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EP1867394A3 - Apparatus for sanitary wet milling - Google Patents

Apparatus for sanitary wet milling Download PDF

Info

Publication number
EP1867394A3
EP1867394A3 EP07015062A EP07015062A EP1867394A3 EP 1867394 A3 EP1867394 A3 EP 1867394A3 EP 07015062 A EP07015062 A EP 07015062A EP 07015062 A EP07015062 A EP 07015062A EP 1867394 A3 EP1867394 A3 EP 1867394A3
Authority
EP
European Patent Office
Prior art keywords
milling
agitator
contamination
seamless
wet milling
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.)
Withdrawn
Application number
EP07015062A
Other languages
German (de)
French (fr)
Other versions
EP1867394A2 (en
Inventor
David A. Czekai
Robert G. Reed
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.)
Elan Pharma International Ltd
Original Assignee
Elan Pharma International Ltd
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 Elan Pharma International Ltd filed Critical Elan Pharma International Ltd
Priority claimed from EP01930812A external-priority patent/EP1313564B1/en
Publication of EP1867394A2 publication Critical patent/EP1867394A2/en
Publication of EP1867394A3 publication Critical patent/EP1867394A3/en
Withdrawn legal-status Critical Current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
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • 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
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B02C17/163—Stirring means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Accessories For Mixers (AREA)

Abstract

Improved cleanability and contamination prevention are provided in a wet milling apparatus (1) for the production of pharmaceutical grade milled products. The advantages are provided by a milling agitator (40) that is characterized by a smooth, seamless agitating surface, without crevices or seams which might accumulate contamination and which might prevent removal of contamination during cleaning. The use of polymeric milling media reduces wear on the agitator and permits the agitator to be constructed with permanent, smooth weld joints. Seamless joints are also provided on the interior of the milling chamber (6) and sanitary, threadless fasteners are provided for the media separation screen (81) and other milling fittings.
EP07015062A 2000-04-26 2001-04-26 Apparatus for sanitary wet milling Withdrawn EP1867394A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19992300P 2000-04-26 2000-04-26
EP01930812A EP1313564B1 (en) 2000-04-26 2001-04-26 Apparatus for sanitary wet milling

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP01930812A Division EP1313564B1 (en) 2000-04-26 2001-04-26 Apparatus for sanitary wet milling

Publications (2)

Publication Number Publication Date
EP1867394A2 EP1867394A2 (en) 2007-12-19
EP1867394A3 true EP1867394A3 (en) 2008-03-05

Family

ID=38687414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07015062A Withdrawn EP1867394A3 (en) 2000-04-26 2001-04-26 Apparatus for sanitary wet milling

Country Status (1)

Country Link
EP (1) EP1867394A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012123347A2 (en) * 2011-03-11 2012-09-20 Willy A. Bachofen Ag Stirred ball mill

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853132A (en) * 1996-03-06 1998-12-29 Fuji Photo Film Co., Ltd. Dispersing machine
US5897068A (en) * 1997-10-28 1999-04-27 Draiswerke Gmbh Agitator mill
US5950943A (en) * 1996-08-14 1999-09-14 Draiswerke Gmbh Agitator mill

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853132A (en) * 1996-03-06 1998-12-29 Fuji Photo Film Co., Ltd. Dispersing machine
US5950943A (en) * 1996-08-14 1999-09-14 Draiswerke Gmbh Agitator mill
US5897068A (en) * 1997-10-28 1999-04-27 Draiswerke Gmbh Agitator mill

Also Published As

Publication number Publication date
EP1867394A2 (en) 2007-12-19

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