US3900969A - Portable apparatus for blast cleaning - Google Patents

Portable apparatus for blast cleaning Download PDF

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Publication number
US3900969A
US3900969A US443389A US44338974A US3900969A US 3900969 A US3900969 A US 3900969A US 443389 A US443389 A US 443389A US 44338974 A US44338974 A US 44338974A US 3900969 A US3900969 A US 3900969A
Authority
US
United States
Prior art keywords
particulate material
rebound
particulate
portable apparatus
hopper
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.)
Expired - Lifetime
Application number
US443389A
Other languages
English (en)
Inventor
Philip H Diehn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wheelabrator Corp
Original Assignee
Wheelabrator Frye Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wheelabrator Frye Inc filed Critical Wheelabrator Frye Inc
Priority to US443389A priority Critical patent/US3900969A/en
Priority to ZA00750763A priority patent/ZA75763B/xx
Priority to CA219,548A priority patent/CA1004855A/en
Priority to GB532875A priority patent/GB1477111A/en
Priority to AU78090/75A priority patent/AU484345B2/en
Priority to IN266/CAL/1975A priority patent/IN141701B/en
Priority to NO750501A priority patent/NO750501L/no
Priority to SE7501724A priority patent/SE7501724L/xx
Priority to BR959/75A priority patent/BR7500959A/pt
Priority to DK57875*#A priority patent/DK57875A/da
Priority to NL7501882A priority patent/NL7501882A/xx
Priority to FR7504931A priority patent/FR2261099A1/fr
Priority to DE19752506740 priority patent/DE2506740A1/de
Priority to IT48221/75A priority patent/IT1029768B/it
Priority to BE153513A priority patent/BE825722A/fr
Priority to ES434859A priority patent/ES434859A1/es
Application granted granted Critical
Publication of US3900969A publication Critical patent/US3900969A/en
Priority to CA248,586A priority patent/CA1007868A/en
Assigned to WHEELABRATOR CORPORATION, THE reassignment WHEELABRATOR CORPORATION, THE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SIGNAL APPLIED TECHNOLOGIES INC.
Assigned to SIGNAL APPLIED TECHNOLOGIES INC., A CORP OF DELAWARE reassignment SIGNAL APPLIED TECHNOLOGIES INC., A CORP OF DELAWARE MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 03/29/1985DE Assignors: WHEELABRATOR-FRYE INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
    • B24C3/065—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable with suction means for the abrasive and the waste material

