EP2809481A1 (en) | 2014-12-10 |
WO2013113472A1 (en) | 2013-08-08 |
EP2809481B1 (en) | 2017-02-22 |
ES2623500T3 (en) | 2017-07-11 |
CN104203498A (en) | 2014-12-10 |
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STCB | Information on status: application discontinuation |
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