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Rotary cleaning device

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Publication number
US3067444A
US3067444A US83008559A US3067444A US 3067444 A US3067444 A US 3067444A US 83008559 A US83008559 A US 83008559A US 3067444 A US3067444 A US 3067444A
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Prior art keywords
rotary
assembly
webs
disks
car
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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.)
Expired - Lifetime
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Donald L Dickson
Rufus F Dickson
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Donald L Dickson
Rufus F Dickson
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    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B7/00Bristle carriers arranged in the brush body
    • A46B7/06Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement
    • A46B7/10Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement as a rotating cylinder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S3/00Vehicle cleaning apparatus not integral with vehicles
    • B60S3/04Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles
    • B60S3/06Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles with rotary bodies contacting the vehicle
    • B60S3/063Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles with rotary bodies contacting the vehicle the axis of rotation being approximately vertical
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B2200/00Brushes characterized by their functions, uses or applications
    • A46B2200/30Brushes for cleaning or polishing
    • A46B2200/3046Brushes for cleaning cars or parts thereof

Description

Dec. 11, 1962 D. l.. DlcKsoN ETAL 3,067,444

ROTARY CLEANING DEVICE Filed July 28. 1959 United States Patent i 3,067,444 ROTARY CLEANING DEVICE Donald L. Dickson, 1534 Midcrest Drive, Whittier, Calif.,

and Rufus F. Dickson, 838 W. 111th St., Los Angeles 44, Calif. Y

Filed July 28, 1959, SenNo. 830,085 6 Claims. (Cl. 15-97) 'I'his invention relates to a rotary cleaning device for cleaning the surface of an object by means of friction with or without the aid of a suitable liquid. While the invention is widely applicable for its purpose, it has been initially embodied in a rotary assembly to perform the function of a conventional rotary brush for washing automobiles. This particular practice of the invention has been selected for the present disclosure and will provide adequate guidance for those skilled in the art who may have occasion to apply the same principles to other specific purposes.

A conventional bristle-type rotary car washing brush serves its purpose effectively but nevertheless has certain disadvantages. One disadvantage is the relatively high cost of a bristle-type rotary brush. A closely related disadvantage is thatsuch a brush has a limited service life over which the high initial cost must be absorbed.

Another disadvantage is that the necessity of firmly securing the roots of the bristles makes it necessary to employ a relatively heavy mandrel or core structure. As a result, such a rotary brush has relatively high inertia. Inertia is an important consideration because the brush operates intermittently and commonly starts and stops two or three times a minute continuously throughout a day of normal operation. The consequent heavy starting load repeatedly imposed on the motor causes trouble and costly interruptions in operation.

A still further disadvantage of a bristle-type rotary car washing brush is that it may damage external devices that commonly protrude from automobile bodies. Only too often rearview mirrors mounted on the sides of automobile bodies are broken loose by rotary bristle-type brushes. VIt has also been found necessary to keep a conventional rotary bristle-type brush away from an automobile antenna lest such a brush become entangled with the antenna by wrapping action, pull the antenna loose, and then whip the car with the antenna. Because of these hazards, conventional rotary brushes commonly contact only portions of the sides and tops of automobiles, hand washing being necessary in the regions of side mirrors and in regions that are aligned with antennas.

The present invention is based on the concept of substituting a body of cellular plastic for the usual bristles of 3,067,444 Patented Dec. 1l, 1962 For durability, the cellular plastic material must be inert to withstand solvents and detergents. It must have adequate cohesion and tensile strength to withstand centrifugal force when heavily loaded with liquid. It must be wearresistant to withstand continuous peripheral friction.

Many cellular plastics have been considered but found wanting. For example, the material used for common cellulosic Sponges is of open construction but absorbs too much liquid because the walls of the cells absorb water.

Sponge rubber meets some of the requirements but is ruled out because it deteriorates rapidly by crumbling away when subjected to high speed friction.

A material that has been found to be completely satisfactory is cellular polyurethane, commonly called urethane foam. A suitable grade for the present purposeweighs approximately 3.8 pounds per cubic foot, is of open cell construction with non-absorbent cell walls and is capable of holding approximately three and one-half times its weight in water under static conditions. A lighter grade weighing only two pounds per cubic foot may be used but preferably is subjected to a temperature of 400 F. for one minute for greatly increased resiliencyand tensile strength.

