CH558714A - SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS. - Google Patents

SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS.

Info

Publication number
CH558714A
CH558714A CH1471272A CH1471272A CH558714A CH 558714 A CH558714 A CH 558714A CH 1471272 A CH1471272 A CH 1471272A CH 1471272 A CH1471272 A CH 1471272A CH 558714 A CH558714 A CH 558714A
Authority
CH
Switzerland
Prior art keywords
thermoplastes
extruders
elastomer
screws
elastomer extruders
Prior art date
Application number
CH1471272A
Other languages
French (fr)
Original Assignee
Maillefer Sa
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 Maillefer Sa filed Critical Maillefer Sa
Priority to CH1471272A priority Critical patent/CH558714A/en
Priority to FR7328797A priority patent/FR2201969B1/fr
Priority to GB4653673A priority patent/GB1450087A/en
Priority to DE19732350674 priority patent/DE2350674A1/en
Publication of CH558714A publication Critical patent/CH558714A/en

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
    • 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
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH1471272A 1972-10-09 1972-10-09 SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS. CH558714A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH1471272A CH558714A (en) 1972-10-09 1972-10-09 SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS.
FR7328797A FR2201969B1 (en) 1972-10-09 1973-08-07
GB4653673A GB1450087A (en) 1972-10-09 1973-10-05 Extruder screw
DE19732350674 DE2350674A1 (en) 1972-10-09 1973-10-09 EXTRUDING SCREW FOR THERMOPLASTICS OR ELASTOMERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1471272A CH558714A (en) 1972-10-09 1972-10-09 SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS.

Publications (1)

Publication Number Publication Date
CH558714A true CH558714A (en) 1975-02-14

Family

ID=4403213

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1471272A CH558714A (en) 1972-10-09 1972-10-09 SCREWS FOR THERMOPLASTES OR ELASTOMER EXTRUDERS.

Country Status (4)

Country Link
CH (1) CH558714A (en)
DE (1) DE2350674A1 (en)
FR (1) FR2201969B1 (en)
GB (1) GB1450087A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733970A (en) * 1985-09-09 1988-03-29 Sterling Extruder Corporation Extruder screw
DE3744553A1 (en) * 1987-12-30 1989-07-13 Toshiba Machine Co Ltd SNAIL FOR USE IN AN INJECTION MOLDING MACHINE OF THE VENTILATION TYPE
US4944906A (en) * 1988-10-11 1990-07-31 Spirex Corporation Methods of injection molding and extruding wet hygroscopic ionomers
US5088914A (en) * 1990-05-11 1992-02-18 Romano Brambilla Double flighted extrusion screw
FR2693400B1 (en) * 1992-07-10 1994-09-02 Scamia Laminating and continuous filtration assembly for materials such as polymers in a pasty, viscous or molten state, visco-elastic products, proteinaceous products.
AT405262B (en) * 1997-09-03 1999-06-25 Weingartner Maschbau Gmbh MULTI-SCREW EXTRUDERS, ESPECIALLY DOUBLE-SCREW EXTRUDERS
CN107244055B (en) * 2017-07-21 2023-08-29 四川业峰塑业有限公司 Production system of spiral noise reduction pipe
CN114643691B (en) * 2022-03-21 2025-06-06 舟山市嘉鼎塑料机械有限公司 Water-filled screw barrel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445890A (en) * 1966-12-08 1969-05-27 Nrm Corp Two-stage extruder
US3650652A (en) * 1970-05-05 1972-03-21 Feed Screws Inc Apparatus for extruding plastic material

Also Published As

Publication number Publication date
DE2350674A1 (en) 1974-04-18
FR2201969B1 (en) 1976-06-18
FR2201969A1 (en) 1974-05-03
GB1450087A (en) 1976-09-22

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Legal Events

Date Code Title Description
PL Patent ceased