IT957639B - IMPROVEMENT IN AUGER PRESSES ARRANGED IN CASCADE FOR THE PROCESSING OF POWDERULENT THERMAL PLASTIC MATERIALS - Google Patents

IMPROVEMENT IN AUGER PRESSES ARRANGED IN CASCADE FOR THE PROCESSING OF POWDERULENT THERMAL PLASTIC MATERIALS

Info

Publication number
IT957639B
IT957639B IT49717/72A IT4971772A IT957639B IT 957639 B IT957639 B IT 957639B IT 49717/72 A IT49717/72 A IT 49717/72A IT 4971772 A IT4971772 A IT 4971772A IT 957639 B IT957639 B IT 957639B
Authority
IT
Italy
Prior art keywords
powderulent
cascade
improvement
processing
plastic materials
Prior art date
Application number
IT49717/72A
Other languages
Italian (it)
Original Assignee
Barmag Barmer Maschf
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 Barmag Barmer Maschf filed Critical Barmag Barmer Maschf
Application granted granted Critical
Publication of IT957639B publication Critical patent/IT957639B/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
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
    • B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
    • B29B7/847—Removing of gaseous components before or after mixing
    • 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
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/426—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with consecutive casings or screws, e.g. for charging, discharging, mixing
    • 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
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • 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
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • 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
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • 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

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)
IT49717/72A 1971-04-27 1972-04-18 IMPROVEMENT IN AUGER PRESSES ARRANGED IN CASCADE FOR THE PROCESSING OF POWDERULENT THERMAL PLASTIC MATERIALS IT957639B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712120601 DE2120601B2 (en) 1971-04-27 1971-04-27 METHOD AND DEVICE FOR PROCESSING AND DEGASSING THERMALLY SENSITIVE POWDERED THERMOPLASTICS

Publications (1)

Publication Number Publication Date
IT957639B true IT957639B (en) 1973-10-20

Family

ID=5806097

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49717/72A IT957639B (en) 1971-04-27 1972-04-18 IMPROVEMENT IN AUGER PRESSES ARRANGED IN CASCADE FOR THE PROCESSING OF POWDERULENT THERMAL PLASTIC MATERIALS

Country Status (8)

Country Link
JP (1) JPS559290B1 (en)
AT (1) AT334609B (en)
BE (1) BE780683A (en)
CH (1) CH534043A (en)
DE (1) DE2120601B2 (en)
FR (1) FR2134549B1 (en)
GB (1) GB1375237A (en)
IT (1) IT957639B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2458776A1 (en) * 1974-12-12 1976-06-16 Kabel Metallwerke Ghh Silane crosslinked thermoplastic or elastomeric compsn. - for cable jackets, by mixing, degassing and immediately shaping
CA1138612A (en) * 1979-06-08 1983-01-04 Avinash C. Saxena Method and apparatus for drying wet polymerized materials
GB8306947D0 (en) * 1983-03-14 1983-04-20 Ici Plc Vented melter for thermoplastic polymers
US4529320A (en) * 1983-09-14 1985-07-16 Usm Corporation Rotary processors and method for devolatilizing materials
NL8400082A (en) * 1984-01-10 1985-08-01 Wavin Bv METHOD AND APPARATUS FOR INJECTION MOLDING OF PVC PRODUCTS.
US4711647A (en) * 1985-05-02 1987-12-08 Barmag Aktiengesellschaft Process and apparatus for degassing liquids, especially polymer melts and solutions
FR2621272B1 (en) * 1987-10-06 1990-03-30 Mcneil Akron Repiquet Sarl PROCESS AND MACHINE FOR MANUFACTURING A FINISHED PRODUCT BY EXTRUSION FROM AN EXTRUDABLE THERMOPLASTIC MATERIAL OF HYGROSCOPIC NATURE
DE3833777A1 (en) * 1987-10-08 1989-05-03 Barmag Barmer Maschf High-speed extrusion with the extruder/gear pump combination
NL8800904A (en) * 1988-04-08 1989-11-01 Reko Bv PROCESS FOR PROCESSING A THERMOPLASTIC POLYCONDENSATION POLYMER
IT1243378B (en) * 1990-07-27 1994-06-10 Loctite Corp PROCEDURE AND PLANT FOR THE DISPENSING PARTICULARLY OF A SEALANT / ADHESIVE PRODUCT
DE4027261C1 (en) * 1990-08-29 1991-12-12 Continental Gummi-Werke Ag
DE4437994C1 (en) * 1994-10-25 1996-07-04 Hoechst Ag Degassing system, esp. for PTFE thermal decompsn. prods.
DE10054226A1 (en) * 2000-11-02 2002-05-08 Buehler Ag Process for processing a polycondensate in a multi-screw extruder
EP3053725A1 (en) * 2015-02-06 2016-08-10 LANXESS Deutschland GmbH Plug screw
EP3564005B1 (en) * 2018-05-02 2021-01-13 Buss AG Mixing and kneading device, and its use
AT524541B1 (en) 2021-04-07 2022-07-15 Engel Austria Gmbh Device for degassing and method for degassing a plasticized mass
CN115501641A (en) * 2022-09-14 2022-12-23 上海永鸿机电设备科技有限公司 Supercritical carbon dioxide extraction system and extraction separation process for continuous feeding and discharging under high pressure

Also Published As

Publication number Publication date
FR2134549A1 (en) 1972-12-08
DE2120601A1 (en) 1972-11-23
FR2134549B1 (en) 1976-03-12
GB1375237A (en) 1974-11-27
BE780683A (en) 1972-07-03
CH534043A (en) 1973-02-28
JPS559290B1 (en) 1980-03-08
ATA224672A (en) 1976-05-15
DE2120601B2 (en) 1973-08-09
AT334609B (en) 1976-01-25

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