US3188674A - Rotary tube end cleaner - Google Patents

Rotary tube end cleaner Download PDF

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Publication number
US3188674A
US3188674A US317206A US31720663A US3188674A US 3188674 A US3188674 A US 3188674A US 317206 A US317206 A US 317206A US 31720663 A US31720663 A US 31720663A US 3188674 A US3188674 A US 3188674A
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US
United States
Prior art keywords
sleeve
brush
housing
engaged
bristles
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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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US317206A
Inventor
Riley L Hobbs
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Riley L Hobbs
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Priority to US317206A priority Critical patent/US3188674A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/021Cleaning pipe ends or pipe fittings, e.g. before soldering
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B7/00Bristle carriers arranged in the brush body
    • A46B7/04Bristle carriers arranged in the brush body interchangeably removable bristle carriers

Description

Filed Oct. 18, 1963 "0111111454, l "'fi,
INVENTOR.
Ho 55 s,
P/LEY FIG.
FIG. 6.
Griflin, Ga. Filed Get. 18, 1963, Ser. No. 317,206 -6Clain1s. (Cl. 15-179) This invention relates toa novel rotary cleaner for the exteriors of ends of tubes, preparatory to soldering, brazing, and similar operations.
The primary Vobject .of the invention is the provision of a more eicient, faster-working, and longer life device of the kind indicated. Another object of the invention is the provision of a simple and economical, electric drill operated device of the character indicated above, which involves the use of a circular resilient wire brush which is readily replaceable when worn, and adjusting means for contracting the brush, as wear thereof occurs and its bristles shorten, so that the brush does not require replacement until its bristles are substantially used up.
Other important objects and advantageous features of the invention will be apparent from the following description and the accompanying drawings, wherein, for purposes of illustration only, a specic form of the invention is set forth in detail.
In the drawings:
FIGURE 1 is a schematic perspective View, showing a device ofthe present invention chucked in an electric drill, preparatory to application of the device to a tube end;
FIGURE 2 is an enlarged longitudinal section taken on the line 2-2 of FIGURE l;
FIGURE 3 is a front end elevation of the device;
FIGURE 4 is a transverse section taken on the line 4 4 of FIGURE 3;
FIGURE 5 is a perspective view of the wire brush in uncoiled condition;
FIGURE 6 is an enlarged transverse vertical section taken on the line 6 6 of FIGURE 5 FIGURE 7 is a fragmentary vertical transverse section taken on the line 7-7 of FIGURE 6.
Referring in detail to the drawings, the illustrated device, generally designated 10, comprises a hollow rigid cylindrical housing 12 closed, at its rear end, by a back wall 14, and having an open forward end 16. An axial shank 18 is xed to and extends rearwardly from the back wall 14, for engagement in the chuck 20 of an electric drill 22, or the equivalent.
The side wall 24 of the housing 12 is formed with opposed enlargements 26, midway between its ends, which are formed with radial threaded bores 28, which extend also through the side wall 24, and accept wire-brush adjusting screws 30, having rounded inner ends 32.
The inner ends 32 of the screws 30 seat in recesses 34 in a split resilient compressible sleeve 36, of substantially the same inside length as the housing 12, and which normally bears against the inner surface of the side wall 24 of the housing, with the free edges 38 of the sleeve separated at maximum distance from each other, as shown in FIGURE 4, while the sleeve is under minimal compression. The sleeve edges 38 have inwardly extending anges 39 thereon.
An elongated wire brush 40, which is originally in a fiat rectangular form, as shown in FIGURE 5, comprises a iiexible backing 42, as of cloth or other suitable material, from one side of which extend wire bristles 44. The brush 40 is substantially as wide as the length of the sleeve 36, and has free ends 46, which are separated from each other, when the brush is coiled and is inserted within the sleeve 36, under compression, so that its backing 42 makes frictional contact with the inner surface of the sleeve, which `United States Patent 0 3,188,674 Patented June 15, 1965 resists rotation of the brush relative to the sleeve. As shown in FIGURE 4, the ends 46 of the brush 40 are preferably arranged opposite to the edges 38 of the sleeve, so as to eliminate a gap at this location.
As shown in FIGURES 4 to 7, the bristles 44 are provided in units of two adjacent bristles, which are connected, at their inner ends, by cross members 41, the bristles being passed inwardly `through the backing 42, with the cross members engaged with the `outer surface of the backing, crosswise of the backing.
