US20050260940A1 - Abrasive cleaning device - Google Patents
Abrasive cleaning device Download PDFInfo
- Publication number
- US20050260940A1 US20050260940A1 US10/851,393 US85139304A US2005260940A1 US 20050260940 A1 US20050260940 A1 US 20050260940A1 US 85139304 A US85139304 A US 85139304A US 2005260940 A1 US2005260940 A1 US 2005260940A1
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- US
- United States
- Prior art keywords
- abrasive
- cleaning device
- cleaning
- housing
- strips
- 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.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/008—Disc-shaped brush bodies
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
- B24B7/186—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools
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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
- B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
- B24D13/16—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips
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- 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
Definitions
- the field of this invention relates to a cleaning device for polished concrete surfaces.
- What is needed is a durable cleaning brush for mounting to a cleaning or buffing machine that is suitable for cleaning a polished cement floor. What is also needed is an expedient method to clean a polished concrete floor. What is also needed is a bristle that is durable and with a cross-sectional diameter larger than the cement floor pores in order to hone and smooth a concrete floor rather than degrade it during the cleaning process, the same brush can also be used as a durable abrader. What is also needed is a bristle that has a durable abrasive particle securely affixed to the bristle that is capable of honing a concrete surface.
- an abrasive cleaning device has a housing and a plurality of cleaning strips having a front abrasive face with a width and length.
- the cleaning strips are mounted to the housing such that the front abrasive face is aligned substantially transverse to the normal direction of motion of the housing.
- the cleaning strips include an abrasive material at the surface of the cleaning strips and secured to a substrate of the strips.
- the length of the face is substantially greater than the thickness of the strip to provide flexibility of the cleaning strips.
- an abrasive cleaning device has a plurality of cleaning strips with one end mounted to the housing.
- the strip has a distal end with an abrasive material at the surface of a substrate and secured to the substrate.
- the length of the cleaning strips is substantially greater than its thickness to provide resilient flexibility.
- the substrate is made from a steel or plastic that provides the resilient flexibility to the bristle.
- abrasive particles are secured to the strip such that when the strip wears it is exposing fresh abrasive particles at its working scrub surface.
- the distal working surface provides a flat edge to scrape away dirt and residue while the sharp abrasive particle cut and hone the cement surface. As the abrasive particles wear out, i.e. round down and loose its effectiveness, they eventually abrade away as the bristle shortens to expose new abrasive particles to the work surface.
- the abrasive material is formed by hard abrasive particles being embedded in the substrate that is a high temperature plastic matrix.
- the housing is in the form of a rotatable pad made for rotation about a central point. The cleaning strips have their respective front faces substantially radially aligned with the center of the pad.
- the housing is tubular and made for rotation about its major axis. The cleaning strips extend radially from the housing with the faces co-aligned with the major axis.
- an abrasive bristle includes a plastic matrix, and an abrasive material embedded in a distal end section of the bristle.
- a proximate mounting section of the bristle is devoid of the abrasive material.
- the distal end with the abrasive material extends toward the proximate mounting section with the abrasive ending at a point where the flexibility degrades a sufficient amount and the point being used as a wear indicator.
- the abrasive material includes diamond particles.
- the bristle includes abrasive material at opposing distal ends of the bristle element with a middle section being a mounting section to a support base. The middle section is devoid of the abrasive material. It is preferred that the abrasive material is embedded in the plastic matrix. It is also preferred that the plastic matrix is a high temperature plastic material.
- the abrasive is coated on opposing ends.
- the abrasive is brazed on the opposing ends.
- a method of claiming a polished concrete surface includes moving a plurality of cleaning strips having a front abrasive face aligned substantially transverse to the direction of movement.
- the cleaning strips resiliently flex to accommodate high and low spots of the concrete surface.
- the cleaning strip is in the form of a flexible plastic matrix with the abrasive face having a plurality of abrasive particle secured onto the cleaning strip across the face.
- the cleaning strips in cross-section have a major axis and a minor axis with the major axis positioned to be transverse to the normal motion of the housing.
- the housing is a rotatable pad made for rotation about a central point.
- the cleaning strips have their respective major axis substantially radially aligned with the center of the pad.
- the abrasive material is diamond particles being brazed onto the substrate which can be steel.