Urethane foam has such a -high coefficient of friction that it is commonly used under throw rugs to prevent slippage. Urethane foam is also quite inexpensive com pared to conventional bristle-type rotary brushes. It is invulnerable to solvents and detergents. It has high c0- hesion and tensile strength to withstand the centrifugal forces created in car washing operations. It is so wear.- resistant that it will far outlas'tl any bristle-type rotary brush. v

A further important discovery is that a relatively thin rotating disk of urethane foam flutters in a desirable man-- ner when pressed edgevvise against a surface. This utter- .l ing action may be augmented by canting the urethane foam such a rotary brush. It has been found that this substitucellular plastic should cover effectively whatever width of y a car body it spans.

For use with water jets in the usual manner, thev cellular plastic must be permeable to liquid and capable of holding a substantial quantity of liquid. On the other hand, for low inertia, the cellular plastic should have low density and should not hold too rnuch liquid. For holding just the right amount of liquid, it has been found that the cells of the plastic should be open to receive liquid but the walls of the cells themselves should not be absorbent.

For economy, the cellular plastic must be relatively inexpensive and be durable to provide a long service life.

disk to a position slightly out of perpendicular to the axis of rotation. The fluttering action causes the rotating disk to rub an area that is of substantially greater width than the thickness of the disk. Apparently the fluctuation of the marginal portion results from an unstable conflict of opposing forces, including centrifugal force.

One advantage of the fluctuating action is the added frictional cleaning action. Another advantage -is that the lluttering action throws dislodged dirt particles away from the cleaning zone. v l Since a relatively thin disk of urethane foam cleans a surface wider than its thickness, a gang or stack of the disks with liberal spacing between the disks may be ernployed for thoroughcoverage of a surface as wideas the axial dimension of the stack of disks. The spacing of the successive disks lightens the rotary assembly. The aggregate Weight of the rotary assembly is so low. that starting torque is no longer a problem even when the urethanevfoam is loaded with its maximum quantity of liquid.

',In a rotary assembly of stacked urethane foam disks with liberal spacing between the individual disks', .the disks readily flex to pass around protuberances on auto mobile bodies, such as door handles, side mirrors and the like. The urethane foam is'so soft, especially when wet, that it exerts exceedingly low resistance to ilexure and is incapable of causing mechanical injury. p A rotary urethane foam assembly of this character may be used safely in the region of automobile antennas'since the character of the foamed plastic and the configuration of the assembly with the spacing between disks makes it practically impossible for an antenna to become entangled by the assembly. For the iirst time, it becomes possible to use an arrangement of rotary car washing assemblies that completely span the exterior surface of a car body. In such an arrangement, a horizontal overhead rotary brush assembly covers the full width of the car top and upright rotary washing assemblies on opposite sides of the car cover side zones that extend over the full height f the car and actually overlap the top zone.

The features and advantages of the invention may be understood by reference to the following detailed description together wtih the accompanying drawing.

In the drawing, which is to be regarded as merely illustrative:

FIG. 1 is a side elevational view of a rotary assembly of foam plastic disks in operation cleaning the side of an automobile;

FIG. 2 is a diagrammatic side elevational View illustratng one manner in which a foam plastic disk may fluctuate when forced edgewise against an object, the surface of which is to be cleaned;

FIG. 3 is a similar View showing another manner in which a foam plastic disk may uctuate; and

FIG. 4 is a. fragmentary side elevational view showing how the foamed plastic disks of an assembly may be canted away from positions normal to the axis of rotation of the assembly to favor or augment the desired fluttering action.

FIG. 1 shows a rotary assembly embodying the present invention for washing the side of an automobile as the automobile advances down the length of a wash rack. In a well-known manner, the rotary assembly is carried by a pivotally mounted yoke having an upper arm 16 and a lower arm 12. The rotary assembly is suitably journaled in the ends of the two arms 16 and 12 and is power driven in a well-known manner by transmission means concealed in one of the two arms. In a weilknown manner, the yoke having the two arms and 12 retractably contacts the side of the automobile. For this purpose, the yoke is controlled by a power cylinder (not shown) that is actuated by compressed air to cause the rotary assembly to exert pressure of predetermined magnitude against the side of the automobile. For example, the force with which the rotary assembly is pressed against the automobile may be in the range of six to ten pounds.