Each bristle 44 is composed of an inner portion 43, which, as shown in FIGURE 7, is angled away from the direction of rotation of the brush 40,and an outer portion 45 which is angled toward the direction of rotation of the brush, as indicated by arrows lin FIGURES 4 and 7. The engagement of the tips 47 lof the bristles 44, with the work, at a retreating angle, makes for more -consistent and uniform contact with the work and more eifective cleaning action.
The housing 12 is externally threaded, at its forward end, as indicated at 48, to receive the threaded ange 50 of a cap 52, which serves as a retainer for the sleeve 36 and the wire brush 40, and also as a centering guide for the end of a tube T to be cleaned. The cap has an annular web 54, formed with an axial opening 56 whose edge serves to center a tube T inserted into the brush 40.
In use and operation, the device 10 having been chucked in a drill 22, with either or both the drill and the tube held stationary, the drill is energized so that the device is is inserted, relative to the tube, and the brush 40 acts to clean the outer surface of the tube. The length of the housing 12, and of the brush 40 can, if desired, be predetermined, so that when the tube is inserted and its end engages the back wall 14 of the housing 12, the length of the cleaned are of the tube is predetermined.
As the brush bristles wear down, the screws 30 are adapted to be threaded inwardly, so as to compress and contract the sleeve 36, and hence the brush 40, to the degree necessary to reestablish full contact of the bristles 44 with the work.
The brush 40 is quickly and easily replaceable, when worn down, simply by screwing off the cap 52 and pulling the brush out of the sleeve 36, with the screw 30 backed out, and installing another brush.
Although there has been shown and described a preferred form of the invention, it is to be understood that the invention is not necessarily confined thereto, and that any changes in the structure of and in the relative arrangements of components thereof are contemplated as being within the scope of the invention as dened by the claims appended hereto.
What is claimed is:
1. A device of the character described, comprising a hollow cylindrical housing having a back wall, a side wall and an open forward end, a resilient split sleeve engaged in the housing, sleeve compressing screws threaded through said side wall and engaged with the sleeve, and a resilient tubular split brush engaged in the sleeve and having lfrictional contact therewith.
2. The device of claim 1, wherein said back Wall is formed with an axial rearwardly extending shank for seeurement in the chuck of a rotary member.
3. The device of claim 1, wherein said housing is eX- ternally threaded to its forward end, and a cap has a threaded flange threaded thereon, said cap having a web formed with an axial opening affording a circular guide edge for a tube inserted through the opening and into the brush.
4. The device of claim 1, wherein said brush has a flexible backing having wire bristles on its inward side.
5. A device of the character described comprising a 3 1 tubular housing having an open and a closed end and a side wall having a cylindrical inner surface, a resilient split sleeve engaged `in the housing, a split tubular brush conformably engaged in the sleeve, said brush comprising a flexible backingfrorn whose inner surfacewire bristles project, said sleeve andsaid backing having free ends, and inwardly-extending anges on the lfree ends of thesleeve, the free ends of the backing lbeing engaged with the 6. A device of the character describedv comprising a ,tubular housing having anvopen anda closed end and a sidewall having a cylindrical;inner surface, a resilient ,splitmsleeve engaged in the-housing, a split tubular b rush conformably engaged in theY sleeve, said brush comprising flexible backing from whose inner 4surface Wire .bristlesv project, said sleeve and said backing having free ends, andY inwardly-extending flanges o n the ,free ends of 'the sleeve, the free ends of` thebacking being Vengaged Vwith the flanges, and opposed adjustingV screws threaded through Y .the side wall of the housing and engage the exterior of the lsleeve.
in which the inner ends `of the screws are engaged.
References Cited by the Examiner UNITED STATES PATENTS 490,682 1/93 Roemer.v 602,193 4*/98 Neuert n--- 15-160 753,970V V3/04 l Foster; Y 981,417# 1/11 Halsey et al.` 1,600,368 9/26 skogiund 15-160 1,710,1271 4/29 Vaughny 15-160 X 1,717,554 v 6/29 Fraserf 51-73 `.1,791,603 2/31 Rennie f 15-21.1 X 2,179,465 11/39 Blazek 5173.1 X 2,202,215 n 5/40 Lutz 15-186 3,088,150 V5/,63V Sweeney 15-184 X Y FOREIGN PATENTS 1,044,356 6/53 France.
699,027 11/40 Germany. 87,803 7/ 96 Germany.
CHARLES A. WILLMUTH, Prmry Examiner.

