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WO1996015877A1 - Elements de compoundage et leur application - Google Patents

Elements de compoundage et leur application Download PDF

Info

Publication number
WO1996015877A1
WO1996015877A1 PCT/US1995/014084 US9514084W WO9615877A1 WO 1996015877 A1 WO1996015877 A1 WO 1996015877A1 US 9514084 W US9514084 W US 9514084W WO 9615877 A1 WO9615877 A1 WO 9615877A1
Authority
WO
WIPO (PCT)
Prior art keywords
skirt
compounding element
compounding
buffing
working surface
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.)
Ceased
Application number
PCT/US1995/014084
Other languages
English (en)
Inventor
Stuart F. Brown
Stephen Forbes
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to AU40183/95A priority Critical patent/AU4018395A/en
Publication of WO1996015877A1 publication Critical patent/WO1996015877A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/14—Zonally-graded wheels; Composite wheels comprising different abrasives
    • 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
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • 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
    • B24D13/147—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising assemblies of felted or spongy material; comprising pads surrounded by a flexible material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with cooling provisions

Definitions

  • This invention relates to compounding elements and in particular to compounding elements used to finish the exposed surface of paint, such as, on automobiles.
  • Finishing the exposed surface of new paint such as on an automobile typically includes (1) initial colour sanding which is done by hand using fine grit abrasive (e.g., 1200 to 1500 grit) that provides substantial smoothing or levelling of the paint surface but results in surface scratches from the abrasive grit; (2) one or more intermediate compounding operations in which a liquid or paste rubbing compound containing a finer abrasive is applied by a machine rotated compounding pad having tufts of all wool or a wool and synthetic fibre blend to remove the scratches that result from the colour sanding operation, which compounding operation leaves swirl marks on the paint; (3) a machine glazing operation in which a glaze including a yet finer abrasive is applied using a glazing or polishing pad to remove the swirl marks, which machine glazing operation leaves wheel marks that are particularly noticeable
  • pads comprising wool and synthetic fibres pads comprising a layer of open cell polymeric foam have been used in compounding operations.
  • Foam pads are disclosed in US 3418675 and foam pads having a working surface comprising a plurality of spaced projecting portions defining recesses therebetween and disclosed in US 4962562.
  • One of the problems associated with many known compounding pads is that they have a tendency to sling the rubbing compound onto an area adjacent the working area.
  • the compounding elements of the invention possess a skirt which contacts the working surface during the compounding operation retaining the rubbing compound in the vicinity of the buffing surface by providing a barrier to any sling.
  • the skirt projects beyond the buffing surface and when the element is applied to a working surface the skirt contacts the working surface while the buffing surface remains spaced from the working surface.
  • Application of pressure to the compounding element causes the skirt to deform moving the buffing surface in contact with the working surface.
  • the compound elements of the invention may be used in any of the compounding and glazing operations, the buffing surface and rubbing compound being selected for the appropriate task.
  • Suitable buffing surfaces include natural fibres, synthetic fibres, combinations thereof and foams, such as those disclosed in US 3418675 and US 4962562.
  • the skirt may comprise any resiliently deformable material which does not abrade the working surface more than the buffing surface and rubbing compound.
  • a preferred skirt is made of foam, particularly a soft foam, preferably having open cells. The thickness of the skirt is selected such that it will retain the rubbing compound and will depend upon the resilience of the skirt material, the particular rubbing compound, the amount of rubbing compound used and the action to which the compound element is subjected in use e.g rotation speed.
  • a suitable foam is an open cell polyester foam having a density in the range of 24 to 27 Kg/M 3 such as Type 4200 A commercially available from Caligen Foam Ltd, Accrington, U.K.
  • skirts having a width in the range 5 to 25 mm and projecting 5 to 10mm beyond the buffing surface have proved to be acceptable, wider skirts being used for compounding element rotated at speeds above 2000 rpm.
  • the skirt may be made from a strip of foam by joining the ends to form a ring and securing the ring to back-up pad or perimeter of the buffing surface.
  • the ends and ring may be bonded with suitable adhesive or using transfer tape such as 3M No. 9485 Transfer Tape, commercially available from Minnesota Mining and Manufacturing Company (3M), St. Paul, Minnesota, U.S.A.
  • 3M No. 9485 Transfer Tape commercially available from Minnesota Mining and Manufacturing Company (3M), St. Paul, Minnesota, U.S.A.
  • the rubbing compound is either applied to the buffing surface or the working surface and the compounding pad placed on the working surface such that the skirt envelopes the rubbing compound.
  • the compounding pad is subjected to vibratory or rotatory rubbing motion and pressure applied to bring the buffing surface in contact with the working surface.
  • the compounding element may be removed.
  • the pressure on the compounding head may be reduced such that only the skirt contacts the working surface and the rubbing motion continued to buff the surface with the skirt.
  • Figure 1 shows a cross-section through a compounding element in the form of a circular disc.
  • the compounding element (2) comprises a back-up pad (4) bearing a buffing surface (6) comprising an open cell polymeric foam having a plurality of spaced projecting portions (8) and recesses (10) as disclosed in US 4962562.
  • a circumferential skirt (12) surrounds the buffing surface and is formed from a soft polymeric foam.
  • the width "w” is generally in the range 5 to 25mm and the skirt (12) projects beyond the buffing surface (6) by a distance "h” which is generally in the range 5 to 10mm.
  • Figure 1 shows the compounding element resting on a working surface (14).
  • Figure 2 shows a similar compounding element to that of Figure 1 which is formed by modification of a soft foam buff.
  • a central portion (16) of a soft foam flat buf was cut out to such a depth as to allow the convoluted hard foam having projections (8) to sit just below the surface of the periphery forming the skirt (12).
  • the mode of operation is identical to that described with respect to Figure 1.
  • An advantage of this design is that the buffing surface (6) can be removed and replaced with a different material e.g. wool/polyester blend mop or a softer (or harder) convoluted foam.
  • Figure 3 shows a compounding element having a foam skirt surrounding a sliver knit wool/polyester blend mop. This design produces a higher degree of aggression compared to the use of foam.
  • the compounding elements may take a variety of different shapes e.g. square, rectangular, oval etc. depending upon the manner in which they will be employed e.g. manually, rotary machine etc.
  • the elements may be constructed to allow detachable fastening of the skirt and/or buffing surface to a back-up pad e.g. employing hook and loop fastening devices, mechanical fastening devices, pressure sensitive adhesives etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

