FR2461573B1 - - Google Patents

Info

Publication number
FR2461573B1
FR2461573B1 FR7919375A FR7919375A FR2461573B1 FR 2461573 B1 FR2461573 B1 FR 2461573B1 FR 7919375 A FR7919375 A FR 7919375A FR 7919375 A FR7919375 A FR 7919375A FR 2461573 B1 FR2461573 B1 FR 2461573B1
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
FR7919375A
Other languages
French (fr)
Other versions
FR2461573A1 (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.)
DIEPAL
Original Assignee
DIEPAL
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 DIEPAL filed Critical DIEPAL
Priority to FR7919375A priority Critical patent/FR2461573A1/fr
Publication of FR2461573A1 publication Critical patent/FR2461573A1/fr
Application granted granted Critical
Publication of FR2461573B1 publication Critical patent/FR2461573B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/221—Extrusion presses; Dies therefor extrusion dies
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
    • 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
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
    • 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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • 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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/71—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows for layer multiplication
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7919375A 1979-07-20 1979-07-20 Nez d'extrudeuse destine a equiper une chaine de fabrication de produits en bande par le procede cuisson-extrusion-expansion Granted FR2461573A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7919375A FR2461573A1 (fr) 1979-07-20 1979-07-20 Nez d'extrudeuse destine a equiper une chaine de fabrication de produits en bande par le procede cuisson-extrusion-expansion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7919375A FR2461573A1 (fr) 1979-07-20 1979-07-20 Nez d'extrudeuse destine a equiper une chaine de fabrication de produits en bande par le procede cuisson-extrusion-expansion

Publications (2)

Publication Number Publication Date
FR2461573A1 FR2461573A1 (fr) 1981-02-06
FR2461573B1 true FR2461573B1 (Direct) 1982-10-15

Family

ID=9228350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7919375A Granted FR2461573A1 (fr) 1979-07-20 1979-07-20 Nez d'extrudeuse destine a equiper une chaine de fabrication de produits en bande par le procede cuisson-extrusion-expansion

Country Status (1)

Country Link
FR (1) FR2461573A1 (Direct)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH667236A5 (fr) * 1986-04-08 1988-09-30 Nestle Sa Filiere d'extrusion pour faire des produits plats.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB436864A (en) * 1934-04-13 1935-10-14 St Helens Cable And Rubber Com Improvements in machines for extruding rubber and like materials
CH536184A (de) * 1971-03-17 1973-04-30 Sig Schweiz Industrieges Einstellbare Drosselvorrichtung an Doppelschneckenpresse
US3761211A (en) * 1972-01-17 1973-09-25 Crompton & Knowles Corp Multi-layer extrusion apparatus
FR2232428B1 (Direct) * 1973-06-11 1978-01-13 Beloit Corp
US4081231A (en) * 1976-12-23 1978-03-28 Mobil Oil Corporation Flow distribution valve for dual thermoplastic tube extrusion

Also Published As

Publication number Publication date
FR2461573A1 (fr) 1981-02-06

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Legal Events

Date Code Title Description
ST Notification of lapse