Claims (1)

1. A DEVICE OF THE CHARACTER DESCRIBED, COMPRISING A HOLLOW CYLINDRICAL HOUSING HAVING A BACK WALL, A SIDE WALL AND AN OPEN FORWARD END, A RESILIENT SPLIT SLEEVE ENGAGED IN THE HOUSING, SLEEVE COMPRESSING SCREWS THREADED THROUGH SAID SIDE WALL AND ENGAGED WITH THE SLEEVE, AND A RESILIENT TUBULAR SPLIT BRUSH ENGAGED IN THE SLEEVE AND HAVING FRICTIONAL CONTACT THEREWITH.
US317206A 1963-10-18 1963-10-18 Rotary tube end cleaner Expired - Lifetime US3188674A (en)

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Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335526A (en) * 1965-01-21 1967-08-15 Koppers Co Inc Pipe scarfing tool
US3579925A (en) * 1968-12-02 1971-05-25 Norton Co Abrasive wheel
US3634982A (en) * 1970-09-03 1972-01-18 Robert W Martin Abrasive handtool
US3722146A (en) * 1971-03-02 1973-03-27 L Rodriguez Device for sharpening the tapered points of dental instruments
US3946456A (en) * 1974-03-13 1976-03-30 Milbar Corporation Battery terminal cleaner
US3990623A (en) * 1975-03-28 1976-11-09 Fortune William S Holder system for soldering instrument
US4198736A (en) * 1975-10-02 1980-04-22 General Battery Corporation Automated burnishing apparatus and method for burnishing the terminal posts of lead-acid batteries
US4301567A (en) * 1980-05-23 1981-11-24 Tucker Walter R Rotary terminal cleaner
US4341537A (en) * 1981-04-08 1982-07-27 Honeywell Inc. Shorting and test mechanism for electrostatic air cleaner
US4417487A (en) * 1982-01-15 1983-11-29 Stephens Vernon E Tool for cleaning or changing mig-contact-tips
EP0311748A2 (en) * 1987-10-15 1989-04-19 General Electric Company Method for replacing a section of tubing
US4862549A (en) * 1988-08-05 1989-09-05 Criswell Gerald W Pipe preparation device for soldering or brazing
US4887508A (en) * 1988-07-18 1989-12-19 Rodolfo Bianco Cleaning and polishing tool
US4968379A (en) * 1988-05-25 1990-11-06 Pacific Device, Inc. Apparatus for uniformly wetting a curvilinear surface
US5038525A (en) * 1990-03-29 1991-08-13 Gardner David E Pipe polishing apparatus and method
US5056265A (en) * 1990-02-27 1991-10-15 Hurst Richard H Tube end abrading tool
US5149912A (en) * 1987-07-20 1992-09-22 Standard Fusee Corporation Method and apparatus for assembling a fusee and wire support stand
US5168660A (en) * 1992-06-12 1992-12-08 Smith Raymond A Tubing abrasive cleaning device
US5191670A (en) * 1991-12-30 1993-03-09 Lake Ron W Fork scrubber
US5307534A (en) * 1993-02-08 1994-05-03 Miller Richard P Portable rotary copper pipe cleaner
US5515571A (en) * 1993-03-30 1996-05-14 Hose-Mccann Telephone Co., Inc. Jack nose cleaning tool for sound powered telephone equipment
US5564972A (en) * 1994-09-21 1996-10-15 Engis Corporation Outside diameter finishing tool
US5566416A (en) * 1995-08-30 1996-10-22 Schaefer Brush Manufacturing Company, Inc. Two-in-one brush
US5653628A (en) * 1995-01-04 1997-08-05 Coronet-Werke Gmbh Device for rounding the ends of plastic bristles
US5810021A (en) * 1996-05-20 1998-09-22 Walker; Alvin M. Nail polish remover device
US5946757A (en) * 1997-03-06 1999-09-07 Oliveira; Paul L 360° thread cleaner
US6553601B1 (en) * 1999-09-21 2003-04-29 Michael R. Major Pipe and cleaning device
US6561888B2 (en) * 2001-03-20 2003-05-13 Accu-Cut Diamond Tool Company, Inc. Tool for sizing an O.D. surface of a cylindrical workpiece
US6564417B2 (en) 2001-01-04 2003-05-20 Aqua Products, Inc. Cylindrical brush with locking pin
US20030172481A1 (en) * 2002-03-18 2003-09-18 Victor Yehia Tube end preparation tool
US20040031112A1 (en) * 2002-08-19 2004-02-19 Saurer James M. Bolt cleaning system
US6769151B1 (en) * 2003-03-18 2004-08-03 Yu-Ching Lin Scarifying and deburring tool
US20040226576A1 (en) * 2003-05-12 2004-11-18 Martin Hambalek In-situ landing light cleaning apparatus
US20040255414A1 (en) * 2003-06-20 2004-12-23 Tulipana Charles A. Double-ended driver with inner and outer pipe-cleaning attachments
US20060112506A1 (en) * 2004-12-01 2006-06-01 Kerri Smart Wheel stud cleaning device
US7124882B1 (en) 2004-01-20 2006-10-24 Emyr Jadydy Pipe cleaning kit
US20090038090A1 (en) * 2007-08-09 2009-02-12 Fci Americas Technology, Inc. Hand-held electrical conductor cleaning apparatus
US20090235470A1 (en) * 2008-02-11 2009-09-24 James Moisides One peice plastic cylindrical housing with extended shaft for high speed rotation of a wire brush insert
US20110005012A1 (en) * 2009-07-08 2011-01-13 Le Blanc Joseph Roger Rotary brush attachment
US20110045746A1 (en) * 2009-08-18 2011-02-24 Emerson Electric Co. Preparation tools for pipe ends and related methods
JP2013043237A (en) * 2011-08-23 2013-03-04 Sakata Seisakusho:Kk Rust removing tool for bolt and nut
CN104617465A (en) * 2014-12-31 2015-05-13 东莞市瀛通电线有限公司 Semi-automatic plug cleaning device
US20150183075A1 (en) * 2013-08-01 2015-07-02 Hammer Electric Power Tools Co., Ltd. External circular polisher with double polishing wheels
US9332826B2 (en) 2014-07-09 2016-05-10 Ricky Spillman, JR. Cleaning device
US9974382B2 (en) * 2016-03-24 2018-05-22 Yu-Ching Lin Cleaning brush assembly
US10507569B1 (en) * 2017-10-31 2019-12-17 Michael Marotta Pipe-cleaning attachment
WO2020086565A1 (en) * 2018-10-22 2020-04-30 Grove Lawrence W Outer diameter cleaning and sanding drill attachment
US10799970B2 (en) 2018-08-28 2020-10-13 Raytheon Company Rotary cleaning tool
EP3771076A1 (en) * 2019-07-23 2021-01-27 ANSALDO ENERGIA S.p.A. Portable device and method for cleaning a generator conductor, in particular a turbo-generator conductor

