FR1555235A - - Google Patents

Info

Publication number
FR1555235A
FR1555235A FR1555235DA FR1555235A FR 1555235 A FR1555235 A FR 1555235A FR 1555235D A FR1555235D A FR 1555235DA FR 1555235 A FR1555235 A FR 1555235A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1555235A publication Critical patent/FR1555235A/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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
FR1555235D 1967-03-02 1968-02-28 Expired FR1555235A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62014867A 1967-03-02 1967-03-02

Publications (1)

Publication Number Publication Date
FR1555235A true FR1555235A (enrdf_load_stackoverflow) 1969-01-24

Family

ID=24484788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1555235D Expired FR1555235A (enrdf_load_stackoverflow) 1967-03-02 1968-02-28

Country Status (3)

Country Link
DE (1) DE1704668A1 (enrdf_load_stackoverflow)
FR (1) FR1555235A (enrdf_load_stackoverflow)
GB (1) GB1147418A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515103A1 (fr) * 1981-10-28 1983-04-29 Ems Ind Dispositif pour le refroidissement d'une feuille tubulaire de matiere plastique et procede s'y rapportant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6068462A (en) * 1997-12-02 2000-05-30 Brampton Engineering, Inc. Apparatus for continuously forming a blown film

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515103A1 (fr) * 1981-10-28 1983-04-29 Ems Ind Dispositif pour le refroidissement d'une feuille tubulaire de matiere plastique et procede s'y rapportant
EP0078738A1 (fr) * 1981-10-28 1983-05-11 EMS Extrusion Dispositif pour le refroidissement d'une feuille tubulaire de matière plastique et procédé s'y rapportant

Also Published As

Publication number Publication date
GB1147418A (en) 1969-04-02
DE1704668A1 (de) 1971-05-27

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Legal Events

Date Code Title Description
ST Notification of lapse