The rotary assembly comprises a stack of plastic disks mounted on a concealed upright shaft. The stack of disks preferably has an overall profile that approximates the general configuration of the side of a car.

In the construction shown in the drawing, the stack of foamed plastic disks includes a series of disks 14 of substantially uniform diameter separated by spacer collars 15 of the sarne foamed plastic. At each end of the series of uniform disks is a disk 16 of slightly larger diameter ianked by two spacer collars 18 and 20. Finally, at each end of the rotary assembly is a group of four foamed plastic disks positioned face to face including two inner disks 22 slightly larger in diameter than the disks 16 and including two outer disks 24 that are slightly larger in diameter than the disk 22. Finally, two outermost spacer collars 25 complete the assembly.

The diameters of the foamed plastic disks 14, 16, 22 and 24 may be in the range of twenty to thirty inches. The disks may be one inch thick and the spacer collars 15, 18, and 25 may be approximately one and onehalf inches thick. The upright shaft on which the disks and spacer collars are mounted and bonded by suitable adhesive may be approximately four inches in diameter. The rotary assembly may be driven at approximately 145 to 150 r.p.m. The usual nozzles are provided to spray a water solution of a suitable detergent onto the rotary assembly.

As heretofore stated, the urethane foam may be of a grade weighing 3.8 pounds per cubic foot or may be of a lighter grade weighing two pounds per cubic foot and heat cured by subjection to a temperature of approximately 400 F. for approximately one minute. The heat treating increases the resiliency and tensile strength of the urethane foam.

When the rotary assembly is pressed against the side of an automobile in the presence of the detergent, the various disks may fluctuate in the manner shown in FIG. 2. In FIG. 2, the disk is exed by edgewise pressure against the surface 26 and as it rotates it uctuates in the manner indicated, all of the fluctuation occurring on one side of the plane of the disk. A disk may also lluctuate in the manner indicated in FIG. 3, the range of oscillation of the margin of the disk extending in both directions from the plane of rotation of the disk. By virtue of such fluttering action, the periphery of each disk Wipes the automobile over a zone ywhich is substantially wider than the thickness of the disk.

It is because a disk tends to wipe a zone wider than its own thickness that the disks may be spaced apart in the rotary assembly by spacer collars without leaving any gaps in the coverage by the rotary assembly. The rubbing action is effective because of the texture of the foamed plastic, there being adequate friction to remove even tenacious particles in the presence of the detergent. It is a surprising fact that the rotary brush cleans the surface of an automobile so thoroughly and yet is so mild in its frictional contact with the automobile surface that a person may thrust his hand between the rotary assembly and the surface of the car without feeling painful discomfort.

If some protruding object is encountered, the foamed plastc disks of the assembly simply pass on opposite sides of the object. FIG. 1, for example, shows how the disks 22 and 24 ex to pass on opposite sides of a door handle 2S. In the same manner, the disks will iiex in a yielding manner to avoid damage to a side mirror on the car. A horizontally positioned overhead assembly may be employed in the same manner to clean the top of a car without any danger of the rotary assembly pulling on the radio antenna of a car.

The rotary assembly shown in FIG. l is of the same vertical extent as a conventional bristle-type rotary brush that is used for the same purpose. Bristle-type rotary brushes do not extend into the region of the car windows primarily because of the likelihood that side mirrors will :be damaged. A feature of the invention, however, is that rotary brush assemblies of the character shown in FIG. 1 may be used on opposite sides of the car and may be extended to cover the full height of the car with the upper foamed plastic disks of the assembly washing the side of the car above the rain gutter 30 of the car. A third horizontal rotary assembly may be employed at the same time to cover the roof of the car down to the rain gutter 30 so that the three rotary assemblies completely span the side and top surfaces of the car. The third rotary assembly will have its disks spaced apart in the regions of the car antennas.