Elément de compoundage utilisé avec une pâte à polir dans la finition d'une surface de travail. L'élément de compoundage comporte une surface de polissage, ainsi qu'une jupe élastique déformable entourant la surface de polissage et se prolongeant au-delà de celle-ci. Lors de l'utilisation, une pression est exercée sur l'élément de compoundage dont la jupe se déforme. La surface de polissage entre ainsi en contact avec la surface de travail pendant que la jupe limite les projections de pâte à polir.
PCT/US1995/014084 1994-11-18 1995-10-31 Elements de compoundage et leur application Ceased WO1996015877A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU40183/95A AU4018395A (en) 1994-11-18 1995-10-31 Compounding elements and use thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9423267.5 1994-11-18
GB9423267A GB9423267D0 (en) 1994-11-18 1994-11-18 Compounding elements and use thereof

Publications (1)

Publication Number Publication Date
WO1996015877A1 true WO1996015877A1 (fr) 1996-05-30

Family

ID=10764582

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US1995/014084 Ceased WO1996015877A1 (fr) 1994-11-18 1995-10-31 Elements de compoundage et leur application
PCT/US1995/015090 Ceased WO1996015878A1 (fr) 1994-11-18 1995-11-16 Elements d'application d'un produit et utilisation de ces elements

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US1995/015090 Ceased WO1996015878A1 (fr) 1994-11-18 1995-11-16 Elements d'application d'un produit et utilisation de ces elements

Country Status (4)

Country Link
EP (1) EP0792204A1 (fr)
AU (2) AU4018395A (fr)
GB (1) GB9423267D0 (fr)
WO (2) WO1996015877A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998030362A1 (fr) * 1997-01-10 1998-07-16 Auto Wax Company, Inc. Systeme applicateur pour polissage de surface et procede
US5928064A (en) * 1995-11-01 1999-07-27 Auto Wax Company, Inc. Surface polishing method and system
US8992644B2 (en) 2009-04-01 2015-03-31 Joybond Co., Ltd. Plastic soft composition for polishing and for surface protective material application

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2394767A1 (fr) 2010-06-10 2011-12-14 Siemens Aktiengesellschaft Adaptateur à refroidissement à utiliser sur les machines-outils de broche creuse

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2028874A (en) * 1934-03-16 1936-01-28 Park Chem Co Sanding device
US3924362A (en) * 1974-10-25 1975-12-09 Formax Manufacturing Corp Sanding pad assembly
JPS58149176A (ja) * 1982-03-01 1983-09-05 Toshiba Corp 砥粒加工工具
US4617767A (en) * 1985-01-14 1986-10-21 Ali Frank F Sanding, buffing and polishing tool and parts thereof
US4962562A (en) * 1989-01-18 1990-10-16 Minnesota Mining And Manufacturing Company Compounding, glazing or polishing pad
EP0619165A1 (fr) * 1993-04-07 1994-10-12 Minnesota Mining And Manufacturing Company Article abrasif

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1321073C (fr) * 1987-04-14 1993-08-10 Thomas R. Mcavoy Article abrasif contenant des fibres frisees en spirales
DE59005867D1 (de) * 1989-04-01 1994-07-07 Messer Griesheim Gmbh Polier- oder Schleifeinrichtung.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2028874A (en) * 1934-03-16 1936-01-28 Park Chem Co Sanding device
US3924362A (en) * 1974-10-25 1975-12-09 Formax Manufacturing Corp Sanding pad assembly
JPS58149176A (ja) * 1982-03-01 1983-09-05 Toshiba Corp 砥粒加工工具
US4617767A (en) * 1985-01-14 1986-10-21 Ali Frank F Sanding, buffing and polishing tool and parts thereof
US4962562A (en) * 1989-01-18 1990-10-16 Minnesota Mining And Manufacturing Company Compounding, glazing or polishing pad
EP0619165A1 (fr) * 1993-04-07 1994-10-12 Minnesota Mining And Manufacturing Company Article abrasif

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 271 (M - 260) 3 December 1983 (1983-12-03) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5928064A (en) * 1995-11-01 1999-07-27 Auto Wax Company, Inc. Surface polishing method and system
WO1998030362A1 (fr) * 1997-01-10 1998-07-16 Auto Wax Company, Inc. Systeme applicateur pour polissage de surface et procede
US6241579B1 (en) 1997-01-10 2001-06-05 Auto Wax Company, Inc. Surface polishing applicator system and method
US6547643B1 (en) 1997-01-10 2003-04-15 Auto Wax Company, Inc. Surface polishing applicator system and method
US8992644B2 (en) 2009-04-01 2015-03-31 Joybond Co., Ltd. Plastic soft composition for polishing and for surface protective material application

Also Published As

Publication number Publication date
AU4240596A (en) 1996-06-17
GB9423267D0 (en) 1995-01-11
WO1996015878A1 (fr) 1996-05-30
AU4018395A (en) 1996-06-17
EP0792204A1 (fr) 1997-09-03

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