FR2298423B1 - - Google Patents

Info

Publication number
FR2298423B1
FR2298423B1 FR7502309A FR7502309A FR2298423B1 FR 2298423 B1 FR2298423 B1 FR 2298423B1 FR 7502309 A FR7502309 A FR 7502309A FR 7502309 A FR7502309 A FR 7502309A FR 2298423 B1 FR2298423 B1 FR 2298423B1
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
FR7502309A
Other languages
French (fr)
Other versions
FR2298423A1 (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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil 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 claimed from US366388A external-priority patent/US3867083A/en
Priority to US05/497,784 priority Critical patent/US3959425A/en
Priority claimed from US05/497,784 external-priority patent/US3959425A/en
Priority claimed from NLAANVRAGE7500657,A external-priority patent/NL177989C/nl
Priority claimed from GB261175A external-priority patent/GB1469211A/en
Priority claimed from DE2502480A external-priority patent/DE2502480C2/de
Priority to AU77570/75A priority patent/AU487821B2/en
Priority to FR7502309A priority patent/FR2298423A1/fr
Application filed by Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of FR2298423A1 publication Critical patent/FR2298423A1/fr
Publication of FR2298423B1 publication Critical patent/FR2298423B1/fr
Application granted granted Critical
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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies 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
    • B29C48/03—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
    • B29C48/88—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7502309A 1973-06-04 1975-01-24 Appareil et procede d'extrusion de pellicule tubulaire sous la forme d'une poche Granted FR2298423A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US05/497,784 US3959425A (en) 1973-06-04 1974-08-14 Method for extruding tubular thermoplastic film
AU77570/75A AU487821B2 (en) 1973-06-04 1975-01-23 Extrusion of tubular film with configuration of film bubble
FR7502309A FR2298423A1 (fr) 1973-06-04 1975-01-24 Appareil et procede d'extrusion de pellicule tubulaire sous la forme d'une poche

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US366388A US3867083A (en) 1973-06-04 1973-06-04 Shape imposition apparatus for the extrusion of tubular thermoplastic film
US05/497,784 US3959425A (en) 1973-06-04 1974-08-14 Method for extruding tubular thermoplastic film
NLAANVRAGE7500657,A NL177989C (nl) 1973-06-04 1975-01-20 Inrichting voor het vormen van een geextrudeerde, buisvormige folie van thermoplastische kunststof.
GB261175A GB1469211A (en) 1973-06-04 1975-01-21 Apparatus for forming extruded tubular thermoplastics film
DE2502480A DE2502480C2 (de) 1973-06-04 1975-01-22 Vorrichtung zun Kühlen von Schlauchblasfolien aus thermoplastischem Kunststoff
FR7502309A FR2298423A1 (fr) 1973-06-04 1975-01-24 Appareil et procede d'extrusion de pellicule tubulaire sous la forme d'une poche

Publications (2)

Publication Number Publication Date
FR2298423A1 FR2298423A1 (fr) 1976-08-20
FR2298423B1 true FR2298423B1 (nl) 1977-11-18

Family

ID=27544239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502309A Granted FR2298423A1 (fr) 1973-06-04 1975-01-24 Appareil et procede d'extrusion de pellicule tubulaire sous la forme d'une poche

Country Status (1)

Country Link
FR (1) FR2298423A1 (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4472343A (en) * 1981-11-28 1984-09-18 Idemitsu Petrochemical Co., Ltd. Tubular film process

Also Published As

Publication number Publication date
FR2298423A1 (fr) 1976-08-20

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Legal Events

Date Code Title Description
ST Notification of lapse