EP0317935A3 - Method and apparatus for fine grinding - Google Patents

Method and apparatus for fine grinding Download PDF

Info

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
Application number
EP88119353A
Other versions
EP0317935B1 (en
EP0317935A2 (en
Inventor
Andrew Paul Ondush
Richard Donald Ritter
Arthur H. Anderson
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22420699&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0317935(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of EP0317935A2 publication Critical patent/EP0317935A2/en
Publication of EP0317935A3 publication Critical patent/EP0317935A3/en
Application granted granted Critical
Publication of EP0317935B1 publication Critical patent/EP0317935B1/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
    • 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
EP88119353A 1987-11-25 1988-11-21 Method and apparatus for fine grinding Expired - Lifetime EP0317935B1 (en)

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)

* Cited by examiner, † Cited by third party
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.
JP5320302B2 (en) * 2007-03-06 2013-10-23 アーチャー・ダニエルズ・ミッドランド カンパニー Cocoa product manufacturing method and apparatus
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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
EP0317935B1 (en) 1992-04-29
CA1328862C (en) 1994-04-26
BR8806087A (en) 1989-08-08
JPH01168361A (en) 1989-07-03
KR890007796A (en) 1989-07-05
PT89070A (en) 1989-09-14
DE3870587D1 (en) 1992-06-04
EP0317935A2 (en) 1989-05-31
ZA888809B (en) 1990-07-25
KR910006231B1 (en) 1991-08-17

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