- the flexible bristles with abrasive particles have a cross-sectional diameter substantially greater than the cement pores and preferably greater than 1 ⁇ 8′′ diameter to provide the bristles to glide over the pores and clean and hone the surface of the polished cement.
- FIG. 1 is a perspective view of a high speed burnishing brush with a cleaning device incorporating one embodiment of the invention
- FIG. 2 is an enlarged side elevational view of the cleaning device on the polished concrete floor
- FIG. 3 is an enlarged perspective view of one cleaning element made in accordance with another embodiment of the invention.
- FIG. 4 is a cross sectional view taken along lines 4 - 4 shown in FIG. 3 ;
- FIG. 5 is an enlarged perspective view of a further modified embodiment of a cleaning element
- FIG. 6 is a cross sectional view taken along lines 6 - 6 shown in FIG. 5 ;
- FIG. 7 is an enlarged perspective view of an additional embodiment of a cleaning element
- FIG. 8 illustrates a method of attaching the bristle shown in FIG. 7 to a housing
- FIG. 9 is a bottom plan view of a disc pad incorporating wide blade shaped strips in accordance with an alternative embodiment of the invention.
- FIG. 10 is a perspective view of a roller brush incorporating blades in accordance with an alternative embodiment of the invention.
- FIG. 11 is a cross-section side elevational view of a steel bristle with diamond abrasive particles brazed thereon in use on a concrete floor.
- abrasive pad 32 used as shown in FIG. 1 on a conventional high speed machine (not shown).
- the machine is set at about 175 rpm's with a pad pressure of 60-300 psi.
- the cleaning can also be done by a drum brush 34 as shown in FIG. 10 also mounted to a conventional drum machine (not shown).
- the pad 32 is made from a plurality of cleaning elements called strips or bristles 36 which can be in the form of a round, square or rectangular bristle as shown in FIG. 2 which can be embedded with abrasive 38 .
- the bristle 36 may be extruded from a high temperatures thermoplastic material mixed with abrasive particles 38 .
- the abrasive particles 38 may be a hard particulate such as alumina silicate or small industrial diamond particles.
- the bristle 36 has a distal end 40 with an abrasive flat front face 39 that engages the polished floor 10 with the hardened abrasive particles.
- the abrasive particles are sufficiently aggressive to scour any dirt or grime that exists on the concrete floor.
- the square bristles are at least 1/8 inch wide to be larger than the pores of most normal concrete floors. While a square bristle is shown, rectangular or other shaped bristles are possible as long as they have a scrub face 39 over 1/8 inch wide.
- the bristle has its mounted end 42 embedded in the pad as shown in FIGS. 1 and 2 by being molded directly therein.
- the bristles are mounted such that the abrasive scrub face 39 is aligned transverse to the normal direction of motion of the pad at the face 39 .
- the faces 39 are radially aligned about the center 41 of the pad when the pad rotates about its center 41 .
- the drum brush shown in FIG. 10 has the faces aligned along the width of the drum brush such that as the drum rotates in the indicated direction, the face 39 flushly encounters the concrete floor.
- FIGS. 3-6 two embodiments are shown each with diamond abrasive in proximity with the distal end 40 and the proximate mounting end 42 being devoid of such diamond particles.
- the embodiment shown in FIGS. 3 and 4 show a bristle with a layer of diamond particulates coated about the distal end. The diamond particulates are coated sufficiently thick and are secured strong enough to maintain its adherence to the underlying bristle material. It should be noted that only the scrub surface 39 needs to be coated. As shown, opposing surface 43 is also coated in case there are machines that rotate the pad in the opposite direction. The side walls 45 need not have any abrasive coating.
- FIGS. 5 and 6 show where the extruded bristle is made such that only the distal area 40 has the diamond particulate embedded therein with the remaining or proximate section 42 being devoid of diamond particulate.
- the embedded diamonds extend completely through the interior of the bristle 36 as clearly illustrated in cross sectional view of FIG. 6 .
- This embedded particulate has its advantages over the embodiment shown in FIGS. 3 and 4 as the bristle abrades through extended use, its outer surface at the distal end 40 no matter how worn always provides an outer abrasive surface 39 with diamond particulate 38 on a working surface.
- the distal end 40 abrades to provide a straight knife-like edge 41 on the concrete surface 12 .
