FR2322719B1 - - Google Patents

Info

Publication number
FR2322719B1
FR2322719B1 FR7626697A FR7626697A FR2322719B1 FR 2322719 B1 FR2322719 B1 FR 2322719B1 FR 7626697 A FR7626697 A FR 7626697A FR 7626697 A FR7626697 A FR 7626697A FR 2322719 B1 FR2322719 B1 FR 2322719B1
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
FR7626697A
Other languages
French (fr)
Other versions
FR2322719A1 (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.)
Union Carbide Corp
Original Assignee
Union Carbide 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
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of FR2322719A1 publication Critical patent/FR2322719A1/en
Application granted granted Critical
Publication of FR2322719B1 publication Critical patent/FR2322719B1/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • B29C48/51—Screws with internal flow passages, e.g. for molten material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
FR7626697A 1975-09-04 1976-09-03 EXTRUSION MACHINE Granted FR2322719A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61024075A 1975-09-04 1975-09-04
US71312176A 1976-08-11 1976-08-11

Publications (2)

Publication Number Publication Date
FR2322719A1 FR2322719A1 (en) 1977-04-01
FR2322719B1 true FR2322719B1 (en) 1981-05-22

Family

ID=27086218

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7626697A Granted FR2322719A1 (en) 1975-09-04 1976-09-03 EXTRUSION MACHINE

Country Status (5)

Country Link
JP (1) JPS5237974A (en)
CA (1) CA1092311A (en)
DE (1) DE2639814C2 (en)
FR (1) FR2322719A1 (en)
GB (1) GB1564410A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3100665A1 (en) * 1981-01-12 1982-08-26 Spiritini, Cuno FOAMED LOW-PRESSURE POLYETHYLENE, METHOD FOR PRODUCING THE SAME AND THE USE THEREOF
US4461734A (en) * 1982-09-13 1984-07-24 Union Carbide Corporation Process for plasticization and pumping of low bulk density plastics
JPS59158773U (en) * 1983-04-12 1984-10-24 佐藤　幸雄 Valve automatic control device
US7648357B2 (en) 2006-11-23 2010-01-19 Coperion Gmbh Extruder
DE502006003348D1 (en) * 2006-12-22 2009-05-14 Coperion Gmbh Extruder tip for highly viscous substances
CN107962754A (en) * 2017-12-15 2018-04-27 浙江中盛新材料股份有限公司 Single screw extrusion adds the equipment that inflation prepares foamable polymer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL142442B (en) * 1964-03-31 1974-06-17 Shell Int Research PROCESS FOR THE MANUFACTURE OF ARTICLES OF POLYMER FOAM.
US3287477A (en) * 1964-11-12 1966-11-22 Koppers Co Inc Process and apparatus for extruding a foamed plastic
BE754657Q (en) * 1965-11-29 1971-01-18 Kenics Corp MIXER APPLIANCE
GB1328362A (en) * 1970-10-19 1973-08-30 Ici Ltd Dispersion of materials in thermoplastics
US3711067A (en) * 1971-01-08 1973-01-16 Midland Ross Corp Extruding and mixing equipment
DE2108936C3 (en) * 1971-02-25 1979-12-13 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Method and device for manufacturing semi-finished plastic products with a foam core and non-foamed shell
US3730492A (en) * 1971-06-17 1973-05-01 Union Carbide Corp Mixing of thermoplastic materials
JPS5249504B2 (en) * 1973-01-17 1977-12-17

Also Published As

Publication number Publication date
DE2639814A1 (en) 1977-03-17
DE2639814C2 (en) 1983-08-18
FR2322719A1 (en) 1977-04-01
GB1564410A (en) 1980-04-10
CA1092311A (en) 1980-12-30
JPS5237974A (en) 1977-03-24
JPS5545020B2 (en) 1980-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse