EP0317935A3 - Method and apparatus for fine grinding - Google Patents
Method and apparatus for fine grinding Download PDFInfo
- Publication number
- EP0317935A3 EP0317935A3 EP88119353A EP88119353A EP0317935A3 EP 0317935 A3 EP0317935 A3 EP 0317935A3 EP 88119353 A EP88119353 A EP 88119353A EP 88119353 A EP88119353 A EP 88119353A EP 0317935 A3 EP0317935 A3 EP 0317935A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fine grinding
- grinding
- fine
- 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
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C19/186—Use of cold or heat for disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Disintegrating Or Milling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12563887A | 1987-11-25 | 1987-11-25 | |
US125638 | 1987-11-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0317935A2 EP0317935A2 (en) | 1989-05-31 |
EP0317935A3 true EP0317935A3 (en) | 1990-01-03 |
EP0317935B1 EP0317935B1 (en) | 1992-04-29 |
Family
ID=22420699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88119353A Expired - Lifetime EP0317935B1 (en) | 1987-11-25 | 1988-11-21 | Method and apparatus for fine grinding |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0317935B1 (en) |
JP (1) | JPH01168361A (en) |
KR (1) | KR910006231B1 (en) |
BR (1) | BR8806087A (en) |
CA (1) | CA1328862C (en) |
DE (1) | DE3870587D1 (en) |
PT (1) | PT89070A (en) |
ZA (1) | ZA888809B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164132A (en) * | 1991-04-05 | 1992-11-17 | Air Products And Chemicals, Inc. | Process for the production of ultra-fine polymeric fibers |
CH688269A5 (en) * | 1992-08-21 | 1997-07-15 | Debio Rech Pharma Sa | Ultra Centrifugal Mill and its implementation for cryogenic grinding of thermally sensitive material. |
IT1271454B (en) * | 1993-01-28 | 1997-05-28 | Pro Co Gen Progettazioni E Cos | CRYOTRANSFORMATION PLANT AND SELECTION OF SOLID URBAN WASTE. |
DE19533078A1 (en) * | 1995-09-07 | 1997-03-13 | Messer Griesheim Gmbh | Method and device for grinding and classifying regrind |
ES2188329B1 (en) * | 2000-09-15 | 2004-12-01 | Consejo Superior De Investigaciones Cientificas | PREPARATION PROCEDURE THROUGH CRIOGENIC GRINDING OF AROMATIC POLYESTER MIXTURES WITH TRANSESTERIFICATION GRADE CONTROL. |
EP2124595A1 (en) * | 2007-03-06 | 2009-12-02 | Archer-Daniels-Midland Company | Method and apparatus for producing cocoa products |
KR100842300B1 (en) * | 2007-05-21 | 2008-06-30 | 한국기계연구원 | Powder classification and separation apparatus media mill system |
CN103272674B (en) * | 2013-05-22 | 2015-12-02 | 张家港市华丰油脂有限公司 | A kind of air-flow vortex pulverizing mill for extracting cotton protein from cotton dregs |
CN110026283B (en) * | 2019-04-09 | 2020-08-11 | 凤台县农盼水稻机插服务专业合作社 | Low-temperature crop straw smashing device and operation method thereof |
EP3764030A1 (en) * | 2019-07-11 | 2021-01-13 | Air Liquide Deutschland GmbH | Method and device for cooling products |
US11766678B1 (en) | 2023-04-21 | 2023-09-26 | AGT-USA, Inc. | Cryogenic processing system for plant material |
US11872593B1 (en) * | 2023-04-21 | 2024-01-16 | AGT-USA, Inc. | Cryogenic processing system for plant material |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3771729A (en) * | 1971-06-17 | 1973-11-13 | Air Prod & Chem | Cryogenic comminution system |
US4222527A (en) * | 1979-02-22 | 1980-09-16 | Union Carbide Corporation | Cryopulverizing packed bed control system |
DE2952363A1 (en) * | 1979-12-24 | 1981-07-02 | Linde Ag, 6200 Wiesbaden | METHOD AND DEVICE FOR CRUSHING SUBSTANCES AT LOW TEMPERATURES |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5472563A (en) * | 1977-11-21 | 1979-06-11 | Nippon Oxygen Co Ltd | Method of low temperature crushing |
-
1988
- 1988-11-18 CA CA000583552A patent/CA1328862C/en not_active Expired - Fee Related
- 1988-11-21 BR BR888806087A patent/BR8806087A/en not_active IP Right Cessation
- 1988-11-21 DE DE8888119353T patent/DE3870587D1/en not_active Expired - Lifetime
- 1988-11-21 EP EP88119353A patent/EP0317935B1/en not_active Expired - Lifetime
- 1988-11-22 JP JP63295906A patent/JPH01168361A/en active Pending
- 1988-11-24 ZA ZA888809A patent/ZA888809B/en unknown
- 1988-11-24 PT PT89070A patent/PT89070A/en not_active Application Discontinuation