Definitions

  • a particularly desirable form of apparatus for performing this task is one which is portable so that it may be utilized in circumstances where it would not be feasible to bring the surface to the machine for treatment.
  • a specific use for such a portable apparatus is the cleaning of a vertical or other non-horizontal surface such as a wall, a platform or the like.
  • Portable machines capable of performing abrasive blasting operations on such non-horizontal surfaces are known.
  • U.S. Pat. No. 3,034,262 to Pawlson discloses a portable finishing machine which may be utilized on a vertical surface. Pawlsons device throws sand against a surface to be treated in a downwardly direction for rebounding into a collection chamber. In order to reuse the sand a return hose is provided from the lower chamber to the blasting wheel. Sand is drawn upwardly through this hose by suction force created by high speed rotation of the blasting wheel. Pawlson does not disclose any means for removing dust or fine particulate from the closed system.
  • FIG. l is a sectional side view of the apparatus of the present invention showing the details of the inner chambers;
  • FIG. 2 is a plan view of the apparatus of FIG. 1.
  • a portable apparatus l0 for blast cleaning a non-horizontal surface is shown.
  • the apparatus is shown tracking along a vertical wall l2 on a set of castor wheels 14. It will ofcourse be recognized that the device is capable of operation on surfaces which are not vertical and in fact may be used on any skewed surface which is sufficiently angularly displaced from the horizontal so as to allow recirculation of the abrasive material in the manner described herein.
  • the apparatus 10 is provided with an airless Centrifugal wheel 16 enclosed within a protective housing 18.
  • the wheel 16 may be any type of abrasive throwing wheel, but preferably it is a centrifugal blasting wheel of the type well known to the trade and which is marketed under the name of Wheelabrator by Wheelabrator-Frye, Inc. of Mishawaka, Ind.
  • the wheel is rotated at high speed on an axle 20 which turns in antifriction bearings 22.
  • the axle is rotated by a motor 24 connected to the axle by means of belt 26 and pulley wheel 28.
  • Particulate material to be thrown by the blasting wheel 16 is fed to the center of the wheel 30 from a supply hopper 32 filled with appropriate particulate material.
  • the particulate is then accelerated to high velocity by the wheel blades and projected outwardly as indicated by the arrows.
  • the choice of particulate material will depend upon the particular application and upon the specific surface composition of the material to be cleaned.
  • Abrasive material may be used, for example, such assand, steel shot or steel grit having various diameters or screen sizes as desired.
  • the flow rate from the hopper 32 to the wheel 16 is controlled by a flow valve 34.
  • the particulate material is thrown by the blast wheel 16 in a generally upwardly direction along a blast corridor 36.
  • the corridor 36 terminates a short distance from the surface 12 'and the abrasive material, upon striking the surface, rebounds therefrom at an obliquely upward angle as indicated. It should be noted that in order for the particulate material to rebound in this manner it is necessary that sufficient kinetic energy be imparted to the particulate by the wheel 16.
  • the channel means includes a rebound corridor 38 and one or more deflector plates 40 positioned in the corridor.
  • the purpose of the detlector plates 40 is to focus or concentrate the travel of the dispersed particulate stream so that it may be directed back to the supply hopper 32 for subsequent reuse.
  • the plates 40 are contoured as necessary and an exemplary set of plates are shown in FIG. 1. It will be apparent that other contours and arrangements would be utilized should the particular application so require.
  • the device operates by supplying abrasive from a hopper 32 to a blast wheel 16 which throws abrasive upwardly through the blast corridor 36 where the abrasive impinges upon the surface to be cleaned. The abrasive then rebounds upwardly into the rebound corridor 38 where it is deflected by the plates 40 back to the gravity feed hopper 32.
  • the present invention is provided with an air exhausting means. Air is pulled in by suction to an air inlet 42. The air flows via this inlet and a channel 44 to the impact area of the abrasive on the surface l2. The air flow then passes through the rebound corridor 38 as indicated, intermngling with the abrasive, then passes upwardly into a plenum chamber 46. As the air does so, it will carry, in suspension, dust particles and fine abrasive into the plenum chamber and out through one or more exhaust ports 48 to a dust collector and a suction exhaust fan (not shown).
