CH373625A - Method for sieving electrostatically chargeable substances, in particular plastic powders - Google Patents

Method for sieving electrostatically chargeable substances, in particular plastic powders

Info

Publication number
CH373625A
CH373625A CH7519559A CH7519559A CH373625A CH 373625 A CH373625 A CH 373625A CH 7519559 A CH7519559 A CH 7519559A CH 7519559 A CH7519559 A CH 7519559A CH 373625 A CH373625 A CH 373625A
Authority
CH
Switzerland
Prior art keywords
sieving
particular plastic
plastic powders
electrostatically chargeable
substances
Prior art date
Application number
CH7519559A
Other languages
German (de)
Inventor
Robert Dr Bach
Original Assignee
Lonza Ag
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 Lonza Ag filed Critical Lonza Ag
Priority to CH7519559A priority Critical patent/CH373625A/en
Priority to GB22293/60A priority patent/GB924046A/en
Priority to US39257A priority patent/US3161587A/en
Priority to ES0259328A priority patent/ES259328A1/en
Publication of CH373625A publication Critical patent/CH373625A/en

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
CH7519559A 1959-07-01 1959-07-01 Method for sieving electrostatically chargeable substances, in particular plastic powders CH373625A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH7519559A CH373625A (en) 1959-07-01 1959-07-01 Method for sieving electrostatically chargeable substances, in particular plastic powders
GB22293/60A GB924046A (en) 1959-07-01 1960-06-24 Improvements in or relating to the screening of substances which have a tendency to become electrostatically charged
US39257A US3161587A (en) 1959-07-01 1960-06-28 Sifting method
ES0259328A ES259328A1 (en) 1959-07-01 1960-06-30 Sifting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7519559A CH373625A (en) 1959-07-01 1959-07-01 Method for sieving electrostatically chargeable substances, in particular plastic powders

Publications (1)

Publication Number Publication Date
CH373625A true CH373625A (en) 1963-11-30

Family

ID=4533969

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7519559A CH373625A (en) 1959-07-01 1959-07-01 Method for sieving electrostatically chargeable substances, in particular plastic powders

Country Status (4)

Country Link
US (1) US3161587A (en)
CH (1) CH373625A (en)
ES (1) ES259328A1 (en)
GB (1) GB924046A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341009A (en) * 1964-09-11 1967-09-12 Phillips Petroleum Co Method and apparatus for separating fines adhering to pellets
US3620368A (en) * 1969-06-02 1971-11-16 Dart Ind Inc Classification of dry polymer beads
US4013550A (en) * 1975-07-22 1977-03-22 United States Steel Corporation Manufacture of thermoplastic resin beads
US4989464A (en) * 1989-07-25 1991-02-05 W. R. Grace & Co.-Conn. Method and apparatus for determining particle size distribution
US5352390A (en) * 1989-07-25 1994-10-04 W. R. Grace & Co.-Conn. Cementitious compositions containing shredded polystyrene aggregate
US4957010A (en) * 1989-07-25 1990-09-18 W. R. Grace & Co.-Conn. Method and apparatus for determining particle size distribution
US11559828B2 (en) 2020-02-07 2023-01-24 Chad M. Johnson Plant product extraction apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA522516A (en) * 1956-03-13 M. Burstlein Eugene Process for screening fine moist materials
DE966422C (en) * 1954-06-02 1957-08-01 Emmericher Maschinenfabrik Von Procedure for sorting seeds or fruits

Also Published As

Publication number Publication date
ES259328A1 (en) 1960-11-16
US3161587A (en) 1964-12-15
GB924046A (en) 1963-04-18

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