FR2201969A1 - - Google Patents

Info

Publication number
FR2201969A1
FR2201969A1 FR7328797A FR7328797A FR2201969A1 FR 2201969 A1 FR2201969 A1 FR 2201969A1 FR 7328797 A FR7328797 A FR 7328797A FR 7328797 A FR7328797 A FR 7328797A FR 2201969 A1 FR2201969 A1 FR 2201969A1
Authority
FR
France
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.)
Granted
Application number
FR7328797A
Other languages
French (fr)
Other versions
FR2201969B1 (xx
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.)
Maillefer SA
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
Publication of FR2201969A1 publication Critical patent/FR2201969A1/fr
Application granted granted Critical
Publication of FR2201969B1 publication Critical patent/FR2201969B1/fr
Expired legal-status Critical Current

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)
FR7328797A 1972-10-09 1973-08-07 Expired FR2201969B1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1471272A CH558714A (fr) 1972-10-09 1972-10-09 Vis pour extrudeuse de thermoplastes ou d'elastomeres.

Publications (2)

Publication Number Publication Date
FR2201969A1 true FR2201969A1 (xx) 1974-05-03
FR2201969B1 FR2201969B1 (xx) 1976-06-18

Family

ID=4403213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7328797A Expired FR2201969B1 (xx) 1972-10-09 1973-08-07

Country Status (4)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586965A1 (fr) * 1985-09-09 1987-03-13 Sterling Extruder Corp Vis et procede d'extrusion de matieres plastiques
EP0364060A2 (en) * 1988-10-11 1990-04-18 Spirex Corporation Methods of injection molding and extruding wet hygroscopic ionomers
FR2693400A1 (fr) * 1992-07-10 1994-01-14 Scamia Ensemble de plastification et de filtration en continu pour des matières telles que des polymères à l'état pâteux, visqueux ou fondu, produits visco élastiques, produits protéoléagineux.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3744553A1 (de) * 1987-12-30 1989-07-13 Toshiba Machine Co Ltd Schnecke zur verwendung bei einer spritzgiessmaschine des entlueftungstyps
US5088914A (en) * 1990-05-11 1992-02-18 Romano Brambilla Double flighted extrusion screw
AT405262B (de) * 1997-09-03 1999-06-25 Weingartner Maschbau Gmbh Mehrschneckenextruder, insbesondere doppelschneckenextruder
CN107244055B (zh) * 2017-07-21 2023-08-29 四川业峰塑业有限公司 一种螺旋降噪管的生产系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1549665A (xx) * 1966-12-08 1968-12-13
FR2091254A5 (xx) * 1970-05-05 1972-01-14 Feed Screws Inc

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1549665A (xx) * 1966-12-08 1968-12-13
FR2091254A5 (xx) * 1970-05-05 1972-01-14 Feed Screws Inc

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586965A1 (fr) * 1985-09-09 1987-03-13 Sterling Extruder Corp Vis et procede d'extrusion de matieres plastiques
EP0364060A2 (en) * 1988-10-11 1990-04-18 Spirex Corporation Methods of injection molding and extruding wet hygroscopic ionomers
EP0364060A3 (en) * 1988-10-11 1991-01-30 Spirex Corporation Methods of injection molding and extruding wet hygroscopic ionomers
FR2693400A1 (fr) * 1992-07-10 1994-01-14 Scamia Ensemble de plastification et de filtration en continu pour des matières telles que des polymères à l'état pâteux, visqueux ou fondu, produits visco élastiques, produits protéoléagineux.
BE1007235A5 (fr) * 1992-07-10 1995-05-02 Scamia Ensemble de plastification et de filtration en continu pour des matieres telles que des polymeres a l'etat pateux, visqueux ou fondu, produits visco elastiques, produits proteoleagineux.

Also Published As

Publication number Publication date
GB1450087A (en) 1976-09-22
DE2350674A1 (de) 1974-04-18
FR2201969B1 (xx) 1976-06-18
CH558714A (fr) 1975-02-14

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Legal Events

Date Code Title Description
ST Notification of lapse