  • the device is provided with a compliant seal 50 surrounding the impact area.
  • the seal confines the abrasive particles and dust to the interior of the machine and is suitably formed of any compliant elastomeric material.
  • a portable apparatus for blast cleaning a nonhorizontal surface comprising:
  • channel means disposed above said first means receiving the rebounded particulate material for directing it back to said hopper for reuse.
  • a ⁇ portable apparatus further including:
  • exhaust means for causing a stream of air to pass continuously through said channel means for removing dust and fine particles from the particulate mate rial.
  • a portable apparatus according to claim 1 further including a compliant seal disposed about said apparatus for confining the particular blast to the apparatus interior.
  • a portable apparatus according to claim l wherein said upwardly projecting means is an arless centrifugal blasting wheel driven by a motor.
  • a portable apparatus according to claim 1 wherein said hopper is disposed above said projecting means.
  • a portable apparatus for blast cleaning a nonhorizontal surface comprising:
  • a gravity feed hopper supplying said projecting means with said particulate material
  • channel means receiving the rebounded particulate material for directing it back to said hopper for reuse including a rebound corridor receiving the rebounded particulate material; at least one deflector plate disposed in said corridor for focusing the rebound path of the particulate to the hopper.
  • the apparatus of claim 8 further including means for causing a stream of air to pass through said collecting means for removing dust and fine particles from the particulate material.
  • a portable apparatus for blast cleaning a nonhorizontal surface comprising:
  • an airless centrifugal blasting wheel driven by a motor for upwardly projecting particulate material onto said surface with sufficient kinetic energy to rebound therefrom;
  • a gravity feed hopper supplying said blasting wheel with said particulate material
  • a rebound corridor positioned above the impact area on said surface adapted to receive the rebound par ticulate matter
  • At least one deflector plate disposed in said rebound corridor for focusing the rebound path of the particulate material back to said hopper;
  • exhaust means for causing a stream of air to pass continuously through said rebound corridor for removing dust and fine particles
  • a compliant seal disposed about said apparatus for confining the particulate blast to the apparatus interior.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Farming Of Fish And Shellfish (AREA)
US443389A 1974-02-19 1974-02-19 Portable apparatus for blast cleaning Expired - Lifetime US3900969A (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
US443389A US3900969A (en) 1974-02-19 1974-02-19 Portable apparatus for blast cleaning
ZA00750763A ZA75763B (en) 1974-02-19 1975-02-06 Portable apparatus for blast cleaning
CA219,548A CA1004855A (en) 1974-02-19 1975-02-06 Portable apparatus for blast cleaning
GB532875A GB1477111A (en) 1974-02-19 1975-02-07 Portable apparatus for blast cleaning
AU78090/75A AU484345B2 (en) 1975-02-11 Portable apparatus for blast cleaning
IN266/CAL/1975A IN141701B (fr) 1974-02-19 1975-02-12
NO750501A NO750501L (fr) 1974-02-19 1975-02-14
BR959/75A BR7500959A (pt) 1974-02-19 1975-02-17 Aparelho portatil para limpeza a jato
SE7501724A SE7501724L (fr) 1974-02-19 1975-02-17
FR7504931A FR2261099A1 (en) 1974-02-19 1975-02-18 Mobile shot-blasting tool - encloses local work area and captures, cleans and recycles rebounding pellets
DK57875*#A DK57875A (fr) 1974-02-19 1975-02-18
DE19752506740 DE2506740A1 (de) 1974-02-19 1975-02-18 Tragbare vorrichtung zum reinigen mittels abstrahlen
IT48221/75A IT1029768B (it) 1974-02-19 1975-02-18 Apparecchio portatile per granigliatura di superfici metalliche
NL7501882A NL7501882A (nl) 1974-02-19 1975-02-18 Draagbare inrichting voor het schoonmaken met een blaasstraal.
ES434859A ES434859A1 (es) 1974-02-19 1975-02-19 Perfeccionamientos en aparatos portatiles de limpieza a cho-rro.
BE153513A BE825722A (fr) 1974-02-19 1975-02-19 Appareil transportable pour le decapage par projection
CA248,586A CA1007868A (en) 1974-02-19 1976-03-23 Portable apparatus for blast cleaning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US443389A US3900969A (en) 1974-02-19 1974-02-19 Portable apparatus for blast cleaning