- the diamond particles 39 wear down and their effectiveness becomes diminished, they eventually abrade off the bristle as the substrate material whether plastic or steel also wears down to provide a fresh diamond particles just above to replenish the effectiveness of the bristle.
- an abrasive bristle maintains its abrasive aggressiveness for a long term.
- the resilient flexibility of the bristle provides relief when the pad hits a high spot of the concrete floor and will not gouge at the high spot or opens the pores at the high spot.
- the bristles 36 have a length that is sufficiently long compared to its thickness to provide resilient flexibility of the bristle as illustrated in FIG. 2 to flex. As the bristle is shortened through the extended wear and the bristle becomes to short and too stiff for proper use, the diamond particulate also becomes exhausted which provides for a sensory indicator that the bush is worn out.
- the brush by having a bristle with a relatively wide, flat, and resilient flexible abrasive face 39 does not cause excessive deterioration of the concrete floor. In fact, it hones the concrete floor to maintain its smoothness. Secondly, by only having diamond particulate at the distal section 40 , there is less waste of diamond particulate. In addition, a sensory wear indicator is provided when the diamond particulate is totally abraded.
- FIGS. 7 and 8 A further embodiment is shown in FIGS. 7 and 8 which provides for a double ended bristle 46 that has two opposing distal ends 48 each with diamond particulate either coated or embedded in the same fashion as described in the embodiments shown and described for FIG. 3-6 .
- both distal ends 48 are positioned to be operable against the floor surface 10 .
- the mid-section 50 is mounted to the brush substrate by extending through holes 52 and being stapled in place by staple 54 .
- Other molding techniques may also embed the mid-section 50 in the brush with the two distal ends 48 extending outward.
- the bristle provides for two cleaning sections with opposing abrasive faces 39 . When the bristle is mounted into the pad, both faces 39 face the same direction.
- the operation of the brush bristles 46 is identical with the previous described embodiments.
- bristles 36 have a cross-section with a major and minor axis with the major axis being radially aligned about the center of rotation 41 and transverse to the normal motion of pad 32 .
- the blade shaped bristles 36 while shown in four staggered sections can have a variety of configurations on pad 32 .
- the bristles 36 may also have an elliptical or oblong cross-sectional shape with the major axis in the same position as shown.
- a bristle with a circular cross-section is also usable for honing the concrete surface if the diameter exceeds 1 ⁇ 8′′.
- the substrate may be made from steel such as steel wire or wire strips 36 as shown in FIG. 11 with diamond particles 38 brazed or electroplated thereon.
- FIG. 10 Another embodiment is shown in FIG. 10 with drum 34 mounting wide blades 36 about its periphery to provide scrub faces 39 to operate in similar fashion as described before.
- the brush may also be used as an aggressive abrader. For this use, narrower bristles may also be used.
Abstract
A cleaning element (36) for a cement floor surface mounted to a housing (32). Each cleaning element has a flat flexible abrasive surface (39) that is transversely positioned to the direction of motion to provide flex during cleaning of a cement floor surface.
Description
- The field of this invention relates to a cleaning device for polished concrete surfaces.
- Normal cleaning of concrete whether by a power wash, power sweep or scrub progressively deteriorates concrete by breaking apart smaller particles from the concrete surface, thereby making the concrete surface more porous and more suspect to further deterioration.
- Known cleaning brushes also progressively deteriorate concrete surfaces. The small bristles tend to undesirably add porosity to the concrete surface by poking into the holes that naturally occur in the concrete and breaking away the smaller particles of the concrete.
- While concrete or cement is a very popular material for use in floors and construction materials because of its strength, durability and low costs, if the concrete or cement is left unfinished, the floor will inherently produce dust by the constant scuffing it undergoes whether by foot traffic or wheeled traffic and be susceptible to staining due to the porosity. One is then faced with a dilemma of cleaning a concrete floor with the disadvantage of the deterioration of its relatively smooth surface.
- One way to achieve a better concrete surface look is to add a densifier such as sodium silicate to the concrete floor which closes the porosity of the floor. One then polishes the concrete with successive finer grit sand paper or polishing pads. This known process provides for a relatively attractive concrete polished surface. However this surface also needs maintenance when it gets dirty.
