FR2016662A1 - - Google Patents

Info

Publication number
FR2016662A1
FR2016662A1 FR6929459A FR6929459A FR2016662A1 FR 2016662 A1 FR2016662 A1 FR 2016662A1 FR 6929459 A FR6929459 A FR 6929459A FR 6929459 A FR6929459 A FR 6929459A FR 2016662 A1 FR2016662 A1 FR 2016662A1
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.)
Withdrawn
Application number
FR6929459A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of FR2016662A1 publication Critical patent/FR2016662A1/fr
Withdrawn legal-status Critical Current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
    • B29C48/902—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 internally
    • 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
    • B29C48/03—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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR6929459A 1968-08-30 1969-08-28 Withdrawn FR2016662A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75647768A 1968-08-30 1968-08-30

Publications (1)

Publication Number Publication Date
FR2016662A1 true FR2016662A1 (fr) 1970-05-08

Family

ID=25043660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6929459A Withdrawn FR2016662A1 (fr) 1968-08-30 1969-08-28

Country Status (4)

Country Link
BE (1) BE738194A (fr)
DE (1) DE1944045A1 (fr)
FR (1) FR2016662A1 (fr)
GB (1) GB1270865A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2302190A1 (fr) * 1975-02-28 1976-09-24 Gen Electric Appareil pour la fabrication de feuilles en materiau thermoplastique
FR2530531A1 (fr) * 1982-04-29 1984-01-27 Aga Ab Procede et appareil pour refroidir interieurement des objets tubulaires au cours de leur extrusion

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013016898A1 (de) * 2013-10-13 2015-04-16 Reifenhäuser GmbH & Co. KG Maschinenfabrik Innenkühlkörper für eine Blasfolienanlage, Blasfolienanlage mit einem solchen Innenkörper sowie Verfahren zum Betreiben einer solchen Blasfolienanlage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2302190A1 (fr) * 1975-02-28 1976-09-24 Gen Electric Appareil pour la fabrication de feuilles en materiau thermoplastique
FR2530531A1 (fr) * 1982-04-29 1984-01-27 Aga Ab Procede et appareil pour refroidir interieurement des objets tubulaires au cours de leur extrusion

Also Published As

Publication number Publication date
BE738194A (fr) 1970-03-02
GB1270865A (en) 1972-04-19
DE1944045A1 (de) 1970-03-05

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Legal Events

Date Code Title Description
ST Notification of lapse