Publications (1)

Publication Number Publication Date
US3900969A true US3900969A (en) 1975-08-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
US443389A Expired - Lifetime US3900969A (en) 1974-02-19 1974-02-19 Portable apparatus for blast cleaning

Country Status (4)

Country Link
US (1) US3900969A (fr)
BE (1) BE825722A (fr)
GB (1) GB1477111A (fr)
ZA (1) ZA75763B (fr)

Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308467A1 (fr) * 1975-04-21 1976-11-19 Worldwide Blast Cleaning Ltd Appareil de traitement de surface par jet d'abrasif
US4052820A (en) * 1976-01-21 1977-10-11 Wheelabrator-Frye, Inc. Portable surface treating apparatus
US4064661A (en) * 1975-04-19 1977-12-27 Riichi Maeda Centrifugal blasting apparatus
US4080760A (en) * 1977-02-18 1978-03-28 Wheelabrator-Frye Inc. Surface treatment device including magnetic shot separator
US4109507A (en) * 1977-08-16 1978-08-29 Wheelabrator-Frye Inc. Recirculating shot testing device
EP0005604A1 (fr) * 1978-05-19 1979-11-28 Worldwide Blast Cleaning Limited Machine pour le nettoyage de surfaces
US4268178A (en) * 1979-12-28 1981-05-19 Savin Corporation Anti-bounce projectile collecting surface for microballistic printer
EP0056176A1 (fr) * 1981-01-14 1982-07-21 Wheelabrator-Frye Inc. Appareil portatif pour le traitement de surfaces
US4364823A (en) * 1981-02-09 1982-12-21 Goff James R Apparatus for separating abrasive blasting media from debris
US4376358A (en) * 1976-12-20 1983-03-15 Robert T. Nelson Surface treating apparatus
US4377924A (en) * 1976-03-01 1983-03-29 Wheelabrator-Frye Inc. Portable device for treating surfaces
US4377922A (en) * 1976-02-02 1983-03-29 Wheelabrator-Frye Inc. Portable apparatus for treating surfaces
US4377923A (en) * 1976-02-06 1983-03-29 Wheelabrator-Frye Inc. Surface treating apparatus
US4382352A (en) * 1981-03-05 1983-05-10 Nelson Robert T Apparatus for cleaning surfaces, including means for separating debris and abrasive material
US4394256A (en) * 1981-02-09 1983-07-19 Goff James R Apparatus for separating abrasive blasting media from debris
US4753052A (en) * 1985-05-01 1988-06-28 Dickson Industries, Inc. Surface blasting apparatus
US5090162A (en) * 1990-06-13 1992-02-25 Nelson Robert T Surface treating apparatus
US5142831A (en) * 1991-01-28 1992-09-01 Nelson Robert T Apparatus for treating cornered surfaces
US5205084A (en) * 1992-01-23 1993-04-27 Nelco Manufacturing Corporation Flat-walled apparatus and housing for treating horizontal surfaces
US5231805A (en) * 1991-07-01 1993-08-03 Sander James P Surface cleaning and asbestos removal machine
DE9310642U1 (de) * 1993-07-16 1993-10-21 Ernst Peiniger GmbH Unternehmen für Bautenschutz, 45145 Essen Flächenstrahlvorrichtung
US5261192A (en) * 1992-02-14 1993-11-16 Nelco Manufacturing Corp. Surface cleaning apparatus
US5291697A (en) * 1992-06-11 1994-03-08 Nelco Acquisition Corporation Surface abrading machine having transverse oscilliation
US5441443A (en) * 1993-11-10 1995-08-15 Nelco Manufacturing Corp. Apparatus for blast cleaning surfaces disposed at angles within 45 degrees of vertical
US5498197A (en) * 1993-07-01 1996-03-12 Nelco Manufacturing Corp. Hand-held blast cleaning machine
US5584748A (en) * 1995-01-10 1996-12-17 Nelco Manufacturing Corp. Blast wheel having a rotatable shaft with radial discs and blades dovetailed across the discs
US5685767A (en) * 1995-06-30 1997-11-11 Dentinite, L.L.C. Sandblasting apparatus
US5716261A (en) * 1994-01-14 1998-02-10 The Wheelabrator Corporation, Oscillating blast cleaner
US5730646A (en) * 1994-01-14 1998-03-24 United States Filter Corporation Oscillating blast cleaner
EP0897779A1 (fr) * 1997-08-19 1999-02-24 Philip Anthony Mansfield Appareil de sablage pour le traitement des surfaces verticales
US5885141A (en) * 1997-07-25 1999-03-23 United States Filter Corporation Portable blast wheel cleaning machine
US5957761A (en) * 1997-11-12 1999-09-28 Northrop Grumman Corporation Closed circuit media capture and recovery head for the portable wheat starch media blast system
US20060000491A1 (en) * 2004-07-02 2006-01-05 Crocker James P Stripe removal system
US20070169797A1 (en) * 2006-01-26 2007-07-26 Crocker James P Mobile mark removal system
US20070204889A1 (en) * 2006-03-03 2007-09-06 Crocker James P Articulable arm for a mobile mark removal system
US20070207711A1 (en) * 2006-03-03 2007-09-06 Crocker James P Combined grinder and water blaster for stripe removal system
US20090242003A1 (en) * 2008-02-28 2009-10-01 Crocker James P Water Blasting Head With Through Feeding Hydraulic Motor
US20090241999A1 (en) * 2008-02-28 2009-10-01 Crocker James P Modular Stripe Removal System
US20100200514A1 (en) * 2009-01-26 2010-08-12 Crocker James P Water Treatment System For Surface Cleaning Apparatus
BE1018862A5 (fr) * 2009-08-19 2011-10-04 Leon Rutten Appareil de grenaillage et procede de grenaillage.
CN103624015A (zh) * 2013-11-13 2014-03-12 芜湖华强文化科技产业有限公司 一种滑道清扫装置
US9908068B2 (en) 2012-02-14 2018-03-06 Waterblasting, Llc Water and debris recovery system
US20190134778A1 (en) * 2017-11-07 2019-05-09 James Rey Williams Paint Stripping System and Method of Use
US10471569B2 (en) * 2017-11-07 2019-11-12 James Ray Williams System and method for blasting an overhead surface
CN111730505A (zh) * 2020-05-26 2020-10-02 盐城市大丰区海达机械有限公司 一种抛丸机的下料机构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8708040D0 (en) * 1987-04-03 1987-05-07 Williams Eng Ltd N L Treating surfaces