FIG. 4 shows how a rotary assembly may be equipped with foamed plastic disks 32 separated by spacer collars 34 with the disks canted or inclined away from their planes of rotation. It has been found that canting a foamed plastic disk in this manner is highly conducive of the desired fluttering action shown in FIGS. 2 and 3 and especially favors the fluttering action shown in FIG. 3.

Our description in specific detail of the selected practice of the invention will suggest various changes, substitutions and other departures from our disclosure within the spirit and scope of the appended claims.

We claim:

1. A rotary wiper for use with a liquid detergent to clean the side of an automobile `body or like object while relative movement occurs between the object and the axis of the rotary wiper for traversing of the object by the rotary Wiper, comprising:

a power driven rotary support means mounted for rotation about an axis spaced from the object, said support means being movable laterally of its axis towards and away from said object, and

a plurality of circumferential webs of iiexible foamed plastic 4mounted on said support means and extending radially outward from said axis in planes nearer to perpendicular than to parallel to said axis, said Webs being thin relative to their radial dimension, the radial extent of said webs from said axis being greater than the distance of the object from said axis at the planes of the respective webs to cause marginal portions of the webs to be exed by the surface of the object, said webs being spaced apart axially to provide spaces between the successive webs to permit fiexure of the marginal portion of each web towards and away from the marginal portions of adjacent webs,

said support means being rotated at a rate to create substantial centrifugal force to create pressure by said marginal portions against the object and to cause the marginal portions to ex in a iluctuating manner for wiping action of the marginal portions against the surface of the object laterally f the planes of rotation of the webs.

2. A rotary wiper as set forth in claim 1 in which the diameters of said circumferential webs are on the order of twenty to thirty inches.

3. A rotary wiper as set forth in claim 1 in which the thickness of said circumferential webs is on the order of one and one-half inches.

4. A rotary wiper for use with a liquid detergent to clean the convex surface of an automobile body or like object while relative movement occurs between the object and the axis of the rotary wiper for traversing of the object by the rotary wiper, comprising:

a power driven rotary support means mounted for rotation about an axis spaced from the object, said support means being movable laterally of its axis towards and away from said object, and

a plurality of circumferential webs of flexible foamed plastic mounted on said support means and extending radially outward from said axis in planes nearer to perpendicular than to parallel to said axis, said Webs being thin relative to their radial dimension, the radial extent of said webs from said axis being greater than the distance of the object from said axis at the planes of the respective webs to cause marginal portions of the webs to be flexed by the surface of the object, said webs being spaced apart axially to provide spaces between the successive webs to permit exure of the marginal portion of each web towards and away from the marginal portions of adjacent webs,

said support means being rotated at a rate to create substantial centrifugal force to create pressure by said marginal portions against the object and to cause the marginal portions to ilex in a fluctuating manner for wiping action of the marginal portions against the surface of the object laterally of the planes of rotation of the webs,

said webs differing in radial extent to provide a concave overall profile of the series of webs conforming generally to the convex coniiguration of the surface of the object, the central webs of said series of circumferential webs being spaced apart by distances at least as great as the thicknesses of the webs.

5. A combination as set forth in claim 4 which includes an additional group 4of webs at each end of said series, the Webs of each of said groups being close together without substantial spacing to reinforce each other.

6. A combination as set forth in claim 4 which includes' an additional group of webs at each end of said series, the webs of each of said groups being close together Without substantial spacing to reinforce each other,

the diameter of said circumferential webs being on the order of 20 to 30 inches and the webs of said series being spaced apart by distances at least as great as the thickness of the webs.

