EP0690749A4 - Zirconium silicate grinding medium and method of milling - Google Patents

Zirconium silicate grinding medium and method of milling

Info

Publication number
EP0690749A4
EP0690749A4 EP95908662A EP95908662A EP0690749A4 EP 0690749 A4 EP0690749 A4 EP 0690749A4 EP 95908662 A EP95908662 A EP 95908662A EP 95908662 A EP95908662 A EP 95908662A EP 0690749 A4 EP0690749 A4 EP 0690749A4
Authority
EP
European Patent Office
Prior art keywords
milling
zirconium silicate
grinding medium
absolute
silicate grinding
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
EP95908662A
Other languages
German (de)
French (fr)
Other versions
EP0690749A1 (en
EP0690749B1 (en
Inventor
Thomas Ian Brownbridge
Phillip M Story
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.)
Tronox LLC
Original Assignee
Kerr McGee Corp
Kerr McGee Chemical Corp
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 Kerr McGee Corp, Kerr McGee Chemical Corp filed Critical Kerr McGee Corp
Priority to EP99103983A priority Critical patent/EP0930098B1/en
Publication of EP0690749A1 publication Critical patent/EP0690749A1/en
Publication of EP0690749A4 publication Critical patent/EP0690749A4/en
Application granted granted Critical
Publication of EP0690749B1 publication Critical patent/EP0690749B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/20—Disintegrating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy

Abstract

A grinding medium including naturally occurring zirconium silicate sand characterized by a density in the range of from about 4g/cc absolute to about 6g/cc absolute is provided. Also provided is a method for milling a powder which includes steps of forming a milling slurry including a naturally occurring zirconium silicate sand grinding medium having a density in the range of from about 4g/cc absolute to about 6g/cc absolute.
EP95908662A 1994-01-25 1995-01-24 Method of milling with a zirconium silicate grinding medium Expired - Lifetime EP0690749B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99103983A EP0930098B1 (en) 1994-01-25 1995-01-24 Zirconium silicate grinding medium

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18608594A 1994-01-25 1994-01-25
US186085 1994-01-25
PCT/US1995/000963 WO1995019846A1 (en) 1994-01-25 1995-01-24 Zirconium silicate grinding medium and method of milling

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP99103983A Division EP0930098B1 (en) 1994-01-25 1995-01-24 Zirconium silicate grinding medium

Publications (3)

Publication Number Publication Date
EP0690749A1 EP0690749A1 (en) 1996-01-10
EP0690749A4 true EP0690749A4 (en) 1996-10-30
EP0690749B1 EP0690749B1 (en) 2000-03-29

Family

ID=22683601

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99103983A Expired - Lifetime EP0930098B1 (en) 1994-01-25 1995-01-24 Zirconium silicate grinding medium
EP95908662A Expired - Lifetime EP0690749B1 (en) 1994-01-25 1995-01-24 Method of milling with a zirconium silicate grinding medium

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99103983A Expired - Lifetime EP0930098B1 (en) 1994-01-25 1995-01-24 Zirconium silicate grinding medium

Country Status (18)

Country Link
EP (2) EP0930098B1 (en)
JP (1) JP2693039B2 (en)
KR (1) KR0164652B1 (en)
CN (1) CN1042104C (en)
AT (2) ATE235318T1 (en)
AU (1) AU671248B2 (en)
BR (1) BR9506238A (en)
CA (1) CA2158969C (en)
CZ (1) CZ284563B6 (en)
DE (2) DE69515935T2 (en)
ES (2) ES2143616T3 (en)
FI (1) FI954466A (en)
MX (1) MX9504066A (en)
PL (1) PL176837B1 (en)
SK (1) SK117895A3 (en)
TW (1) TW276208B (en)
WO (1) WO1995019846A1 (en)
ZA (1) ZA95590B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2315505B (en) * 1996-07-24 1998-07-22 Sofitech Nv An additive for increasing the density of a fluid and fluid comprising such additve
DE102004040368B3 (en) * 2004-08-20 2006-02-23 Juhnke, Michael, Dipl.-Ing. Grinding body for producing very finely ground product has surface consisting of material which is rigid at grinding temperature but not at room temperature
US20080022900A1 (en) * 2006-07-25 2008-01-31 Venkata Rama Rao Goparaju Process for manufacturing titanium dioxide pigment
CN101722085B (en) * 2008-10-15 2012-06-13 许兴康 Grinding technology of high purity sub-nano level superfine zirconium silicate powder
CN102795848B (en) * 2012-08-02 2013-10-23 江苏锡阳研磨科技有限公司 Low-temperature sintered zirconium silicate grinding ball and preparation method thereof
CN111180719A (en) * 2020-01-07 2020-05-19 马鞍山科达普锐能源科技有限公司 Method for preparing nano silicon by three-stage grinding
CN115043620B (en) * 2022-03-09 2023-03-10 湖北工业大学 Method for preparing early-strength precast concrete by taking sand as grinding medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815079A (en) * 1981-07-14 1983-01-28 日本化学陶業株式会社 Crusher member comprising zirconia sintered body
JPS60211637A (en) * 1984-04-05 1985-10-24 Hitachi Maxell Ltd Production of magnetic recording medium
EP0483808A1 (en) * 1990-10-31 1992-05-06 Matsushita Electric Industrial Co., Ltd. Agitating mill and method for milling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679552A (en) * 1949-08-29 1952-09-17 British Titan Products Improvements relating to methods and apparatus for grinding, crushing and disintegrating
US3337140A (en) * 1964-06-03 1967-08-22 Pittsburgh Plate Glass Co Dispersion process
DE2832761B1 (en) * 1978-07-26 1979-10-31 Basf Ag Process for converting crude and / or coarsely crystallized perylene tetracarboxylic diimides into a pigment form
US4547534A (en) * 1983-03-18 1985-10-15 Memorex Corporation Method to disperse fine solids without size reduction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815079A (en) * 1981-07-14 1983-01-28 日本化学陶業株式会社 Crusher member comprising zirconia sintered body
JPS60211637A (en) * 1984-04-05 1985-10-24 Hitachi Maxell Ltd Production of magnetic recording medium
EP0483808A1 (en) * 1990-10-31 1992-05-06 Matsushita Electric Industrial Co., Ltd. Agitating mill and method for milling