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628456A (en) * 1952-01-15 1953-02-17 Mariblast Corp Sandblasting device
US3034262A (en) * 1959-11-05 1962-05-15 Eugene T Pawlson Resurfacing and finishing machine
US3566543A (en) * 1968-02-06 1971-03-02 Wheelabrator Corp Machine for treatment of large vertical surfaces
US3609916A (en) * 1968-10-24 1971-10-05 Paul Hammelmann Apparatus for treating surfaces of ships' hulls or the like
US3747277A (en) * 1971-04-12 1973-07-24 Carborundum Co Abrasive blasting unit
US3788010A (en) * 1972-02-28 1974-01-29 Nelson R Apparatus for treatment of vertically disposed surfaces

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628456A (en) * 1952-01-15 1953-02-17 Mariblast Corp Sandblasting device
US3034262A (en) * 1959-11-05 1962-05-15 Eugene T Pawlson Resurfacing and finishing machine
US3566543A (en) * 1968-02-06 1971-03-02 Wheelabrator Corp Machine for treatment of large vertical surfaces
US3609916A (en) * 1968-10-24 1971-10-05 Paul Hammelmann Apparatus for treating surfaces of ships' hulls or the like
US3747277A (en) * 1971-04-12 1973-07-24 Carborundum Co Abrasive blasting unit
US3788010A (en) * 1972-02-28 1974-01-29 Nelson R Apparatus for treatment of vertically disposed surfaces