- What is needed is a durable cleaning brush for mounting to a cleaning or buffing machine that is suitable for cleaning a polished cement floor. What is also needed is an expedient method to clean a polished concrete floor. What is also needed is a bristle that is durable and with a cross-sectional diameter larger than the cement floor pores in order to hone and smooth a concrete floor rather than degrade it during the cleaning process, the same brush can also be used as a durable abrader. What is also needed is a bristle that has a durable abrasive particle securely affixed to the bristle that is capable of honing a concrete surface.
- In accordance with one aspect of the invention, an abrasive cleaning device has a housing and a plurality of cleaning strips having a front abrasive face with a width and length. The cleaning strips are mounted to the housing such that the front abrasive face is aligned substantially transverse to the normal direction of motion of the housing. The cleaning strips include an abrasive material at the surface of the cleaning strips and secured to a substrate of the strips. The length of the face is substantially greater than the thickness of the strip to provide flexibility of the cleaning strips.
- In accordance with another aspect of the invention, an abrasive cleaning device has a plurality of cleaning strips with one end mounted to the housing. The strip has a distal end with an abrasive material at the surface of a substrate and secured to the substrate. The length of the cleaning strips is substantially greater than its thickness to provide resilient flexibility. Preferably the substrate is made from a steel or plastic that provides the resilient flexibility to the bristle. Preferably, abrasive particles are secured to the strip such that when the strip wears it is exposing fresh abrasive particles at its working scrub surface. The distal working surface provides a flat edge to scrape away dirt and residue while the sharp abrasive particle cut and hone the cement surface. As the abrasive particles wear out, i.e. round down and loose its effectiveness, they eventually abrade away as the bristle shortens to expose new abrasive particles to the work surface.
- In one embodiment, the abrasive material is formed by hard abrasive particles being embedded in the substrate that is a high temperature plastic matrix. In one embodiment, the housing is in the form of a rotatable pad made for rotation about a central point. The cleaning strips have their respective front faces substantially radially aligned with the center of the pad. In another embodiment, the housing is tubular and made for rotation about its major axis. The cleaning strips extend radially from the housing with the faces co-aligned with the major axis.
- In accordance with another aspect of the invention, an abrasive bristle includes a plastic matrix, and an abrasive material embedded in a distal end section of the bristle. A proximate mounting section of the bristle is devoid of the abrasive material.
- In one embodiment, the distal end with the abrasive material extends toward the proximate mounting section with the abrasive ending at a point where the flexibility degrades a sufficient amount and the point being used as a wear indicator. In one embodiment, the abrasive material includes diamond particles. In one embodiment, the bristle includes abrasive material at opposing distal ends of the bristle element with a middle section being a mounting section to a support base. The middle section is devoid of the abrasive material. It is preferred that the abrasive material is embedded in the plastic matrix. It is also preferred that the plastic matrix is a high temperature plastic material.
- In another embodiment, the abrasive is coated on opposing ends. Preferably, the abrasive is brazed on the opposing ends.
- In accordance with another aspect of the invention, a method of claiming a polished concrete surface includes moving a plurality of cleaning strips having a front abrasive face aligned substantially transverse to the direction of movement. The cleaning strips resiliently flex to accommodate high and low spots of the concrete surface. Preferably, the cleaning strip is in the form of a flexible plastic matrix with the abrasive face having a plurality of abrasive particle secured onto the cleaning strip across the face.
- Preferably, the cleaning strips in cross-section have a major axis and a minor axis with the major axis positioned to be transverse to the normal motion of the housing. It is also preferred that the housing is a rotatable pad made for rotation about a central point. The cleaning strips have their respective major axis substantially radially aligned with the center of the pad. In one embodiment, the abrasive material is diamond particles being brazed onto the substrate which can be steel.
- According to another aspect of the inventor, the flexible bristles with abrasive particles have a cross-sectional diameter substantially greater than the cement pores and preferably greater than ⅛″ diameter to provide the bristles to glide over the pores and clean and hone the surface of the polished cement.
