FR2081657B1 - - Google Patents

Info

Publication number
FR2081657B1
FR2081657B1 FR7107090A FR7107090A FR2081657B1 FR 2081657 B1 FR2081657 B1 FR 2081657B1 FR 7107090 A FR7107090 A FR 7107090A FR 7107090 A FR7107090 A FR 7107090A FR 2081657 B1 FR2081657 B1 FR 2081657B1
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
FR7107090A
Other languages
French (fr)
Other versions
FR2081657A1 (OSRAM
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of FR2081657A1 publication Critical patent/FR2081657A1/fr
Application granted granted Critical
Publication of FR2081657B1 publication Critical patent/FR2081657B1/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
    • B29C48/695—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
    • B29C48/03—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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/30—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)
FR7107090A 1970-03-03 1971-03-02 Expired FR2081657B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2009914A DE2009914C3 (de) 1970-03-03 1970-03-03 Folienblaskopf zur Herstellung von Kunststoff-Schlauchfolien

Publications (2)

Publication Number Publication Date
FR2081657A1 FR2081657A1 (OSRAM) 1971-12-10
FR2081657B1 true FR2081657B1 (OSRAM) 1973-10-19

Family

ID=5763922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7107090A Expired FR2081657B1 (OSRAM) 1970-03-03 1971-03-02

Country Status (6)

Country Link
US (1) US3689192A (OSRAM)
JP (1) JPS5241301B1 (OSRAM)
CH (1) CH509871A (OSRAM)
DE (1) DE2009914C3 (OSRAM)
FR (1) FR2081657B1 (OSRAM)
GB (1) GB1330768A (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306834C2 (de) * 1973-02-12 1982-07-08 Windmöller & Hölscher, 4540 Lengerich Folienblaskopf für die Herstellung von Schlauchfolien
DE2320687A1 (de) * 1973-04-24 1974-11-14 Windmoeller & Hoelscher Folienblaskopf fuer die herstellung von schlauchfolien
DE2445545A1 (de) * 1974-09-24 1976-04-01 Windmoeller & Hoelscher Folienblaskopf fuer die herstellung von schlauchfolien
US3932102A (en) * 1974-11-01 1976-01-13 Koehring Company Spiral design pipehead
DE2752932A1 (de) * 1977-11-26 1979-05-31 Reifenhaeuser Kg Ringspaltwerkzeug zum strangpressen von thermoplastischem kunststoff
US4201532A (en) * 1978-08-02 1980-05-06 Cole Robert J Extrusion dies of spiral mandrel type
US4305703A (en) * 1980-09-12 1981-12-15 Lupke Manfred Arno Alfred Composite die assembly for use in the production of thermoplastic tubing
DE3436881A1 (de) * 1984-10-08 1986-04-10 Windmöller & Hölscher, 4540 Lengerich Kuehlvorrichtung fuer aus einem folienblaskopf extrudierte kunststoffschlauchfolien
WO1996033856A1 (en) * 1995-04-24 1996-10-31 Black Clawson Sano Inc. Extrusion die

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026565A (en) * 1961-01-04 1962-03-27 Franklin Res And Dev Corp Extruder head for hollow products
FR1248751A (fr) * 1964-03-18 1966-01-10 Appareil vibrant pour la préfabrication de dalles tubulaires, rainurées ou pleines
US3343215A (en) * 1965-04-23 1967-09-26 Barmag Barmer Maschf Deflecting extruder head
US3549735A (en) * 1968-03-25 1970-12-22 Owens Illinois Inc Extrusion apparatus and method

Also Published As

Publication number Publication date
FR2081657A1 (OSRAM) 1971-12-10
CH509871A (de) 1971-07-15
DE2009914A1 (de) 1971-09-23
DE2009914C3 (de) 1974-03-07
US3689192A (en) 1972-09-05
GB1330768A (en) 1973-09-19
DE2009914B2 (de) 1973-05-30
JPS5241301B1 (OSRAM) 1977-10-18

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Legal Events

Date Code Title Description
ST Notification of lapse