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE87803C (en) *
US490682A (en) * 1893-01-31 Apparatus for polishing the caps of bottles
US602193A (en) * 1898-04-12 Brush
US753970A (en) * 1903-06-04 1904-03-08 Foster Brush Mfg Company Nap-restoring device.
US981417A (en) * 1910-09-30 1911-01-10 William Gurden Halsey Apparatus for grinding and polishing tubular articles, &c.
US1600368A (en) * 1925-12-14 1926-09-21 Joseph A Skoglund Brush
US1710127A (en) * 1928-03-24 1929-04-23 Versal V Vaughn Battery-connecter-cleaning device
US1717554A (en) * 1926-01-21 1929-06-18 Dixie E Tiller Plug-polishing device
US1791603A (en) * 1929-04-15 1931-02-10 Rennie William Howard Can-washing machine
US2179465A (en) * 1938-12-09 1939-11-07 Lempco Products Inc Grinding tool
US2202215A (en) * 1937-04-30 1940-05-28 Firm H F Baumann Mech Kratzenf Hand carding tool
DE699027C (en) * 1939-03-30 1940-11-21 Pleiger Maschf Paul Cleaning device for cylindrical shafts or tenons of drill insertion ends
FR1044356A (en) * 1951-10-31 1953-11-17 Tire cleaning brush
US3088150A (en) * 1960-08-18 1963-05-07 A J Rose Mfg Co Battery terminal and cable cleaning brush