- Reference now is made to the accompanying drawings in which:
-
FIG. 1 is a perspective view of a high speed burnishing brush with a cleaning device incorporating one embodiment of the invention; -
FIG. 2 is an enlarged side elevational view of the cleaning device on the polished concrete floor; -
FIG. 3 is an enlarged perspective view of one cleaning element made in accordance with another embodiment of the invention; -
FIG. 4 is a cross sectional view taken along lines 4-4 shown inFIG. 3 ; -
FIG. 5 is an enlarged perspective view of a further modified embodiment of a cleaning element; -
FIG. 6 is a cross sectional view taken along lines 6-6 shown inFIG. 5 ; -
FIG. 7 is an enlarged perspective view of an additional embodiment of a cleaning element; -
FIG. 8 illustrates a method of attaching the bristle shown inFIG. 7 to a housing; -
FIG. 9 is a bottom plan view of a disc pad incorporating wide blade shaped strips in accordance with an alternative embodiment of the invention; -
FIG. 10 is a perspective view of a roller brush incorporating blades in accordance with an alternative embodiment of the invention; and -
FIG. 11 is a cross-section side elevational view of a steel bristle with diamond abrasive particles brazed thereon in use on a concrete floor. - Instead of washing and waxing as is often done with conventional floors, the maintenance of a polished concrete floor is accomplished by using an
abrasive pad 32 used as shown inFIG. 1 on a conventional high speed machine (not shown). The machine is set at about 175 rpm's with a pad pressure of 60-300 psi. The cleaning can also be done by adrum brush 34 as shown inFIG. 10 also mounted to a conventional drum machine (not shown). - The
pad 32 is made from a plurality of cleaning elements called strips or bristles 36 which can be in the form of a round, square or rectangular bristle as shown inFIG. 2 which can be embedded with abrasive 38. The bristle 36 may be extruded from a high temperatures thermoplastic material mixed withabrasive particles 38. Theabrasive particles 38 may be a hard particulate such as alumina silicate or small industrial diamond particles. - In one embodiment as shown in
FIGS. 3 and 4 , thebristle 36 has adistal end 40 with an abrasive flatfront face 39 that engages thepolished floor 10 with the hardened abrasive particles. The abrasive particles are sufficiently aggressive to scour any dirt or grime that exists on the concrete floor. The square bristles are at least 1/8 inch wide to be larger than the pores of most normal concrete floors. While a square bristle is shown, rectangular or other shaped bristles are possible as long as they have ascrub face 39 over 1/8 inch wide. - The bristle has its mounted
end 42 embedded in the pad as shown inFIGS. 1 and 2 by being molded directly therein. The bristles are mounted such that theabrasive scrub face 39 is aligned transverse to the normal direction of motion of the pad at theface 39. For example, as shown inFIG. 9 , thefaces 39 are radially aligned about thecenter 41 of the pad when the pad rotates about itscenter 41. The drum brush shown inFIG. 10 has the faces aligned along the width of the drum brush such that as the drum rotates in the indicated direction, theface 39 flushly encounters the concrete floor. - When
diamond particles 38 are embedded as abrasive in the bristle, it is desirable that only the workingdistal end 40 is provided with thediamond particles 38 to contain costs of the relatively expensive diamond particles. As shown inFIGS. 3-6 , two embodiments are shown each with diamond abrasive in proximity with thedistal end 40 and the proximate mountingend 42 being devoid of such diamond particles. The embodiment shown inFIGS. 3 and 4 show a bristle with a layer of diamond particulates coated about the distal end. The diamond particulates are coated sufficiently thick and are secured strong enough to maintain its adherence to the underlying bristle material. It should be noted that only thescrub surface 39 needs to be coated. As shown, opposingsurface 43 is also coated in case there are machines that rotate the pad in the opposite direction. Theside walls 45 need not have any abrasive coating. -
FIGS. 5 and 6 show where the extruded bristle is made such that only thedistal area 40 has the diamond particulate embedded therein with the remaining orproximate section 42 being devoid of diamond particulate. In this embodiment, the embedded diamonds extend completely through the interior of thebristle 36 as clearly illustrated in cross sectional view ofFIG. 6 . This embedded particulate has its advantages over the embodiment shown inFIGS. 3 and 4 as the bristle abrades through extended use, its outer surface at thedistal end 40 no matter how worn always provides an outerabrasive surface 39 withdiamond particulate 38 on a working surface. - For either embodiment, as the
pad 32 is used, thedistal end 40 abrades to provide a straight knife-like edge 41 on theconcrete surface 12. As thediamond particles 39 wear down and their effectiveness becomes diminished, they eventually abrade off the bristle as the substrate material whether plastic or steel also wears down to provide a fresh diamond particles just above to replenish the effectiveness of the bristle. - In this fashion an abrasive bristle maintains its abrasive aggressiveness for a long term. The resilient flexibility of the bristle provides relief when the pad hits a high spot of the concrete floor and will not gouge at the high spot or opens the pores at the high spot.
