FR2333630B1 - - Google Patents

Info

Publication number
FR2333630B1
FR2333630B1 FR7536703A FR7536703A FR2333630B1 FR 2333630 B1 FR2333630 B1 FR 2333630B1 FR 7536703 A FR7536703 A FR 7536703A FR 7536703 A FR7536703 A FR 7536703A FR 2333630 B1 FR2333630 B1 FR 2333630B1
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
FR7536703A
Other languages
French (fr)
Other versions
FR2333630A1 (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.)
UK K INSTITU
Original Assignee
UK K INSTITU
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 UK K INSTITU filed Critical UK K INSTITU
Priority to FR7536703A priority Critical patent/FR2333630A1/fr
Publication of FR2333630A1 publication Critical patent/FR2333630A1/fr
Application granted granted Critical
Publication of FR2333630B1 publication Critical patent/FR2333630B1/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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • B29C48/152—Coating hollow articles the inner surfaces thereof
    • B29C48/153—Coating both inner and outer surfaces
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7536703A 1975-12-01 1975-12-01 Tete d'extrusion pour former des articles armes creux en matiere thermoplastique a profil ferme et d'une longueur illimitee Granted FR2333630A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7536703A FR2333630A1 (fr) 1975-12-01 1975-12-01 Tete d'extrusion pour former des articles armes creux en matiere thermoplastique a profil ferme et d'une longueur illimitee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536703A FR2333630A1 (fr) 1975-12-01 1975-12-01 Tete d'extrusion pour former des articles armes creux en matiere thermoplastique a profil ferme et d'une longueur illimitee

Publications (2)

Publication Number Publication Date
FR2333630A1 FR2333630A1 (fr) 1977-07-01
FR2333630B1 true FR2333630B1 (es) 1978-04-14

Family

ID=9163145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536703A Granted FR2333630A1 (fr) 1975-12-01 1975-12-01 Tete d'extrusion pour former des articles armes creux en matiere thermoplastique a profil ferme et d'une longueur illimitee

Country Status (1)

Country Link
FR (1) FR2333630A1 (es)

Also Published As

Publication number Publication date
FR2333630A1 (fr) 1977-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse