CA918623A - Process for grinding granular materials at low temperatures - Google Patents

Process for grinding granular materials at low temperatures

Info

Publication number
CA918623A
CA918623A CA100506A CA100506A CA918623A CA 918623 A CA918623 A CA 918623A CA 100506 A CA100506 A CA 100506A CA 100506 A CA100506 A CA 100506A CA 918623 A CA918623 A CA 918623A
Authority
CA
Canada
Prior art keywords
low temperatures
granular materials
grinding granular
grinding
materials
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.)
Expired
Application number
CA100506A
Other versions
CA100506S (en
Inventor
Ledergerber Anton
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.)
Inventa AG fuer Forschung und Patentverwertung
Original Assignee
Inventa AG fuer Forschung und Patentverwertung
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 Inventa AG fuer Forschung und Patentverwertung filed Critical Inventa AG fuer Forschung und Patentverwertung
Application granted granted Critical
Publication of CA918623A publication Critical patent/CA918623A/en
Expired 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S241/00—Solid material comminution or disintegration
    • Y10S241/37—Cryogenic cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Disintegrating Or Milling (AREA)
CA100506A 1969-12-15 1970-12-14 Process for grinding granular materials at low temperatures Expired CA918623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1857669A CH503520A (en) 1969-12-15 1969-12-15 Process for grinding granular materials, in particular plastic granulates, at low temperatures

Publications (1)

Publication Number Publication Date
CA918623A true CA918623A (en) 1973-01-09

Family

ID=4433918

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100506A Expired CA918623A (en) 1969-12-15 1970-12-14 Process for grinding granular materials at low temperatures

Country Status (4)

Country Link
US (1) US3658259A (en)
CA (1) CA918623A (en)
CH (1) CH503520A (en)
FR (1) FR2073732A5 (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2048810A1 (en) * 1970-10-05 1972-04-06 Klockner Humboldt Deutz AG, 5000KoIn Grinding process for vibratory mills with closed material in and material discharge devices and system for carrying out the process
DE2057428A1 (en) * 1970-11-21 1972-06-08 Kloeckner Humboldt Deutz Ag Vibrating mills for the comminution of solid substances with the addition of refrigerants in the grinding chamber
US3771729A (en) * 1971-06-17 1973-11-13 Air Prod & Chem Cryogenic comminution system
US3897010A (en) * 1971-07-02 1975-07-29 Linde Ag Method of and apparatus for the milling of granular materials
US4112040A (en) * 1976-09-07 1978-09-05 Norman Orentreich Method of making fibers containing hair particles
US4846408A (en) * 1988-01-21 1989-07-11 Gentex Corporation Method for making a friction material
US4863106A (en) * 1988-10-13 1989-09-05 Tde, Inc. Process for low temperature comminution of scrap tires
IT1247008B (en) * 1991-04-24 1994-12-12 Pro Co Gen Progettazioni E Cos PROCEDURE AND PLANT FOR CRYO-DESTRUCTION OF URBAN SOLID WASTE
US5704104A (en) * 1995-12-27 1998-01-06 Bacon; Forrest C. Method and machine for recycling discarded carpets
BE1011835A3 (en) * 1997-12-23 2000-02-01 Polymer Processing Res Inst Vermaaltoreninrichting.
US6203405B1 (en) 1998-06-30 2001-03-20 Idaho Powder Products, Llc Method for using recycled aluminum oxide ceramics in industrial applications
US6360547B1 (en) 2000-01-07 2002-03-26 Crumbrubber Technology Co., Inc. Method and apparatus for cooling air to cryogenic temperatures for recycling processes
US7776314B2 (en) 2002-06-17 2010-08-17 Grunenthal Gmbh Abuse-proofed dosage system
DE10361596A1 (en) 2003-12-24 2005-09-29 Grünenthal GmbH Process for producing an anti-abuse dosage form
DE102005005446A1 (en) 2005-02-04 2006-08-10 Grünenthal GmbH Break-resistant dosage forms with sustained release
DE102004032049A1 (en) 2004-07-01 2006-01-19 Grünenthal GmbH Anti-abuse, oral dosage form
DE102005005449A1 (en) 2005-02-04 2006-08-10 Grünenthal GmbH Process for producing an anti-abuse dosage form
BR112012001244A2 (en) 2009-07-22 2020-12-08 Gruünenthal Gmbh Tamper Resistant DOSAGE FORM, ITS PRODUCTION PROCESS, AND PACKAGING CONTAINING SUCH FORM
RU2604676C2 (en) 2010-09-02 2016-12-10 Грюненталь Гмбх Destruction-resistant dosage form containing an inorganic salt
DE102011014643A1 (en) * 2011-03-21 2012-09-27 Roland Nied Operating procedure for a jet mill plant and jet mill plant
BR112014002022A2 (en) 2011-07-29 2017-02-21 Gruenenthal Gmbh tamper-resistant tablet providing immediate drug release
PT2736497T (en) 2011-07-29 2017-11-30 Gruenenthal Gmbh Tamper-resistant tablet providing immediate drug release
ES2692944T3 (en) 2012-04-18 2018-12-05 Grünenthal GmbH Pharmaceutical dosage form resistant to handling and resistant to rapid discharge of the dose
US10624862B2 (en) 2013-07-12 2020-04-21 Grünenthal GmbH Tamper-resistant dosage form containing ethylene-vinyl acetate polymer
CN105934241B (en) * 2013-11-26 2020-06-05 格吕伦塔尔有限公司 Preparation of powdered pharmaceutical composition by cryogenic grinding
US9180463B1 (en) * 2014-08-29 2015-11-10 Joseph R. Fitzgerald Method for fractionation of dry material using accelerators
EP3135380B1 (en) * 2015-08-27 2017-10-11 Josef Fischer Cryogenic grinding device and method
US10842750B2 (en) 2015-09-10 2020-11-24 Grünenthal GmbH Protecting oral overdose with abuse deterrent immediate release formulations
NL2034086B1 (en) 2023-02-03 2024-08-23 Atlantis Rubber Powders B V A method for the modification of bitumen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2400382A (en) * 1943-07-29 1946-05-14 Gerald D Arnold Closed hammer mill circuits
US2770543A (en) * 1950-11-24 1956-11-13 Gerald D Arnold Recirculating convection current cooler and method
US2879005A (en) * 1954-12-29 1959-03-24 Melvin Sobel Method of refining scrap plastic and apparatus therefor

Also Published As

Publication number Publication date
CH503520A (en) 1971-02-28
FR2073732A5 (en) 1971-10-01
US3658259A (en) 1972-04-25
DE2061184A1 (en) 1971-07-15

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