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE87803C (en) *
US490682A (en) * 1893-01-31 Apparatus for polishing the caps of bottles
US602193A (en) * 1898-04-12 Brush
US753970A (en) * 1903-06-04 1904-03-08 Foster Brush Mfg Company Nap-restoring device.
US981417A (en) * 1910-09-30 1911-01-10 William Gurden Halsey Apparatus for grinding and polishing tubular articles, &c.
US1600368A (en) * 1925-12-14 1926-09-21 Joseph A Skoglund Brush
US1717554A (en) * 1926-01-21 1929-06-18 Dixie E Tiller Plug-polishing device
US1710127A (en) * 1928-03-24 1929-04-23 Versal V Vaughn Battery-connecter-cleaning device
US1791603A (en) * 1929-04-15 1931-02-10 Rennie William Howard Can-washing machine
US2202215A (en) * 1937-04-30 1940-05-28 Firm H F Baumann Mech Kratzenf Hand carding tool
US2179465A (en) * 1938-12-09 1939-11-07 Lempco Products Inc Grinding tool
DE699027C (en) * 1939-03-30 1940-11-21 Pleiger Maschf Paul Cleaning device for cylindrical shafts or tenons of drill insertion ends
FR1044356A (en) * 1951-10-31 1953-11-17 Tire cleaning brush
US3088150A (en) * 1960-08-18 1963-05-07 A J Rose Mfg Co Battery terminal and cable cleaning brush

