FR1371890A - Perfectionnements aux appareillages d'extrusion par soufflage de matières plastiques pour l'obtention de produits tubulaires - Google Patents

Perfectionnements aux appareillages d'extrusion par soufflage de matières plastiques pour l'obtention de produits tubulaires

Info

Publication number
FR1371890A
FR1371890A FR942476A FR942476A FR1371890A FR 1371890 A FR1371890 A FR 1371890A FR 942476 A FR942476 A FR 942476A FR 942476 A FR942476 A FR 942476A FR 1371890 A FR1371890 A FR 1371890A
Authority
FR
France
Prior art keywords
extrusion equipment
tubular products
plastic blow
molding extrusion
obtain tubular
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
FR942476A
Other languages
English (en)
Inventor
Mario Batosti
Antonio Belloni
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.)
I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA
Original Assignee
I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA
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 I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA filed Critical I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA
Application granted granted Critical
Publication of FR1371890A publication Critical patent/FR1371890A/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
    • B29C48/96—Safety devices
    • B29C48/965—Personnel safety, e.g. safety for the operator
    • 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
    • B29C48/36—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
    • B29C48/768—Venting, drying means; Degassing means outside the apparatus, e.g. after the die
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR942476A 1962-07-26 1963-07-24 Perfectionnements aux appareillages d'extrusion par soufflage de matières plastiques pour l'obtention de produits tubulaires Expired FR1371890A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1507462 1962-07-26
US297876A US3274317A (en) 1962-07-26 1963-07-26 Method and apparatus for extrusion of plastic material

Publications (1)

Publication Number Publication Date
FR1371890A true FR1371890A (fr) 1964-09-11

Family

ID=26326763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942476A Expired FR1371890A (fr) 1962-07-26 1963-07-24 Perfectionnements aux appareillages d'extrusion par soufflage de matières plastiques pour l'obtention de produits tubulaires

Country Status (3)

Country Link
US (1) US3274317A (fr)
CH (1) CH415033A (fr)
FR (1) FR1371890A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504039A1 (de) * 1965-03-01 1969-09-25 Barmag Barmer Maschf Vorrichtung zum Flachlegen und Kuehlen eines nahtlosen thermoplastischen Folienschlauches vor dessen Eintritt in den Abquetschwalzenspalt einer Extrusionsanlage
US3852386A (en) * 1970-12-21 1974-12-03 Dow Chemical Co Manufacture of film having formed fastener means therein
US3835209A (en) * 1971-11-09 1974-09-10 Owens Illinois Inc Process of extruding a foamed extrudate and controlling the thickness thereof
WO2007066514A1 (fr) * 2005-12-09 2007-06-14 Konica Minolta Opto, Inc. Pellicule de retard, procede de production d'une pellicule de retard, plaque de polarisation et dispositif d'affichage a cristaux liquides
ITUD20150050A1 (it) * 2015-04-16 2016-10-16 Chitussi Paolo Procedimento per la produzione di prodotti plastici e prodotti plastici cosi' realizzati
EP3095586B1 (fr) * 2015-05-22 2018-10-24 DingZing Advanced Materials Incorporated Procédé et dispositif pour l'impression d'un film

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221370A (en) * 1963-02-06 1965-12-07 Nat Distillers Chem Corp Apparatus for extruding thermoplastic film
US3194864A (en) * 1961-12-11 1965-07-13 Owens Illinois Glass Co Method for producing cellular thermoplastic tubing without corrugations

Also Published As

Publication number Publication date
US3274317A (en) 1966-09-20
CH415033A (de) 1966-06-15

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