- 1988-11-25 KR KR1019880015558A patent/KR910006231B1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3771729A (en) * | 1971-06-17 | 1973-11-13 | Air Prod & Chem | Cryogenic comminution system |
US4222527A (en) * | 1979-02-22 | 1980-09-16 | Union Carbide Corporation | Cryopulverizing packed bed control system |
DE2952363A1 (en) * | 1979-12-24 | 1981-07-02 | Linde Ag, 6200 Wiesbaden | METHOD AND DEVICE FOR CRUSHING SUBSTANCES AT LOW TEMPERATURES |
Also Published As
Publication number | Publication date |
---|---|
EP0317935A2 (en) | 1989-05-31 |
JPH01168361A (en) | 1989-07-03 |
BR8806087A (en) | 1989-08-08 |
KR890007796A (en) | 1989-07-05 |
CA1328862C (en) | 1994-04-26 |
EP0317935B1 (en) | 1992-04-29 |
KR910006231B1 (en) | 1991-08-17 |
PT89070A (en) | 1989-09-14 |
DE3870587D1 (en) | 1992-06-04 |
ZA888809B (en) | 1990-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0315469A3 (en) | Machining apparatus and method | |
EP0300217A3 (en) | Processing apparatus and method | |
ZA889554B (en) | Grinding method and grinding apparatus | |
GB9121534D0 (en) | Grinding apparatus and method | |
AR243779A1 (en) | Filter apparatus and method | |
GB8830454D0 (en) | Sanding method and apparatus | |
EP0322623A3 (en) | Dispersing and grinding apparatus | |
GB2189732B (en) | Method and apparatus for grooving | |
EP0303191A3 (en) | Method and apparatus for surface treatment | |
ZA883511B (en) | Method and apparatus for crushing material for grinding | |
ZA888700B (en) | Method and apparatus for beneficiating ores | |
EP0317935A3 (en) | Method and apparatus for fine grinding | |
EP0379588A4 (en) | Method and apparatus for grinding and pulverization | |
HU895474D0 (en) | Method and apparatus for generating processes of abrasive-belt grinding | |
EP0433602A3 (en) | Method and apparatus for forming elastomers | |
IL97149A0 (en) | Method and apparatus for abrading | |
EP0319265A3 (en) | Method and apparatus for use in grinding | |
GR871825B (en) | Abrading apparatus and process | |
EP0463846A3 (en) | Grinding method and apparatus | |
ZA857087B (en) | Process and apparatus for liquid-solid contacting | |
IL86987A0 (en) | Method and apparatus for photodepilation and electrodepilation | |
GB8705591D0 (en) | Grinding apparatus | |
DE3472907D1 (en) | Edge grinding method and apparatus | |
EP0428391A3 (en) | Method and apparatus for beautificating drawings | |
ZA876701B (en) | Rail grinding apparatus |
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 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE CH DE ES FR GB IT LI NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): BE CH DE ES FR GB IT LI NL |
|
17P | Request for examination filed |
Effective date: 19900223 |
|
17Q | First examination report despatched |
Effective date: 19900727 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): BE CH DE ES FR GB IT LI NL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Effective date: 19920429 Ref country code: LI Effective date: 19920429 Ref country code: ES Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19920429 Ref country code: CH Effective date: 19920429 Ref country code: BE Effective date: 19920429 |
|
REF | Corresponds to: |
Ref document number: 3870587 Country of ref document: DE Date of ref document: 19920604 |
|
ITF | It: translation for a ep patent filed |
Owner name: DR. ING. A. RACHELI & C. |
|
ET | Fr: translation filed | ||
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19921121 |
|
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
26 | Opposition filed |
Opponent name: LINDE AKTIENGESELLSCHAFT, WIESBADEN Effective date: 19930129 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19921121 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19930730 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Effective date: 19930803 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PLBN | Opposition rejected |
Free format text: ORIGINAL CODE: 0009273 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: OPPOSITION REJECTED |
|
27O | Opposition rejected |
Effective date: 19940325 |
|
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;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20051121 |