CA2079892A1 - Improved process for removing coatings from sensitive substrates, and blasting media useful therein - Google Patents

Improved process for removing coatings from sensitive substrates, and blasting media useful therein

Info

Publication number
CA2079892A1
CA2079892A1 CA2079892A CA2079892A CA2079892A1 CA 2079892 A1 CA2079892 A1 CA 2079892A1 CA 2079892 A CA2079892 A CA 2079892A CA 2079892 A CA2079892 A CA 2079892A CA 2079892 A1 CA2079892 A1 CA 2079892A1
Authority
CA
Canada
Prior art keywords
blasting media
improved process
removing coatings
sensitive substrates
media useful
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.)
Granted
Application number
CA2079892A
Other languages
French (fr)
Other versions
CA2079892C (en
Inventor
Lawrence Kirschner
Michael Stephen Lajoie
William E. Spears, Jr.
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.)
Church and Dwight Co Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2079892A1 publication Critical patent/CA2079892A1/en
Application granted granted Critical
Publication of CA2079892C publication Critical patent/CA2079892C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0084—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a mixture of liquid and gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/086—Descaling; Removing coating films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C11/00—Selection of abrasive materials or additives for abrasive blasts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C11/00—Selection of abrasive materials or additives for abrasive blasts
    • B24C11/005—Selection of abrasive materials or additives for abrasive blasts of additives, e.g. anti-corrosive or disinfecting agents in solid, liquid or gaseous form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
    • B24C7/0061—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

Blasting media for removing coatings from sensitive metal and composite surfaces, and a process useful therewith, wherein the blasting media comprise mixtures of water-soluble crystalline sodium bicarbonate particles having average particle sizes of from 100-500 microns, with a hydrophobic silica flow/anti-caking agent.
CA002079892A 1990-04-06 1991-04-04 Improved process for removing coatings from sensitive substrates, and blasting media useful therein Expired - Lifetime CA2079892C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50644790A 1990-04-06 1990-04-06
US506,447 1990-04-06

Publications (2)

Publication Number Publication Date
CA2079892A1 true CA2079892A1 (en) 1991-10-07
CA2079892C CA2079892C (en) 1996-01-23

Family

ID=24014633

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002079892A Expired - Lifetime CA2079892C (en) 1990-04-06 1991-04-04 Improved process for removing coatings from sensitive substrates, and blasting media useful therein

Country Status (12)

Country Link
EP (1) EP0525122A4 (en)
JP (1) JPH0669668B2 (en)
KR (1) KR960003113B1 (en)
CN (1) CN1029599C (en)
AU (1) AU643039B2 (en)
CA (1) CA2079892C (en)
MY (1) MY109653A (en)
NO (1) NO176751C (en)
NZ (1) NZ237596A (en)
PL (1) PL165174B1 (en)
TR (1) TR25589A (en)
WO (1) WO1991015308A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232514A (en) * 1991-10-10 1993-08-03 Church & Dwight Co., Inc. Corrosion-inhibiting cleaning systems for aluminum surfaces, particularly aluminum aircraft surfaces
EP0631527A1 (en) * 1992-03-20 1995-01-04 CHURCH & DWIGHT COMPANY, INC. Abrasive coating remover and process for using same
US5593339A (en) * 1993-08-12 1997-01-14 Church & Dwight Co., Inc. Slurry cleaning process
NL1003398C2 (en) * 1996-06-21 1997-12-23 Delwi Ontwikkelingen B V Passage-wall cleaning system using granular material
US6010546A (en) * 1997-07-24 2000-01-04 Asahi Glass Company, Ltd. Blasting medium and blasting method employing such medium
NL1007501C2 (en) * 1997-11-10 1999-05-11 Pieter Schurink Cleaning surfaces by blasting to remove e.g. dirt, scale or paint
DE19842054A1 (en) 1998-09-15 2000-03-16 Bayer Ag Use of water-soluble polymeric polycarboxylates in cleaning formulations with an abrasive effect
DE19842053A1 (en) 1998-09-15 2000-03-23 Bayer Ag Use of polyaspartic acids in cleaning formulations with an abrasive effect
GB2565122A (en) * 2017-08-03 2019-02-06 Rolls Royce Plc Gas turbine engine
FR3102694B1 (en) * 2019-10-30 2022-06-03 Safran Aircraft Engines PROCESS FOR COMPACTING AN ANTI-CORROSION COATING
CN111673622A (en) * 2020-06-01 2020-09-18 江苏佰健环保科技有限公司 Environment-friendly cleaning process and equipment for food utensil non-stick coating
CN113996602A (en) * 2021-11-02 2022-02-01 东南大学 Method for cleaning drill dirt of hole channel of printed circuit board

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA532346A (en) * 1956-10-30 D. Smith Rowland Method of cleaning glass-working tools
US2710286A (en) * 1953-02-25 1955-06-07 Rca Corp Method of removing and salvaging adherent materials
US3963627A (en) * 1970-02-16 1976-06-15 Imperial Chemical Industries Limited Surface treatment of particulate solids
US4020857A (en) * 1976-04-13 1977-05-03 Louis Frank Rendemonti Apparatus and method for pressure cleaning and waxing automobiles and the like
GB1603085A (en) * 1977-06-03 1981-11-18 Ciba Geigy Uk Ltd Fire protection means
US4174531A (en) * 1977-11-14 1979-11-13 Rca Corporation Printed circuit board with increased arc track resistance
US4174571A (en) * 1978-07-28 1979-11-20 Dentron, Inc. Method for cleaning teeth
US4412402A (en) * 1978-07-28 1983-11-01 Cavitron Inc. Equipment and method for delivering an abrasive-laden gas stream
SE455265B (en) * 1984-03-27 1988-07-04 Arne Alvemarker BLASTER BODIES OF COMPOSITION MATERIAL TO CLEAN CLEANING DISH
US4588444A (en) * 1984-04-04 1986-05-13 Anderson Ronald L Method for cleaning polymeric contact lenses
US4731125A (en) * 1984-04-19 1988-03-15 Carr Lawrence S Media blast paint removal system
IL93572A (en) * 1989-03-14 1993-06-10 Church & Dwight Co Inc Process for removing coatings from sensitive substrates and blasting media useful therein

Also Published As

Publication number Publication date
WO1991015308A1 (en) 1991-10-17
CN1056077A (en) 1991-11-13
TR25589A (en) 1993-07-01
JPH05504919A (en) 1993-07-29
NO923823D0 (en) 1992-10-01
JPH0669668B2 (en) 1994-09-07
PL165174B1 (en) 1994-11-30
CA2079892C (en) 1996-01-23
EP0525122A4 (en) 1993-04-28
NO176751C (en) 1995-05-24
EP0525122A1 (en) 1993-02-03
NZ237596A (en) 1993-03-26
NO923823L (en) 1992-11-30
KR960003113B1 (en) 1996-03-05
CN1029599C (en) 1995-08-30
MY109653A (en) 1997-03-31
NO176751B (en) 1995-02-13
AU7982891A (en) 1991-10-30
AU643039B2 (en) 1993-11-04

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry