FR1337310A - Improvement in screw extrusion machines for the extrusion of thermoplastics - Google Patents

Improvement in screw extrusion machines for the extrusion of thermoplastics

Info

Publication number
FR1337310A
FR1337310A FR902803A FR902803A FR1337310A FR 1337310 A FR1337310 A FR 1337310A FR 902803 A FR902803 A FR 902803A FR 902803 A FR902803 A FR 902803A FR 1337310 A FR1337310 A FR 1337310A
Authority
FR
France
Prior art keywords
extrusion
thermoplastics
improvement
machines
screw
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
FR902803A
Other languages
French (fr)
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.)
Compagnie des Ateliers et Forges de la Loire SA
Original Assignee
Compagnie des Ateliers et Forges de la Loire 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 Compagnie des Ateliers et Forges de la Loire SA filed Critical Compagnie des Ateliers et Forges de la Loire SA
Priority to FR902803A priority Critical patent/FR1337310A/en
Priority to DE19631529828 priority patent/DE1529828B2/en
Application granted granted Critical
Publication of FR1337310A publication Critical patent/FR1337310A/en
Priority to OA51846A priority patent/OA01643A/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
    • 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
    • B29C48/36—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
    • B29C48/25—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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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)
FR902803A 1962-07-03 1962-07-03 Improvement in screw extrusion machines for the extrusion of thermoplastics Expired FR1337310A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR902803A FR1337310A (en) 1962-07-03 1962-07-03 Improvement in screw extrusion machines for the extrusion of thermoplastics
DE19631529828 DE1529828B2 (en) 1962-07-03 1963-06-26 SCREW EXTRUSION PRESS FOR THERMOPLASTIC FABRICS
OA51846A OA01643A (en) 1962-07-03 1964-12-31 Improvement in screw extrusion machines for the extrusion of thermoplastic materials.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR902803A FR1337310A (en) 1962-07-03 1962-07-03 Improvement in screw extrusion machines for the extrusion of thermoplastics

Publications (1)

Publication Number Publication Date
FR1337310A true FR1337310A (en) 1963-09-13

Family

ID=8782385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR902803A Expired FR1337310A (en) 1962-07-03 1962-07-03 Improvement in screw extrusion machines for the extrusion of thermoplastics

Country Status (3)

Country Link
DE (1) DE1529828B2 (en)
FR (1) FR1337310A (en)
OA (1) OA01643A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0934151A1 (en) * 1996-09-24 1999-08-11 The Dow Chemical Company Multiple-screw extruder
US6062719A (en) * 1996-09-24 2000-05-16 The Dow Chemical Company High efficiency extruder

Also Published As

Publication number Publication date
OA01643A (en) 1969-09-20
DE1529828B2 (en) 1973-02-15
DE1529828A1 (en) 1970-01-02

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