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section PQ Week 8310, Derwent World Patents Index; Class P41, AN 83-23662k, XP002012464 *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 074 (P - 439) 25 March 1986 (1986-03-25) *

Also Published As

Publication number Publication date
DE69515935T2 (en) 2000-08-17
DE69515935D1 (en) 2000-05-04
ES2143616T3 (en) 2000-05-16
ES2190624T3 (en) 2003-08-01
CN1122112A (en) 1996-05-08
EP0930098A1 (en) 1999-07-21
CA2158969C (en) 2000-06-27
CN1042104C (en) 1999-02-17
EP0690749A1 (en) 1996-01-10
CZ284563B6 (en) 1999-01-13
DE69530132D1 (en) 2003-04-30
AU671248B2 (en) 1996-08-15
TW276208B (en) 1996-05-21
EP0930098B1 (en) 2003-03-26
CZ235795A3 (en) 1996-02-14
FI954466A0 (en) 1995-09-21
PL176837B1 (en) 1999-08-31
PL310446A1 (en) 1995-12-11
BR9506238A (en) 1997-09-30
KR960700819A (en) 1996-02-24
AU1690095A (en) 1995-08-08
ZA95590B (en) 1996-07-25
JP2693039B2 (en) 1997-12-17
DE69530132T2 (en) 2004-01-08
MX9504066A (en) 1997-05-31
ATE191160T1 (en) 2000-04-15
ATE235318T1 (en) 2003-04-15
SK117895A3 (en) 1996-01-10
JPH08506527A (en) 1996-07-16
EP0690749B1 (en) 2000-03-29
CA2158969A1 (en) 1995-07-27
KR0164652B1 (en) 1998-12-15
WO1995019846A1 (en) 1995-07-27
FI954466A (en) 1995-09-21

Similar Documents

Publication Publication Date Title
AU563107B2 (en) Regeneration of used foundry sands
GB2153846B (en) Cast iron for grinding media
EP0180162A3 (en) Process for producing acicular particles containing an iron carbide
HU913582D0 (en) Method for separation of bentonite and particles out of powder obtained by mechanical way during regeneration of used moulding sand
EP0690749A4 (en) Zirconium silicate grinding medium and method of milling
HUP0001766A3 (en) Method for the production of core preforms and recycling core sand for foundry
AU558501B2 (en) Consolidation of sand grains around a well
AU6123090A (en) Plant and method for reconditioning green foundry sand
MX9602461A (en) Zirconium silicate grinding method.
JPS57193902A (en) Method of adjusting for adapting the air gap of electromagnetic suspension vehicle in output manner to best
PH27375A (en) Method for easy removal of sand cores from casting
EP0135118A3 (en) Method of producing fine particles
HU9300682D0 (en) Method for compacting foundry sand to pattern
AU558626B2 (en) Automatically controlling installations for the preparation of foundry sand
ZA911208B (en) An apparatus for grinding mineral products
AU6992791A (en) Method for the treatment of foundry sand and/or core sand
AU550688B2 (en) Method and apparatus for dewatering a slurry of fine particles
AU6692790A (en) Method for the regenerative treatment of mainly clay-bound foundry old sand
MY125453A (en) Silica filler and method for its production
AU550988B2 (en) Apparatus and method for dewatering a slurry of fine particles
AU4685185A (en) Sand filter media and an improved method of purifying water
BG60055A3 (en) Method for the preparation of 1-carba (detia) cephalosporins
KR100253610B1 (en) Producing method for magnetic recording medium
GB9118579D0 (en) Method for improved reclamation of estercured phenolic resin bonded foundry sands
ZA85694B (en) Reclamation of foundry sands

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19951009

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

A4 Supplementary search report drawn up and despatched

Effective date: 19960910

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 19961112

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: KERR-MCGEE CHEMICAL LLC

APAB Appeal dossier modified

Free format text: ORIGINAL CODE: EPIDOS NOAPE

APBJ Interlocutory revision of appeal recorded

Free format text: ORIGINAL CODE: EPIDOS IRAPE

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 20000329

Ref country code: LI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000329

Ref country code: GR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000329

Ref country code: CH

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000329

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000329

REF Corresponds to:

Ref document number: 191160

Country of ref document: AT

Date of ref document: 20000415

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

ITF It: translation for a ep patent filed

Owner name: ING. A. GIAMBROCONO & C. S.R.L.

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 69515935

Country of ref document: DE

Date of ref document: 20000504

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2143616

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000629

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000629

ET Fr: translation filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010124

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010124

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010131

26N No opposition filed
REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20060103

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060110

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20060118

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060119

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060131

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20060215

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20060308

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070801

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20070124

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20070801

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20070930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070124

BERE Be: lapsed

Owner name: *KERR-MCGEE CHEMICAL LLC

Effective date: 20070131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070801

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20070125

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070125

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070124