- Furthermore, the
bristles 36 have a length that is sufficiently long compared to its thickness to provide resilient flexibility of the bristle as illustrated inFIG. 2 to flex. As the bristle is shortened through the extended wear and the bristle becomes to short and too stiff for proper use, the diamond particulate also becomes exhausted which provides for a sensory indicator that the bush is worn out. - In this manner, the brush by having a bristle with a relatively wide, flat, and resilient flexible
abrasive face 39 does not cause excessive deterioration of the concrete floor. In fact, it hones the concrete floor to maintain its smoothness. Secondly, by only having diamond particulate at thedistal section 40, there is less waste of diamond particulate. In addition, a sensory wear indicator is provided when the diamond particulate is totally abraded. - A further embodiment is shown in
FIGS. 7 and 8 which provides for a double ended bristle 46 that has two opposing distal ends 48 each with diamond particulate either coated or embedded in the same fashion as described in the embodiments shown and described forFIG. 3-6 . - In this bristle, both distal ends 48 are positioned to be operable against the
floor surface 10. The mid-section 50 is mounted to the brush substrate by extending throughholes 52 and being stapled in place bystaple 54. Other molding techniques may also embed the mid-section 50 in the brush with the twodistal ends 48 extending outward. It should be noted that the bristle provides for two cleaning sections with opposing abrasive faces 39. When the bristle is mounted into the pad, both faces 39 face the same direction. The operation of the brush bristles 46 is identical with the previous described embodiments. - While square
cross-sectioned bristles 36 have been shown and described, wide blade bristles 36 as shown inFIG. 9 can be used withpad 32.Bristles 36 have a cross-section with a major and minor axis with the major axis being radially aligned about the center ofrotation 41 and transverse to the normal motion ofpad 32. The blade shaped bristles 36 while shown in four staggered sections can have a variety of configurations onpad 32. Thebristles 36 may also have an elliptical or oblong cross-sectional shape with the major axis in the same position as shown. A bristle with a circular cross-section is also usable for honing the concrete surface if the diameter exceeds ⅛″. - While a plastic matrix has been shown and described, the substrate may be made from steel such as steel wire or wire strips 36 as shown in
FIG. 11 withdiamond particles 38 brazed or electroplated thereon. - Another embodiment is shown in
FIG. 10 withdrum 34 mountingwide blades 36 about its periphery to provide scrub faces 39 to operate in similar fashion as described before. The brush may also be used as an aggressive abrader. For this use, narrower bristles may also be used. - In this fashion the use of diamond abrasive bristles becomes cost effective and provides for easy maintenance of a polished concrete or cement floor surface and provide honing of the floor during cleaning maintenance.
- Other variations and modifications are possible without departing from the scope and spirit of the present invention as defined by the appended claims.
Claims (31)
1. An abrasive cleaning device comprising:
a housing
a plurality of cleaning strips having a front abrasive face with a width and length;
said cleaning strips mounted to said housing such that the front abrasive face is aligned substantially transverse to the normal direction of motion of said housing;
said cleaning strips having a substrate and an abrasive material at the surface of said cleaning strips and secured to said substrate; and
the length of said cleaning strips being substantially greater than its thickness to provide flexibility of said cleaning strips.
2. An abrasive cleaning device as defined in claim 1 further comprising:
said abrasive material being hard abrasive particles being embedded in said substrate; and
said substrate is a plastic matrix.
3. An abrasive cleaning device as defined in claim 2 further comprising:
said plastic matrix being a high temperature plastic.
4. An abrasive cleaning device as defined in claim 1 further comprising:
said housing being a rotatable pad made for rotation about a central point; and
said cleaning strips having its front abrasive faces substantially radially aligned with the center of said pad.