References Cited in the file of this patent UNITED STATES PATENTS 1,775,186 Bartling Sept. 9, 1930 2,407,408 Erickson Sept. l0, 1946 2,637,054 Holmes May 5, 1953 2,646,586 Foutes July 28, 1953 2,672,635 Glauser Mar. 23, 1954 FOREIGN PATENTS 291,675 Great Britain June 7, 1928 1,006,829 Germany Apr. 25, 1957 OTHER REFERENCES British Plastics, page 8, January 1956,

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235940A (en) * 1964-01-10 1966-02-22 Eastman Kodak Co Paper sheet-feed roller
US3317944A (en) * 1965-12-15 1967-05-09 Maurice A Napier Multi-purpose sponge brush
US3336622A (en) * 1964-03-20 1967-08-22 Kullwitz Georg Von Cleaning device for motor vehicles for the automatic cleaning of motor cars
US3640029A (en) * 1970-02-16 1972-02-08 Avedis Zildjian Avedis Co Method of buffing a metal percussion instrument
US3789449A (en) * 1972-06-21 1974-02-05 Scott & Fetzer Co Hard surface floor cleaner
WO1979000057A1 (en) * 1977-07-22 1979-02-08 F Heymann Device for machining the surface of workpieces having irregular contours
EP0247269A1 (en) * 1986-05-28 1987-12-02 FAVAGROSSA EDOARDO & FIGLIO A rotary brush for a motor vehicle washing installation
US4967440A (en) * 1988-06-21 1990-11-06 Belanger, Inc. Rotary cloth roll assembly
US5127123A (en) * 1987-06-29 1992-07-07 Belanger, Inc. Rotary cloth roll assembly
EP0826325A2 (en) * 1996-08-27 1998-03-04 WESUMAT Fahrzeugwaschanlagen GmbH Cylinder brush for automatic car washing systems
US5784748A (en) * 1996-04-29 1998-07-28 Belanger, Inc. Vehicle laundry implement and replaceable cloth elements for use therewith
EP0875171A1 (en) * 1997-05-02 1998-11-04 Wesumat Fahrzeugwaschanlagen GmbH Work roll, in particular washing brush for car wash
DE19818499C2 (en) * 1997-05-02 1999-09-02 Wesumat Gmbh Stripper, in particular washing roller for vehicle washing facilities
US6026529A (en) * 1995-06-07 2000-02-22 Caruso; Steven Jerome Automated rotary mopping, waxing, and light sweeping systems
US20040173242A1 (en) * 2003-03-03 2004-09-09 Ballard Martha J. Vehicle surface preparation apparatus
US7219385B1 (en) * 2003-04-04 2007-05-22 Rietsch Jr Gilbert J Brush and method for car wash
WO2011144855A1 (en) * 2010-05-21 2011-11-24 Tunnel De Lavage Roller for a roll-over wash unit and roll-over wash unit comprising such rollers
US20120090540A1 (en) * 2008-04-04 2012-04-19 Belanger, Inc. Automotive tire dressing applicator
EP3205232A1 (en) * 2016-02-12 2017-08-16 S.I.T. Societa' Italiana Tecnospazzole S.p.A. Circular brush

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB291675A (en) * 1927-11-03 1928-06-07 Hannah Chisholm Fraser A device for use in cleaning hollow ware, particularly milk bottles
US1775186A (en) * 1925-12-16 1930-09-09 Sewall Paint & Varnish Company Rubbing machine
US2407408A (en) * 1943-09-18 1946-09-10 Carl E Erickson Carpet and rug cleaning machine
US2637054A (en) * 1949-03-02 1953-05-05 Whiting Corp Rotary brush type apparatus for washing roofs of railway cars and other vehicles
US2646586A (en) * 1951-08-03 1953-07-28 David A Foutes Self-propelled automobile washing machine
US2672635A (en) * 1947-06-20 1954-03-23 Glauser Jean Maurice Boot polishing machine
DE1006829B (en) * 1954-01-08 1957-04-25 Kullenbuersten Kullen & Co K G Brush, in particular wire brush, and methods of making the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1775186A (en) * 1925-12-16 1930-09-09 Sewall Paint & Varnish Company Rubbing machine
GB291675A (en) * 1927-11-03 1928-06-07 Hannah Chisholm Fraser A device for use in cleaning hollow ware, particularly milk bottles
US2407408A (en) * 1943-09-18 1946-09-10 Carl E Erickson Carpet and rug cleaning machine
US2672635A (en) * 1947-06-20 1954-03-23 Glauser Jean Maurice Boot polishing machine
US2637054A (en) * 1949-03-02 1953-05-05 Whiting Corp Rotary brush type apparatus for washing roofs of railway cars and other vehicles
US2646586A (en) * 1951-08-03 1953-07-28 David A Foutes Self-propelled automobile washing machine
DE1006829B (en) * 1954-01-08 1957-04-25 Kullenbuersten Kullen & Co K G Brush, in particular wire brush, and methods of making the same

