FR2369077A1 - Perfectionnement aux installations pour la production de gaines souples en matiere synthetique - Google Patents

Perfectionnement aux installations pour la production de gaines souples en matiere synthetique

Info

Publication number
FR2369077A1
FR2369077A1 FR7633199A FR7633199A FR2369077A1 FR 2369077 A1 FR2369077 A1 FR 2369077A1 FR 7633199 A FR7633199 A FR 7633199A FR 7633199 A FR7633199 A FR 7633199A FR 2369077 A1 FR2369077 A1 FR 2369077A1
Authority
FR
France
Prior art keywords
film
bar
during extrusion
rapid
leading
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.)
Granted
Application number
FR7633199A
Other languages
English (en)
French (fr)
Other versions
FR2369077B1 (enExample
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7633199A priority Critical patent/FR2369077A1/fr
Publication of FR2369077A1 publication Critical patent/FR2369077A1/fr
Application granted granted Critical
Publication of FR2369077B1 publication Critical patent/FR2369077B1/fr
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
    • B29C48/03—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
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
FR7633199A 1976-10-28 1976-10-28 Perfectionnement aux installations pour la production de gaines souples en matiere synthetique Granted FR2369077A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7633199A FR2369077A1 (fr) 1976-10-28 1976-10-28 Perfectionnement aux installations pour la production de gaines souples en matiere synthetique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7633199A FR2369077A1 (fr) 1976-10-28 1976-10-28 Perfectionnement aux installations pour la production de gaines souples en matiere synthetique

Publications (2)

Publication Number Publication Date
FR2369077A1 true FR2369077A1 (fr) 1978-05-26
FR2369077B1 FR2369077B1 (enExample) 1979-02-23

Family

ID=9179510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633199A Granted FR2369077A1 (fr) 1976-10-28 1976-10-28 Perfectionnement aux installations pour la production de gaines souples en matiere synthetique

Country Status (1)

Country Link
FR (1) FR2369077A1 (enExample)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2369077B1 (enExample) 1979-02-23

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Legal Events

Date Code Title Description
ST Notification of lapse