5. An abrasive cleaning device as defined in claim 1 further comprising:
said housing being tubular and made for rotation about its major axis; and
said cleaning strips extend radially from said housing with the front abrasive faces co-aligned with the major axis.
6. (canceled)
7. (canceled)
8. (canceled)
9. (canceled)
10. (canceled)
11. (canceled)
12. (canceled)
13. (canceled)
14. An abrasive cleaning device comprising:
a housing;
a plurality of cleaning strips having a substrate with a mounting end mounted to said housing and a distal end with an abrasive material at the surface of said substrate and secured to said substrate;
the length of said cleaning strips being substantially greater than its thickness to provide flexibility of said cleaning strips; and
said cleaning strips in cross-section having a major axis and a minor axis with one of said axes positioned to be transverse to the normal motion of said housing.
15. An abrasive cleaning device as defined in claim 14 further comprising:
said major axis being positioned transversely to the normal motion of said housing.
16. An abrasive cleaning device as defined in claim 15 further comprising:
said housing being a rotatable pad made for rotation about a central point; and
said cleaning strips having their respective major axis substantially radially aligned with the center of said pad.
17. An abrasive cleaning device as defined in claim 16 further comprising:
said abrasive material comprising diamond particles having a brazed connection with said substrate.
18. An abrasive cleaning device as defined in claim 15 further comprising:
said abrasive material comprising diamond particles having a brazed connection with said substrate.
19. An abrasive cleaning device as defined in claim 18 further comprising:
said substrate being a metallic material
20. An abrasive cleaning device as defined in claim 15 further comprising:
said cleaning strips having a major and minor axis greater than 1/8 inch such that it is larger than the diameter of cement pores.
21. An abrasive cleaning device for a concrete surface comprising:
a brush with a plurality of resiliently flexible bristles having a major and minor axis larger than the pores of said concrete;
said brush having a scrub working surface with abrasive particles affixed thereto;
said brush having a flat edge at its distal end to scrape away dirt and residue; and
said brush providing a replenished scrub working surface as worn abrasive particles abrade from the scrub working surface and as the scrub working surface abrades away for honing the concrete surface.
22. (canceled)
23. (canceled)
24. An abrasive cleaning device as defined in claim 1 further comprising:
said front abrasive faces being substantially flat.
25. An abrasive cleaning device as defined in claim 15 further comprising:
said front abrasive faces being substantially flat.
26. An abrasive cleaning device as defined in claim 21 further comprising:
said scrub working surface being substantially flat and substantially transverse to the normal direction of motion of said cleaning device.
27. An abrasive cleaning device as defined in claim 1 further comprising:
said abrasive material at the surface of only the front abrasive face.
28. An abrasive cleaning device as defined in claim 24 further comprising:
said abrasive material at the surface of only the front abrasive face.
29. An abrasive cleaning device as defined in claim 15 further comprising:
said abrasive material at the surface of only the front abrasive face.
30. An abrasive cleaning device as defined in claim 25 further comprising:
said abrasive material at the surface of only the front abrasive face.
31. An abrasive cleaning device as defined in claim 26 further comprising:
said abrasive particles affixed only at said scrub working surface.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/851,393 US20050260940A1 (en) | 2004-05-21 | 2004-05-21 | Abrasive cleaning device |
US11/042,698 US7081047B2 (en) | 2004-05-21 | 2005-01-25 | Bristle brush for concrete sanding |
EP05752053.8A EP1755828B1 (en) | 2004-05-21 | 2005-05-20 | Abrasive cleaning device |
US11/660,623 US7988539B2 (en) | 2004-05-21 | 2005-05-20 | Abrasive cleaning device |
PCT/US2005/017849 WO2005113198A2 (en) | 2004-05-21 | 2005-05-20 | Abrasive cleaning device |