Cited By (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335526A (en) * 1965-01-21 1967-08-15 Koppers Co Inc Pipe scarfing tool
US3579925A (en) * 1968-12-02 1971-05-25 Norton Co Abrasive wheel
US3634982A (en) * 1970-09-03 1972-01-18 Robert W Martin Abrasive handtool
US3722146A (en) * 1971-03-02 1973-03-27 L Rodriguez Device for sharpening the tapered points of dental instruments
US3946456A (en) * 1974-03-13 1976-03-30 Milbar Corporation Battery terminal cleaner
US3990623A (en) * 1975-03-28 1976-11-09 Fortune William S Holder system for soldering instrument
US4198736A (en) * 1975-10-02 1980-04-22 General Battery Corporation Automated burnishing apparatus and method for burnishing the terminal posts of lead-acid batteries
US4301567A (en) * 1980-05-23 1981-11-24 Tucker Walter R Rotary terminal cleaner
US4341537A (en) * 1981-04-08 1982-07-27 Honeywell Inc. Shorting and test mechanism for electrostatic air cleaner
US4417487A (en) * 1982-01-15 1983-11-29 Stephens Vernon E Tool for cleaning or changing mig-contact-tips
US5149912A (en) * 1987-07-20 1992-09-22 Standard Fusee Corporation Method and apparatus for assembling a fusee and wire support stand
EP0311748A2 (en) * 1987-10-15 1989-04-19 General Electric Company Method for replacing a section of tubing
US4844322A (en) * 1987-10-15 1989-07-04 General Electric Company Method for replacing a section of tubing
EP0311748A3 (en) * 1987-10-15 1991-03-06 General Electric Company Method for replacing a section of tubing
US4968379A (en) * 1988-05-25 1990-11-06 Pacific Device, Inc. Apparatus for uniformly wetting a curvilinear surface
US4887508A (en) * 1988-07-18 1989-12-19 Rodolfo Bianco Cleaning and polishing tool
US4862549A (en) * 1988-08-05 1989-09-05 Criswell Gerald W Pipe preparation device for soldering or brazing
US5056265A (en) * 1990-02-27 1991-10-15 Hurst Richard H Tube end abrading tool
US5038525A (en) * 1990-03-29 1991-08-13 Gardner David E Pipe polishing apparatus and method
US5191670A (en) * 1991-12-30 1993-03-09 Lake Ron W Fork scrubber
US5168660A (en) * 1992-06-12 1992-12-08 Smith Raymond A Tubing abrasive cleaning device
US5307534A (en) * 1993-02-08 1994-05-03 Miller Richard P Portable rotary copper pipe cleaner
US5515571A (en) * 1993-03-30 1996-05-14 Hose-Mccann Telephone Co., Inc. Jack nose cleaning tool for sound powered telephone equipment
US5564972A (en) * 1994-09-21 1996-10-15 Engis Corporation Outside diameter finishing tool
US5846126A (en) * 1994-09-21 1998-12-08 Engis Corporation Outside diameter finishing tool and method of making the same
US5653628A (en) * 1995-01-04 1997-08-05 Coronet-Werke Gmbh Device for rounding the ends of plastic bristles
US5566416A (en) * 1995-08-30 1996-10-22 Schaefer Brush Manufacturing Company, Inc. Two-in-one brush
US5810021A (en) * 1996-05-20 1998-09-22 Walker; Alvin M. Nail polish remover device
US5946757A (en) * 1997-03-06 1999-09-07 Oliveira; Paul L 360° thread cleaner
US6553601B1 (en) * 1999-09-21 2003-04-29 Michael R. Major Pipe and cleaning device
US6564417B2 (en) 2001-01-04 2003-05-20 Aqua Products, Inc. Cylindrical brush with locking pin
US6561888B2 (en) * 2001-03-20 2003-05-13 Accu-Cut Diamond Tool Company, Inc. Tool for sizing an O.D. surface of a cylindrical workpiece
US20030172481A1 (en) * 2002-03-18 2003-09-18 Victor Yehia Tube end preparation tool
US6983508B2 (en) 2002-08-19 2006-01-10 Saurer James M Bolt cleaning system
US20040031112A1 (en) * 2002-08-19 2004-02-19 Saurer James M. Bolt cleaning system
WO2004056499A1 (en) * 2002-12-23 2004-07-08 Copper Key International Ltd. Tube end preparation tool
US6769151B1 (en) * 2003-03-18 2004-08-03 Yu-Ching Lin Scarifying and deburring tool
US20040226576A1 (en) * 2003-05-12 2004-11-18 Martin Hambalek In-situ landing light cleaning apparatus
US20040255414A1 (en) * 2003-06-20 2004-12-23 Tulipana Charles A. Double-ended driver with inner and outer pipe-cleaning attachments
US7124882B1 (en) 2004-01-20 2006-10-24 Emyr Jadydy Pipe cleaning kit
US20060112506A1 (en) * 2004-12-01 2006-06-01 Kerri Smart Wheel stud cleaning device
US20090038090A1 (en) * 2007-08-09 2009-02-12 Fci Americas Technology, Inc. Hand-held electrical conductor cleaning apparatus
US8069521B2 (en) * 2007-08-09 2011-12-06 Hubbell Incorporated Hand-held electrical conductor cleaning apparatus
US20090235470A1 (en) * 2008-02-11 2009-09-24 James Moisides One peice plastic cylindrical housing with extended shaft for high speed rotation of a wire brush insert
EP2272597A3 (en) * 2009-07-08 2013-05-22 Joseph Roger Le Blanc Rotary brush attachment
US20110005012A1 (en) * 2009-07-08 2011-01-13 Le Blanc Joseph Roger Rotary brush attachment
US9216439B2 (en) 2009-07-08 2015-12-22 Joseph Roger LE BLANC Rotary brush attachment
US8613642B2 (en) 2009-08-18 2013-12-24 Emerson Electric Co. Preparation tools for pipe ends and related methods
US20110045746A1 (en) * 2009-08-18 2011-02-24 Emerson Electric Co. Preparation tools for pipe ends and related methods
JP2013043237A (en) * 2011-08-23 2013-03-04 Sakata Seisakusho:Kk Rust removing tool for bolt and nut
US20150183075A1 (en) * 2013-08-01 2015-07-02 Hammer Electric Power Tools Co., Ltd. External circular polisher with double polishing wheels
US9333614B2 (en) * 2013-08-01 2016-05-10 Hammer Electric Power Tools Co., Ltd External circular polisher with double polishing wheels
US9332826B2 (en) 2014-07-09 2016-05-10 Ricky Spillman, JR. Cleaning device
CN104617465A (en) * 2014-12-31 2015-05-13 东莞市瀛通电线有限公司 Semi-automatic plug cleaning device
US9974382B2 (en) * 2016-03-24 2018-05-22 Yu-Ching Lin Cleaning brush assembly
US10507569B1 (en) * 2017-10-31 2019-12-17 Michael Marotta Pipe-cleaning attachment
US10799970B2 (en) 2018-08-28 2020-10-13 Raytheon Company Rotary cleaning tool
WO2020086565A1 (en) * 2018-10-22 2020-04-30 Grove Lawrence W Outer diameter cleaning and sanding drill attachment
EP3771076A1 (en) * 2019-07-23 2021-01-27 ANSALDO ENERGIA S.p.A. Portable device and method for cleaning a generator conductor, in particular a turbo-generator conductor

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