CH579453A5 - - Google Patents

Info

Publication number
CH579453A5
CH579453A5 CH436175A CH436175A CH579453A5 CH 579453 A5 CH579453 A5 CH 579453A5 CH 436175 A CH436175 A CH 436175A CH 436175 A CH436175 A CH 436175A CH 579453 A5 CH579453 A5 CH 579453A5
Authority
CH
Switzerland
Application number
CH436175A
Original Assignee
Krupp Gmbh
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 Krupp Gmbh filed Critical Krupp Gmbh
Publication of CH579453A5 publication Critical patent/CH579453A5/xx

Links

Classifications

    • 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
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a 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
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • 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
    • 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)
CH436175A 1974-04-08 1975-04-07 CH579453A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2417116A DE2417116C2 (en) 1974-04-08 1974-04-08 Mixing extruder

Publications (1)

Publication Number Publication Date
CH579453A5 true CH579453A5 (en) 1976-09-15

Family

ID=5912502

Family Applications (1)

Application Number Title Priority Date Filing Date
CH436175A CH579453A5 (en) 1974-04-08 1975-04-07

Country Status (4)

Country Link
CH (1) CH579453A5 (en)
DE (1) DE2417116C2 (en)
FR (1) FR2266590B1 (en)
GB (1) GB1457103A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154536A (en) * 1977-07-25 1979-05-15 Beloit Corporation High efficiency injection molding screw
FR2495051A1 (en) * 1980-11-28 1982-06-04 Pont A Mousson Injection moulding device - in which injection section is moved bodily to the mould and includes facility for avoiding breaking reinforcing fibres
FR2510472A1 (en) * 1981-07-28 1983-02-04 Ouest Cie Screw tip valve for injection moulding fibre filled materials - esp. for materials contg. fibres up to 50mm long
EP0102400B1 (en) * 1982-08-26 1987-01-14 HERMANN BERSTORFF Maschinenbau GmbH Extruder with vent zone
US7954991B2 (en) * 2007-11-09 2011-06-07 Leistritz Extrusionstechnik Gmbh Screw extruder with plunger feeder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE623903C (en) * 1934-02-09 1936-01-07 Richard Raupach Maschinenfabri Extrusion press with ventilation chamber
GB864916A (en) * 1958-01-24 1961-04-12 Phillips Petroleum Co Improvements relating to extrusion of plastic material
DE1529959A1 (en) * 1964-11-10 1969-05-22 Heidrich Peter Screw extruder for injectable masses, e.g. thermoplastics and the like.
AT309789B (en) * 1967-11-20 1973-09-10 Buss Ag Mixing and kneading device for plastic masses
DE2124466B2 (en) * 1971-05-17 1978-09-28 Fried. Krupp Gmbh, 4300 Essen Extruder for processing plastics and elastomers

Also Published As

Publication number Publication date
FR2266590B1 (en) 1978-09-01
GB1457103A (en) 1976-12-01
DE2417116A1 (en) 1975-10-16
FR2266590A1 (en) 1975-10-31
DE2417116C2 (en) 1983-11-10

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Legal Events

Date Code Title Description
PL Patent ceased