Cited By (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064661A (en) * 1975-04-19 1977-12-27 Riichi Maeda Centrifugal blasting apparatus
FR2308467A1 (fr) * 1975-04-21 1976-11-19 Worldwide Blast Cleaning Ltd Appareil de traitement de surface par jet d'abrasif
US4052820A (en) * 1976-01-21 1977-10-11 Wheelabrator-Frye, Inc. Portable surface treating apparatus
US4377922A (en) * 1976-02-02 1983-03-29 Wheelabrator-Frye Inc. Portable apparatus for treating surfaces
US4377923A (en) * 1976-02-06 1983-03-29 Wheelabrator-Frye Inc. Surface treating apparatus
US4377924A (en) * 1976-03-01 1983-03-29 Wheelabrator-Frye Inc. Portable device for treating surfaces
US4376358A (en) * 1976-12-20 1983-03-15 Robert T. Nelson Surface treating apparatus
US4080760A (en) * 1977-02-18 1978-03-28 Wheelabrator-Frye Inc. Surface treatment device including magnetic shot separator
US4109507A (en) * 1977-08-16 1978-08-29 Wheelabrator-Frye Inc. Recirculating shot testing device
EP0005604A1 (fr) * 1978-05-19 1979-11-28 Worldwide Blast Cleaning Limited Machine pour le nettoyage de surfaces
US4268178A (en) * 1979-12-28 1981-05-19 Savin Corporation Anti-bounce projectile collecting surface for microballistic printer
FR2472476A1 (fr) * 1979-12-28 1981-07-03 Savin Corp Collecteur de projectiles pour imprimante balistique
EP0056176A1 (fr) * 1981-01-14 1982-07-21 Wheelabrator-Frye Inc. Appareil portatif pour le traitement de surfaces
US4364823A (en) * 1981-02-09 1982-12-21 Goff James R Apparatus for separating abrasive blasting media from debris
US4394256A (en) * 1981-02-09 1983-07-19 Goff James R Apparatus for separating abrasive blasting media from debris
US4382352A (en) * 1981-03-05 1983-05-10 Nelson Robert T Apparatus for cleaning surfaces, including means for separating debris and abrasive material
US4753052A (en) * 1985-05-01 1988-06-28 Dickson Industries, Inc. Surface blasting apparatus
US5090162A (en) * 1990-06-13 1992-02-25 Nelson Robert T Surface treating apparatus
US5142831A (en) * 1991-01-28 1992-09-01 Nelson Robert T Apparatus for treating cornered surfaces
US5231805A (en) * 1991-07-01 1993-08-03 Sander James P Surface cleaning and asbestos removal machine
US5205084A (en) * 1992-01-23 1993-04-27 Nelco Manufacturing Corporation Flat-walled apparatus and housing for treating horizontal surfaces
US5261192A (en) * 1992-02-14 1993-11-16 Nelco Manufacturing Corp. Surface cleaning apparatus
US5291697A (en) * 1992-06-11 1994-03-08 Nelco Acquisition Corporation Surface abrading machine having transverse oscilliation
US5498197A (en) * 1993-07-01 1996-03-12 Nelco Manufacturing Corp. Hand-held blast cleaning machine
DE9310642U1 (de) * 1993-07-16 1993-10-21 Ernst Peiniger GmbH Unternehmen für Bautenschutz, 45145 Essen Flächenstrahlvorrichtung
US5441443A (en) * 1993-11-10 1995-08-15 Nelco Manufacturing Corp. Apparatus for blast cleaning surfaces disposed at angles within 45 degrees of vertical
US5730646A (en) * 1994-01-14 1998-03-24 United States Filter Corporation Oscillating blast cleaner
US5716261A (en) * 1994-01-14 1998-02-10 The Wheelabrator Corporation, Oscillating blast cleaner
US5584748A (en) * 1995-01-10 1996-12-17 Nelco Manufacturing Corp. Blast wheel having a rotatable shaft with radial discs and blades dovetailed across the discs
US5685767A (en) * 1995-06-30 1997-11-11 Dentinite, L.L.C. Sandblasting apparatus
US5885141A (en) * 1997-07-25 1999-03-23 United States Filter Corporation Portable blast wheel cleaning machine
EP0897779A1 (fr) * 1997-08-19 1999-02-24 Philip Anthony Mansfield Appareil de sablage pour le traitement des surfaces verticales
US6132296A (en) * 1997-08-19 2000-10-17 Mansfield; Philip Anthony Apparatus for treatment of surfaces
US5957761A (en) * 1997-11-12 1999-09-28 Northrop Grumman Corporation Closed circuit media capture and recovery head for the portable wheat starch media blast system
US8357245B2 (en) 2004-07-02 2013-01-22 Crocker James P Stripe removal system
US20080066781A1 (en) * 2004-07-02 2008-03-20 Crocker James P Stripe removal system
US20060000491A1 (en) * 2004-07-02 2006-01-05 Crocker James P Stripe removal system
US7255116B2 (en) 2004-07-02 2007-08-14 Crocker James P Stripe removal system
US20060185689A1 (en) * 2004-07-02 2006-08-24 Crocker James P Transportable holding tank for stripe removal system
US7798158B2 (en) 2006-01-26 2010-09-21 Crocker James P Mobile mark removal system
US20070169797A1 (en) * 2006-01-26 2007-07-26 Crocker James P Mobile mark removal system
US7674158B2 (en) 2006-03-03 2010-03-09 Crocker James P Combined grinder and water blaster for stripe removal system
US20070207711A1 (en) * 2006-03-03 2007-09-06 Crocker James P Combined grinder and water blaster for stripe removal system
US20070204889A1 (en) * 2006-03-03 2007-09-06 Crocker James P Articulable arm for a mobile mark removal system
US20090242003A1 (en) * 2008-02-28 2009-10-01 Crocker James P Water Blasting Head With Through Feeding Hydraulic Motor
US20090241999A1 (en) * 2008-02-28 2009-10-01 Crocker James P Modular Stripe Removal System
US9180496B2 (en) 2008-02-28 2015-11-10 Waterblasting, Llc Water blasting head with through feeding hydraulic motor
US20100200514A1 (en) * 2009-01-26 2010-08-12 Crocker James P Water Treatment System For Surface Cleaning Apparatus
US8357292B2 (en) 2009-01-26 2013-01-22 Crocker James P Water treatment system for surface cleaning apparatus
BE1018862A5 (fr) * 2009-08-19 2011-10-04 Leon Rutten Appareil de grenaillage et procede de grenaillage.
US9908068B2 (en) 2012-02-14 2018-03-06 Waterblasting, Llc Water and debris recovery system
US10265648B2 (en) 2012-02-14 2019-04-23 Waterblasting, Llc Water and debris recovery system
CN103624015A (zh) * 2013-11-13 2014-03-12 芜湖华强文化科技产业有限公司 一种滑道清扫装置
CN103624015B (zh) * 2013-11-13 2015-06-17 芜湖华强文化科技产业有限公司 一种滑道清扫装置
US20190134778A1 (en) * 2017-11-07 2019-05-09 James Rey Williams Paint Stripping System and Method of Use
US10471569B2 (en) * 2017-11-07 2019-11-12 James Ray Williams System and method for blasting an overhead surface
CN111730505A (zh) * 2020-05-26 2020-10-02 盐城市大丰区海达机械有限公司 一种抛丸机的下料机构
CN111730505B (zh) * 2020-05-26 2021-11-19 盐城市大丰区海达机械有限公司 一种抛丸机的下料机构

Also Published As

Publication number Publication date
ZA75763B (en) 1976-01-28
GB1477111A (en) 1977-06-22
BE825722A (fr) 1975-06-16

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