CA928914A - Process and apparatus for extrusion compounding - Google Patents

Process and apparatus for extrusion compounding

Info

Publication number
CA928914A
CA928914A CA072275A CA72275A CA928914A CA 928914 A CA928914 A CA 928914A CA 072275 A CA072275 A CA 072275A CA 72275 A CA72275 A CA 72275A CA 928914 A CA928914 A CA 928914A
Authority
CA
Canada
Prior art keywords
extrusion compounding
compounding
extrusion
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
CA072275A
Other versions
CA72275S (en
Inventor
E. Kasting Howard
B. Staub Roger
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of CA928914A publication Critical patent/CA928914A/en
Expired legal-status Critical Current

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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/455—Screws arranged to convey material towards each other, e.g. separate screws arranged after each other and feeding in opposite directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CA072275A 1969-03-19 1970-01-16 Process and apparatus for extrusion compounding Expired CA928914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80842869A 1969-03-19 1969-03-19

Publications (1)

Publication Number Publication Date
CA928914A true CA928914A (en) 1973-06-26

Family

ID=25198734

Family Applications (1)

Application Number Title Priority Date Filing Date
CA072275A Expired CA928914A (en) 1969-03-19 1970-01-16 Process and apparatus for extrusion compounding

Country Status (7)

Country Link
AU (1) AU1275270A (en)
BE (1) BE747602A (en)
CA (1) CA928914A (en)
CH (1) CH519383A (en)
DE (1) DE2012322A1 (en)
FR (1) FR2039736A5 (en)
NL (1) NL7003935A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632256A (en) * 1969-03-19 1972-01-04 Union Carbide Corp Extrusion-compounding apparatus

Also Published As

Publication number Publication date
DE2012322A1 (en) 1970-10-08
BE747602A (en) 1970-09-21
NL7003935A (en) 1970-09-22
FR2039736A5 (en) 1971-01-15
AU1275270A (en) 1971-09-23
CH519383A (en) 1972-02-29

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