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235940A (en) * 1964-01-10 1966-02-22 Eastman Kodak Co Paper sheet-feed roller
US3336622A (en) * 1964-03-20 1967-08-22 Kullwitz Georg Von Cleaning device for motor vehicles for the automatic cleaning of motor cars
US3317944A (en) * 1965-12-15 1967-05-09 Maurice A Napier Multi-purpose sponge brush
US3640029A (en) * 1970-02-16 1972-02-08 Avedis Zildjian Avedis Co Method of buffing a metal percussion instrument
US3789449A (en) * 1972-06-21 1974-02-05 Scott & Fetzer Co Hard surface floor cleaner
WO1979000057A1 (en) * 1977-07-22 1979-02-08 F Heymann Device for machining the surface of workpieces having irregular contours
EP0247269A1 (en) * 1986-05-28 1987-12-02 FAVAGROSSA EDOARDO & FIGLIO A rotary brush for a motor vehicle washing installation
US5127123A (en) * 1987-06-29 1992-07-07 Belanger, Inc. Rotary cloth roll assembly
US4967440A (en) * 1988-06-21 1990-11-06 Belanger, Inc. Rotary cloth roll assembly
US6266838B1 (en) 1995-06-07 2001-07-31 Steven Jerome Caruso Automated rotary mopping, waxing, and light sweeping systems
US6026529A (en) * 1995-06-07 2000-02-22 Caruso; Steven Jerome Automated rotary mopping, waxing, and light sweeping systems
US5784748A (en) * 1996-04-29 1998-07-28 Belanger, Inc. Vehicle laundry implement and replaceable cloth elements for use therewith
DE19634545C1 (en) * 1996-08-27 1998-04-16 Wesumat Gmbh Washing or polishing roller for vehicle washing facilities
EP0826325A3 (en) * 1996-08-27 1999-05-12 WESUMAT Fahrzeugwaschanlagen GmbH Cylinder brush for automatic car washing systems
EP0826325A2 (en) * 1996-08-27 1998-03-04 WESUMAT Fahrzeugwaschanlagen GmbH Cylinder brush for automatic car washing systems
EP0875171A1 (en) * 1997-05-02 1998-11-04 Wesumat Fahrzeugwaschanlagen GmbH Work roll, in particular washing brush for car wash
DE19818499C2 (en) * 1997-05-02 1999-09-02 Wesumat Gmbh Stripper, in particular washing roller for vehicle washing facilities
DE19718589C2 (en) * 1997-05-02 1999-11-04 Wesumat Gmbh Stripper, in particular washing roller for vehicle washing facilities
DE19718589A1 (en) * 1997-05-02 1998-11-05 Wesumat Gmbh Stripper, in particular washing roller for vehicle washing facilities
US20040173242A1 (en) * 2003-03-03 2004-09-09 Ballard Martha J. Vehicle surface preparation apparatus
US7318245B2 (en) 2003-03-03 2008-01-15 Toyota Motor Manufacturing North America, Inc. Vehicle surface preparation apparatus
US7219385B1 (en) * 2003-04-04 2007-05-22 Rietsch Jr Gilbert J Brush and method for car wash
US20120090540A1 (en) * 2008-04-04 2012-04-19 Belanger, Inc. Automotive tire dressing applicator
US8601972B2 (en) * 2008-04-04 2013-12-10 Belanger, Inc. Automotive tire dressing applicator
WO2011144855A1 (en) * 2010-05-21 2011-11-24 Tunnel De Lavage Roller for a roll-over wash unit and roll-over wash unit comprising such rollers
FR2960199A1 (en) * 2010-05-21 2011-11-25 Tunnel De Lavage washing gantry roll and washing gantry team such rollers
EP3205232A1 (en) * 2016-02-12 2017-08-16 S.I.T. Societa' Italiana Tecnospazzole S.p.A. Circular brush

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