FR2247335B1 - - Google Patents

Info

Publication number
FR2247335B1
FR2247335B1 FR7336303A FR7336303A FR2247335B1 FR 2247335 B1 FR2247335 B1 FR 2247335B1 FR 7336303 A FR7336303 A FR 7336303A FR 7336303 A FR7336303 A FR 7336303A FR 2247335 B1 FR2247335 B1 FR 2247335B1
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.)
Expired
Application number
FR7336303A
Other languages
French (fr)
Other versions
FR2247335A1 (en
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.)
Goodrich Corp
Original Assignee
Goodrich Corp
BF Goodrich Corp
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
Priority to US279697A priority Critical patent/US3867079A/en
Priority claimed from US279697A external-priority patent/US3867079A/en
Priority to GB4673773A priority patent/GB1416945A/en
Priority to BE136510A priority patent/BE805878A/xx
Priority to NLAANVRAGE7313929,A priority patent/NL182711C/xx
Application filed by Goodrich Corp, BF Goodrich Corp filed Critical Goodrich Corp
Priority to FR7336303A priority patent/FR2247335A1/fr
Priority claimed from DE19732352816 external-priority patent/DE2352816A1/de
Publication of FR2247335A1 publication Critical patent/FR2247335A1/fr
Application granted granted Critical
Publication of FR2247335B1 publication Critical patent/FR2247335B1/fr
Granted 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
    • B29C48/505—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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7336303A 1972-08-10 1973-10-11 Extruder for plastic material - with endless screw having separate parts for solid and liquid phase processing Granted FR2247335A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US279697A US3867079A (en) 1972-08-10 1972-08-10 Apparatus for extruding polymeric material
GB4673773A GB1416945A (en) 1972-08-10 1973-10-05 Apparatus for extruding polymeric material
BE136510A BE805878A (fr) 1972-08-10 1973-10-10 Appareil pour l'affinage de matieres polymeres
NLAANVRAGE7313929,A NL182711C (nl) 1972-08-10 1973-10-10 Extrusieinrichting voor het verwerken van thermoplastische kunststof.
FR7336303A FR2247335A1 (en) 1972-08-10 1973-10-11 Extruder for plastic material - with endless screw having separate parts for solid and liquid phase processing

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US279697A US3867079A (en) 1972-08-10 1972-08-10 Apparatus for extruding polymeric material
FR7336303A FR2247335A1 (en) 1972-08-10 1973-10-11 Extruder for plastic material - with endless screw having separate parts for solid and liquid phase processing
DE19732352816 DE2352816A1 (de) 1972-08-10 1973-10-20 Vorrichtung zum extrudieren

Publications (2)

Publication Number Publication Date
FR2247335A1 FR2247335A1 (en) 1975-05-09
FR2247335B1 true FR2247335B1 (US07223432-20070529-C00017.png) 1977-05-27

Family

ID=27185579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336303A Granted FR2247335A1 (en) 1972-08-10 1973-10-11 Extruder for plastic material - with endless screw having separate parts for solid and liquid phase processing

Country Status (1)

Country Link
FR (1) FR2247335A1 (US07223432-20070529-C00017.png)

Also Published As

Publication number Publication date
FR2247335A1 (en) 1975-05-09

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