US11/358,593 US20070099549A1 (en) | 2004-05-21 | 2006-02-21 | Abrasive cleaning and honing device and method of honing concrete surfaces |
US13/361,698 US9102029B2 (en) | 2004-05-21 | 2012-01-30 | Low pressure polishing method and apparatus |
US14/788,823 US9776305B2 (en) | 2004-05-21 | 2015-07-01 | Low pressure polishing method and apparatus |
US14/788,825 US9492909B2 (en) | 2004-05-21 | 2015-07-01 | Low pressure polishing method and apparatus |
US14/788,824 US9796067B2 (en) | 2004-05-21 | 2015-07-01 | Low pressure polishing method and apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/851,393 US20050260940A1 (en) | 2004-05-21 | 2004-05-21 | Abrasive cleaning device |
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US11/042,698 Continuation-In-Part US7081047B2 (en) | 2004-05-21 | 2005-01-25 | Bristle brush for concrete sanding |
US12/427,413 Division US8105134B2 (en) | 2004-05-21 | 2009-04-21 | Low pressure polishing method and apparatus |
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US11/042,698 Continuation-In-Part US7081047B2 (en) | 2004-05-21 | 2005-01-25 | Bristle brush for concrete sanding |
US11/042,698 Continuation US7081047B2 (en) | 2004-05-21 | 2005-01-25 | Bristle brush for concrete sanding |
US11/358,593 Continuation-In-Part US20070099549A1 (en) | 2004-05-21 | 2006-02-21 | Abrasive cleaning and honing device and method of honing concrete surfaces |
US13/361,698 Continuation US9102029B2 (en) | 2004-05-21 | 2012-01-30 | Low pressure polishing method and apparatus |
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US14/788,824 Active US9796067B2 (en) | 2004-05-21 | 2015-07-01 | Low pressure polishing method and apparatus |
US14/788,825 Active US9492909B2 (en) | 2004-05-21 | 2015-07-01 | Low pressure polishing method and apparatus |
US14/788,823 Active US9776305B2 (en) | 2004-05-21 | 2015-07-01 | Low pressure polishing method and apparatus |
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US14/788,825 Active US9492909B2 (en) | 2004-05-21 | 2015-07-01 | Low pressure polishing method and apparatus |
US14/788,823 Active US9776305B2 (en) | 2004-05-21 | 2015-07-01 | Low pressure polishing method and apparatus |
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US9194189B2 (en) | 2011-09-19 | 2015-11-24 | Baker Hughes Incorporated | Methods of forming a cutting element for an earth-boring tool, a related cutting element, and an earth-boring tool including such a cutting element |
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US20150298294A1 (en) * | 2004-05-21 | 2015-10-22 | Diamabrush Llc | Low pressure polishing method and apparatus |
US9796067B2 (en) * | 2004-05-21 | 2017-10-24 | Diamabrush Llc | Low pressure polishing method and apparatus |
US9776305B2 (en) | 2004-05-21 | 2017-10-03 | Diamabrush Llc | Low pressure polishing method and apparatus |
US9492909B2 (en) * | 2004-05-21 | 2016-11-15 | Diamabrush Llc | Low pressure polishing method and apparatus |
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CN113613843A (en) * | 2018-11-05 | 2021-11-05 | 奥斯本有限责任公司 | Improved dual stringer rotating brush with offset conditioning brush tufts providing a combination of abrasive removal and surface finishing |
JP2020196095A (en) * | 2019-06-03 | 2020-12-10 | 株式会社ニートレックス本社 | Groove polishing body |
JP7285552B2 (en) | 2019-06-03 | 2023-06-02 | 株式会社ニートレックス本社 | Groove polishing body |
CN110405560A (en) * | 2019-08-15 | 2019-11-05 | 傲基科技股份有限公司 | Collection assembly of dust and wall surface grinding machine |
CN110900322A (en) * | 2019-12-23 | 2020-03-24 | 广东工业大学 | electro-Fenton cluster magnetorheological composite grinding and polishing device and method |
CN112372423A (en) * | 2020-11-03 | 2021-02-19 | 曾祥雄 | Corner burr cleaning device for machining motor housing |
Also Published As
Publication number | Publication date |
---|---|
US9776305B2 (en) | 2017-10-03 |
US9102029B2 (en) | 2015-08-11 |
US20130157548A1 (en) | 2013-06-20 |
US9796067B2 (en) | 2017-10-24 |
US20150298294A1 (en) | 2015-10-22 |
US20150298293A1 (en) | 2015-10-22 |
US20150306738A1 (en) | 2015-10-29 |
US9492909B2 (en) | 2016-11-15 |
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Legal Events
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Owner name: EPOXI-TECH, INC., MICHIGAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PALUSHAJ, SIMON;REEL/FRAME:015382/0580 Effective date: 20040521 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |